Background

Next 15 Group is a business growth consultancy and advertising company.¹“Home,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/BlfwW^,2“Next 15,” LinkedIn. Archived July 18, 2025. Archived .pdf available at DeSmog. Next 15 Group has serviced at least 11 clients with fossil fuel interests,³See fossil fuel clients table including RWE,⁴“Client stories,” Mach49, Accessed August 15, 2025. Archived August 15, 2025. Archived .pdf available at DeSmog. Shell,⁵“Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37 British Gas,⁶“Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt SGN,⁷“Utilities & infrastructure,” Transform, Accessed August 8, 2025. Archived August 8, 2025. Archived .pdf available at DeSmog. and the International Council on Mining and Metals.⁸“Register for 1st June 2024 – 30th September 2024,” PRCA, 2024. Archived September 26, 2025. Archived .pdf available at DeSmog Next 15 Group has also worked with major meat and dairy industry players such as the Global Roundtable for Sustainable Beef⁹,“National Roundtables Minutes January 18, 2023,” Global Roundtable for Sustainable Beef. Archived August 8, 2024. Archive URL: http://archive.today/wYc4O, Lactalis,¹⁰“SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi Danone,¹¹“SMG,” Next 15, Accessed September 30, 2025. Archived September 30, 2025. Archive URL: https://archive.ph/DqAUi and Arla Retail.¹²“SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi It has also worked for clients in other polluting sectors, for example, aviation¹³“WIZZ AIR HOLDINGS PLC ANNUAL REPORT AND ACCOUNTS F25,” Wizz Air, 2025. Archived October 9, 2025. Archived .pdf available at DeSmog. and agrochemicals.¹⁴“Our brands,” Next 15. Archived July 21, 2025. Archive URL: http://archive.today/X38OH

Next 15 Group has also worked for the renewables sector¹⁵“Ceres Power Holdings plc: Interim results for the six months ended 30 June 2025,” Design Portfolio, September 26, 2025. Archived October 9, 2025. Archived .pdf available at DeSmog. and environmental¹⁶“They can’t arrest this billboard,” Ads of the World, Accessed August 4, 2025. Archived July 18, 2025. Archive URL: https://archive.ph/oOILF and animal rights organisations.¹⁷“PETA’s Festive Campaign Asks You to End Christmas’s Most Sinister Tradition,” Little Black Book, November 13, 2023. Archived July 28, 2025. Archive URL: https://archive.ph/k1SSd

Although headquartered in the UK, Next 15 Group has a presence in 16 countries.¹⁸“Home,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/BlfwW It has at least 27 subsidiary companies,¹⁹See related organisations section below although it specifies on its website that it is not a holding company, but rather a “decentralised network.” Next 15 Group’s four key areas of focus are consumer insight (helping companies to understand their customers), customer engagement (assisting the companies to engage with their customers), customer delivery (improving the way companies interact with their customers), and business transformation (for example, helping companies with their overall strategy).²⁰“How We’re Different,” Next 15. Archived June 29, 2025. Archive URL: http://archive.today/1hIkh

Next 15 Group also refers to itself as the “Next Network.” It was founded in 1995 as Text 100, changing its name to OneMonday Group in 2000, and then to Next Fifteen Communications Group plc in 2002. It became Next 15 Group in 2023.²¹“Our History,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/yswoN  

In June 2025, Next 15 Group announced the discovery of potential serious misconduct at one of its subsidiaries, Mach49—an agency that specializes, among other areas, in the energy sector.²²“Mach49,” Next 15. Archived May 24, 2025. Archive URL: http://archive.today/Q0iQv Next 15 did not disclose the details of these concerns, but terminated the contracts of three senior managers at Mach49, and the CEO of Next 15 retired.²³“UK’s Next 15 warns on profit, shares dive 21%,” Reuters, June 26, 2025. Archived July 20, 2025. Archived .pdf available at DeSmog. In August 2025, Next 15 Group announced that it would be permanently closing Mach49.²⁴“Next 15 to permanently close Mach49 subsidiary,” London South East, August 28, 2025. Archived October 9, 2025. Archive URL: https://archive.ph/Cb7xU

Stance on Climate Change

Next 15 Group says that its goal is to “Make sure we leave the world a better place than we found it,”²⁵“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH and that “For Next 15, sustainability is a cornerstone of our business strategy. We recognise its vital role in achieving lasting success and creating a positive impact on society and the environment.”²⁶“How We’re Different,” Next 15. Archived June 29, 2025. Archive URL: http://archive.today/1hIkh

Next 15 has committed to reaching net-zero emissions by 2050. It also set a target to reduce emissions by 42% by 2030, relative to a 2020 baseline. However, in 2025, Next 15 estimated its Scope 1, 2, and 3 emissions at 55,740.7 tCO₂e—more than double its 2020 baseline of 26,410.9 tCO₂e.”²⁷Next 15 Carbon Reduction Plan,” Next 15, May 22, 2025. Archived June 21, 2025. Archive URL: http://archive.today/cHppV

Next 15 had planned to submit its emissions reduction targets to the Science Based Targets initiative (SBTi)—a corporate climate action organization that provides standards, tools, and guidance to help companies set greenhouse gas (GHG) emissions reduction targets to reach net-zero by 2050—at the start of its 2025 financial year. However, the company missed its self-imposed deadline, citing “significant changes” that prevented it from establishing a suitable emissions baseline. Next 15 says that “our commitment to being science-aligned in our approach remains firm.” At the time of writing, to DeSmog’s knowledge, they have not set a revised target date for submission to SBTi.²⁸“Next 15 Carbon Reduction Plan,” Next 15, May 22, 2025. Archived June 21, 2025. Archive URL: http://archive.today/cHppV

Next 15 has not declared its advertised emissions—the additional emissions resulting from increased sales of polluting products as a result of advertising.

Climate governance at Next 15 encompasses an ESG (Environmental, Social, and Governance) committee²⁹“Corporate Governance,” Next 15. Archived July 7, 2025. Archived .pdf available at DeSmog. and an internal sustainability group, known as “Green 15.” Green 15’s “primary goal is to continually build awareness and create as much opportunity to engage everyone in our initiatives across the Group and positively influence in support of a greener, more sustainable way of living.”³⁰“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH

Next 15 says that “our intention is to work with clients who have sustainable business models and are committed to the low-carbon transition,”³¹“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH and that “we’re not afraid to turn away profitable work that has a negative impact.”³²“Our Strategy,” Next 15. Archived July 7, 2025. Archive URL: http://archive.today/Lx56W Next 15 has acknowledged that working with clients in the oil and gas industry poses both a reputational and financial risk, however it has not eschewed working with clients in the fossil fuel sector, saying instead that “we do not work with clients in the fossil fuel extraction sector unless it is to help them materially change the course of their business to have a more positive impact.”³³“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH

A Next 15 Group subsidiary, Elvis, has signed the Clean Creatives pledge to decline future contracts with the fossil fuel industry.”³⁴Clean Creatives Pledge Signers – Agencies,” Clean Creatives. Archived July 9, 2025. Archive URL: http://archive.today/aEVe1  In 2025, Elvis signed a petition calling for a ban on fossil fuel advertising in the UK.³⁵“Should agencies sign up for a fossil fuel ban?,” More About Advertising, July 2025. Archived July 10, 2025. Archive URL: http://archive.today/s4zqX Both Elvis and another Next 15 subsidiary, Archetype, have B Corp status,³⁶“ESG Strategic Priorities roadmap,” Next 15. Archived April 19, 2025. Archive URL: http://archive.today/5b4vx a certification that recognises businesses that meet high standards of social and environmental performance.

Next 15 has promoted the ESG credentials of its subsidiaries using paid ads on LinkedIn, for example, sharing its tree planting initiatives at its company SMG.³⁷“Positive impact at SMG,” LinkedIn Ad Library, Accessed October 10, 2025. Archived October 13, 2025. Archived .pdf on file at DeSmog.^,38“Positive impact at Archetype UK,” LinkedIn Ad Library, Accessed October 10, 2025. Archived October 14, 2025. Archived .pdf on file at DeSmog.

Funding

For the year ending 31 January 2025, the Next 15 Group made £569.7m in net revenue.⁴⁰“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog.

In June 2025, Next 15 Group announced that it had uncovered potential serious misconduct at one of its subsidiaries, which led to Next 15 warning that its 2026 profit would likely be below market expectations.⁴¹“UK’s Next 15 warns on profit, shares dive 21%,” Reuters, June 26, 2025. Archived July 20, 2025. Archived .pdf available at DeSmog.

Since 2004, the Alternative Investment Market (AIM) has listed Next 15 Group.⁴²“History,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/yswoN AIM is a sub-market of the London Stock Exchange for smaller companies.

Of Next 15 Group’s shareholders,⁴³“Shareholder information,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/6YOfp Aviva Investors and Aberdeen hold significant fossil fuel assets.⁴⁴“Ensuring Climate Crisis: The Insurance Industry and Fossil Fuel Giants,” Boycott Bloody Insurance. Archived July 21, 2025. Archived .pdf available at DeSmog.^,45“Aberdeen’s statement on principal adverse impacts (PAIs) of investment decisions on sustainability factors,” Aberdeen plc, June 30, 2025. Archived .pdf available at DeSmog.

In its 2024 and 2025 annual reports, Next 15 Group reported on how climate change affects its financial position and operations (Climate-related Financial Disclosures).⁴⁶“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH In 2024, Next 15 Group said that one of its main climate-related risks was “Exposure to sectors/clients with higher exposure to climate-related risks” and acknowledges that “There is a risk that if we work with sectors with the highest levels of transition risk, such as oil and gas, we lose revenue as they struggle to adapt to different climate scenarios. This could also negatively impact our reputation.”⁴⁷“Next 15 Group plc Annual Report 2024,” Next 15. Archived .pdf available at DeSmog. In 2025, Next 15 said that “we expect that the market opportunity from a transition to a circular economy will have a net positive impact on our business. This is driven by our strategic intent to contribute to accelerating positive impacts (such as circularity, inclusion, wellbeing and job creation) and/or reduce negative impacts (such as overconsumption, climate change and biodiversity loss) through client work.”⁴⁸“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH

Key People

Source: Next 15 website.⁵⁰“The Board,” Next 15, Accessed July 22, 2025. Archived July 22, 2025. Archive URL: https://archive.ph/RzCCi 

Fossil Fuel and Utilities Clients

Other Energy Industry Clients

Next 15 Group also works with the conglomerates Toshiba, Honeywell and Hitachi.¹¹⁴“Publitek,” Next 15 Group, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/XlCqI^,115“Mach49: Igniting Venture-Driven Growth for Global Enterprises,” Next 15 Group, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/98wai These conglomerates all have a part of their business that is focussed on energy and work with the fossil fuel sector.¹¹⁶“Reliable and economical thermal power generation technologies,” Toshiba, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/th6iz^,117“Industry Solutions,” Honeywell, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/T2dno^,118“Oil and Gas Energy Solutions,” Hitachi Energy, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/PiHRF However, it is unknown to DeSmog if Next 15’s work for these companies relates to the energy aspect of their businesses.

Meat and Dairy Industry Clients

Agrochemicals Clients

Other Food Industry Clients

Other Clients of Interest

Actions

2024

Archetype, a subsidiary of the Next 15 Group, developed a campaign for BayWa r.e., a renewable energy company owned by BayWa AG—a conglomerate with interests in energy, fossil fuels, and agriculture.¹⁹⁰“Shaking up the climate conversation with BayWa r.e.,” Archetype, November 8, 2024. Archived June 20, 2025. Archive URL: http://archive.today/xHQgX^,191“BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn

The campaign targeted business leaders, as well as government officials and the broader society. Archetype utilized social listening, a process that identifies and analyzes what is being said about a topic on social media platforms, to collate online mentions of the COP conferences between 2017 and 2021 and produce a report.¹⁹²“BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn In the campaign, Archetype “compared online mentions of COP26 with those of the first series of Netflix sensation Squid Game, drawing parallels between the dystopian landscape in the show and the one on our horizon.”¹⁹³“Shaking up the climate conversation with BayWa r.e.,” Archetype, November 8, 2024. Archived June 20, 2025. Archive URL: http://archive.today/xHQgX

Archetype also produced a thought leadership platform, which it promoted through media outreach, social media, and an “emotive” campaign video about the climate crisis. Archetype states that this campaign enabled BayWa r.e. to break into the business and mainstream media.¹⁹⁴“BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn

2024

In 2024, Next 15 Group subsidiary Savanta worked for the Institute for European Environmental Policy to conduct research used in the development of the European Green Deal Barometer, a report that assesses the progress of the European Green Deal‘s policy.¹⁹⁵“Institute for European Environmental Policy – European Green Deal Barometer,” Next 15. Archived June 21, 2025. Archive URL: http://archive.today/NTk51

2023

In its 2023 annual report, Next 15 Group disclosed that it had worked for the UK government to develop a Net Zero System Tool (‘NZST’). The tool is designed to help decision-makers understand the relative impacts of different policy options and to enable the government to systematically assess how various choices might affect progress toward net zero. One area of analysis included the potential impact of policies aimed at reducing meat consumption.¹⁹⁶“Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.

2022

Outcast, a Next 15 Group subsidiary, promoted Bloomberg Philanthropies’ Countdown to COP27 campaign using organic and paid social media content, Google search ads, and community management. Next 15 said that it also involved engaging with “US Special Presidential Envoy for Climate, John Kerry, Goldman Sachs, UN Secretary-General António Guterres, French diplomats, and more.”¹⁹⁷“Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.

2022

In March 2022, Next 15 Group acquired Engine Group UK. Engine Group UK was the parent company of MHP,¹⁹⁸Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025.  an agency working for the Global Roundtable for Sustainable Beef (GRSB).¹⁹⁹“Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC The GRSB is a membership organization that represents stakeholders across the entire beef supply chain. Its stated mission is “to advance, support, and communicate continuous improvement in sustainability of the global beef value chain,” with a vision for “a world where beef is a trusted part of a thriving food system.”²⁰⁰“Who We Are,” Global Roundtable for Sustainable Beef. Archived June 25, 2025. Archive URL: http://archive.today/ml5wR  

MHP had worked for GRSB since 2020.²⁰¹Arvind Hickman. “MHP chosen as global agency of record for sustainable beef initiative,” PR Week, July 29, 2020. Archived July 23, 2025. Archived .pdf available at DeSmog. Its work, described in detail in a DeSmog investigation, had included creating a strategy aiming to promote GRSB as “power[ing] progress in sustainable beef” and to assure people that there was “growing momentum in the beef industry to protect and nurture the earth’s natural resources.”²⁰²“MHP + GRSB: Audience Engagement Framework,” Global Roundtable for Sustainable Beef. Archived June 12, 2024. Archive URL: http://archive.today/if2NF 

GRSB extended its contract with MHP in February 2022,²⁰³“Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC  shortly before MHP was acquired by Next 15.²⁰⁴Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025.  Under the renewed agreement, MHP was to be paid £6,000 per month for its ongoing work.²⁰⁵“Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC  As part of MHP’s remit under the renewed agreement, GRSB requested that MHP map major industry events in 2022 to “help GRSB identify and increase potential speaking opportunities and member attendance.”²⁰⁶“Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC

MHP supported the GRSB in its preparations for its Global Conference and COP27,²⁰⁷“Global Roundtable for Sustainable Beef Annual Report 2022,” Global Roundtable for Sustainable Beef. Archived July 23, 2025. Archived .pdf available at DeSmog. launching a communications campaign in September in advance of the conferences.²⁰⁸“Minutes Global Roundtable for Sustainable Beef Board of Directors June 22, 2022,” Global Roundtable for Sustainable Beef. Archived June 14, 2024. Archive URL: http://archive.today/DczqP

2021

Next 15 Group subsidiary Savanta conducted research for the WWF as part of their Eat4Change initiative. This research involved Savanta surveying adults across the EU on their attitudes towards food, with the results informing WWF’s work with national retailers, politicians, and EU decision-makers involved in communicating EU action on deforestation, both within the European Commission and Member States.²⁰⁹“WWF – Eat4Change,” Next 15. Archived March 24, 2025. Archive URL: http://archive.today/kHhhK

2016

Next 15 produced an app for Public Health England called “One You,” which aimed to help those aged 40-60 build healthier habits. This app included components relating to diet.²¹⁰“Public Health England – One You,” Next 15. Archived May 24, 2025. Archive URL: http://archive.today/pV0gs 

Related Organizations

In India, Next 15 Group also has a registration under the name Next15 Worldwide Services Private Limited. In the U.S., Next 15 Group also has a registration under the name Next Fifteen Communications Corporation.²⁹⁴“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH

In South Africa, the UK, and Australia, Next 15 retains subsidiaries under its previous trading name, Text 100.²⁹⁵“Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH

Next 15 Group lists its shareholders, which include Aviva Investors and Aberdeen, on its website.²⁹⁶“Shareholder information,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/6YOfp

Contact & Address

Next 15 Group plc

60 Great Portland Street

London

W1W 7RT

Tel: +44 (0)20 3128 8000

Social Media

• LinkedIn: Next 15

CORRECTION (08/08/2025):This profile was corrected to make it clear that MHP was acquired by Next 15 Group in March 2022 and that MHP’s work for the Global Roundtable for Sustainable Beef prior to March 2022 was therefore not the Responsibility of Next 15 Group.

Resources

• 1
  “Home,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/BlfwW
• 2
  “Next 15,” LinkedIn. Archived July 18, 2025. Archived .pdf available at DeSmog.
• 3
  See fossil fuel clients table
• 4
  “Client stories,” Mach49, Accessed August 15, 2025. Archived August 15, 2025. Archived .pdf available at DeSmog.
• 5
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 6
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 7
  “Utilities & infrastructure,” Transform, Accessed August 8, 2025. Archived August 8, 2025. Archived .pdf available at DeSmog.
• 8
  “Register for 1st June 2024 – 30th September 2024,” PRCA, 2024. Archived September 26, 2025. Archived .pdf available at DeSmog
• 9
  ,“National Roundtables Minutes January 18, 2023,” Global Roundtable for Sustainable Beef. Archived August 8, 2024. Archive URL: http://archive.today/wYc4O
• 10
  “SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi
• 11
  “SMG,” Next 15, Accessed September 30, 2025. Archived September 30, 2025. Archive URL: https://archive.ph/DqAUi
• 12
  “SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi
• 13
  “WIZZ AIR HOLDINGS PLC ANNUAL REPORT AND ACCOUNTS F25,” Wizz Air, 2025. Archived October 9, 2025. Archived .pdf available at DeSmog.
• 14
  “Our brands,” Next 15. Archived July 21, 2025. Archive URL: http://archive.today/X38OH
• 15
  “Ceres Power Holdings plc: Interim results for the six months ended 30 June 2025,” Design Portfolio, September 26, 2025. Archived October 9, 2025. Archived .pdf available at DeSmog.
• 16
  “They can’t arrest this billboard,” Ads of the World, Accessed August 4, 2025. Archived July 18, 2025. Archive URL: https://archive.ph/oOILF
• 17
  “PETA’s Festive Campaign Asks You to End Christmas’s Most Sinister Tradition,” Little Black Book, November 13, 2023. Archived July 28, 2025. Archive URL: https://archive.ph/k1SSd
• 18
  “Home,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/BlfwW
• 19
  See related organisations section below
• 20
  “How We’re Different,” Next 15. Archived June 29, 2025. Archive URL: http://archive.today/1hIkh
• 21
  “Our History,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/yswoN
• 22
  “Mach49,” Next 15. Archived May 24, 2025. Archive URL: http://archive.today/Q0iQv
• 23
  “UK’s Next 15 warns on profit, shares dive 21%,” Reuters, June 26, 2025. Archived July 20, 2025. Archived .pdf available at DeSmog.
• 24
  “Next 15 to permanently close Mach49 subsidiary,” London South East, August 28, 2025. Archived October 9, 2025. Archive URL: https://archive.ph/Cb7xU
• 25
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 26
  “How We’re Different,” Next 15. Archived June 29, 2025. Archive URL: http://archive.today/1hIkh
• 27
  Next 15 Carbon Reduction Plan,” Next 15, May 22, 2025. Archived June 21, 2025. Archive URL: http://archive.today/cHppV
• 28
  “Next 15 Carbon Reduction Plan,” Next 15, May 22, 2025. Archived June 21, 2025. Archive URL: http://archive.today/cHppV
• 29
  “Corporate Governance,” Next 15. Archived July 7, 2025. Archived .pdf available at DeSmog.
• 30
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 31
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 32
  “Our Strategy,” Next 15. Archived July 7, 2025. Archive URL: http://archive.today/Lx56W
• 33
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 34
  Clean Creatives Pledge Signers – Agencies,” Clean Creatives. Archived July 9, 2025. Archive URL: http://archive.today/aEVe1
• 35
  “Should agencies sign up for a fossil fuel ban?,” More About Advertising, July 2025. Archived July 10, 2025. Archive URL: http://archive.today/s4zqX
• 36
  “ESG Strategic Priorities roadmap,” Next 15. Archived April 19, 2025. Archive URL: http://archive.today/5b4vx
• 37
  “Positive impact at SMG,” LinkedIn Ad Library, Accessed October 10, 2025. Archived October 13, 2025. Archived .pdf on file at DeSmog.
• 38
  “Positive impact at Archetype UK,” LinkedIn Ad Library, Accessed October 10, 2025. Archived October 14, 2025. Archived .pdf on file at DeSmog.
• 39
  “Positive impact at SMG,” LinkedIn Ad Library, Accessed October 10, 2025. Archived October 13, 2025. Archived .pdf on file at DeSmog.
• 40
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog.
• 41
  “UK’s Next 15 warns on profit, shares dive 21%,” Reuters, June 26, 2025. Archived July 20, 2025. Archived .pdf available at DeSmog.
• 42
  “History,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/yswoN
• 43
  “Shareholder information,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/6YOfp
• 44
  “Ensuring Climate Crisis: The Insurance Industry and Fossil Fuel Giants,” Boycott Bloody Insurance. Archived July 21, 2025. Archived .pdf available at DeSmog.
• 45
  “Aberdeen’s statement on principal adverse impacts (PAIs) of investment decisions on sustainability factors,” Aberdeen plc, June 30, 2025. Archived .pdf available at DeSmog.
• 46
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 47
  “Next 15 Group plc Annual Report 2024,” Next 15. Archived .pdf available at DeSmog.
• 48
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 49
  John Harrington. “Next 15 names new CEO as Dyson retires; Issues profit warning,” Next 15, Accessed July 22, 2025. Archived July 22, 2025. Archived .pdf available at DeSmog.
• 50
  “The Board,” Next 15, Accessed July 22, 2025. Archived July 22, 2025. Archive URL: https://archive.ph/RzCCi 
• 51
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 52
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 53
  “House 337,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/ILAbY
• 54
  “MHP Communications current client list (January to March 2025),” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 55
  “Client stories,” Mach49, Accessed August 15, 2025. Archived August 15, 2025. Archived .pdf on file at DeSmog.
• 56
  “Utilities & infrastructure,” Transform, Accessed August 8, 2025. Archived August 8, 2025. Archived .pdf on file at DeSmog.
• 57
  “Client stories,” Mach49, Accessed August 15, 2025. Archived August 15, 2025. Archived .pdf on file at DeSmog.
• 58
  “Energy and Cleantech,” MHP Group, Accessed October 12, 2025. Archived October 12, 2025 /. Archive URL: https://archive.ph/mwCM2
• 59
  “Utilities & infrastructure,” Transform, Accessed August 8, 2025. Archived August 8, 2025. Archived .pdf on file at DeSmog.
• 60
  “Driving the clean energy transition,” SSE, 2025. Archived September 22, 2025. Archived .pdf on file at DeSmog.
• 61
  “Utilities & infrastructure,” Transform, Accessed August 8, 2025. Archived July 9, 2025. Archived .pdf available at DeSmog.
• 62
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 63
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 64
  “House 337,” Next 15 [archive version], May 25, 2024. Archived May 25, 2024. Archive URL: https://archive.ph/qA78c
• 65
  “MHP Communications current client list,” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 66
  “Register for 1st June 2024 – 30th September 2024,” PRCA, 2024. Archived September 26, 2025. Archived .pdf on file at DeSmog
• 67
  “Powering sustainable growth,” SSE, 2024. Archived September 22, 2025. Archived .pdf on file at DeSmog.
• 68
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 69
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 70
  “Register for 1st September 2024 – 30th December 2024,” PRCA, 2024. Archived September 26, 2025. Archived .pdf on file at DeSmog
• 71
  “E.ON UK Makes Rallying Cry to Fight the Climate Crisis in Sustainable Advert by House 337,” Little Black Book, June 19, 2023. Archived July 28, 2025. Archive URL: https://archive.ph/phvwf
• 72
  “MHP Communications current client list,” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 73
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 74
  “Register for 1st September 2024 – 30th December 2024,” PRCA, 2024. Archived September 26, 2025. Archived .pdf on file at DeSmog.
• 75
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 76
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 77
  “RIGHT ACTION. RIGHT NOW.,” SSE, 2025. Archived September 22, 2025. Archived .pdf on file at DeSmog.
• 78
  “SSE ISSUES NEW SUSTAINABILITY FRAMEWORK,” SSE, August 23, 2023. Archived September 26, 2025. Archive URL: https://archive.ph/yLxFX
• 79
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 80
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 81
  “Next 15 agrees to acquire Engine Group,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/Vjpvp
• 82
  “MHP Communications current client list,” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 83
  “POWERING CHANGE TOGETHER,” SSE, 2025. Archived September 26, 2025. Archived .pdf on file at DeSmog.
• 84
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 85
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 86
  Maija Palmer. “Our technologies,” Sifted, September 14, 2021. Archived September 14, 2021. Archived .pdf on file at DeSmog.
• 87
  Maija Palmer. “Our technologies,” Sifted, September 14, 2021. Archived September 14, 2021. Archived .pdf on file at DeSmog.
• 88
  “NEXT 15 Preliminary Results April 2021,” Next 15 Group, Accessed September 19, 2025. Archived September 19, 2025. Archived .pdf on file at DeSmog
• 89
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt^,“History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 90
  “Mark Simoncelli Joins Mach49 to Lead Business Development,” PR Newswire, September 21, 2020. Archived August 15, 2025. Archive URL: https://archive.ph/mbb2R
• 91
  “Savanta — British Gas,” Next 15, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/4xlWt
• 92
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo
• 93
  “AI-led Energy Management: German Energy Giant RWE’s Journey Incubating Pear.ai,” Mach49, Accessed September 19, 2025. Archived September 19, 2025. Archived .pdf on file at DeSmog.
• 94
  “Pear.ai General Information,” PitchBook, Accessed September 19, 2025. Archived September 19, 2025. Archived .pdf on file at DeSmog.
• 95
  “Energy and Cleantech,” MHP Group, Accessed October 12, 2025. Archived October 12, 2025. Archive URL: https://archive.ph/mwCM2
• 96
  “Ceres Power Holdings plc: Interim results for the six months ended 30 June 2025,” Design Portfolio, September 26, 2025. Archived October 9, 2025. Archived .pdf on file at DeSmog.
• 97
  “Client Stories,” Mach49, Accessed October 12, 2025. Archived October 12, 2025. Archived .pdf on file at DeSmog.
• 98
  “Rehlko Unveils a New Product Brand Identity That Signals a New Era of Energy Resilience,” rehlko, March, 2025. Archived November 24, 2025. Archive URL: https://archive.ph/2RHCp
• 99
  “Client stories,” Mach49, Accessed August 15, 2025. Archived August 15, 2025. Archived .pdf on file at DeSmog.
• 100
  “Energy and Cleantech,” MHP Group, Accessed October 12, 2025. Archived October 12, 2025. Archive URL: https://archive.ph/mwCM2
• 101
  “Ceres Power Holdings plc: Final results for the year ended 31 December 2024,” Ceres Power Holdings, March 21, 2025. Archived October 9, 2025. Archived .pdf on file at DeSmog.
• 102
  “Energy and Cleantech,” MHP Group, Accessed October 12, 2025. Archived October 12, 2025. Archive URL: https://archive.ph/mwCM2
• 103
  “Communications Phase 2,” Contracts Finder, November 1, 2023. Archived October 10, 2025. Archive URL: https://archive.ph/5VvKi
• 104
  “Kohler Energy Publishes a Market-First Environmental Declaration for a Mission-Critical Generating Set,” Kohler Energy, June, 2024. Archived August 4, 2025. Archive URL: https://archive.ph/IjcsT
• 105
  “Case studies,” Next 15, May 25, 2024. Archived May 25, 2024. Archived .pdf on file at DeSmog.
• 106
  “Communications Phase 2,” Contracts Finder, November 1, 2023. Archived October 10, 2025. Archive URL: https://archive.ph/5VvKi
• 107
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 108
  “Kohler Energy Accelerates Clean Energy Vision & Expands Offering with New Hydrogen Solutions,” Kohler Energy, November, 2023. Archived August 4, 2025. Archive URL: https://archive.ph/tpdeP
• 109
  “Mach49 Expands EMEA Presence and Leadership,” PR Newswire, April 4, 2023. Archived August 15, 2025. Archive URL: https://archive.ph/TLM37
• 110
  “Case studies,” Next 15, May 25, 2024. Archived May 25, 2024. Archived .pdf on file at DeSmog.
• 111
  “The Path to Net-Zero Buildings,” Schneider Electric, May 24, 2024. Archived May 24, 2024. Archived .pdf on file at DeSmog.
• 112
  “ACX and Sylvera partner to broaden access to high-quality carbon credit investment and trading,” ACX, December 6, 2023. Archived October 12, 2025. Archived .pdf on file at DeSmog.
• 113
  “Mark Simoncelli Joins Mach49 to Lead Business Development,” PR Newswire, September 21, 2020. Archived August 15, 2025. Archive URL: https://archive.ph/mbb2R
• 114
  “Publitek,” Next 15 Group, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/XlCqI
• 115
  “Mach49: Igniting Venture-Driven Growth for Global Enterprises,” Next 15 Group, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/98wai
• 116
  “Reliable and economical thermal power generation technologies,” Toshiba, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/th6iz
• 117
  “Industry Solutions,” Honeywell, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/T2dno
• 118
  “Oil and Gas Energy Solutions,” Hitachi Energy, Accessed October 13, 2025. Archived October 13, 2025. Archive URL: https://archive.ph/PiHRF
• 119
  “M Booth,” O’Dwyer’s, Accessed October 3, 2025. Archived October 3, 2025. Archive URL: https://archive.ph/oZpka
• 120
  “SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi
• 121
  “SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi
• 122
  “SMG,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/DqAUi
• 123
  “MHP Communications current client list (April to June 2025),” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archive URL: https://archive.ph/Oq4uG
• 124
  “2024 Creative PR Agencies of the Year,” PRovoke Media, 2024. Archived October 3, 2025. Archive URL: https://archive.ph/YS6zJ
• 125
  “SMG,” Next 15 [archive version], Accessed July 21, 2025. Archived May 25, 2024. Archived .pdf on file at DeSmog.
• 126
  “SMG,” Next 15, December 4, 2024. Archived December 4, 2024. Archived .pdf on file at DeSmog.
• 127
  “SMG,” Next 15 [archive version], Accessed July 21, 2025. Archived May 25, 2024. Archived .pdf on file at DeSmog.
• 128
  “Müller: Preparing for change under a Labour Government,” MHP Group, September 20, 2024. Archived September 20, 2024. Archived .pdf on file at DeSmog.
• 129
  “Global Roundtable for Sustainable Beef National Roundtable Minutes January 18, 2023,” Global Roundtable for Sustainable Beef, January 18, 2023. Archived July 21, 2025. Archived .pdf on file at DeSmog.
• 130
  “Thanks to all who joined us for yesterday’s Webinar,” LinkedIn post from SMG, 2023. Archived July 21, 2025. Archive URL: https://archive.ph/etFu5
• 131
  “Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archived .pdf on file at DeSmog.
• 132
  “Minutes Global Roundtable for Sustainable Beef Board of Directors June 22, 2022,” Global Roundtable for Sustainable Beef. Archived June 14, 2024. Archived .pdf on file at DeSmog.
• 133
  Emma Kilmurray. “Shopper marketing business acquired in multi million pound deal,” Bdaily, April 26, 2021. Archived September 30, 2025. Archive URL: https://archive.ph/FvQp7
• 134
  “#GENSInnovTalks: Beyond Innovation: How Corporations can Build and Launch Successful Startup,” GenerationS, September 22, 2020. Archived September 29, 2025. Archive URL: https://archive.ph/T9KVx
• 135
  “Our brands,” Next 15. Accessed July 21, 2025. Archived July 21, 2025. Archive URL: http://archive.today/X38OH
• 136
  Scarlett Sherriff. “‘Mixed’ results for Next 15, as advertising, PR and media segment dips 1%,” Marketing Beat, September 18, 2024. Archived September 18, 2024. Archive URL: https://archive.ph/qJvr7
• 137
  “Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.
• 138
  “Crisis & Risk,” MHP Group, 2023. Archived October 6, 2025. Archived .pdf on file at DeSmog.
• 139
  “Next Fifteen Communications Group plc Results for the year ended 31 January 2022,” Next 15, April 5, 2022. Archived December 3, 2024. Archived .pdf on file at DeSmog.
• 140
  “Internship,” MHP Mischief, 2022. Archived October 6, 2025. Archived .pdf on file at DeSmog.
• 141
  “Benchmark Holdings plc – Last day of trading,” EURONEXT, August 15, 2025. Archived October 3, 2025. Archive URL: https://archive.ph/35E3Q
• 142
  “Elvis,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/qBz9L
• 143
  “Elvis,” Next 15, Accessed July 21, 2025. Archived July 21, 2025. Archive URL: https://archive.ph/qBz9L
• 144
  Ryan Tallent-Moore. “FIVE THINGS WE LOVE: AUGUST 2025,” Keane, August 31, 2025. Archived October 9, 2025. Archive URL: https://archive.ph/XRvJ1
• 145
  “M Booth,” O’Dwyer’s, Accessed October 3, 2025. Archived October 3, 2025. Archive URL: https://archive.ph/oZpka
• 146
  “The Time To Do Great Things Is Now,” MACH49. Archived August 29, 2025. Archived .pdf on file at DeSmog.
• 147
  “Second Quarter and Half Year results for the six months ended 31 March 2024,” Benchmark Holdings, April 4, 2023. Archived October 3, 2025. Archived .pdf on file at DeSmog.
• 148
  “All shook up: Elvis in charge after Birds Eye agency rejig,” Decision Marketing, February 15, 2024. Archived July 28, 2025. Archive URL: https://archive.ph/9j6H8
• 149
  “Elvis,” Next 15 [archive version], Accessed July 21, 2025. Archived May 25, 2024. Archived .pdf on file at DeSmog.
• 150
  “M Booth,” O’Dwyer’s, March 29, 2024. Archived March 29, 2024. Archived .pdf on file at DeSmog.
• 151
  “MHP Communications current client list,” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 152
  “Second Quarter and Interim results for the six months ended 31 March 2023,” Benchmark Holdings, November 6, 2023. Archived October 3, 2025. Archived .pdf on file at DeSmog.
• 153
  “All shook up: Elvis in charge after Birds Eye agency rejig,” Decision Marketing, February 15, 2024. Archived July 28, 2025. Archive URL: https://archive.ph/9j6H8
• 154
  “Mondelez – Cadbury FC x Grenfell Athletic,” Next 15 Group, Accessed October 12, 2025. Archived October 12, 2025. Archive URL: https://archive.ph/tpRWE
• 155
  Amy Houston. “Cadbury unites 14 football clubs to build a pitch for Grenfell Athletic FC,” The Drum, June 26, 2023. Archived .pdf on file at DeSmog.
• 156
  “M Booth,” O’Dwyer’s, September 29, 2023. Archived September 29, 2023. Archived .pdf on file at DeSmog.
• 157
  “MHP Communications current client list,” Office of the Registrar of Consultant Lobbyists, 2025. Archived August 11, 2025. Archived .pdf on file at DeSmog.
• 158
  “Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 1, 2025. Archived .pdf on file at DeSmog.
• 159
  “Second Quarter and Interim results for the six months ended 31 March 2022,” Benchmark Holdings, May 18, 2022. Archived Archived October 3. Archived .pdf on file at DeSmog.
• 160
  “All shook up: Elvis in charge after Birds Eye agency rejig,” Decision Marketing, February 15, 2024. Archived July 28, 2025. Archive URL: https://archive.ph/9j6H8
• 161
  “Register for 1st September 2022 – 30th November 2022,” PRCA, 2022. Archived September 26, 2025. Archived .pdf on file at DeSmog.
• 162
  “Stuff Veganuary and do what you can-uary,” Ads of the World, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/yt5uJ
• 163
  “All shook up: Elvis in charge after Birds Eye agency rejig,” Decision Marketing, February 15, 2024. Archived July 28, 2025. Archive URL: https://archive.ph/9j6H8
• 164
  “Green Square advises Shopper Media Group on its acquisition by Next 15,” Green Square, April 10, 2021. Archived August 1, 2025. Archive URL: https://archive.ph/yOHLb
• 165
  “All shook up: Elvis in charge after Birds Eye agency rejig,” Decision Marketing, February 15, 2024. Archived July 28, 2025. Archive URL: https://archive.ph/9j6H8
• 166
  “The other half,” Ads of the World, Accessed August 4, 2025. Archived August 4, 2025. Archived .pdf on file at DeSmog.
• 167
  “All shook up: Elvis nets Birds Eye social media overhaul,” Decision Marketing, August 20, 2019. Archived July 28, 2025. Archive URL: https://archive.ph/gwGOl
• 168
  “Match & Win,” Ads of the World, Accessed August 4, 2025. Archived August 4, 2025. Archived .pdf on file at DeSmog.
• 169
  “We Dareylea You,” Ads of the World, Accessed August 4, 2025. Archived August 4, 2025. Archived .pdf on file at DeSmog.
• 170
  “ACQUISITION OF ELVIS COMMUNICATIONS LIMITED,” Next 15, September 15, 2017. Archived July 28, 2025. Archive URL: https://archive.ph/iRcXT
• 171
  “Next Fifteen Communications Group plc – Trading update,” Next 15, January 24, 2017. Archived August 1, 2025. Archive URL: https://archive.ph/jrKb2
• 172
  “The Holmes Report 2017,” PRovoke Media, 2017. Archived June 15, 2024. Archived .pdf on file at DeSmog.
• 173
  “Next Fifteen Communications Group plc – Trading update,” Next 15, January 24, 2017. Archived August 1, 2025. Archive URL: https://archive.ph/jrKb2
• 174
  “Next Fifteen Communications Group acquires Story Worldwide,” Fusion Corporate Partners, November 4, 2014. Archived August 1, 2025. Archive URL: https://archive.ph/akKG3
• 175
  Post R., Haven J., Maniscalco S. “Happy Birthday, MyPlate!,” Journal of the Academy of Nutrition and Dietetics, May 23, 2012. Archived October 9, 2025. Archived .pdf on file at DeSmog.
• 176
  “WIZZ AIR HOLDINGS PLC ANNUAL REPORT AND ACCOUNTS F25,” Wizz Air, 2025. Archived October 9, 2025. Archived .pdf on file at DeSmog.
• 177
  “They can’t arrest this billboard,” Ads of the World, Accessed August 4, 2025. Archived July 18, 2025. Archive URL: https://archive.ph/oOILF
• 178
  “PR Marketing Services Call-Off Contract (CR_3012) Letter of Appointment,” Contracts Finder, September 12, 2023. Archived October 10, 2025. Archived .pdf on file at DeSmog.
• 179
  “Institute for European Environmental Policy – European Green Deal Barometer,” Next 15. Archived August 9, 2024. Archive URL: http://archive.today/NTk51
• 180
  “PR Marketing Services Call-Off Contract (CR_3012) Letter of Appointment,” Contracts Finder, September 12, 2023. Archived October 10, 2025. Archived .pdf on file at DeSmog.
• 181
  “Stop it before it starts,” Ads of the World, Accessed August 4, 2025. Archived August 4, 2025. Archived .pdf on file at DeSmog.
• 182
  “PETA’s Festive Campaign Asks You to End Christmas’s Most Sinister Tradition,” Little Black Book, November 13, 2023. Archived July 28, 2025. Archive URL: https://archive.ph/k1SSd
• 183
  “Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.
• 184
  “Today is World Water Day, which feels like the perfect time to talk about the important work that WaterAid does every day to accelerate change to solve the water and sanitation crisis,” LinkedIn post by user elvis, 2023. Archived August 4, 2024. Archive URL: https://archive.ph/8prJG
• 185
  “Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.
• 186
  “WWF – Eat4Change,” Next 15, Accessed November 24, 2025. Archived July 14, 2025. Archive URL: http://archive.today/kHhhK
• 187
  “Purpose Disruptors, Iris and ELVIS Take On 21st Century Advertising’s Most Significant Challenge,” Little Black Book, October 8, 2020. Archived August 4, 2025. Archive URL: https://archive.ph/AMOUW
• 188
  “Trucking hell,” Ads of the World, Accessed August 4, 2025. Archived August 4, 2025. Archived .pdf on file at DeSmog.
• 189
  “The Holmes Report 2017,” PRovoke Media, 2017. Archived June 15, 2024. Archived .pdf on file at DeSmog.
• 190
  “Shaking up the climate conversation with BayWa r.e.,” Archetype, November 8, 2024. Archived June 20, 2025. Archive URL: http://archive.today/xHQgX
• 191
  “BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn
• 192
  “BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn
• 193
  “Shaking up the climate conversation with BayWa r.e.,” Archetype, November 8, 2024. Archived June 20, 2025. Archive URL: http://archive.today/xHQgX
• 194
  “BayWa r.e. Analyzing 10 Years of Online Conversation to Understand Consumer Perception of Climate Change,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/vyZjn
• 195
  “Institute for European Environmental Policy – European Green Deal Barometer,” Next 15. Archived June 21, 2025. Archive URL: http://archive.today/NTk51
• 196
  “Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.
• 197
  “Growing Together: Next 15 Group plc Annual Report 2023,” Next 15, 2023. Archived August 17, 2025. Archived .pdf on file at DeSmog.
• 198
  Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025. 
• 199
  “Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC
• 200
  “Who We Are,” Global Roundtable for Sustainable Beef. Archived June 25, 2025. Archive URL: http://archive.today/ml5wR  
• 201
  Arvind Hickman. “MHP chosen as global agency of record for sustainable beef initiative,” PR Week, July 29, 2020. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 202
  “MHP + GRSB: Audience Engagement Framework,” Global Roundtable for Sustainable Beef. Archived June 12, 2024. Archive URL: http://archive.today/if2NF 
• 203
  “Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC 
• 204
  Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025. 
• 205
  “Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC 
• 206
  “Minutes Global Roundtable for Sustainable Beef Executive Committee Meeting February 8, 2022,” Global Roundtable for Sustainable Beef, February 8, 2022. Archived August 7, 2024. Archive URL: http://archive.today/slrxC
• 207
  “Global Roundtable for Sustainable Beef Annual Report 2022,” Global Roundtable for Sustainable Beef. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 208
  “Minutes Global Roundtable for Sustainable Beef Board of Directors June 22, 2022,” Global Roundtable for Sustainable Beef. Archived June 14, 2024. Archive URL: http://archive.today/DczqP
• 209
  “WWF – Eat4Change,” Next 15. Archived March 24, 2025. Archive URL: http://archive.today/kHhhK
• 210
  “Public Health England – One You,” Next 15. Archived May 24, 2025. Archive URL: http://archive.today/pV0gs 
• 211
  “Our brands,” Next 15. Archived July 21, 2025. Archive URL: http://archive.today/X38OH
• 212
  About: History,” Next 15. Archived July 6, 2025. Archive URL: http://archive.today/yswoN 
• 213
  “Our brands,” Next 15. Archived July 21, 2025. Archive URL: http://archive.today/X38OH
• 214
  “Our brands,” Next 15. Archived July 21, 2025. Archive URL: http://archive.today/X38OH
• 215
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog.
• 216
  “Next Fifteen acquires Green Leads Holdings and Telemarketing Services Limited,” News Releases. Archived July 21, 2025. Archive URL: http://archive.today/r55Ev
• 217
  “Agent3 Group,” Next 15. Archived February 17, 2025. Archive URL: http://archive.today/PtwXI
• 218
  “Lewis Silkin has advised Next 15 Communications Group’s subsidiary, Agent3, on the acquisition of 100% of the shares of Berne (UK), trading as OneNineFive,” Lewis Silkin. Archived July 21, 2025. Archive URL: http://archive.today/wcSW3
• 219
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 220
  “Next Fifteen acquires Green Leads Holdings and Telemarketing Services Limited,” NewsnReleases. Archived July 21, 2025. Archive URL: http://archive.today/r55Ev
• 221
  “Cheltenham marketing business sells to AIM-listed comms company,” The Business Magazine, February 15, 2020. Archived July 21, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/NeGu8
• 222
  “Next Fifteen Communications Group plc Acquisition Of The Craft Consulting Limited,” Global Legal Chronicle, April 8, 2020. Archived July 24, 2025. Archive URL: http://archive.today/ErPZK 
• 223
  “Archetype,” Next 15. Archived April 19, 2025. Archive URL: http://archive.today/40Lxp 
• 224
  “Next Fifteen merges Text100, Bite under Helena Maus,” PRWeek, September 20, 2018. Archived March 29, 2024. Archived .pdf available at DeSmog.
• 225
  “Marker: Next 15 New Tech Collective Agency,” Next 15: News, August 7, 2024. Archived July 6, 2025. Archive URL: http://archive.today/U2MdH
• 226
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 227
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 228
  “Acquisition of Controlling Interest in BCA,” Business Wire, May 4, 2021. Archived .pdf available at DeSmog.
• 229
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 230
  “BYND LTD,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/r959G
• 231
  “Beyond,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/GTP61
• 232
  “Brandwidth Group Limited,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/0x93t
• 233
  “MIGHTY SOCIAL MERGES WITH CUBAKA,” Next 15, February 1, 2023. Archived May 25, 2024. Archived .pdf available at DeSmog.
• 234
  “Lewis Silkin has advised Brandwidth Marketing Limited on the acquisition of Williams Commerce Holdings Limited and Cloudfy,” Lewis Silkin, November 17, 2023. Archived July 23, 2025. Archive URL: https://archive.ph/WlKxB
• 235
  “BRANDWIDTH ACQUIRES RUSH VENTURES,” Next 15, December 5, 2023. Archived July 22, 2025. Archive URL: https://archive.ph/GvODn
• 236
  “Lewis Silkin has advised Brandwidth Marketing Limited on the acquisition of Williams Commerce Holdings Limited and Cloudfy,” Lewis Silkin, November 17, 2023. Archived July 23, 2025. Archive URL: https://archive.ph/WlKxB
• 237
  “Williams Commerce is delighted to announce the acquisition of risk, compliance, and bespoke software developer Fast Floor Multimedia Ltd.,” Williams Commerce, April 15, 2019. Archived July 23, 2025. Archive URL: https://archive.ph/99xOM
• 238
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 239
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 240
  “Results International advises Conversion Rate Experts on its acquisition by Next Fifteen,” Conversion Rate Experts, July 2020. Archived July 23, 2025. Archive URL: https://archive.ph/i4wzW 
• 241
  “Elvis,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/qBz9L 
• 242
  “ACQUISITION OF ELVIS COMMUNICATIONS LIMITED,” Next 15, September 15, 2017. Archived July 28, 2025. Archive URL: https://archive.ph/iRcXT
• 243
  “Encore,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/iriX8 
• 244
  “House 337,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 245
  “Engine,” Next 15, Accessed December 31, 2022. Archived December 31, 2022. Archived .pdf available at DeSmog.
• 246
  Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025. Archived .pdf available at DeSmog. 
• 247
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 248
  “Next Fifteen Communications Group plc Annual Report 2016,” Next 15, 2016. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 249
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 250
  “Mach49,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Q0iQv
• 251
  “UK’s Next 15 warns on profit, shares dive 21%,” Reuters, June 26, 2025. Archived July 20, 2025. Archived .pdf available at DeSmog.
• 252
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 253
  “Browne Jacobson advises on sale of Market Making Limited to Next Fifteen Communications Group (Next 15),” Browne Jacobson, July 18, 2019. Archived July 23, 2025. Archive URL: https://archive.ph/zjylc 
• 254
  “MBooth,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 255
  “MBooth Health,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/0ndG2 
• 256
  “MHP Group,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/q1rDZ
• 257
  “Engine,” Next 15, Accessed December 31, 2022. Archived December 31, 2022. Archived .pdf available at DeSmog.
• 258
  Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 259
  “MHP GROUP ACQUIRES TUVA PARTNERS,” Next 15, July 17, 2024. Archived July 23, 2025. Archive URL: https://archive.ph/jPwTF
• 260
  “LUCAS HOOD LTD,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/ZnJ4G
• 261
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 262
  “Nectar,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Hst84 
• 263
  “Outcast,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Z384P
• 264
  “Palladium,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/HzctB
• 265
  “Adviser to Digital Diligence Ltd (onefourzero) on the competitive merger with Palladium.,” Wilson Partners, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/oiysW
• 266
  “DIGITAL DILIGENCE LIMITED,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/tlCfG
• 267
  “Digital Diligence Limited,” Pomanda, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Djf1x 
• 268
  “Palladium acquires White Space Strategy,” Next 15, August 10, 2023. Archived July 23, 2025. Archive URL: https://archive.ph/SucQR 
• 269
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 270
  John Glenday. “Next 15 acquires predictive analytics and data specialists Planning-inc,” The Drum, January 11, 2019. Archived July 23, 2025. Archive URL: https://archive.ph/EP1el
• 271
  “ELVIS forms a strategic partnership with Planning-inc,” Next 15, November 18, 2022. Archived July 23, 2025. Archive URL: https://archive.ph/O6n4y 
• 272
  “Plinc,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Nh1Eq 
• 273
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 274
  “PORTFOLIO T SPV2 LIMITED,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/tNBqQ 
• 275
  “Publitek,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/gOGXr 
• 276
  “Savanta,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/70qwO 
• 277
  “History – shaking up research,” Savanta, Accessed August 1, 2025. Archived August 1, 2025. Archive URL: https://archive.ph/9Taxo 
• 278
  Savanta acquires Explorer Research,” Next 15, December 4, 2023. Archived April 15, 2024. Archived .pdf available at DeSmog.
• 279
  “NRM NEW CO LIMITED,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/4QF1D
• 280
  “NRM NEW CO LIMITED – overview,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/N8knr 
• 281
  “WEARECLARITI LIMITED,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/PKF3K
• 282
  “WEARECLARITI LIMITED – overview,” Companies House, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/Rm1J3 
• 283
  “SMG,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/DqAUi
• 284
  “Acquisition of Shopper Media Group Ltd,” Next 15, April 9, 2021. Archived April 19, 2025. Archive URL: https://archive.ph/hpNyi
• 285
  “The Blueshirt Group,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/lIVoH 
• 286
  “Transform,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/m0Mxy 
• 287
  “Engine, Accessed December 31, 2022. Archived December 31, 2022. Archived .pdf available at DeSmog.
• 288
  Ida Axling. “Next 15 acquires Engine Group UK for £77.5m,” Campaign, March 2, 2022. Archived July 23, 2025. Archived .pdf available at DeSmog. 
• 289
  “Transform UK Expands Public Sector Expertise with Cadence Innova Acquisition,” Next 15, September 5, 2024. Archived July 23, 2025. Archive URL: https://archive.ph/DYkjU 
• 290
  “Twogether,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archived .pdf available at DeSmog.
• 291
  “Velocity,” Next 15, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/FRDBt 
• 292
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 293
  “Vox Public Relations India Pvt Ltd.,” Contact Out, Accessed July 23, 2025. Archived July 23, 2025. Archive URL: https://archive.ph/apxZW 
• 294
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 295
  “Next 15 Group plc Annual Report 2025,” Next 15. Archived July 6, 2025. Archived .pdf available at DeSmog. Archive URL: http://archive.today/4RENH
• 296
  “Shareholder information,” Next 15, Accessed July 28, 2025. Archived July 28, 2025. Archive URL: https://archive.ph/6YOfp