Gowling WLG excels in assisting global and domestic brands and advertisers with advertising, marketing, and promotion-related matters. The firm is well-versed in environmental advertising and often guides clients through ESG regulations and greenwashing claims. It is also highly capable of managing regulatory complaints, coordinating promotions and sponsors, and launching new marketing campaigns, as well as advising on digital marketing issues. The firm has specific expertise in sports and event marketing mandates, aiding clients with sports marketing deals and high-profile sponsorships, in addition to talent partnerships. Practice head Dan Smith is an advertising law specialist with a wealth of experience in advising global brands, rights holders, and agencies. He is an expert in greenwashing, generative AI, influencer and affiliate marketing, and digital media. Zoe Pearman is noted for her work advising domestic and international clients in the retail, food, and automotive sectors on marketing issues.

Lewis Silkin is a premier advertising and marketing firm that primarily works with media owners, digital agencies, industry trade associations, and advertisers. The team has ample experience with industry regulators, such as the Advertising Standards Authority, Ofcom, and the Competitions and Markets Authority. It is often sought after by clients to assist with negotiating client and agency, adtech vendor, and influencer agreements, and it also frequently supports clients with sponsorships and media buying. Brinsley Dresden co-leads the team and is an expert in the advertising and marketing field, advising numerous global brands and advertising agencies on advertising law and regulation. Co-head Geraint Lloyd-Taylor is an advertising heavyweight and advises trade bodies alongside brands, media owners and advertising agencies, on regulatory issues such as environmental claims, AI, and online safety. Alex Meloy is another key team member with experience advising on compliance with advertising regulation and consumer protection laws. Jo Farmer is the go-to for commercial agreements and IP rights issues.

RPC centres its advertising and marketing practice around advising technology companies, social media platforms, global brands, retailers, and media agencies. The firm works closely with the ASA, Trading Standards, and CMA on advertising and marketing issues and has been especially active advising on the Digital Markets, Competitions and Consumers Act. The practice is led by Oliver Bray, who combines his expertise in advertising and digital matters to advice on regulatory investigations and proceedings, commercial contracts, data protection, IP, and content matters. Ciara Cullen is the go-to for IP mandates, while Hettie Homewood specialises in regulatory issues related to advertising, marketing, and consumer protection. The team supports clients with advertising and marketing campaigns, assisting with influencer marketing, sponsorships, adtech, and environmental claims.

Bates Wells is well-known for its regulatory expertise, acting as the lead advisor for advertising and marketing industry bodies. The team is experienced in challenging regulators and representing clients in regulatory investigations and prosecutions. The team is knowledgeable on a number of areas of advertising, including promotions, prize draws, copy clearance, direct marketing, and database issues. The firm also has in-house data protection and IP specialists who often assist advertising clients with compliance. Practice head Rupert Earle is the go-to lawyer for UK regulatory bodies and is an expert in advertising and marketing law.

Bristows LLP focuses on advising clients in the TMT sector, brands, and advertising agencies on non-contentious and contentious advertising mandates. The team has been involved with matters regarding the new consumer protection regime outlined in the DMCC Act and advises clients on potential upcoming issues related to subscription contracts, fake reviews, and drip pricing. It works with clients on brand endorsement deals, regulatory compliance related to the use of influencers in marketing, and environmental claims. The team leverages the firm's wider expertise in IP to advise on brand protection and consumer liability. Paul Jordan and Richard Dickinson jointly lead the team; Jordan is well-versed in content acquisition and multi-platform campaign clearance, while Dickinson advises often clients on IP rights. Sean Ibbetson works with brands and publishers on UK advertising regulations and investigations by the ASA.

The advertising and marketing team at CMS is well-versed in advising clients from a variety of sectors, including healthcare and life sciences, environment, food and beverage, gaming, and financial services. The firm is well-equipped to assist clients with ASA complaints, advertising disputes, and CMA investigations. It regularly advises on issues surrounding personalised pricing, reviews, dark patterns, and authenticity claims. Other areas of expertise for the group include commercial contracts, M&A, data privacy, and IP. The practice is led by Stuart Helmer, who focuses on advertising and marketing compliance, and media specialists Victoria Gaskell and Paul Guite.

Fieldfisher boasts a strong advertising and marketing practice with ample expertise across numerous sectors, such as luxury brands, retail, skincare, pharmaceuticals, online platforms, and streaming services, to name a few. The team specialises in media planning and buying across, and it also defends clients from ASA complaints and investigations. The group is well-placed to assist overseas clients with adapting their advertising and marketing practices to UK and EU law. David Bond spearheads the practice and is a go-to for advice on media planning and buying agreements. He is ably supported by Sonal Patel Oliva, who advises on a range of matters, from compliance and promotions, to product claims and influencer marketing.

Harbottle & Lewis LLP has a well-rounded advertising and marketing practice which advises brands, agencies, and content producers. Besides assisting clients with commercial matters and advertising campaigns, the team is also skilled in advertising production issues and ASA investigations. Adtech and digital marketing is another focus of the firm, which regularly assists with transparency in adtech, brand safety, and online ad fraud. Clientele seek out the firm for assistance with sponsorship deals, brand ambassador matters and influencer marketing. Sacha Wilson leads the advertising and marketing team; he advises global brands, agency groups, platforms, and trade bodies with advertising contracts and regulatory compliance.

Lee & Thompson LLP advises multinational brands, advertising agencies, international communications groups, and media owners on campaign strategy, commercial contracts, and regulatory compliance. It is noted for its expertise arranging talent endorsement deals, and the team also advises on ad sales agreements, advertising disputes and influencer campaigns. Heading up the practice, Huw Morris excels at advising agencies and brands on talent and influencer work, often negotiating major high-profile partnerships. Dominic Bray is experienced in contractual, IP, and regulatory disputes and defends clients in ASA investigations. The group continues to expand its advertising and marketing practice with the addition of adtech specialist Nick Swimer from Reed Smith LLP and Rebecca Coleman, who brings in-house advertising expertise.

Taylor Wessing LLP combines its expertise across media and entertainment to advise both traditional and digital media clients on advertising and marketing practices. The team predominately advises clients in consumer-facing technology sectors, as well as advertisers, on disputes and regulatory and commercial matters. Adam Rendle leads the team and is experienced in handling advertising regulation issues, sponsorship and agency agreements, AI-related issues, and IP mandates. Simon Jupp focuses on supporting media agencies and brands with advertising campaigns and sales promotions. The firm recently increased the strength of its team through the addition of Giles Crown, who joined in February 2024 following his departure from Lewis Silkin. Crown is well-respected for his expertise in legal and regulatory risk, representing clients in the advertising and marketing sector in litigation, alternative dispute resolution, and regulatory investigations.

Charles Russell Speechlys LLP centres its practice around advising brands on sponsorship agreements, brand partnerships, ASA clearance, and compliance. It also advises brands on working together with influencers and on brand activations, promotions, brand ambassador agreements, and events. Team lead Jason Saiban is well-equipped to advise clients on commercial contracts, especially those related to brand marketing for sport, retail, and consumer sector clients. He has a wealth of experience assisting with sponsorship deals, endorsements, event management, and other advertising matters.

Herbert Smith Freehills Kramer LLP advises both agency and brands on corporate advertising and marketing deals. The firm is often sought after for its skills negotiating multi-jurisdictional global advertising and marketing services deals and is well-versed in issues arising due to re-procuring services. Other deals the team works on includes content creation and production, sale of advertising space, sponsorships, influencer marketing, and product placement. The practice is led by Hayley Brady, who is well-known for her working advising clients on regulations, marketing, sponsorships, and advertising.

Purdy Smith's advertising and marketing practice is led by expert and founder Mark Smith, who is sought out by global brands, marketing agencies, and businesses to advise on the full gamut of advertising and marketing law matters. He is well-versed in dealing with regulatory authorities such as the ASA and has broad expertise across IP rights, commercial contracts, consumer law, data protection, and e-commerce issues. The department often handles international advertising and marketing projects utilising its strong global network of legal contracts. The firm is well-positioned to advise both new emerging brands and established international corporations.

Reed Smith LLP focuses on advising international clients, from brands to video game companies and social media platforms, on their advertising and marketing issues. The practice’s offering includes assistance with adtech issues, platform regulation, and digital compliance. It also supports clients with cross-border advertising campaigns, ensuring that clients are aware of and compliant with different regulatory requirements internationally. Commercial advertising agreements for brands is another key focus of the team. Practice head Elle Todd is well-versed in commercial and compliance issues, advising consumer brands, technology clients, and corporations on advertising transactions. Digital media specialist Nick Breen advises a mix of advertisers, agencies, and brands, while Tom Gates is noted for his work on adtech and consumer law. Nick Swimer left the firm in 2024.

Simkins LLP is well-versed in advertising and marketing issues, supporting advertising groups with a variety of agreements, agency pitches and appoints, media buying, and advertising services agreements. The firm also advises brand owners, influencers, and talent on regulatory issues related to their advertising and marketing activities, such as IP rights clearance, influencer marketing, direct marketing, and promotions. Euan Lawson leads the commercial team, while Caroline Copeland heads up the advertising practice, leading on advertising and marketing agreements and commercial matters. Ed Baden-Powell works with clients on advertising and clearance issues, as well as regulatory matters.

Squire Patton Boggs's advertising and marketing team acts for advertising agencies, production companies, media owners, technology companies, and other users of advertising on commercial, regulatory, and contractual matters. The team is home to specialists in consumer protection law, compliance, and comparative advertising, to name a few. It is also well-versed in advising clients from regulated sectors, such as gambling and gaming, on advertising projects. Practice head Carlton Daniel is a leading advertising lawyer who is experienced in advising advertisers, agencies, media owners, and intermediaries on contentious and non-contentious matters.

Browne Jacobson LLP advises high-end fashion brands, mass market retail companies, influencers, and adtech companies on a mix of IP, advertising, and marketing matters. The firm handles a mix of contentious and non-contentious mandates, assisting clients with copyright infringement, contractual issues, sponsorship agreements, and promotions. Declan Cushley leads the team and is noted for his work on IP and new technologies, while Giles Parsons assists brands with IP protection.

Mishcon de Reya LLP is well-versed in representing clients in advertising disputes, managing investigations and enforcement actions by regulatory authorities, and ensuring clients remain compliant with advertising regulations. The team is knowledgeable on brand protection, CAP, and BCAP codes, and it has a sector specific-focus, mainly advising betting, gambling, and interactive entertainment clients, assisting with advertising and branding advice and agreements. Jeremy Hertzog co-leads the team and is the go-to for IP litigation and IP protection, while co-head Stuart Lester was recently promoted to partner and excels at providing clearance advice related to advertising and sales promotion campaigns.

Northridge Law LLP is noted for its work on sponsorships, media rights, and advertising for sports sector clients, including professional sports teams, notable individuals, and sports organisations. The firm also advises agencies and brands on sponsorship and promotion deals. Spearheading the practice is sports expert Jon Walters, who often assists clients with sponsorship deals, marketing, and regulatory advice. Paul Shapiro is key to commercial and regulatory matters, including licensing and merchandising programmes.

Wiggin LLP‘s advertising and marketing team is built around betting, gambling, gaming, and sports sectors. The team displays expertise in BCAP and CAP code and Ofcom regulations related to the betting and gaming sectors. It also advises sports rights’ holders and buyers on promotional rights and meeting sponsor requirements. Team lead Sarah MacDonald advises brands, sports entities, and gaming clients with the creation, marketing, and distribution of content. She also assists with regulatory challenges that occur when advertising or marketing in these sectors.