LAWYER PROFILE
Stuart Helmer

Stuart Helmer

UK 2026

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Ranked in 1 practice area

About

Provided by CMS

Practice Areas

Stuart Helmer is Of Counsel in the Intellectual Property team and head of the CMS London advertising and marketing group. He has over 15 years’ experience of advising a wide range of businesses on advertising and marketing compliance and disputes and is individually ranked for Advertising and Marketing by Chambers. Clients describe him as ”bloody fantastic … really, really pragmatic and an absolute lifesaver”.

Stuart frequently advises on comparative advertising disputes, including in major High Court litigation in relation to allegedly misleading comparative advertising. He also frequently advises on making and responding to complaints to the Advertising Standards Authority, where he has particular experience of late-stage interventions to reverse or mitigate a draft decision against his client. He also has extensive experience of implementing and operating day-to-day advertising clearance programmes.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Media & Entertainment: Advertising & Marketing - UK-wide

Band 4
Band 4

Individual Editorial
Stuart Helmer is head of the CMS advertising and marketing group in London. He advises a broad range of businesses on compliance as well as contentious advertising matters and is experienced in dealing with complaints made to the ASA.

Strengths

Provided by Chambers

  • He is extremely capable, consistent and experienced.

    Media & Entertainment: Advertising & MarketingChambers Guide to the Legal Profession
  • Stuart has provided expert, practical and commercially minded advice to our business.

    Media & Entertainment: Advertising & MarketingChambers Guide to the Legal Profession
  • Stuart is very commercial and gives me opinions of ads, which means I can advise the business accordingly. I also find him very professional.

    Media & Entertainment: Advertising & MarketingChambers Guide to the Legal Profession

Ranked Individuals at CMS (216)

London (Firms)

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