Business & Human Rights Law: Claimant-Side Expertise
Global Market Leaders
6 years ranked
LAWYER PROFILE
Martyn Day
Global 2026
Ranked in 1 practice area
Contributions and articles
3 Articles, Press releases, highlights
About
Provided by Leigh Day
Practice Areas
Martyn Day is the Senior Partner at Leigh Day. He has a leading reputation for international, product liability and environmental claims, often as group actions. He heads a team of lawyers who represent claimants in the UK and overseas in cases against corporate or governmental bodies.
Career
From Colombotti & Partners, moved to Clifford and Co., then went to Bindman & Partners. In 1987, set up Leigh Day with Sarah Leigh OBE.
Professional Memberships
Board member of Greenpeace Environmental Trust, Leadership Council Member of Earthrights International, Former Chair of the Chem Trust, Former Chair of Greenpeace UK
Publications
Martyn regularly addresses lectures, seminars and media on environmental and justice issues.
Chambers Review
Provided by Chambers
Chambers Global Guide
Business & Human Rights Law: Claimant-Side Expertise - Global Market Leaders
Spotlight
Individual Editorial
Martyn Day is the co-founder of Leigh Day, heading a team that represents claimants in cases against corporate and government bodies. He is a prominent name in the field, noted for his work advising clients against large-scale multinationals and their subsidiaries on matters involving alleged human rights abuses.
Strengths
Provided by Chambers
Martyn Day is the pioneer of business and human rights litigation. His has an unwavering commitment to justice for vulnerable communities, combined with strategic vision and legal courage.
Business & Human Rights Law: Claimant-Side ExpertiseChambers Global GuideHis strengths are his strategic brain and his confidence to take informed risks and lead fights and cases that no one else can.
Business & Human Rights Law: Claimant-Side ExpertiseChambers Global GuideMartyn is so active as a hands on litigator in the largest claims.
Business & Human Rights Law: Claimant-Side ExpertiseChambers Global Guide
Ranked Individuals at Leigh Day (5)
Global Market Leaders
Daniel Leader
Business & Human Rights Law: Claimant-Side Expertise
View profile Martyn Day
Business & Human Rights Law: Claimant-Side Expertise
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Oliver Holland
Business & Human Rights Law: Claimant-Side Expertise
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Richard Meeran
Business & Human Rights Law: Claimant-Side Expertise
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Sapna Malik
Business & Human Rights Law: Claimant-Side Expertise
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Articles, Highlights and Press Releases
3 items provided by Leigh Day
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