Leigh Day was founded on 10th June 1987 and now has over 500 people, with main offices in London and Manchester. It is one of The Times top 100 law firms and is ranked at the highest levels for the majority of its practice areas in both the law sector’s independent legal directories, Chambers & Partners and Legal 500.
The firm was founded by Sarah Leigh OBE, who left the law firm Bindmans in 1985 to form a specialist personal injury firm. She was joined by Martyn Day in 1987, and Leigh Day & Co was created, with its first offices in Gray’s Inn Road.
Leigh Day’s lawyers have unrivalled experience in bringing group claims. The firm has acted for groups of clients numbering from 15 to 50,000 in size. Leigh Day is widely regarded as one of the leading law firms specialising in claimant environmental work and human rights in the UK and around the world.


3,500 members of the armed forces join Leigh Day legal claim
More than 3,500 serving members of the armed forces have joined a discrimination claim against the Ministry of Defence, which is likely to be worth up to 50 million pounds, after younger and unmarried personnel were charged higher rents for military housing.
Windermere pollution: “A national disgrace”
Ben West and Fiona Huddleston discuss the latest reports about pollution affecting Windermere, England’s largest lake.