Cozen O'Connor (UK)

Cozen O'Connor is a full-service law firm founded in 1970 in Philadelphia. It has more than 1,000 attorneys in 33 cities across the United States, Canada and the United Kingdom. Its London office at New London House, 6 London Street, is a limited liability partnership whose members include English solicitors and registered US attorneys. The firm is listed here for its work with aviation, insurance and transport clients.

London office

• Address: New London House, 6 London Street, London EC3R 7LP
• Phone: +44 (0)20 7864 2000
• Chair, London Market: J.C. Ditzler
• Registered in England and Wales (OC 312006), regulated by the Solicitors Regulation Authority (SRA 426734)

Practice areas

• Litigation, including insurance, subrogation and recovery work
• Corporate and business law
• Intellectual property
• Real estate
• Labor and employment
• Government relations through Cozen O'Connor Public Strategies

History

The firm opened in 1970 as Orlofsky, Cozen & Begier. Its growth was led by Stephen A. Cozen and Patrick J. O'Connor, who built it into an Am Law 100 firm. It is ranked by Chambers & Partners, The American Lawyer, The Legal 500 and Best Lawyers.

Company facts

• Founded 1970, headquarters in Philadelphia
• More than 1,000 attorneys in 33 cities
• Offices in the United States, Canada (Toronto, Vancouver, Montreal) and London

Contact

London: +44 (0)20 7864 2000
Details from cozen.com, October 2026.