Constantine Cannon LLP
1 Paternoster Square
London EC4M 7DX

T: +44 (0)20 3668 5600
F: +44 (0)20 3668 5601

At Constantine Cannon LLP in London, you will find three leading international practices:

» Antitrust Law & Competition Counseling
» Art and Cultural Property Law Group
» Whistleblower Law

Constantine Cannon LLP in London is a specialist legal practice. We are affiliated with Constantine Cannon in the United States, the leading antitrust and commercial litigation law firm with offices in New York, Washington, D.C., and San Francisco.

We offer our clients a unique combination of experience, resources, relationships and expertise.

The London office of Constantine Cannon is a separate and independent limited liability partnership registered in England and Wales (with registered number OC376384) with a registered office at 1 Paternoster Square, London EC4M 7DX. Constantine Cannon LLP in London is authorised and regulated by the Solicitors Regulation Authority. The word “partner” denotes a member of Constantine Cannon LLP, or an employee or consultant with equivalent standing and qualifications. The professional rules applicable to the firm are available at the SRA website at