McInnes Cooper is a full-service Canadian law firm with nearly 200 lawyers.

[1] It is centrally located in Atlantic Canada, with offices in Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador.

As a multi-service firm, McInnes Cooper provides legal advice to a broad range of clients, including corporations, government agencies, regulatory institutions, and non-profit bodies.

[4] In 2013 the firm began a formal working relationship with the Canadian Civil Liberties Association to advance civil liberties in Atlantic Canada.

[5] In 2014, law firm Ottenheimer Baker joined McInnes Cooper in St. John's, making the combined law firm the largest in Newfoundland and Labrador.