The Shelby Company Limited is owned by the Shelby Family. It is a successful business that continues to thrive through the 1920s. Thomas Shelby is the head of the company, while his Second-In-Command is Polly Gray, who was previously the Deputy Treasurer. Michael Gray is the Chief Accountant while Lizzie Stark is the Deputy Treasurer. John Shelby seals the books, both legal and off-track.