Where is mainframe studios located? Located in the heart of Kitsilano in beautiful Vancouver, Mainframe Studios is a short jaunt away from beaches, parks, the downtown core, and our majestic local mountains. You can work, kayak and ski all on the same day (although we wouldn’t recommend it – you’ll be pretty tired). Email: [email protected] Who are the founders of mainframe? Founded in 1991 as Mainframe Entertainment, the studio was started by Christopher Brough, a noted LA-based animation producer and the British animator group known as 'The Hub' - Gavin Blair, Ian Pearson and Phil Mitchell.Is mainframe a publicly traded company? Mainframe became a publicly traded company with a listing on the Toronto Stock Exchange on June 17, 1997. In conjunction with the public offering, Alliance sold 700,000 shares in the company, lowering their ownership to 7.8%.