MacKinnon & Co. , LTD.Logo Design Contest Logo Design Contest Contests / MacKinnon & Co. , LTD. MacKinnon & Co. , LTD. has selected their winning logo design. For $250 they received 121 designs from 27 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by brandtub Return to Contest Return to Contest Withdrawn New #44 Withdrawn New #43 Discussion No comments yet.