| Company | Timeline | Status | |
| Paul O'Neill Racing Limited Director • Motor Racing Team Owner-manage | 13 Dec 2000←24 Years→Current | Active | |
| Tech-Speed Motorsport Limited Director • Motorracing Team Manager/owner | 4 May 1999←26 Years→Current | Active | |
Kazarat Limited Director • Engineer | 28 Jul 1993←21 Years→9 Jul 2015 | Dissolved | |
