| Company | Timeline | Status | |
| Simpson (York) Est Trustee Limited Director • Unreported | 11 Jun 2020←5 Years→Current | Active | |
| Byre Homes (Yorkshire) Limited Director • Director | 28 Mar 2019←6 Years→Current | Active | |
| Chessingham Park Management Limited Director • Unreported | 6 Oct 2008←17 Years→Current | Active | |
| Simpson Shopfitting Limited Director • Building Contractor | 21 Sep 2001←24 Years→Current | Active | |
| Simpson (York) Holdings Limited Director • Building Contractor | 13 May 1994←31 Years→Current | Active | |
| Simpson (York) Limited Director • Director | 21 Apr 1993←32 Years→Current | Active | |
| Simons Construction Limited Director • Contracts Manager | 20 Oct 1991←7 Months→27 May 1992 | Liquidation | |
