| Company | Timeline | Status | |
| Griptrak (Midlands) Limited Director • Civil Engineer | 13 Sep 1995←3 Years→12 Nov 1998 | Active | |
| Charles Grip Surfacing Limited Director • Contracts Manager | 21 Nov 1991←8 Months→30 Jul 1992 | Dissolved | |
| Charles Grip Surfacing Limited Director • Unreported | 1 Jan 1970←22 Years→30 Jul 1992 | Dissolved | |
