| Company | Timeline | Status | |
| Career Development Institute Director • Company Director | 24 Sep 2012←6 Months→25 Mar 2013 | Active | |
| Trevor Gilbert & Associates Limited Director • Training Consultant | 17 May 1996←3 Years→8 Nov 1999 | Active | |
| Trevor Gilbert & Associates Limited Secretary • Company Director | 17 May 1996←3 Years→8 Nov 1999 | Active | |
| The Recruitment Network (Manchester) Limited Director • Training Consultant | 15 Sep 1992←33 Years→21 Oct 2025 | Dissolved | |
| The Recruitment Network (Manchester) Limited Secretary • Unreported | 9 Sep 1992←5 Years→22 Oct 1997 | Dissolved | |
