| Company | Timeline | Status | |
| G F Tomlinson Energy Ltd Director • Director | 22 Jul 2015←3 Years→7 Feb 2019 | Active | |
| Burton Management Company Ltd Director • Director | 13 Feb 2015←3 Years→7 Feb 2019 | Active | |
| Derventio Energy Solutions Ltd Director • Director | 31 Jan 2013←6 Years→7 Feb 2019 | Active | |
| G F Tomlinson Birmingham Limited Director • Accountant | 8 Apr 2010←8 Years→7 Feb 2019 | Active | |
| G.F. Tomlinson Building Limited Director • Accountant | 6 Apr 2010←8 Years→7 Feb 2019 | Active | |
| Total Site Accommodation Services Ltd Director • Accountant | 17 May 2004←15 Years→31 Oct 2019 | Active | |
| Total Hire & Sales Limited Director • Accountant | 22 Dec 1999←19 Years→7 Feb 2019 | Active | |
| Derventio Energy Limited Director • Accountant | 1 Jun 1995←23 Years→21 Feb 2019 | Active | |
| G.F. Tomlinson Building Limited Director • Accountant | 18 Oct 1991←15 Years→13 Jun 2007 | Active | |
| Alpha Construction Limited Director • Accountant | 20 Sep 1991←3 Years→9 Jun 1995 | Active | |
