| Company | Timeline | Status | |
| Northern Industrial Parks Limited Secretary • Administrator | 1 Dec 2007←9 Years→2 Oct 2017 | Active | |
| Units To Let (Yorkshire) Limited Secretary • Unreported | 29 Dec 1991←33 Years→Current | Active | |
| Cholsey Investments Limited Director • Managing Director | 29 Dec 1991←26 Years→31 Mar 2018 | Active | |
| Cholsey Investments Limited Secretary • Unreported | 29 Dec 1991←26 Years→31 Mar 2018 | Active | |
| Units To Let (Northern) Limited Secretary • Unreported | 19 Dec 1991←33 Years→Current | Active | |
| Thomas L. Keen Investments Limited Secretary • Unreported | 5 Jul 1991←34 Years→Current | Active | |
| Thomas L Keen (Properties) Limited Secretary • Unreported | 5 Jul 1991←34 Years→Current | Active | |
| Purley Development Co.Limited Secretary • Unreported | 29 Dec 1990←34 Years→Current | Active | |
