| Company | Timeline | Status | |
| Colvin Contracts Limited Director • Unreported  | 20 Oct 2014←11 Years→Current  | Active  | |
Colvin Batchelor Holdings Ltd Director • Operations Manager  | 3 Feb 2012←2 Years 9 Months→31 Oct 2014  | Dissolved  | |
| WTS Cavity Drain Ltd Director • Operations Manager  | 1 Feb 2012←2 Years 9 Months→31 Oct 2014  | Dissolved  | |
| Watertight Solutions UK Limited Director • Director  | 1 Feb 2012←2 Years 9 Months→31 Oct 2014  | Dissolved  | |
