| Company | Timeline | Status | |
| FM4U Ltd Director • Company Director | 24 May 2014←5 Years→7 Feb 2020 | Active | |
| Colin Dowson 3 Limited Director • Director | 1 Feb 2009←16 Years→Current | Active | |
| Colin Dowson 4 Limited Director • Director | 15 May 2008←17 Years→Current | Active | |
| GB Locking Systems Ltd Director • Director | 10 Feb 2003←2 Years 3 Months→11 May 2005 | Active | |
| Colin Dowson 1 Limited Director • Security | 27 Sep 2002←23 Years→Current | Active | |
| Intruder Detection & Surveillance Ltd Secretary • Unreported | 27 Sep 2002←7 Months→13 May 2003 | Active | |
| Intruder Detection & Surveillance Ltd Director • Security | 26 Jul 2002←22 Years→30 Jun 2025 | Active | |
