| Company | Timeline | Status | |
| Active Hire Limited Secretary • Unreported | 22 May 2007←3 Years→17 Oct 2010 | Dissolved | |
| T.G. Howell & Sons Limited Secretary • Unreported | 22 May 2007←3 Years→30 Jun 2010 | In Administration | |
| Sers (Solar & Renewable Technologies) Wales Limited Secretary • Unreported | 3 Nov 2003←22 Years→Current | Active | |
| Sers Energy Solutions Group Limited Secretary • Unreported | 29 Oct 2003←22 Years→Current | Active | |
| Sers (London & South East) Limited Secretary • Unreported | 29 Oct 2003←21 Years→28 Feb 2025 | Active | |
| Rateavon Limited Secretary • Unreported | 5 Feb 1996←29 Years→Current | Active | |
| SPSE Investments Limited Secretary • Unreported | 17 May 1992←12 Years→19 May 2004 | Active | |
| Sers Energy Solutions Limited Secretary • Unreported | 22 Feb 1991←34 Years→17 Mar 2025 | Active | |
