| Company | Timeline | Status | |
| Denholm Valvecare (Holdings) Limited Director • Company Director | 30 Sep 2009←2 Years 7 Months→10 May 2012 | Dissolved | |
| Denholm Oilfield Services Group Limited Director • Company Director | 24 Apr 2009←4 Years→3 Jun 2013 | Dissolved | |
Denholm Oilfield Services (UK) Limited Director • Company Director | 24 Oct 2008←3 Years→10 May 2012 | Dissolved | |
| Denholm Valvecare Limited Director • Company Director | 17 Sep 2008←3 Years→31 Dec 2011 | Dissolved | |
| Denholm Environmental Limited Director • Company Director | 16 Sep 2008←3 Years→4 Sep 2012 | Active | |
| Ably Access Ltd Director • Company Director | 6 Aug 2008←3 Years→10 May 2012 | Dissolved | |
