| Company | Timeline | Status | |
| Resource R3 Limited Director • Unreported | 30 Mar 2022←3 Years→Current | Active | |
| Sip Group Holdings Limited Director • Unreported | 18 Mar 2022←3 Years→Current | Active | |
| Sip Building Systems Limited Director • Unreported | 22 Oct 2018←7 Years→Current | Active | |
| Sipco Ltd Director • Unreported | 7 Feb 2018←7 Years→Current | Active | |
| Structural Timber Association Limited Director • Director | 21 May 2014←12 Months→20 May 2015 | Active | |
UK Structural Insulated Panel Association Director • Company Director | 16 Apr 2009←4 Years→1 Apr 2014 | Dissolved | |
| Barrwood Properties Limited Director • Unreported | 22 Mar 2007←18 Years→Current | Active | |
| Barrwood Properties Limited Secretary • Unreported | 22 Mar 2007←18 Years→Current | Active | |
Sip Build Ltd Director • Construction | 1 Nov 2005←4 Years→15 Jun 2010 | Dissolved | |
