| Company | Timeline | Status | |
| DJ Property Estates Limited Director • Unreported | 9 Jun 2022←3 Years→Current | Active | |
| Sentinel Systems Limited Director • Director | 12 May 2018←7 Years→Current | Active | |
Safetystop Limited Director • Managing Director | 12 May 2018←1 Year 1 Month→2 Jul 2019 | Dissolved | |
| Colenso Ventures Limited Director • Director | 1 May 2018←7 Years→Current | Active | |
| Shand Engineering Limited Director • Director | 17 Dec 2014←1 Year→22 Dec 2015 | Active | |
| Seria Limited Director • Engineer | 26 Jun 2007←2 Years→30 Jun 2009 | Active | |
| Airport Energy Services Limited Director • Engineer | 26 Jun 2007←2 Years→30 Jun 2009 | Active | |
| Sturrock And Robson (UK) Limited Director • Managing Director | 4 Jan 2005←13 Years→5 Apr 2018 | Active | |
| Fluid Transfer International Limited Director • Marketing Director | 1 Jul 2002←15 Years→5 Apr 2018 | Active | |
