| Company | Timeline | Status | |
| Ferguson Brown Sustainable Engineering Ltd Director • Chartered Engineer | 19 Sep 2023←2 Years 1 Month→Current | Active | |
| Oaklands Professional Services Ltd Director • Director | 1 Jan 2016←9 Years→Current | Active | |
| Oaklands Professional Services Ltd Director • Consulting Engineer | 14 Nov 2014←1 Day→15 Nov 2014 | Active | |
| FBSE Services Ltd Director • Chartered Engineer | 6 Dec 2010←14 Years→10 Dec 2024 | Dissolved | |
| Ferguson Brown Sustainable Engineering Ltd Director • Chartered Engineer | 6 Dec 2010←7 Months→25 Jul 2011 | Active | |
| Ferguson Brown Sustainability Ltd Director • Consulting Engineer | 6 Mar 2006←19 Years→Current | Active | |
| Fergusons Ltd Director • Consulting Engineer | 6 Oct 2005←20 Years→Current | Active | |
