| Company | Timeline | Status | |
| Refco Limited Director • Director | 8 Oct 2010←10 Years→24 Feb 2021 | Active | |
| Gent Fairhead & Co. Limited Director • Director | 1 Sep 2009←11 Years→24 Feb 2021 | Active | |
| Ralph Keeble Consulting Limited Director • Director | 30 Jun 2009←14 Years→8 Apr 2024 | Dissolved | |
| Golder Associates (UK) Limited Director • Chartered Civil Engineer | 30 Jan 2007←12 Months→25 Jan 2008 | Active | |
