| Company | Timeline | Status | |
| Engineering Timelines Director • Chartered Secretary | 1 Sep 2014←11 Years→2 Dec 2025 | Dissolved | |
| Tidalstream Limited Director • Chartered Secretary Company Director | 15 Sep 2010←8 Months→10 Jun 2011 | Dissolved | |
Rybka Smith Ginsler And Battle London Limited Director • Company Secretary | 9 Sep 2009←4 Years→5 Aug 2014 | Dissolved | |
| The Whitbybird Foundation Director • Director/company Secretary | 17 Mar 2009←16 Years→Current | Active | |
| Ramboll UK Holding Limited Secretary • Unreported | 26 Sep 2007←11 Years→20 Jun 2019 | Active | |
| Engineering Timelines Secretary • Unreported | 14 Nov 2003←8 Years→5 Mar 2012 | Dissolved | |
| Ownpower UK Limited Secretary • Unreported | 2 Oct 2003←7 Years→4 Oct 2010 | Active | |
| Element Energy Limited Secretary • Unreported | 23 Jan 2003←7 Years→16 Jun 2010 | Dissolved | |
| Ramboll Middle East Limited Secretary • Company Secretary | 2 Dec 2002←16 Years→20 Jun 2019 | Active | |
| Ramboll UK Limited Director • Company Secretary | 12 Jul 2002←16 Years→20 Jun 2019 | Active | |
