| Company | Timeline | Status | |
| Active Building Centre Ltd Director • Company Director | 27 Jul 2020←3 Years→11 Jun 2024 | Dissolved | |
| Tidal Lagoon Plc Director • Company Director | 1 Sep 2015←2 Years 10 Months→26 Jul 2018 | Dissolved | |
| Keith Clarke Consulting Limited Director • Unreported | 17 Dec 2014←10 Years→Current | Active | |
| Tidal Lagoon (Swansea Bay) Plc Director • Company Director | 4 Sep 2014←4 Years→30 Sep 2018 | Liquidation | |
| Anglo American Crop Nutrients Limited Director • Company Director | 23 Dec 2013←6 Years→17 Mar 2020 | Active | |
| Future Cities Catapult Limited Director • Consultant | 15 Oct 2013←5 Years→1 Apr 2019 | Dissolved | |
| Forum For The Future Director • Director Of Sustainability | 13 Dec 2011←8 Years→30 Nov 2020 | Active | |
| The Engineering And Technology Board Director • Atkins’ Director Of Sustainability | 7 Sep 2011←4 Years→1 Dec 2015 | Active | |
| The British Standards Institution Director • Architect | 15 Aug 2011←2 Years 7 Months→31 Mar 2014 | Active | |
| The Construction Industry Council Director • Architect | 13 Jun 2007←3 Years→9 Jun 2011 | Active | |
