| Company | Timeline | Status | |
| Anthesis (UK) Limited Director • Managing Director | 31 Oct 2019←6 Years→Current | Active | |
| Anthesis Consulting (UK) Limited Director • Environmental Consultant | 7 Dec 2013←5 Years→31 Oct 2019 | Active | |
WSP Real World Training Limited Director • Environmental Consultant | 1 Apr 2009←4 Years→6 Dec 2013 | Dissolved | |
| WSP Environmental Limited Director • Consultant | 5 Jun 2001←10 Years→29 Sep 2011 | Dissolved | |
| WSP Remediation Limited Director • Environmental Consultant | 11 Jun 1999←3 Years→1 Jan 2003 | Dissolved | |
