| Company | Timeline | Status | |
| United Construction Materials Limited Director • Director | 3 Jun 2011←5 Years→21 Dec 2016 | Dissolved | |
| United Asphalt Contracting Limited Director • Director | 30 Sep 2008←8 Years→21 Dec 2016 | Dissolved | |
| United Concrete Limited Director • Director | 30 Sep 2008←8 Years→21 Dec 2016 | Dissolved | |
| D C Aggregates Limited Director • Director | 30 Sep 2008←7 Years→18 May 2016 | Active | |
| United Asphalt Limited Director • Director | 15 Aug 2007←9 Years→21 Dec 2016 | Active | |
| United Asphalt Limited Director • Director | 15 Aug 2007←9 Years→21 Dec 2016 | Dissolved | |
| United Asphalt (Croydon) Limited Director • Director | 15 Aug 2007←9 Years→21 Dec 2016 | Dissolved | |
| Foster Yeoman Limited Director • Director | 1 Aug 2004←1 Year 10 Months→26 Jun 2006 | Active | |
| Castor Praxis Consulting Limited Director • Company Director | 27 Mar 2000←9 Months→2 Jan 2001 | Active | |
| Carbon Zero Consulting Ltd Director • Company Director | 27 Mar 2000←9 Months→2 Jan 2001 | Active | |
