| Company | Timeline | Status | |
| Net Zero Pod Limited Director • Director | 9 Mar 2024←1 Year 7 Months→Current | Active | |
| Clarkson Alliance Project Management Limited Director • Company Director | 8 Jan 2018←7 Years→Current | Active | |
| Clarkson Alliance Cost Management Ltd Director • Company Director | 29 Oct 2015←6 Years→27 Oct 2021 | Active | |
| The Sailom Foundation Director • Company Director | 6 Aug 2015←5 Years→23 Mar 2021 | Dissolved | |
| Leisure Energy Ltd Director • Company Director | 13 Mar 2014←11 Years→Current | Active | |
| The Green Chauffeur Company Limited Director • None | 7 Jan 2010←2 Months→31 Mar 2010 | Dissolved | |
| The Clarkson Alliance Ltd Director • Construction Manager | 21 Mar 2003←18 Years→16 Dec 2021 | Active | |
GDG Management Limited Director • Construction Manager | 17 Jun 1994←8 Years→20 Mar 2003 | Dissolved | |
Impact Projects Limited Director • Construction Manager | 20 Oct 1991←15 Years→25 Jun 2007 | Dissolved | |
