| Company | Timeline | Status | |
| Hurstsandbrune Limited Director • Chartered Accountant | 6 Mar 2018←7 Years→Current | Active | |
| Champion Exploration (UK) Limited Director • Chartered Accountant | 12 Dec 2017←5 Years→23 Jun 2023 | Active | |
| PPJ Oiltax Consultants Limited Director • Chartered Accountant | 24 Oct 2017←6 Years→9 Apr 2024 | Dissolved | |
| Sandbourne Management Company Limited Director • Chartered Accountant | 15 Oct 2012←13 Years→Current | Active | |
| CW Energy LLP Designated LLP Member • Unreported | 4 Aug 2009←16 Years→Current | Active | |
C.W. North Sea Limited Director • Tax Adviser | 3 Aug 1993←23 Years→30 Aug 2016 | Dissolved | |
CW Energy Consultants Limited Director • Tax Consultant | 27 May 1993←23 Years→30 Aug 2016 | Dissolved | |
Tricentrol Exploration Overseas Limited Director • Tax Consultant | 23 Dec 1992←25 Years→10 Apr 2018 | Dissolved | |
C.W. North Sea Limited Director • Tax Adviser | 14 Oct 1991←1 Year 9 Months→30 Jul 1993 | Dissolved | |
C.W. Energy Tax Consultants Limited Director • Tax Consultant | 16 Mar 1991←27 Years→4 Dec 2018 | Dissolved | |
