| Company | Timeline | Status | |
| Woodside Energy (Great Britain) Limited Director • Tax Adviser Assurance | 5 Jun 2009←8 Months→31 Jan 2010 | Active | |
| BHP Billiton Petroleum Great Britain Limited Director • Tax Advisor Assurance | 5 Jun 2009←8 Months→31 Jan 2010 | Active | |
BHP Billiton Paddington Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Dissolved | |
| Polynickel Colombia Investments Limited Director • Unreported | 24 Mar 2009←10 Months→27 Jan 2010 | Active | |
BHP Billiton Marketing Investments Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Dissolved | |
| BHP Billiton Holdings Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Active | |
| BHP Billiton International Services Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Active | |
| BHP Billiton (UK) Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Active | |
BHP Billiton Investment Holdings Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Dissolved | |
| BHP Minerals Europe Limited Director • Tax Adviser Assurance | 24 Mar 2009←10 Months→27 Jan 2010 | Liquidation | |
