| Company | Timeline | Status | |
| Holf Investments Limited Director • None | 29 Apr 2013←12 Years→Current | Active | |
| My Possible Self Limited Director • Director | 18 Feb 2009←16 Years→Current | Active | |
| The Wilderness Oak Charitable Trust Director • None | 25 Jan 2008←17 Years→Current | Active | |
| Holf Leisure Limited Director • Company Director | 14 Dec 2000←24 Years→Current | Active | |
| Holf Leisure Limited Secretary • Proposed Company Director | 14 Dec 2000←24 Years→Current | Active | |
| Vdata Limited Secretary • Unreported | 10 Jan 1999←6 Months→23 Jul 1999 | Dissolved | |
| Holf Technologies Limited Secretary • Unreported | 22 Sep 1998←10 Months→23 Jul 1999 | Dissolved | |
| OLD Rope Limited Secretary • Unreported | 31 Dec 1990←10 Years→10 Jan 2001 | Active | |
