| Company | Timeline | Status | |
| The Capstone Management Company Limited Director • Director | 1 Jan 2010←7 Years→22 Aug 2017 | Active | |
| Steering Developments Limited Director • Technical Director/secretary | 14 Nov 1991←22 Years→12 Nov 2013 | Active | |
| Steering Developments Group Limited Director • Director | 27 Jun 1991←22 Years→12 Nov 2013 | Dissolved | |
