| Company | Timeline | Status | |
| Ashorne Hill Management College Director • Director | 1 Jul 1994←9 Months→30 Mar 1995 | Active | |
| B.S. Pension Fund Trustee Limited Director • General Works Manager | 10 May 1991←1 Month→18 Jun 1991 | Active | |
| Clydesdale Excavating And Construction Company Limited Director • Company Director | 1 Aug 1989←31 Years→5 Jan 2021 | Dissolved | |
