| Company | Timeline | Status | |
Oak Secure Systems Limited Secretary • Company Secretary | 16 May 2006←7 Years→25 Feb 2014 | Dissolved | |
| Oak Systems Limited Director • Retired | 16 Aug 1992←30 Years→21 Feb 2023 | Dissolved | |
| Oak Systems Limited Secretary • Unreported | 16 Aug 1992←30 Years→21 Feb 2023 | Dissolved | |
