| Company | Timeline | Status | |
| The Douglas Stephen Partnership Limited Director • Unreported | 11 Jan 1993←32 Years→Current | Active | |
| The Aldeburgh Cinema (Property) Limited Director • Architect | 21 May 1992←32 Years→28 Dec 2024 | Active | |
| The Britannia Tug Company Limited Director • Architect | 30 Jul 1990←1 Year 9 Months→29 Apr 1992 | Dissolved | |
