| Company | Timeline | Status | |
| Slademain Limited Director • Director | 31 Dec 1991←33 Years→Current | Active | |
| Argus Fire Protection Company Limited Director • Chairman | 14 Nov 1991←33 Years→Current | Active | |
| Argus Fire Protection Company (Southern) Limited Director • Director | 31 Aug 1991←29 Years→1 Dec 2020 | Dissolved | |
