| Company | Timeline | Status | |
| London Vents Limited Director • Engineer | 1 May 2024←1 Year 6 Months→Current | Active | |
| Brink & Thomas (Engineering) Limited Director • Engineer | 29 May 2002←23 Years→Current | Active | |
| Chainstream (Holdings) Limited Director • Engineer | 2 Apr 2002←23 Years→Current | Active | |
| Chainstream (UK) Limited Director • Engineering | 16 Jul 1998←27 Years→Current | Active | |
