| Company | Timeline | Status | |
| Watson Heat Recovery Limited Director • Unreported | 11 Dec 2020←4 Years→Current | Active | |
| James Watson Ventilation Limited Secretary • Unreported | 24 Oct 2007←18 Years→Current | Active | |
| James Watson Ventilation Limited Director • Sales Advisor | 24 Oct 2007←18 Years→Current | Active | |
