| Company | Timeline | Status | |
| Sinclair Garages (Cardiff) Limited Director • Director | 1 Oct 2009←16 Years→Current | Active | |
| Sinclair Garages (Bridgend) Limited Director • Motor Industry | 25 Feb 2006←19 Years→Current | Active | |
| Sinclair Garages Limited Director • Motor Industry | 25 Feb 2006←19 Years→Current | Active | |
| Sinclair Garages (Port Talbot) Limited Director • Director | 25 Feb 2006←19 Years→Current | Active | |
