| Company | Timeline | Status | |
| Ritchie Project Management Consultancy Ltd Director • Unreported | 13 May 2021←4 Years→Current | Active | |
| Ritchie Properties Ltd Director • Unreported | 6 Jul 2015←10 Years→Current | Active | |
| Paul Ritchie Joinery Ltd Director • Director | 23 Jul 2012←13 Years→Current | Active | |
