| Company | Timeline | Status | |
| RBCA Advisory LLP Designated LLP Member • Unreported | 9 Dec 2022←2 Years 11 Months→Current | Active | |
| Ross Boyd Limited Director • Director | 3 Dec 2018←6 Years→Current | Active | |
| RBCA Limited Director • Accountant | 28 Sep 2017←8 Years→Current | Active | |
| Ross Boyd (Glasgow) Limited Director • Accountant | 28 Sep 2017←5 Years→24 Jan 2023 | Dissolved | |
| Cullintraw Limited Director • Director | 22 Jul 2016←9 Years→Current | Active | |
| Ulster Wildlife Trust Director • Chartered Accountant | 3 Mar 2016←2 Years 2 Months→16 May 2018 | Active | |
