| Company | Timeline | Status | |
| Riba Journals Limited Director • Executive Director | 14 Jul 2022←5 Months→9 Jan 2023 | Dissolved | |
| Riba 1834 Limited Director • Executive Director | 14 Jul 2022←5 Months→9 Jan 2023 | Active | |
| Riba Financial Services Limited Director • Executive Director | 14 Jul 2022←5 Months→9 Jan 2023 | Dissolved | |
| Riba Enterprises Limited Director • Executive Director | 14 Jul 2022←5 Months→9 Jan 2023 | Dissolved | |
| The Joint Contracts Tribunal Limited Director • Architect | 18 Sep 2008←5 Years→2 Sep 2014 | Active | |
