| Company | Timeline | Status | |
| NMR Pension Trustee Limited Director • Director | 30 May 2008←3 Years→1 Jul 2011 | Active | |
| Belfast Historical And Educational Society Limited-The Director • Archivist | 1 Nov 2004←21 Years→12 Nov 2025 | Active | |
| The Rothschild Archive Limited Secretary • Unreported | 31 Oct 2004←21 Years→Current | Active | |
