| Company | Timeline | Status | |
| JDRD Limited Director • Architect | 29 Jun 2021←4 Years→Current | Active | |
| JD Architects Limited Director • Director | 20 Jul 2017←8 Years→Current | Active | |
| Dunn Architects Limited Director • Architect | 2 Jun 2008←16 Years→13 Feb 2025 | Dissolved | |
| The Gale & Dunn Partnership Ltd Director • Architect | 9 Feb 1999←26 Years→Current | Active | |
| The Gale & Dunn Partnership Ltd Secretary • Architect | 9 Feb 1999←8 Years→11 Apr 2007 | Active | |
