| Company | Timeline | Status | |
| BDP Sustainability Limited Director • Chartered Architect | 1 Feb 2007←16 Years→30 Apr 2023 | Active | |
| BDP Lighting Limited Director • Chartered Architect | 1 Feb 2007←16 Years→30 Apr 2023 | Active | |
| BDP Acoustics Limited Director • Chartered Architect | 1 Feb 2007←16 Years→30 Apr 2023 | Active | |
| BDP Holdings Limited Director • Chartered Architect | 28 Jan 2001←15 Years→1 Apr 2016 | Active | |
| Drumglass Investments Limited Director • Chartered Architect | 17 Jun 1999←6 Years→6 Jul 2005 | Active | |
| Building Design Partnership Pension Trustees Limited Director • Chartered Architect | 12 Nov 1997←15 Years→4 Nov 2013 | Dissolved | |
| Building Design Partnership Limited Director • Chartered Architect | 1 Jul 1997←25 Years→30 Apr 2023 | Active | |
| BDP Planning Supervisors Limited Director • Chartered Architect | 1 Jul 1997←9 Years→1 Feb 2007 | Active | |
