| Company | Timeline | Status | |
| BDP Holdings Limited Director • Chartered Architect | 28 Jan 2001←10 Years→31 Dec 2011 | Active | |
| Drumglass Investments Limited Director • Chartered Architect | 17 Jun 1999←6 Years→6 Jul 2005 | Active | |
| Building Design Partnership Limited Director • Chartered Architect | 30 Jun 1997←14 Years→31 Dec 2011 | Active | |
| BDP Planning Supervisors Limited Director • Chartered Architect | 3 Jun 1996←10 Years→1 Feb 2007 | Active | |
| BDP Lighting Limited Director • Chartered Architect | 10 Apr 1995←4 Years→1 Nov 1999 | Active | |
| BDP Acoustics Limited Director • Architect Partner | 20 Mar 1995←4 Years→1 Nov 1999 | Active | |
