| Company | Timeline | Status | |
| Keppie Interior Design Limited Director • Architect | 18 Jan 2002←7 Years→31 Dec 2009 | Active | |
| Keppie Planning Limited Director • Architect | 18 May 2001←8 Years→31 Dec 2009 | Dissolved | |
| St Columba's School (Construction) Limited Director • Architect | 31 Mar 2000←4 Years→25 Jan 2005 | Active | |
| St Columba's School (Developments) Limited Director • Architect | 31 Mar 2000←4 Years→25 Jan 2005 | Active | |
| St. Columba's School Limited Director • Director | 2 Sep 1999←5 Years→25 Jan 2005 | Active | |
| Keppie International Limited Director • Architect | 3 Jun 1996←13 Years→31 Jul 2009 | Dissolved | |
| Keppie Design Limited Director • Architect | 24 Aug 1995←14 Years→31 Dec 2009 | Active | |
