| Company | Timeline | Status | |
| Widemarsh Gate Developments Limited Director • Director | 3 Dec 2012←3 Years→29 Jul 2016 | Active | |
| Contaminated Land:Applications In Real Environments Director • Director | 1 Jun 2012←2 Years 8 Months→1 Feb 2015 | Active | |
| Sir Robert McAlpine (Holdings) Limited Director • Company Director | 1 Oct 2010←5 Years→29 Jul 2016 | Active | |
| Sir Robert McAlpine Management Contractors Limited Director • Company Director | 1 Oct 2010←5 Years→29 Jul 2016 | Active | |
| Sir Robert McAlpine Limited Director • Company Director | 1 Oct 2010←5 Years→29 Jul 2016 | Active | |
| Tiger Technology Innovations Limited Director • None | 12 May 2010←1 Year 6 Months→1 Dec 2011 | Active | |
| Laing Projects (UK) Limited Director • Quantity Surveyor | 7 Dec 1998←1 Year 4 Months→30 Apr 2000 | Liquidation | |
| Laing Limited Director • Quantity Surveyor | 6 Nov 1998←1 Year 5 Months→30 Apr 2000 | Active | |
| Laing Construction Limited Director • Quantity Surveyor | 31 Mar 1996←2 Years 7 Months→6 Nov 1998 | Active | |
Laing Management (Scotland) Limited Director • Quantity Surveyor | 31 Mar 1996←4 Years→30 Apr 2000 | Dissolved | |
