| Company | Timeline | Status | |
| Northumbrian Water Limited Director • Unreported | 14 Apr 2021←4 Years→Current | Active | |
| Northern Ireland Electricity Networks Limited Director • Unreported | 1 Jan 2018←7 Years→Current | Active | |
Tooley Energy Limited Director • None | 1 Nov 2013←2 Years 1 Month→17 Dec 2015 | Dissolved | |
| Scottish Water Horizons Holdings Limited Director • Director | 30 Nov 2011←6 Years→31 Mar 2018 | Active | |
| Scottish Water Business Stream Holdings Limited Director • Director | 12 May 2009←8 Years→31 Mar 2018 | Active | |
| SP Network Connections Limited Director • Managing Director | 19 Sep 2007←2 Years→1 Oct 2009 | Dissolved | |
| Energy Networks Association Limited Director • Chartered Engineer | 1 Feb 2007←2 Years 8 Months→1 Oct 2009 | Active | |
| Northmere Limited Director • Chartered Engineer | 1 Feb 2007←2 Years 9 Months→1 Nov 2009 | Active | |
| SP Transmission Plc Director • Chartered Engineer | 31 Jan 2007←2 Years 8 Months→1 Oct 2009 | Active | |
| SP Distribution Plc Director • Chartered Engineer | 31 Jan 2007←2 Years 8 Months→1 Oct 2009 | Active | |
