| Company | Timeline | Status | |
| Northumbrian Water Pension Trustees Limited Director • Chartered Accountant | 1 Oct 2015←10 Years→Current | Active | |
Calvert Trust Chilterns Foundation Director • Retired | 17 Mar 2014←5 Years→16 Jul 2019 | Dissolved | |
| Kielder Water & Forest Park Development Trust Director • Chartered Accountant | 29 Oct 2010←11 Years→20 Nov 2021 | Active | |
| Northumbria Calvert Trust Director • Chartered Accountant | 8 Apr 2006←19 Years→7 Apr 2025 | Active | |
| Northumbrian Holdings Limited Director • Chartered Accountant | 11 Jul 2005←7 Years→31 Dec 2012 | Active | |
| Bakethin Finance Plc Director • Chartered Accountant | 19 Mar 2004←8 Years→31 Dec 2012 | Active | |
| WSP Environment & Infrastructure Solutions UK Limited Director • Chartered Accountant | 13 Feb 2004←1 Year 7 Months→4 Oct 2005 | Active | |
| Reiver Holdings Limited Director • Chartered Accountant | 30 Sep 2003←9 Years→31 Dec 2012 | Active | |
| Reiver Finance Limited Director • Chartered Accountant | 30 Sep 2003←9 Years→31 Dec 2012 | Active | |
| Northumbrian Services Limited Director • Chartered Accountants | 17 Jun 2003←9 Years→31 Dec 2012 | Active | |
