| Company | Timeline | Status | |
| Humshaugh Net Zero Cic Director • Company Director | 1 Nov 2025←2 Months→Current | Active | |
Redpath Energy Limited Director • Engineer | 13 Mar 2014←4 Years→27 Apr 2018 | Dissolved | |
| Ne Energy One Limited Director • Engineer | 20 Feb 2013←2 Years 11 Months→29 Jan 2016 | Active | |
| Grainger Engineering Ltd Director • Engineer | 13 Nov 2012←8 Years→23 Mar 2021 | Dissolved | |
Hexham Wind Limited Director • Director | 29 Mar 2000←18 Years→21 Aug 2018 | Dissolved | |
| Vattenfall Heat UK Limited Director • Wind Farm Engineer | 21 Jul 1994←5 Years→31 Mar 2000 | Active | |
| Eclipse Power Distribution Limited Director • Unreported | 16 Jul 1992←7 Years→31 Mar 2000 | Active | |
| Vattenfall Network Solutions Ltd Director • Engineer | 2 Mar 1992←8 Years→31 Mar 2000 | Dissolved | |
| Hainsford Energy (Blyth Harbour) Limited Director • Unreported | 29 Apr 1991←13 Years→22 Sep 2004 | Active | |
