| Company | Timeline | Status | |
| Ballater (RD) Limited Director • Consultant Engineer | 22 Nov 2018←6 Years→Current | Active | |
Coldstone Engineering Services Ltd Director • Principal Instrument Engineer | 3 Mar 2015←2 Years 7 Months→3 Oct 2017 | Dissolved | |
Brookson (5059H) Limited Director • Principal Systems Designer | 5 Apr 2007←10 Years→4 Apr 2017 | Dissolved | |
