| Company | Timeline | Status | |
| Assure Alarms Limited Director • Electrical Retailer | 6 Aug 1992←1 Year 10 Months→29 Jun 1994 | Active | |
| Linbruce Finance Limited Director • Electrical Engineer | 30 Sep 1989←33 Years→24 Jan 2023 | Dissolved | |
| Frank Craig Limited Director • Electrical Engineer | 30 Nov 1988←33 Years→1 Oct 2022 | Active | |
