| Company | Timeline | Status | |
| McQuilkin & Co Limited Director • Company Director | 30 Apr 2015←10 Years→Current | Active | |
| North England Laboratory Supplies Ltd Secretary • Unreported | 10 Nov 2000←22 Years→18 Jan 2023 | Active | |
| Laboratory Specialist Services (UK) Limited Director • Director | 4 Jun 1993←32 Years→Current | Active | |
