| Company | Timeline | Status | |
| M J Harrison HV Safety Solutions Limited Director • Unreported | 16 Feb 2023←2 Years 8 Months→Current | Active | |
| TLH Aim Ltd Director • Health & Safety Consultant | 22 Sep 2020←5 Years→Current | Active | |
| MJH Aim Ltd Director • Health & Safety Consultant | 21 Sep 2020←5 Years→Current | Active | |
| M H Aim Ltd Director • Health & Safety Consultant | 18 Apr 2017←5 Years→20 Sep 2022 | Dissolved | |
| M J Harrison HV Safety Solutions Limited Director • Unreported | 23 Jan 2014←7 Years→17 Dec 2021 | Active | |
