| Company | Timeline | Status | |
| Harbour Advisory Limited Director • Unreported | 6 Feb 2025←9 Months→Current | Active | |
| Routh Enterprise Limited Director • Unreported | 19 Nov 2021←3 Years→Current | Active | |
| Michael Routh Consulting Ltd Director • It Consultant | 8 Apr 2015←7 Years→21 Jun 2022 | Dissolved | |
