| Company | Timeline | Status | |
| MRF Contracting Limited Director • Contractor | 20 Mar 2024←1 Year 7 Months→Current | Active | |
| Robert Montgomery LLP Designated LLP Member • Unreported | 15 Feb 2013←12 Years→Current | Active | |
Archie Montgomery LLP Designated LLP Member • Unreported | 1 Jun 2007←9 Years→20 Sep 2016 | Dissolved | |
