| Company | Timeline | Status | |
| Chalmers Soft Strip Limited Director • Director | 5 Mar 2024←1 Year 9 Months→Current | Active | |
| Chalmers And Sons Demolition Limited Director • Managing Director | 19 Dec 2018←7 Years→Current | Active | |
| Chalmers & Sons (Scotland) Limited Director • Asbestos Contrctor | 9 May 2005←20 Years→20 Sep 2025 | Dissolved | |
