| Company | Timeline | Status | |
| Inertia Consulting (Scotland) Limited Director • Chartered Civil Engineer | 2 Jul 2024←1 Year 5 Months→Current | Active | |
| Inertia Consulting (Civil Engineering) Limited Director • Civil Engineering | 28 Jul 2021←4 Years→Current | Active | |
| Inertia Consulting (North) Limited Director • Civil Engineering | 28 Jul 2021←4 Years→Current | Active | |
| Inertia Consulting (South) Limited Director • Civil Engineer | 28 Jul 2021←4 Years→Current | Active | |
| Inertia Consulting Limited Director • Civil Engineer | 15 Nov 2006←19 Years→Current | Active | |
