| Company | Timeline | Status | |
| Highland Training Centre Ltd Secretary • Unreported | 29 Mar 2004←19 Years→20 Feb 2024 | Dissolved | |
| Highland Os Group Ltd Secretary • Unreported | 29 Mar 2004←21 Years→Current | Active | |
| Highland Rope Access - Inspection Limited Secretary • Unreported | 29 Mar 2004←21 Years→Current | Active | |
| Highland Rope Access - Inspection Limited Secretary • Unreported | 30 Jun 2000←2 Years 5 Months→1 Dec 2002 | Active | |
