| Company | Timeline | Status | |
| Longwear Surface Treatments Limited Director • Unreported | 15 Feb 2024←1 Year 9 Months→Current | Active | |
| Malcolm Knowles (Heat Treatment) Limited Director • Company Secretary | 23 Jun 1998←26 Years→21 Jan 2025 | Dissolved | |
| Malcolm Knowles (Heat Treatment) Limited Secretary • Company Secretary | 23 Jun 1998←26 Years→21 Jan 2025 | Dissolved | |
