| Company | Timeline | Status | |
| Sutcliffe Speakman Carbons Limited Director • Unreported | 1 Oct 2007←18 Years→16 Dec 2025 | Dissolved | |
| Waterlink (UK) Holdings Limited Director • Unreported | 1 Oct 2007←18 Years→13 Jan 2026 | Dissolved | |
| Lakeland Processing Limited Director • Unreported | 1 Oct 2007←18 Years→23 Dec 2025 | Dissolved | |
| Sutcliffe Speakman Limited Director • Unreported | 1 Oct 2007←18 Years→6 Jan 2026 | Dissolved | |
| Charcoal Cloth Limited Director • Unreported | 1 Oct 2007←18 Years→16 Dec 2025 | Dissolved | |
| Chemviron Carbon Limited Director • Director | 1 Oct 2007←18 Years→Current | Active | |
| Sutcliffe, Speakmanco 5 Limited Director • Unreported | 1 Oct 2007←18 Years→16 Dec 2025 | Dissolved | |
| Sutcliffe Croftshaw Limited Director • Unreported | 1 Oct 2007←18 Years→16 Dec 2025 | Dissolved | |
| Charcoal Cloth (International) Limited Director • Unreported | 1 Oct 2007←18 Years→16 Dec 2025 | Dissolved | |
| Minteq UK Limited Director • Finance Director | 12 Jul 2007←24 Days→5 Aug 2007 | Active | |
