| Company | Timeline | Status | |
| Promanex (Construction & Maintenance Services) Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Promanex (Total FM & Environmental Services) Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| CLM Engineering (Overseas) Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Promanex (Civils & Industrial Services) Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Costain Management Design Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Costain Process Construction Limited Director • Group Finance Director | 8 Jul 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Costain Oil, Gas & Process (Overseas) Limited Director • Group Finance Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Construction Limited Director • Unreported | 8 Jul 2024←1 Year 5 Months→9 Dec 2025 | Dissolved | |
| Costain International Limited Director • Group Finance Director | 21 Jun 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
| Westminster Plant Co. Limited Director • Group Finance Director | 21 Jun 2024←1 Year 1 Month→12 Aug 2025 | Dissolved | |
