| Company | Timeline | Status | |
| Costain Engineering Limited Director • Commercial Director | 7 Feb 2025←10 Months→Current | Active | |
| Costain Energy Solutions Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Cogap (Middle East) Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Civil Engineering Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Engineering & Construction (Overseas) Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Engineering & Construction Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Integrated Technology Solutions Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Building & Civil Engineering Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Costain Oil, Gas & Process Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
| Lysander Services Limited Director • Director | 8 Jul 2024←1 Year 5 Months→Current | Active | |
