| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | CHASE MEADOW CONSORTIUM LIMITED | — | Dissolved | 28/05/2026 – 11/02/2015 |
| Officer | SPENCER BRIDGE ENGINEERING LIMITED | — | Active | 12/05/2026 – present |
| Officer | ENGINEERING AND DESIGN SERVICES GROUP LTD | — | Active | 07/04/2026 – present |
| Officer | LAYER8 IT LIMITED | — | Active | 07/04/2026 – present |
| Officer | CONSTRUCTION PLANT AND SITE SERVICES GROUP LTD | — | Active | 07/04/2026 – present |
| Officer | SLIPFORM ENGINEERING LTD | 🇬🇧Regno Unito | Active | 17/05/2026 – 21/03/2023 |
| Officer | SPENCER BUILDING & CIVIL ENGINEERING LTD | — | Active | 07/04/2026 – present |
| Officer | SPENCER PROFESSIONAL SERVICES LIMITED | — | Active | 07/04/2026 – present |
| Officer | ENERGY WORKS (HULL) LIMITED | 🇬🇧Regno Unito | Active | 08/04/2026 – 20/11/2015 |
| Officer | AEROTRUSS LIMITED | — | Active | 05/01/2026 – present |
| Officer | BRAWLEY CONSTRUCTION LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – present |
| Officer | OUTSOURCE RESOURCE LIMITED | — | Active | 16/03/2026 – present |
| Officer | ASBESTOS AWARENESS AND IDENTIFICATION SERVICES LIMITED | 🇬🇧Regno Unito | Active | 19/01/2026 – present |
| Officer | C SPENCER ENVIRONMENTAL LIMITED | 🇬🇧Regno Unito | Active | 05/01/2026 – present |
| Officer | SPENCER RAIL ENGINEERING LIMITED | 🇬🇧Regno Unito | Active | 17/12/2025 – present |
21/03/2023
resigned
20/11/2015
resigned
07/08/2003
appointed