| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HARDAN PLANT HIRE LTD | 🇬🇧United Kingdom | Active | 20/01/2026 – present |
| Person with significant control | HARDAN PLANT HIRE LTD | 🇬🇧United Kingdom | Active | 15/12/2025 – present |
| Person with significant control | WALKER LETTINGS LTD | 🇬🇧United Kingdom | Active | 01/10/2025 – present |
| Officer | WALKER LETTINGS LTD | 🇬🇧United Kingdom | Active | 20/01/2026 – present |
| Person with significant control | WALKER FOX LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | ENCOMPASS BUILDING SERVICES (NORTHERN) LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | SIMON WALKER SERVICES LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | WALKER COMPANY N/W LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | S WALKER SOLUTIONS LTD | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | MEDICAL & SURGICAL SUPPLY UK LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | IMPEX ESSENTIALS LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – 23/02/2023 |
| Person with significant control | COSMOS SPACE SOLUTIONS LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | CSILAB LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SW MANAGEMENT AND EVENTS LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | MAVERICK GROUP LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | THE JOURNEY CENTRE LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | HIGHER ED LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | TRCF (UK) LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | WALKERS 101 SERVICES LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | NUBA IMPEX LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | CORNUBIAS YARD LTD | 🇬🇧United Kingdom | Dissolved | 24/06/2024 – present |
| Person with significant control | WALKER DEVELOPMENTS (DERBY) LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | DRAGON ADC LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | REGENT MOBILE HOMES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | HARTHILL KITCHENS LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | S WALKER SOLUTIONS LTD | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | SIMONWALKER BUILDING LTD | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | ARDENT CONSTRUCTION SERVICES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | ALCOVE SOLUTIONS LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | SIMON WALKER LIMITED | — | Dissolved | 18/06/2024 – present |
| Person with significant control | RDS ELECTRICAL SERVICES LIMITED | — | Dissolved | 18/06/2024 – present |
| Person with significant control | WALKER FORMWORK LTD | 🇬🇧United Kingdom | Active | 22/06/2024 – present |
| Officer | WALKER FORMWORK LTD | 🇬🇧United Kingdom | Active | 20/01/2026 – present |
| Person with significant control | WALKER PLUMBING AND HEATING SERVICES LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SIMON ANDREW WALKER LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | SIXTYSEVEN CONSULTING LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | CELADIN LIMITED | — | Active | 18/06/2024 – present |
| Person with significant control | SIMPLE VISION LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | ASPECT CONSULTING ENGINEERS LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | ARTISTRA RENOVATIONS LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | BUSY GIFTER LTD | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | KINGSCLIFF CONTRACTING LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SILVER SPARKLE LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | THE GROVE (EALING) MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | DELIVERY SOLUTIONS (DELSOL) LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SIMON WALKER (TRANSPORT) LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | ENDWELL ELECTRICAL SERVICES LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
24/05/2026
United Kingdom → England
23/05/2026
England → United Kingdom
30/06/2016
appointed