| Cargo | M A SOLUTIONS (LINDUM) LTD | 🇬🇧United Kingdom | Activa | 11/5/2026 – presente |
| Cargo | LAKESIDE WATER AND BUILDING SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 11/5/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (ARDLEY) LIMITED | — | Activa | 2/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER BIOGAS LIMITED | — | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT (W&S) LIMITED | 🇬🇧United Kingdom | Activa | 10/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT RETAIL AND UTILITY SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
| Cargo | REIGATE ENVIRONMENTAL SERVICES LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER GROUP LIMITED | 🇬🇧United Kingdom | Activa | 14/5/2026 – presente |
| Cargo | SEVERN TRENT SERVICES DEFENCE LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER COMPOSTING LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (ANDIGESTION) LIMITED | 🇬🇧United Kingdom | Activa | 2/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (BRIDGEND) LIMITED | 🇬🇧United Kingdom | Activa | 2/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER CHURCH FARM LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | ETWALL LAND LIMITED | — | Activa | 23/3/2026 – presente |
| Cargo | SEVERN TRENT SOLAR FINANCE LIMITED | 🇬🇧United Kingdom | Activa | 26/5/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (HERTFORDSHIRE) LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT SERVICES (WATER AND SEWERAGE) LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (CW) LIMITED | — | Activa | 6/4/2026 – presente |
| Cargo | WATERTIGHT MANAGEMENT LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (CASSINGTON) LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | MAINS INFRASTRUCTURE CONSTRUCTION LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | MIDLANDS LAND PORTFOLIO LIMITED | — | Activa | 21/5/2026 – presente |
| Cargo | SEVERN TRENT WIND POWER LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | INDUSTRIAL WATER JETTING SYSTEMS HOLDINGS LIMITED | — | Activa | 23/3/2026 – presente |
| Cargo | SEVERN TRENT SERVICES INTERNATIONAL (OVERSEAS HOLDINGS) LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER ATHERSTONE LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SYNERGEN UTILITIES LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | SEVERN TRENT PROPERTY SOLUTIONS LIMITED | — | Activa | 27/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (WALLINGFORD) LIMITED | 🇬🇧United Kingdom | Activa | 14/5/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER LODGE FARM LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (RBWM) LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER CAYTON LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT SERVICES OPERATIONS UK LIMITED | 🇬🇧United Kingdom | Activa | 2/3/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (WEST LONDON) LIMITED | — | Activa | 6/4/2026 – presente |
| Cargo | SEVERN TRENT GREEN POWER (NORTH LONDON) LIMITED | 🇬🇧United Kingdom | Activa | 14/5/2026 – presente |
| Cargo | SYNERGEN HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | WATERTIGHT MANAGEMENT HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | WATERTIGHT HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 23/3/2026 – presente |
| Cargo | SEVERN TRENT SERVICES DEFENCE HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
| Cargo | HOWLETT ASSOCIATES WATER TREATMENT LIMITED | 🇬🇧United Kingdom | Activa | 27/3/2026 – presente |
