| West Lothian Grab Hire Ltd | Livingston | 2025 |
| West Midland Ltd | Hinckley | 2018 |
| West Midlands Biomass Ltd | Wolverhampton | 2023 |
| West Midlands Filtration Limited | Tamworth | 2019 |
| West Norfolk Recycling Limited | King'S Lynn | 2021 |
| West Norfolk Waste Services Ltd | Ely | 2023 |
| West Northamptonshire Norse Limited | Norwich | 2017 |
| West of Scotland Casings Ltd | Paisley | 2014 |
| West Oils Environmental Limited | Redditch | 2003 |
| West Pitt Farm Water Limited | Tiverton | 2015 |
| West Sussex Drains Ltd | Chichester | 2017 |
| West Tosberry Water Services Ltd | Bideford | 2022 |
| West Wales Waste Limited | Pembroke Dock | 2018 |
| West Waste Management Ltd | London | 2020 |
| West Wight Mini Skips Limited | Sandown | 2002 |
| West Wight Skips Ltd | Newport | 2024 |
| Westacombe Barns Drainage Management Limited | Barnstaple | 1994 |
| Westafricaenrg Ltd | London | 2012 |
| Westback Limited | Morecambe | 2005 |
| Westbrook Recycling Limited | Sheffield | 2008 |
| Westchem Services Limited | Lancaster | 2010 |
| Westcombe Waste Ltd | Somerton | 1987 |
| Westcorn Enviro Waste Ltd | Somerset | 2007 |
| Westcountry Asbestos Removal Ltd | Exeter | 2025 |
| Westcountry Waste Management Limited | Harrogate | 2005 |
| Westcross Environmental Services Ltd | Lutterworth | 2019 |
| Westech Process Equipment UK Limited | London | 2012 |
| Westend Textiles Recycling Limited | Tipton | 2010 |
| Westerham Drainage Limited | Westerham | 2015 |
| Western Skip Hire Ltd | Bath | 2023 |
| Western Tyres Holdings Limited | Avonmouth | 1978 |
| Western Tyres Limited | Avonmouth | 1988 |
| Western Waste Limited | Hayle | 2001 |
| Westfield Group UK Limited | Romsey | 2007 |
| Westfields Limited | Wiltshire | 1998 |
| Westgrove Shop Design Limited | | 1988 |
| Westminster Refining Limited | Potters Bar | 2009 |
| Westminster Waste Limited | Herts | 2010 |
| Westmoor Waste Management Limited | Harpenden | 2024 |
| Westmoreland Waste Recycling Limited | Balby Doncaster | 2000 |
| Weston Court Barns Management Ltd | Pembridge | 2021 |
| Westonbirt Water Services Ltd | Holsworthy | 2025 |
| Westpoint Environmental Limited | Northallerton | 2009 |
| Westridge Waste Management Limited | Newport | 2013 |
| Westside Logistics Ltd | London | 2021 |
| Westsidewaste Ltd | Birmingham | 2025 |
| Westway Group Ltd | Southend-On-Sea | 2018 |
| Westway London Ltd | Ruislip | 2017 |
| Westwood Environmental Limited | Beverley | 2022 |
| WET Environmental Ltd | Warwick | 2014 |
| WET Water & Environmental Technologies Limited | Warwick | 2018 |
| Wetakeanyjunk Ltd | Warlingham | 2024 |
| Wetakeanywaste Limited | Epping | 2024 |
| Wetherby Skip Services Limited | Wetherby | 1999 |
| Wexham Industrial Limited | Northchapel | 1998 |
| Wextour International Ltd | Chesham | 2024 |
| Weybridge Environmental Services Ltd | Guildford | 2016 |
| Weybridge Group Services Limited | West Byfleet | 2016 |
| Weybridge Skip Hire Limited | West Byfleet | 2005 |
| Weybridge Waste Ltd | Marlow | 2026 |
| Weybridge Waste Management Limited | Byfleet | 2026 |
| WEZ Waste Services Ltd | Bridgend | 2023 |
| WGC Metals Limited | Hertford | 2009 |
| WGH Group Limited | Swindon | 2011 |
| WGR Limited | Nantwich | 2004 |
| WGS Waste Management Limited | Tonbridge | 2013 |
| WH Recycling Ltd | Sutton Coldfield | 2025 |
| Wharf Metals Ltd | Grays | 2020 |
| What a Load of Rubbbish Limited | Girvan | 2023 |
| What a Load of Rubbish Limited | London | 2007 |
| What Rubbish Bristol Ltd | Bristol | 2016 |
| What Skip Limited | Peterborough | 2024 |
| What Waste Code Ltd | Nottingham | 2024 |
| What Waste Services Ltd | London | 2018 |
| Whatever Gone Ltd | London | 2025 |
| Whatever Waste Ltd | London | 2018 |
| Wheal Alfred Metal Recycling Ltd | Hayle | 2003 |
| Wheal Jane Limited | Truro | 1999 |
| Wheat Display & Exhibitions Limited | London | 1995 |
| Wheel-E-Clean (GB) Limited | St Albans | 1995 |
| Wheeldon Brothers Waste Limited | Bury | 1965 |
| Wheelie Clean (UK) Limited | Stockport | 1995 |
| Wheelie Clean Commercial Ltd | Stockport | 2002 |
| Wheelie Fresh Bins Ltd | Cambridge | 2007 |
| Wheelie Waste Ltd | Birmingham | 2025 |
| Wheelplus Ltd | London | 2024 |
| Whelan Irrigation Services Limited | Wimborne | 2020 |
| Whelan Refining Limited | Staffordshire | 2005 |
| Whirlwind Facilities Management Ltd | Derby | 2024 |
| Whispering Meadows Limited | Waterlooville | 2003 |
| White Land Solutions Ltd | Ashford | 2015 |
| White Recycling Limited | Manchester | 1958 |
| White Rose Clearances Ltd | Shipley | 2025 |
| White Swan Property Management Ltd | London | 2019 |
| White Waste Limited | London | 2012 |
| White Water Construction Ltd | Wolverhampton | 2024 |
| White's Waste Management Ltd | Kingsbury | 2021 |
| Whiteball Landfill Limited | Taunton | 1996 |
| Whiteford Geoservices Ltd | Straid | 2002 |
| Whitehead Restoration Ltd | Manchester | 2014 |