| DMS (UK) Ltd | Hatfield | 2012 |
| DMS Mechanical Solutions Ltd | Peterborough | 2022 |
| DMS Property Renovation Ltd | Cirencester | 2011 |
| DMS Services Group Ltd | Tonbridge | 2025 |
| DMS Water Services Ltd | London | 2025 |
| DMV Man&Van Ltd | Croydon | 2023 |
| DN Engineering Ltd | Polegate | 2020 |
| DNA Waste Ltd | Coatbridge | 2026 |
| DNA Waste Solutions Ltd | London | 2024 |
| Dnenviro (Technologies) Ltd | Budleigh Salterton | 2013 |
| DNK Recycle Ltd | Leicester | 2026 |
| DNT Group Limited | Oswestry | 2005 |
| DO What IT Takes Global Ltd | London | 2020 |
| Dockgrange Limited | Kent | 1988 |
| Docklands Waste Disposal Limited | Grays | 1989 |
| Dockside Salvage Limited | Liverpool | 2023 |
| Dockyard Trading Limited | Manchester | 2025 |
| Doctor Junk Ltd | Glasgow | 2022 |
| Document and Data Shred Limited | Stockport | 2006 |
| Document Destruction Limited | Basildon | 2016 |
| DOD I BEN CYF | Llanybydder | 2015 |
| Dodds Howe Sewage Treatment Plant Limited | Kendal | 1995 |
| DOE Metal Recycling Limited | Lowestoft | 2006 |
| Doghill Quarry Limited | Oldham | 2013 |
| Doherty Grab Services Limited | Loughborough | 2025 |
| Doherty Recycling Ltd | Leighton Buzzard | 2019 |
| Doing Good Network CIC | London | 2026 |
| Dojan Waste Management Services Limited | Ripley | 2003 |
| Dolan Skips & Plant Hire Ltd | Glasgow | 2006 |
| DOM Property Services Ltd | London | 2026 |
| Domestic & Commercial Drain Services Ltd | Bangor | 2005 |
| Domestic and Commercial Local Traders Limited | Birmingham | 2024 |
| Domestic Skip Hire Preston Limited | Preston | 2020 |
| Domestic Waste Services Ltd | Potters Bar | 2025 |
| DOMI247SERVICES Limited | Harrow | 2025 |
| Dommar Services Ltd | London | 2022 |
| Domta Limited | Birmingham | 2023 |
| Donald Ward Limited | Ilkeston | 1976 |
| Donate Furniture Ltd | Edinburgh | 2022 |
| Donate IT Recycling Limited | Southampton | 2020 |
| Donate My Recycling CIC | Fulham | 2022 |
| Doncaster Skip Services Limited | Doncaster | 2024 |
| Donlane Limited | Moreton-In-Marsh | 1997 |
| Donovans Waste Management Ltd | Welling | 2021 |
| DOO DOO Duty Ltd | Aberdeen | 2024 |
| Doohan Waste and Recycling Limited | London | 2024 |
| Doohan's Grab Hire Limited | Derby | 2007 |
| Doonin Plant Limited | Glasgow | 1961 |
| DOOR2DOORRAGS Ltd | Bradford | 2020 |
| Doorstep Glass Recycling Ltd | Dundee | 2020 |
| Dorcasia Limited | | 1932 |
| Dorchester Waste Paper Limited | Dorchester | 2007 |
| Dorian Plant Limited | West Drayton | 2013 |
| Dormer Grab Services Ltd | Hemel Hempstead | 2018 |
| Dormer Skip Hire Limited | Redditch | 2021 |
| Dorset Countryside Services Ltd | Sturminster Newton | 2025 |
| Dorset Drainage Services (UK) Ltd | Wimborne | 2008 |
| Dorset Legionella Ltd | Poole | 2025 |
| Dorset Probate & Property Clearance Ltd | Poole | 2026 |
| Dorset Scrapstore | Poole | 1999 |
| Dorset Waste Limited | Weymouth | 2022 |
| Dorset Waste Removal Limited | Stoke-Sub-Hamdon | 2022 |
| Dorset Waste Solutions Limited | Loughton | 2025 |
| Double Green Limited | Ingatestone | 2025 |
| Double T Glass Limited | James Nicholson Link | 2001 |
| Doubleblaze Limited | Portrack Stockton On Tees | 1986 |
| Dove Routing Limited | West Sussex | 1988 |
| Dovenor Services Limited | Huddersfield | 1992 |
| Doves Hygiene Services Ltd | St. Neots | 2007 |
| Dovorian Limited | Dover | 2025 |
| DOW Group Limited | Cumbernauld | 2005 |
| Dowling & Cosh Ltd | Wells | 2013 |
| Dowling Demo & Recycling Ltd | Gravesend | 2025 |
| Down 2 Earth Services (SW) Limited | Plymouth | 2026 |
| Down Property Care (GMN) Limited | Downpatrick | 2024 |
| Down Property Care Ltd | Downpatrick | 2005 |
| Down the Drain Limited | Sleaford | 2005 |
| Down to Earth Developments Limited | Surrey | 2014 |
| Down to Earth Recycling Ltd. | Gainsborough | 2006 |
| Downland Trading (Kent) Limited | Sittingbourne | 2016 |
| Downs Farm Limited | Cornwall | 2002 |
| DP Drainage Ltd | Belper | 2020 |
| DP Water Solutions Limited | Brentwood | 2016 |
| DPM Recycling Limited | Kingswinford | 2013 |
| DPM Water Technologies Limited | Glasgow | 2004 |
| DPR Removals Ltd | Sheffield | 2019 |
| DPS Drain Clear 247 Limited | Larkhall | 2021 |
| Dpsd Services Limited | Uxbridge | 2025 |
| DPW Recycling Ltd | Cardiff | 2023 |
| DPW Services Ltd | Lytham St. Annes | 2023 |
| Dpwaste Limited | Newport | 2026 |
| DR Junk Ltd | London | 2025 |
| DR LOO Ltd | Barnoldswick | 2026 |
| DR Rubbish MS Ltd | London | 2022 |
| DR Waste (North West) Limited | Accrington | 2024 |
| DR Waste Removal Ltd | Beckenham | 2024 |
| Dracaena Guildford Limited | London | 2019 |
| Dracaena Reading Limited | London | 2019 |
| Dragon Drainage Ltd | Bridgend | 2021 |
| Dragon Mineral Recovery Ltd | Cardiff | 1982 |