| A2Z Complete Care Ltd | Southall | 2025 |
| A2Z Skip Hire Limited | Stockport | 2022 |
| A3 Excavations Ltd | Woking | 2020 |
| A3 Waste Management Ltd | Bushey | 2018 |
| A4 Asbestos Limited | Bath | 2014 |
| A4 Asbestos Services Ltd | Bath | 2025 |
| A4 Metal Recycling Limited | Basingstoke | 2006 |
| A4 Skip Hire Limited | Basingstoke | 2014 |
| A4 Waste Disposal Services Limited | London | 2021 |
| AA & Textiles Ltd | South Shields | 2026 |
| AA Asbestos Limited | Leighton Buzzard | 2020 |
| AA Battery Recycling Limited | Nuneaton | 2015 |
| AA Kwik Skips Limited | Canvey Island | 2025 |
| AA Recycling Ltd | Milton Keynes | 2018 |
| AA Removals Ltd | Salford | 2023 |
| AA Rubbish Clearance Ltd | Bristol | 2023 |
| AA Rubbish Removal Ltd | Slough | 2026 |
| AA Security Products (North East) Limited | Sunderland | 1994 |
| AA Skip Hire Cumbria Ltd | Carlisle | 2014 |
| AA Specialist Wholesalers Limited | Omagh | 2023 |
| AA Tyre Recycling UK Ltd | | 2002 |
| AA Waste Management Limited | London | 2026 |
| AA Waste Mgmt Limited | London | 2026 |
| AA Waste Services Northampton Ltd | Wellingborough | 2025 |
| AA Waste Solutions Ltd | Skelmersdale | 2023 |
| AA Whiteways Auto Breakers Limited | Leeds | 2013 |
| AAA Recycling Ltd | Hayes | 2022 |
| AAA Waste Ltd | Camberley | 2019 |
| AAA Waste Management Limited | London | 2021 |
| Aaasha Trading Ltd | Hamilton | 2025 |
| AAB Cheap Skips Ltd | Colchester | 2025 |
| Aagio Company Limited | Coventry | 2026 |
| AAK Recruitment Ltd | Southall | 2025 |
| AAP Waste Clearance Ltd | Witham | 2012 |
| Aaraav Metal Recycling Ltd | Rotherham | 2016 |
| Aardvark Aggregates Ltd | Exeter | 2022 |
| Aardvark EM Limited | Ottery St Mary | 1997 |
| Aaron Grab and Skip Hire Ltd | Portsmouth | 2015 |
| Aaron Mcnamara Limited | Ashford | 2025 |
| Aarons Waste Management Services Limited | Bideford | 2025 |
| AB Autoparts Ltd | Peterborough | 2020 |
| AB Clearance & Property Services Ltd | Scunthorpe | 2026 |
| AB Clearances Ltd | Porth | 2013 |
| AB Environmental Solutions Ltd | Mansfield Woodhouse | 2011 |
| AB Findings Ltd | Preston | 2018 |
| AB Group Solutions Ltd | Hook | 2026 |
| AB Infrastructure Ltd | Liverpool | 2018 |
| AB Pipeline Services Limited | Liphook | 2002 |
| AB Recycle UK Ltd | Ilford | 2024 |
| AB Removals UK Ltd | Bridgend | 2024 |
| AB Services Ltd | Bridgend | 2021 |
| AB Skip Hire Ltd | Thatcham | 2025 |
| AB Waste Disposal Limited | Mansfield | 1997 |
| AB Waste Removal Ltd | Plymouth | 2023 |
| AB Waste Solutions Ltd | Bodmin | 2016 |
| AB1TECH Ltd | Stourbridge | 2020 |
| Abacus (Bristol) Limited | Bristol | 1988 |
| Abacus Drainage Services (South West) Limited | Newton Abbot | 2013 |
| Abacus Enviro Ltd | Windsor | 2026 |
| Abacus House Clearance Ltd | London | 2021 |
| ABAN1 Solutions Limited | Romford | 2025 |
| Abastra Environmental Ltd | Chadwell Heath | 1989 |
| Abba Cleansing Ltd | Axminster | 2010 |
| Abba Delight Limited | Salford | 2025 |
| Abbas Cabins Limited | Poole | 2005 |
| Abbey Drains Ltd | Bishop'S Stortford | 2002 |
| Abbey Grab BAG Ltd | Southampton | 2021 |
| Abbey Metal Ltd | Dalry | 2014 |
| Abbey OIL Waste Ltd | Leeds | 2023 |
| Abbey Skip Hire Ltd | Manchester | 2011 |
| Abbey Waste Control Limited | Great Yarmouth | 2002 |
| Abbeyfield Waste Ltd | Saffron Walden | 2016 |
| Abbeygate Drain Care Limited | Ashford | 2006 |
| Abbott Grab Hire Ltd | Bristol | 2019 |
| Abbott Skip Hire Limited | Bristol | 2012 |
| Abby Waste Services Limited | Watford | 2016 |
| ABC Bins Ltd | Craigavon | 2022 |
| ABC Business Trading Ltd | Birmingham | 2016 |
| ABC Financial Ltd | Manchester | 2024 |
| ABC Skip Hire Limited | Birmingham | 2015 |
| ABC Waste Management Ltd. | Craigavon | 2010 |
| ABC Waste Removal Ltd | London | 2024 |
| Abee Asbestos Removal Ltd | Loughton | 2018 |
| Abel Drainage Ltd | Dunoon | 2020 |
| Abel Skip Hire Limited | Northampton | 2007 |
| Abell Oils & Fats Ltd. | Bromham | 2013 |
| Aberconwy Developments Limited | Llanrwst | 1993 |
| Aberdeen City Metals Limited | Aberdeen | 2023 |
| Aberdeen Environmental Services Limited | Stepps | 1999 |
| Aberdeen Plumbing Services Limited | Aberdeen | 2002 |
| Aberhill Metals Limited | Cupar | 1986 |
| Abertawe Metal Recycling Limited | Swansea | 2014 |
| Aberystwyth Heat & Power Ltd | Aberystwyth | 2017 |
| Abfall Group Ltd | Crawley | 2021 |
| Abfall Waste Management Ltd | Crawley | 2024 |
| ABH Asset Services Ltd | Droitwich | 2014 |
| Able Drainage Limited | Plymouth | 1999 |
| Able UK Limited | Haverton Hill Road | 1989 |
| Able Waste Services Limited | Croydon | 2012 |
| Aborn Technology Limited | London | 2022 |