| Aeromedical Evacuation (Medivac) | | | environmental violation | 2017 | UK-EA | £14,631 |
| Aeroservicios Eje | | | environmental violation | 2017 | UK-EA | £1,780 |
| Aesica Queenborough Limited | | | environmental violation | 2020 | UK-EA | £0 |
| Affinity Water | Daiwater Investment Limited | utilities and power generation | water pollution violation | 2022 | UK-DWI | £0 |
| Affinity Water Limited | Daiwater Investment Limited | utilities and power generation | water pollution violation | 2018 | UK-EA | £110,000 |
| AFH Stores (UK) Ltd | | | environmental violation | 2012 | UK-EA | £0 |
| AFH STORES (UK) LTD | | | environmental violation | 2011 | UK-EA | £0 |
| AFH Stores UK Limited | | | environmental violation | 2015 | UK-EA | £1,811 |
| Afon Las Hydro Limited | | | Environmental Violation | 2017 | UK-NRW | £18,860 |
| Aggregate Industries UK Limited | Holcim Group | building materials | climate change regime violation | 2017 | UK-EA | £19,242 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2017 | UK-EA | £733 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,500 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,500 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,500 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,000 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,000 |
| Aggregate Industries UK Limited | Holcim Group | building materials | environmental violation | 2015 | UK-EA | £1,000 |
| AGGREGATE INDUSTRIES UK LIMITED | Holcim Group | building materials | environmental violation | 2011 | UK-EA | £0 |
| AGGREGATE INDUSTRIES UK LIMITED | Holcim Group | building materials | environmental violation | 2012 | UK-EA | £0 |
| Aggregates Express Ltd | | | Environmental Violation | 2023 | UK-NRW | £0 |
| Agrivert Limited | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2014 | UK-EA | £0 |
| Agrivert Limited Registered Company | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2013 | UK-EA | £0 |
| Agrivert Limited Registered Company | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2013 | UK-EA | £0 |
| AGRIVERT LTD | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2011 | UK-EA | £0 |
| AGRIVERT LTD | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2012 | UK-EA | £0 |
| AGRIVERT LTD | Agrivert Limited | miscellaneous energy products and systems | environmental violation | 2011 | UK-EA | £0 |
| Agropecuaria Santana Do Deserto Ltda. | | | environmental violation | 2017 | UK-EA | £1,865 |
| Ainscough Skip Hire Limited | | | environmental violation | 2016 | UK-EA | £10,000 |
| Ainscough Skip Hire Limited | | | environmental violation | 2016 | UK-EA | £10,000 |
| Ainscough Skip Hire Limited | | | environmental violation | 2016 | UK-EA | £10,000 |
| AINSCOUGH SKIP HIRE LIMITED | | | environmental violation | 2010 | UK-EA | £12,000 |
| Air India Ltd | | | environmental violation | 2015 | UK-EA | £12,377 |
| Airfield Metals Limited | | | Environmental Violation | 2022 | UK-NRW | £0 |
| AJ & CJ Powell & Son | | | Environmental Violation | 2020 | UK-NRW | £0 |
| AJ Busby Limited | | | environmental violation | 2020 | UK-EA | £0 |
| AJ Grab Hire Limited | | | environmental violation | 2018 | UK-EA | £0 |
| AJS (Devon) Ltd | | | environmental violation | 2016 | UK-EA | £0 |
| AJS (Devon) Ltd | | | environmental violation | 2016 | UK-EA | £0 |
| Akhtar Waste and Energy Developments Ltd Registered Company | | | environmental violation | 2015 | UK-EA | £0 |
| Akhtar Waste and Energy Developments Ltd Registered Company | | | environmental violation | 2018 | UK-EA | £0 |
| AKM Recycling Limited Registered Company | | | environmental violation | 2018 | UK-EA | £0 |
| AKM Recycling Limited Registered Company | | | environmental violation | 2018 | UK-EA | £0 |
| AKQUA COMPANY LIMITED | | | environmental violation | 2012 | UK-EA | £0 |
| Al Rushaid Aviation Ltd | | | environmental violation | 2016 | UK-EA | £3,645 |
| ALANS SKIP HIRE NORTHWEST LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALANS SKIP HIRE NORTHWEST LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALBADEN SERVICES LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| Albaden Services Limited | | | environmental violation | 2015 | UK-EA | £2,700 |
| Albany Homes International Ltd | | | environmental violation | 2015 | UK-EA | £100,000 |
| ALBANY WASTE SERVICES LTD | | | environmental violation | 2011 | UK-EA | £0 |
| ALBANY WASTE SERVICES LTD | | | environmental violation | 2012 | UK-EA | £0 |
| ALBANY WASTE SERVICES LTD | | | environmental violation | 2011 | UK-EA | £0 |
| Albert Bartlett and Sons (Airdrie) Ltd | | | environmental violation | 2021 | UK-EA | £14,000 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2012 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £100,000 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2013 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2010 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2010 | UK-EA | £0 |
| ALBERT HILL SKIP HIRE LIMITED | | | environmental violation | 2010 | UK-EA | £0 |
| Albon Engineering and Manufacturing | | | environmental violation | 2017 | UK-EA | £5,000 |
| Alchem (Merseyside) Limited | | | environmental violation | 2014 | UK-EA | £0 |
| Aldermaston Recycling Limited | | | environmental violation | 2013 | UK-EA | £0 |
| ALDERMASTON RECYCLING LIMITED | | | environmental violation | 2010 | UK-EA | £0 |
| Aldermaston Recycling Limited Registered Company | | | environmental violation | 2019 | UK-EA | £0 |
| ALDO UK Limited | | | environmental violation | 2019 | UK-EA | £10,549 |
| Aldridge Scrap Metal Limited Registered Company | | | environmental violation | 2016 | UK-EA | £0 |
| Aldridge Scrap Metal Limited Registered Company | | | environmental violation | 2018 | UK-EA | £0 |
| Alex McKenzie & Partners | | | environmental violation | 2018 | UK-SEPA | £600 |
| ALEX SMILES LIMITED | | | environmental violation | 2014 | UK-EA | £0 |
| Alexander Design Build Ltd | | | Environmental Violation | 2022 | UK-NRW | £0 |
| Alfred G Pearce Limited | | | environmental violation | 2017 | UK-EA | £12,000 |
| ALL METAL RECYCLING LIMITED | | | environmental violation | 2013 | UK-EA | £2,000 |
| All Pallets Limited | | | environmental violation | 2019 | UK-EA | £43,183 |
| ALL WASTE MATTERS LIMITED | | | environmental violation | 2010 | UK-EA | £0 |
| ALLBINS SKIP HIRE LIMITED | | | environmental violation | 2012 | UK-EA | £0 |
| Allen’s Caravans Estates Ltd | | | Environmental Violation | 2021 | UK-NRW | £0 |
| Allens Waste Disposal Limited | | | environmental violation | 2022 | UK-EA | £0 |
| Allensway Recycling Ltd | | | environmental violation | 2016 | UK-EA | £0 |
| ALLIED PLANT LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALLIED PLANT LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALLIED PLANT LIMITED | | | environmental violation | 2011 | UK-EA | £0 |
| ALLIED PLANT LIMITED | | | environmental violation | 2014 | UK-EA | £1,666 |
| ALLISON HOMES EASTERN LIMITED | | | environmental violation | 2010 | UK-EA | £6,000 |
| Allma Construction Limited | | | environmental violation | 2016 | UK-SEPA | £4,000 |
| Allplast Solutions Limited | | | environmental violation | 2022 | UK-EA | £0 |
| Allport Metal Recycling Ltd | | | Environmental Violation | 2021 | UK-NRW | £0 |
| Allstone Sands Gravels Aggregates Trading Co. Ltd Registered Company | | | environmental violation | 2013 | UK-EA | £0 |
| Allstone Sands Gravels Aggregates Trading Company Limited Registered Company | | | environmental violation | 2014 | UK-EA | £0 |
| Alpha Recovery Limited | | | environmental violation | 2021 | UK-EA | £0 |
| Alpha Technologies, Inc | | | environmental violation | 2017 | UK-EA | £5,001 |
