| Additions Construction Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Additions Construction Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Additions Construction Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adelaide Heath Academy | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| Adelie Foods Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adelie Foods Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adelphi Developments Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adelphi Developments Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adelphi Engineering & Construction Limited | | | workplace safety or health violation | 2011 | UK-HSE | £8,000 |
| Adelphi Engineering & Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adelphi Engineering & Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adelphi Engineering & Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adelphi Engineering & Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adelphi Engineering & Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adept Retail Manufacturing Solutions Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Adept Retail Manufacturing Solutions Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| ADF Construction and Developments Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| ADF Construction and Developments Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| ADF Construction and Developments Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adfab Engineering Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Adhectic Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Adhectic Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Adhectic Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adhectic Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adhere Industrial Tapes Limited | | | workplace safety or health violation | 2011 | UK-HSE | £16,807 |
| ADI Building & Refurbishment Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| ADI Constructions London Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| ADI Pro Leak Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Adient Seating UK Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adient Seating UK Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adies York Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Adies York Ltd | | | workplace safety or health violation | 2024 | UK-HSE | £0 |
| Adis Scaffolding Limited | | | workplace safety or health violation | 2013 | UK-HSE | £424,468 |
| ADJ Surfacing and Consultancy Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adkins Bakery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adkins Bakery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adkins Bakery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| ADL Joinery Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| ADL Joinery Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adler and Allan Limited | | | workplace safety or health violation | 2013 | UK-HSE | £3,035 |
| Adler and Allan Limited | | | workplace safety or health violation | 2013 | UK-HSE | £33,167 |
| Adlington St Paul's Church of England Primary School | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| ADM Automation Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| ADM Construct Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| ADM Construct Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| ADM Milling Limited | Archer Daniels Midland | agribusiness | workplace safety or health violation | 2019 | UK-HSE | £0 |
| ADM Roofing Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Admac (NI) Limited | | | workplace safety or health violation | 2016 | UK-HSENI | £0 |
| Admac (NI) Limited | | | workplace safety or health violation | 2016 | UK-HSENI | £0 |
| Admec Municipal Services Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Adminglade Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adminglade Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adminglade Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adminglade Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adminglade Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Adnor Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adnun Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| ADP Building Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| ADP Building Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| ADP Building Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| ADP Building Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adray Plastics Limited | | | workplace safety or health violation | 2013 | UK-HSE | £8,646 |
| Adreco Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Adreco Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Adrian Eves Joinery Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Adrian Reid Homes | | | workplace safety or health violation | 2019 | UK-HSENI | £0 |
| ADS Demolition Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| ADS2 Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| ADS2 Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adsett Trading Co Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Adston (UK) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adston (UK) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Adstone Construction Limited | | | workplace safety or health violation | 2010 | UK-HSE | £206,099 |
| ADV Brightware Manufacturing Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| ADV Brightware Manufacturing Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Advance Builders Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Advance Builders Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Advance Digital Graphics Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Advance Display Limited | | | workplace safety or health violation | 2010 | UK-HSE | £17,678 |
| Advance Door Engineering Ltd | | | workplace safety or health violation | 2013 | UK-HSE | £1 |
| Advance Education | | | childcare and educational services violation | 2023 | UK-OFSTED | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Advance Engineering (UK) Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Advance Engineering Services Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
