| BAM Ferrovial Kier JV | | | workplace safety or health violation | 2014 | UK-HSE | £1,107,337 |
| Wettons Cleaning Services | | | workplace safety or health violation | 2017 | UK-ORR | £1,100,000 |
| Watling Tyre Service Limited (The) | | | workplace safety or health violation | 2016 | UK-HSE | £1,099,486 |
| Enterprise Managed Services Limited | | | workplace safety or health violation | 2016 | UK-HSE | £1,080,476 |
| Network Rail | Network Rail | miscellaneous services | railroad safety violation | 2012 | UK-ORR | £1,060,015 |
| Sheffield Forgemasters Engineering Limited | | | workplace safety or health violation | 2013 | UK-HSE | £1,058,009 |
| Govia Thameslink Railway Ltd | Kinetic Group | miscellaneous services | railroad safety violation | 2019 | UK-ORR | £1,052,267 |
| Creagh Concrete Products Limited | | | workplace safety or health violation | 2023 | UK-HSE | £1,047,521 |
| BUPA Care Services (ANS) Ltd | Bupa | healthcare services | fire safety violation | 2022 | UK-LFB | £1,041,500 |
| Aster Health Care Ltd | | | workplace safety or health violation | 2021 | UK-CPS | £1,040,000 |
| Synergy Housing Limited | Aster Group | miscellaneous services | workplace safety or health violation | 2011 | UK-HSE | £1,040,000 |
| CAV Aerospace Limited | | | workplace safety or health violation | 2014 | UK-HSE | £1,030,351 |
| Greencore Grocery Limited | Greencore Group PLC | food products | workplace safety or health violation | 2013 | UK-HSE | £1,030,000 |
| Glynwed Pipe Systems Ltd | Aliaxis SA | industrial equipment | workplace safety or health violation | 2015 | UK-HSE | £1,027,943 |
| National Grid Gas PLC | National Gas Transmission PLC | utilities and power generation | workplace safety or health violation | 2014 | UK-HSE | £1,026,296 |
| AWE Plc | | | nuclear safety violation | 2018 | UK-ONR | £1,026,096 |
| R K District Heating Limited | | | workplace safety or health violation | 2015 | UK-HSE | £1,015,848 |
| R.K. Civil Engineers Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £1,015,848 |
| DFS Trading Limited | | | workplace safety or health violation | 2015 | UK-HSE | £1,015,099 |
| Balfour Beatty Civil Engineering Limited | Balfour Beatty | construction and engineering | workplace safety or health violation | 2012 | UK-HSE | £1,014,977 |
| Sofidel UK Limited | Sofidel Group | household and personal care products | workplace safety or health violation | 2023 | UK-HSE | £1,013,446 |
| Southampton Container Terminals Limited | | | workplace safety or health violation | 2024 | UK-HSE | £1,011,664 |
| Briar Chemicals Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £1,010,967 |
| Parker Hannifin Manufacturing Limited | Parker-Hannifin | industrial equipment | workplace safety or health violation | 2015 | UK-HSE | £1,006,311 |
| B&M Retail Ltd | B&M European Value Retail S.A. | retailing | workplace safety or health violation | 2022 | UK-HSE | £1,004,978 |
| JTF Wholesale | | | workplace safety or health violation | 2017 | UK-CPS | £1,000,000 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2017 | UK-HSE | £1,000,000 |
| Drayton Manor Park Limited | | | workplace safety or health violation | 2017 | UK-HSE | £1,000,000 |
| Tata Steel UK Limited | Tata Group | diversified | workplace safety or health violation | 2011 | UK-HSE | £1,000,000 |
| Valencia Waste Management Limited | Valencia Waste Management | waste management and environmental services | workplace safety or health violation | 2023 | UK-HSE | £1,000,000 |
| Southern Health NHS Foundation Trust | | | workplace safety or health violation | 2012 | UK-HSE | £988,820 |
| Ensco 10101 Limited fka Shredmet | | | workplace safety or health violation | 2023 | UK-HSE | £987,500 |
| Mid-UK Recycling Limited | | | workplace safety or health violation | 2013 | UK-HSE | £980,000 |
| Jaguar Land Rover Limited | Tata Group | diversified | workplace safety or health violation | 2015 | UK-HSE | £949,869 |
| Moores Turf and Topsoil Limited | | | workplace safety or health violation | 2013 | UK-HSE | £947,792 |
| Western Power Distribution (South West) plc | National Grid | utilities and power generation | workplace safety or health violation | 2013 | UK-HSE | £913,115 |
| Nationwide Platforms Limited | | | workplace safety or health violation | 2023 | UK-HSE | £912,405 |
| Sanctuary Housing Association | | | workplace safety or health violation | 2024 | UK-HSE | £911,480 |
| Capstone Building Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £910,444 |
| Egger (UK) Limited | | | workplace safety or health violation | 2021 | UK-HSE | £910,000 |
| Siemens Energy Limited | Siemens Energy | utilities and power generation | workplace safety or health violation | 2022 | UK-HSE | £906,327 |
| Volvo Group UK Limited | Volvo | motor vehicles | workplace safety or health violation | 2015 | UK-HSE | £905,820 |
| Green North East Trading BidCo Limited | | | workplace safety or health violation | 2016 | UK-HSE | £905,390 |
| BAM Nuttall | Royal BAM Group | construction and engineering | workplace safety or health violation | 2018 | UK-ORR | £903,578 |
| Mitie Tilley Roofing Limited | Mitie Group PLC | business services | workplace safety or health violation | 2023 | UK-HSE | £881,000 |
| Moy Park Limited | JBS | food products | workplace safety or health violation | 2017 | UK-HSE | £878,302 |
| David Wood Baking Limited | | | workplace safety or health violation | 2022 | UK-HSE | £866,000 |
| Wilson James Limited | | | workplace safety or health violation | 2018 | UK-HSE | £861,750 |
| Cwm Taf Morgannwg Health Board | | | workplace safety or health violation | 2022 | UK-HSE | £860,627 |
| BAM Nuttall Limited | Royal BAM Group | construction and engineering | workplace safety or health violation | 2024 | UK-HSE | £860,000 |
| R.J. McLeod (Contractors) Limited | | | workplace safety or health violation | 2023 | UK-HSE | £860,000 |
| Mowi Scotland Ltd | | | workplace safety or health violation | 2023 | UK-MCA | £860,000 |
| H.P.A.S. Limited | | | workplace safety or health violation | 2017 | UK-HSE | £851,083 |
| Falcon Crane Hire Limited | | | workplace safety or health violation | 2016 | UK-HSE | £850,000 |
| Hermes Parcelnet Limited | Advent International | private equity (including portfolio companies) | workplace safety or health violation | 2022 | UK-HSE | £850,000 |
| John Pointon and Sons Limited | | | workplace safety or health violation | 2011 | UK-HSE | £847,633 |
| Faltec Europe Limited | | | workplace safety or health violation | 2015 | UK-HSE | £838,742 |
| AGD Equipment Ltd | | | workplace safety or health violation | 2015 | UK-HSE | £828,712 |
| Young's Seafood Limited | Sofina Foods | food products | workplace safety or health violation | 2021 | UK-HSE | £820,943 |
| Engie Regeneration (Apollo) Limited | Bouygues | construction and engineering | workplace safety or health violation | 2015 | UK-HSE | £817,519 |
| FF9 Pictures Limited | | | workplace safety or health violation | 2023 | UK-HSE | £814,752 |
| International Paint Limited | Akzo Nobel | paints and coatings | workplace safety or health violation | 2022 | UK-HSE | £814,032 |
| McCain Foods (G.B.) Limited | McCain Foods | food products | workplace safety or health violation | 2013 | UK-HSE | £812,832 |
| Crest Nicholson Operations Limited | Crest Nicholson Holdings PLC | construction and engineering | workplace safety or health violation | 2014 | UK-HSE | £810,985 |
| Laing O'Rourke Construction Limited | Laing O'Rourke | construction and engineering | workplace safety or health violation | 2014 | UK-HSE | £810,361 |
| Nestle UK Ltd | Nestle | food products | workplace safety or health violation | 2022 | UK-HSE | £807,966 |
| Pork Farms Ltd | | | workplace safety or health violation | 2024 | UK-HSE | £806,482 |
| Kingsland Drinks Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £805,614 |
| Stateside Foods Limited | | | workplace safety or health violation | 2024 | UK-HSE | £805,340 |
| CAV Aerospace Limited | | | workplace safety or health violation | 2016 | UK-HSE | £805,119 |
| Network Rail Infrastructure Limited | Network Rail | miscellaneous services | railroad safety violation | 2018 | UK-ORR | £803,000 |
| Tarmac Cement and Lime Limited | CRH PLC | building materials | workplace safety or health violation | 2017 | UK-HSE | £800,120 |
| Godfrey-Syrett Limited | | | workplace safety or health violation | 2019 | UK-HSE | £800,000 |
| Network Rail Infrastructure Limited | Network Rail | miscellaneous services | workplace safety or health violation | 2017 | UK-ORR | £800,000 |
| Faltec Europe Limited | | | workplace safety or health violation | 2015 | UK-HSE | £796,417 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2012 | UK-HSE | £790,784 |
| Hanson Brick Ltd | | | workplace safety or health violation | 2013 | UK-HSE | £779,511 |
| A&P Falmouth Limited | | | workplace safety or health violation | 2024 | UK-HSE | £776,792 |
| Associated Waste Management Limited | Macquarie | financial services | workplace safety or health violation | 2021 | UK-HSE | £776,170 |
| Sellafield Limited | Sellafield Limited | miscellaneous services | nuclear safety violation | 2013 | UK-ONR | £772,635 |
| Baldwins Crane Hire Limited | | | workplace safety or health violation | 2011 | UK-HSE | £766,000 |
| Veolia ES Sheffield Limited | Veolia Group | waste management and environmental services | workplace safety or health violation | 2014 | UK-HSE | £761,981 |
| McLaren Services Limited | | | workplace safety or health violation | 2023 | UK-HSE | £760,132 |
| Associated British Ports | | | workplace safety or health violation | 2015 | UK-HSE | £759,782 |
| Yorkshire Water Services Limited | Kelda Group | utilities and power generation | workplace safety or health violation | 2015 | UK-HSE | £751,818 |
| Devonport Royal Dockyard Limited | Babcock International Group PLC | aerospace and military contracting | workplace safety or health violation | 2024 | UK-ONR | £750,000 |
| Renown Consultants Limited | | | workplace safety or health violation | 2020 | UK-ORR | £750,000 |
| Palmer Timber Limited | | | workplace safety or health violation | 2015 | UK-HSE | £743,845 |
| Network Rail Limited | Network Rail | miscellaneous services | workplace safety or health violation | 2021 | UK-ORR | £730,313 |
| Whirlpool UK Appliances Limited | Whirlpool Corp. | housewares and home furnishings | workplace safety or health violation | 2015 | UK-HSE | £711,467 |
| McCain Foods (G.B.) Limited | McCain Foods | food products | workplace safety or health violation | 2023 | UK-HSE | £706,508 |
| Baldwin's Crane Hire Ltd | | | workplace safety or health violation | 2015 | UK-CPS | £700,000 |
| BAM Nuttall Limited | Royal BAM Group | construction and engineering | workplace safety or health violation | 2021 | UK-HSE | £700,000 |
| Gaskells (North West) Limited | | | workplace safety or health violation | 2010 | UK-HSE | £699,903 |
| Balfour Beatty Utility Solutions Limited | Balfour Beatty | construction and engineering | workplace safety or health violation | 2018 | UK-HSE | £695,000 |
| ATE Truck & Trailer Sales Limited | | | workplace safety or health violation | 2013 | UK-HSE | £695,000 |
| Highway Care Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £693,358 |
| Devonport Royal Dockyard Ltd | Babcock International Group PLC | aerospace and military contracting | nuclear safety violation | 2019 | UK-ONR | £692,478 |
| Altrad Services Limited | | | workplace safety or health violation | 2012 | UK-HSE | £690,784 |
| Viridor Waste Management Limited | Valencia Waste Management | waste management and environmental services | workplace safety or health violation | 2011 | UK-HSE | £684,197 |
| London General Transport Services Limited | Kinetic Group | miscellaneous services | workplace safety or health violation | 2011 | UK-HSE | £678,532 |
