| Cooke Brothers | | | workplace safety or health violation | 2018 | UK-HSENI | £0 |
| Cooke Construction Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cooke Construction Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cooke Construction Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooke Construction Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cookson And Zinn (PTL) Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cookson And Zinn (PTL) Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cookson And Zinn (PTL) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cookson And Zinn (PTL) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cookstown Textile Recyclers | | | workplace safety or health violation | 2020 | UK-HSENI | £0 |
| Cookstown Textile Recyclers | | | workplace safety or health violation | 2020 | UK-HSENI | £0 |
| Cookstown Textile Recyclers | | | workplace safety or health violation | 2020 | UK-HSENI | £0 |
| Coolcheck Refrigeration Ltd | | | workplace safety or health violation | 2011 | UK-HSE | £9,500 |
| Coolers And Condensers Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolkit Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coolzone Air Conditioning Limited | | | workplace safety or health violation | 2021 | UK-HSE | £4,886 |
| Coombe Fisheries Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Coombs Property Services Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Coombs Property Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coombs Property Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper & Jackson Limited | | | workplace safety or health violation | 2014 | UK-HSE | £13,181 |
| Cooper & Turner Wind Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cooper and Turner Distribution Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cooper and Turner Distribution Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cooper and Williams Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cooper Bespoke Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cooper Bespoke Joinery Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cooper Bespoke Joinery Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cooper Construction | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper Construction Services Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cooper Joinery & CNC Services Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper Joinery & CNC Services Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper Joinery & CNC Services Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper&Son Roofing Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cooper&Son Roofing Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Coopers Civil Engineering Limited | | | workplace safety or health violation | 2012 | UK-HSE | £36,500 |
| Coopers Fire Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Coopland & Son (Scarborough) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £163,674 |
| Coopland & Son (Scarborough) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Coopland & Son (Scarborough) Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Cope Engineering (Radcliffe) Ltd | | | workplace safety or health violation | 2012 | UK-HSE | £6,767 |
| Copecrown Construction Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Copecrown Construction Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Copelare Limited | | | workplace safety or health violation | 2014 | UK-HSE | £8,497 |
| Copford Woodcraft Kitchens Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copford Woodcraft Kitchens Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copford Woodcraft Kitchens Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copford Woodcraft Kitchens Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| COPLEY BRICKWORK & GROUNDWORKS | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copper Alloys Ltd | | | workplace safety or health violation | 2010 | UK-HSE | £12,813 |
| Copper Grey Developments Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Copperflow Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copperflow Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copperflow Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copperflow Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Copperflow Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Coppergreen Developments Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Coppergreen Developments Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copperweld Bimetallics UK Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Copperweld Bimetallics UK Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Copperweld Bimetallics UK Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Coppice Alupack Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Coppice Alupack Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Copplestone Construction Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Copras Specialities Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Coral Homes Group Limited | | | workplace safety or health violation | 2017 | UK-HSENI | £0 |
| Coral Homes Group Limited | | | workplace safety or health violation | 2017 | UK-HSENI | £0 |
| Corazon Group Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Corbel Conservation Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CORBY BIOMASS SYSTEMS LIMITED | | | workplace safety or health violation | 2016 | UK-HSENI | £0 |
| Corden Joinery Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Core Construction (North West) Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Core Construction of Bath Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Core Construction of Bath Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Core Construction of Bath Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Core Construction of Bath Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Core Cut Limited | | | workplace safety or health violation | 2022 | UK-HSE | £10,000 |
| Core Group Services Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Core Special Projects Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cores & Tubes Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Corespec Limited | | | workplace safety or health violation | 2021 | UK-HSE | £122,989 |
| Corespec Ltd | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Corespec Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Corewire Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Corewire Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Corex (UK) Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Corex (UK) Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Corex (UK) Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Corex (UK) Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| COREY DEVELOPMENTS LIMITED | | | workplace safety or health violation | 2018 | UK-HSENI | £0 |
| Corilla Plastics (Bridgend) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
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