| Cawingredients Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cawkwell Precision Engineering Co Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cawkwell Precision Engineering Co Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| CawMc Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CawMc Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cawmc Restoration and Auto Refinishers Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| CAWS Cenarth Cheese Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cawthorne Construction Company Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Caxton Construction Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Caxton Construction Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| CB Technology Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CB.REM Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CB.REM Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CB.REM Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CBES Limited | City Facilities Management Ltd | business services | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CBR02 Limited | | | workplace safety or health violation | 2022 | UK-HSE | £5,000 |
| CBRE GWS Limited | | | workplace safety or health violation | 2010 | UK-HSE | £73,162 |
| CBRE Managed Services Limited | CBRE Group | real estate | workplace safety or health violation | 2010 | UK-HSE | £206,671 |
| CBS Packaging Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| CBS Packaging Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| CBT Packaging Limited | | | workplace safety or health violation | 2011 | UK-HSE | £16,971 |
| CBW Developers Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| CC Construction & Demolition Contractors Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CC Construction & Demolition Contractors Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CC Construction Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| CC Joinery Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CC Kitchens Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CC Services and Groundworks Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| CCD Subsea & Marine Services Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CCG (Scotland) Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| CCG (Scotland) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CCG Manufacturing Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CCL Label Limited | | | workplace safety or health violation | 2012 | UK-HSE | £6,142 |
| CCP Graduate School Ltd | | | childcare and educational services violation | 2010 | UK-OFSTED | £0 |
| CCP Graduate School Ltd | | | childcare and educational services violation | 2016 | UK-OFSTED | £0 |
| CDA Bespoke Furnishings Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CDB Building Services Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CDB Building Services Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CDB Training Ltd | | | childcare and educational services violation | 2020 | UK-OFSTED | £0 |
| CDCS Construction Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| CDF Properties Investment Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CDF Properties Investment Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £92,700 |
| CDL Bham Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| CDL Bham Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| CDL Bham Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| CDL Bham Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| CE Facilities Management Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CE Metal Fabrications Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cecil Jones Academy | | | childcare and educational services violation | 2018 | UK-OFSTED | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CED Fabrications Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cedar (UK) Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cedar (UK) Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cedar (UK) Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cedar Bakwala | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cedar Building Company Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cedar Care Developments Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cedar Care Developments Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cedar Care Homes Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cedar Ridge Construction Limited | | | workplace safety or health violation | 2016 | UK-HSE | £43,184 |
| Cedarwood Construction (NE) Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cedesa Limited | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cedesa Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cedrus Homes Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cedrus Homes Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Ceeco Fab Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CeeJay Construction Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| CeeJay Construction Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| CeeJay Construction Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Ceejay Maintenance Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Ceejay Maintenance Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cefn Y Castell Farm | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cellecta Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cellerhead Brewing Company Ltd | | | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Celloglas Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Celloglas Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Celloglas Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Celsa Manufacturing (UK) Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celsa Manufacturing (UK) Limited | | | workplace safety or health violation | 2015 | UK-HSE | £1,945,772 |
| Celsa Manufacturing (UK) Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Celtic Car Wash | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Celtic Car Wash | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Celtic Car Wash | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Celtic Car Wash | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Celtic Car Wash | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Coffins Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Celtic Engineering Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celtic Engineering Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celtic Engineering Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celtic Engineering Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celtic Hand Carwash LTD | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Celtic Rock Services Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
