| 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 | | | care quality violation | 2010 | UK-OFSTED | £0 |
| CCP Graduate School Ltd | | | care quality 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 | | | care quality 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 | | | care quality 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 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 |
| Celtic Rock Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £40,227 |
| Celtic Rock Services Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Celtic-Leather & Fabric Upholstery Ltd | | | workplace safety or health violation | 2014 | UK-HSE | £22,147 |
| Celtica Foods Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Celtica Foods Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CELTICPHARM LIMITED | | | drug or medical equipment safety violation | 2021 | UK-MHRA | £0 |
| CELTICPHARM LIMITED | | | drug or medical equipment safety violation | 2021 | UK-MHRA | £0 |
| Cemco 21 Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cemco 21 Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cemco 21 Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cementation Skanska Limited | | | workplace safety or health violation | 2014 | UK-HSE | £10,000 |
| Cemex UK Materials Limited | Cemex | building materials | workplace safety or health violation | 2012 | UK-HSE | £45,044 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2020 | UK-HSE | £0 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2017 | UK-HSE | £1,000,000 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2012 | UK-HSE | £790,784 |
| Cemex UK Operations Limited | Cemex | building materials | workplace safety or health violation | 2011 | UK-HSE | £372,000 |
| Centaur Property Group Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Centercomms Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Central & Country Construction Ltd | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
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