| C.L.A Tools Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| C.L.C Realisations Limited | | | workplace safety or health violation | 2024 | UK-HSE | £1,000 |
| C.L.D. Services Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| C.L.D. Services Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| C.O.B. Plumbing Limited | | | workplace safety or health violation | 2010 | UK-HSE | £9,056 |
| C.P. Button Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| C.P. Button Limited | | | workplace safety or health violation | 2023 | UK-HSE | £67,689 |
| C.R Construction (Scotland) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| C.R Construction (Scotland) Ltd | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| C.R. Utting Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| C.R.E Joinery Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| C.R.F Wheel & Body Repairs Ltd | | | workplace safety or health violation | 2024 | UK-HSE | £0 |
| C.R.F Wheel & Body Repairs Ltd | | | workplace safety or health violation | 2024 | UK-HSE | £0 |
| C.R.F Wheel & Body Repairs Ltd | | | workplace safety or health violation | 2024 | UK-HSE | £0 |
| C.R.S. Cold Storage Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.Ro Ports London Limited | | | workplace safety or health violation | 2015 | UK-HSE | £514,328 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.S. Simmons Engineering Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C.W. Architectural Interiors Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C1 Construction & development Services Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C1 Construction & development Services LTD | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C1 Construction & development Services LTD | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C1 Construction & development Services LTD | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| C20 London Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| C20 London Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| C21 Construction Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C21 Construction Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C21 Construction Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| C3 Engineering Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| C4 Carbides Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cablesheer (Asbestos) Limited | | | workplace safety or health violation | 2013 | UK-HSE | £10,757 |
| Cablesheer Construction Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cablesheer Construction Ltd | | | workplace safety or health violation | 2013 | UK-HSE | £10,757 |
| Cablesheer Construction Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cad Cam Automotive Limited | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CAD Design and Build Services Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| CAD Design and Build Services Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| CAD Joinery Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CAD Works Engineering Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| CAD Works Engineering Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cadeby Stone Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadeby Stone Limited | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cadent Gas Limited | Cadent Gas Limited | utilities and power generation | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cadgrange Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Cadgrange Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Cadgrange Limited | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| Cadgrange Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadishead & Irlam Islamic Centre | | | workplace safety or health violation | 2023 | UK-HSE | £0 |
| Cadogan Tate Head Office and Treasury Services Ltd | | | workplace safety or health violation | 2011 | UK-HSE | £18,876 |
| Cadwallader Home Solutions Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cadwallader Home Solutions Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cadwyn Housing Association Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cadwyn Housing Association Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Caerphilly Skip Hire (CWS) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Caerphilly Skip Hire (CWS) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Caerphilly Skip Hire (CWS) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Caerphilly Super Hand Carwash Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cafe Class Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cafe Class Ltd | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CAG Construction Ltd | | | workplace safety or health violation | 2016 | UK-HSE | £0 |
| CAG Developments Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| CAG Developments Limited | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cage Green Primary School | | | childcare and educational services violation | 2019 | UK-OFSTED | £0 |
| Caged Laser Engineering (SW) Ltd | | | workplace safety or health violation | 2017 | UK-HSE | £0 |
| Cahill Motor Engineering (NI) Ltd | | | workplace safety or health violation | 2017 | UK-HSENI | £0 |
| Cairn Building Solutions Limited | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cairn Delivery Service Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cairn Delivery Service Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cairn Delivery Service Limited | | | workplace safety or health violation | 2021 | UK-HSE | £0 |
| Cairn Delivery Services | | | workplace safety or health violation | 2023 | UK-HSENI | £0 |
| Cairn Delivery Services | | | workplace safety or health violation | 2023 | UK-HSENI | £0 |
| Cairn Delivery Services | | | workplace safety or health violation | 2023 | UK-HSENI | £0 |
| Cairngorm Mountain (Scotland) Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cairngorm Mountain (Scotland) Limited | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
| Cairngorm Mountain Ltd. | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cairngorm Mountain Ltd. | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cairngorm Mountain Ltd. | | | workplace safety or health violation | 2018 | UK-HSE | £0 |
| Cairnpark Properties Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| Cairnpark Properties Ltd | | | workplace safety or health violation | 2022 | UK-HSE | £0 |
| CAIRNS & SCOTT CATERHIRE LIMITED | | | workplace safety or health violation | 2019 | UK-HSE | £0 |
