| Care 786 Ltd | Manchester | 2020 |
| Care and Leisure Textiles Ltd | Nelson | 2000 |
| Care Candy Limited | Grantham | 2023 |
| Care Combobulation Ltd | Brighton | 2024 |
| Care Company for the Manufacture and Packaging of Foodstuffs Limited | Walsall | 2022 |
| Care Force Uniform Limited | Watford | 2006 |
| Care Guard Group Ltd | Newcastle | 2024 |
| Care Home Furniture Ltd | Accrington | 2021 |
| Care Home Photo Furnishings Ltd | Alton | 2023 |
| Care Maac Ltd | Leeds | 2024 |
| Care Micro Systems Limited | Scarborough | 1992 |
| Care Power (Bramford) Limited | London | 2020 |
| Care Power (Burwell 2) Limited | London | 2020 |
| Care Power (Burwell Holdco) Limited | London | 2019 |
| Care Procurement Limited | London | 2025 |
| Care Surgical Limited | Burscough | 2015 |
| Care Surgical Manufacturing Limited | Ormskirk | 2023 |
| Care Ultrasonics Limited | Manchester | 1988 |
| Care-Ability Healthcare Limited | Wakefield | 2011 |
| Care-Com Systems (SW) Ltd | Pontypridd | 2013 |
| CARE4FUTURES Limited | Bromsgrove | 2016 |
| Careaux Ltd | Manchester | 2017 |
| Carechair Limited | Hutton Cranswick | 1990 |
| Carechem International Limited | Birkenhead | 2008 |
| Cared Auto Ltd | Thornton Heath | 2026 |
| Career Media Limited | Glasgow | 2003 |
| Careercraft Advisors Ltd | Luton | 2025 |
| Careerneeds Limited | Wishaw | 2026 |
| Careers Team Ltd | Yeovil | 2019 |
| Careflex Limited | High Wycombe | 1991 |
| Carefoot Maintenance Limited | Liverpool | 2018 |
| Carefree Toiletries Limited | Birmingham | 2017 |
| Carefreelushify Limited | Milton Keynes | 2023 |
| Carefusion U.K. 305 Limited | Wokingham | 1994 |
| Carehoist Solutions Ltd | Ashford | 2025 |
| Carehomechairs Ltd | Accrington | 2024 |
| Careidol Co., Ltd | West Midlands, England | 2025 |
| Carein Dermosupplements Ltd | London | 2025 |
| Carekem Limited | Seaton | 2015 |
| Careleaf Nutrition Ltd | Reading | 2024 |
| Carelide UK Limited | Bristol | 2019 |
| Careline Trade Ltd | London | 2026 |
| Carella Laminate Systems Ltd. | Eglinton | 1989 |
| Carello Lighting PLC | Staffordshire | 1987 |
| Carense Ltd | Cheadle | 2019 |
| Carerra Ltd | London Road | 2015 |
| Cares Laboratory Limited | Barnsley | 2016 |
| Caresonic Ltd | Nantwich | 2013 |
| Caress Manufacturing Limited | Hinckley | 1979 |
| Caressa Kahn Manufacturing Company Limited | Bromley | 2023 |
| Carestream Dental Technology Topco Limited | London | 2017 |
| Carewhere Limited | Amersham | 2006 |
| Carewjones.Co.Uk Ltd | Buckinghamshire | 2011 |
| Carey Cleaning Machines Ltd | Ballymena | 2013 |
| Carey Computer Services Ltd | Wigan | 2025 |
| Carey Enterprise Ltd | Llandudno | 2025 |
| Carey Glass Chester | Hawarden | 2013 |
| Carey Holdings Limited | Brierley Hill | 1981 |
| Careys Secret Garden Limited | Wareham | 2019 |
| Carfax Cards,Limited | Bury St. Edmunds | 1927 |
| Carford Transmissions Limited | Birmingham | 1990 |
| Cargill Bioindustrial UK Limited | London | 2021 |
| Cargill PLC | London | 1978 |
| Cargo Aids Limited | St Leonards On Sea | 1959 |
| Cargo Guard Ltd | Braunton | 2026 |
| Cargo Hills Limited | Edinburgh | 2019 |
| Cargo Packing Services Limited | Hyde | 1992 |
| Cargo PAK (U.K.) Limited | Kirkby | 2000 |
| Cargo Pallets (Teesside) Ltd | Darlington | 2024 |
| Cargo Pallets Limited | Grangetown | 1985 |
| Cargo Planned Displays Ltd | Birmingham | 2008 |
| Cargo Seat Limited | Lanark | 2012 |
| Cargofin Limited | Chertsey | 2003 |
| Cargotech Installations Ltd | South Shields | 2025 |
| Cargotron UK Ltd | London | 2023 |
| Cargreen Developments Limited | Milton Keynes | 2017 |
| Cari Ltd | Fitzrovia | 2021 |
| Cariad Bwyd Ltd | Neath | 2025 |
| Cariad Candle Co. Ltd | Port Talbot | 2023 |
| Cariad Classic Cakes Limited | Bristol | 2026 |
| Cariad Gelato Limited | Porthmadog | 2021 |
| Cariad Memorials Ltd | Merthyr Tydfil | 2024 |
| Cariad Spiritual Ltd | Llanelli | 2025 |
| Cariad Watches Ltd | London | 2026 |
| Cariad&Co Ltd. | Stockport | 2019 |
| Cariaga Limited | Holywood | 2022 |
| Carian Motors Ltd | Tiverton | 2011 |
| Caribbean Blinds (UK) Limited | Suffolk | 1987 |
| Caribbean Cupcakes Ltd | London | 2013 |
| Caribbean Daily EYE Ltd | London | 2019 |
| Caribbean Drinks Ltd | Hampton | 2009 |
| Caribbean Flaava Limited | Chester | 2012 |
| Caribbean Foods Ltd | Leigh-On-Sea | 2023 |
| Caribbean House Group Ltd | London | 2025 |
| Caribbean Kitchen Limited | | 2001 |
| Caribbean Mixx Ltd | Romford | 2025 |
| Caribbean Sugar UK Ltd | London | 2024 |
| Caribe Coffee Company Ltd | Morpeth | 2018 |
| Caribe Essentials Ltd | Leicester | 2022 |
| Caribella Ltd. | London | 2022 |