| Carr Mitchell Limited | Barnet | 2009 |
| Carr Wealth Management Limited | Nottingham | 2007 |
| Carr's BK Ltd. | Altrincham | 2017 |
| Carr's Holding Ltd | Stamford | 2023 |
| Carraig Investments Limited | London | 2025 |
| Carraway Finance Ltd | Newcastle Upon Tyne | 2000 |
| Carrclo Limited | Newry | 2020 |
| Carre Holdings Limited | Derby | 2023 |
| Carrek Holdings Ltd | Poole | 2023 |
| Carrelage Carpentier Ltd | London | 2026 |
| Carrera Bidco Limited | Fareham | 2025 |
| Carrera Capital Limited | Chelmsford | 2016 |
| Carrera Engineering Holdings Limited | Grimsby | 2025 |
| Carrera Finance (NW) Limited | Preston | 2003 |
| Carrera Jvco Limited | Fareham | 2025 |
| Carriage Accident Claims Limited | London | 2008 |
| Carriage House Group Limited | Stoke On Trent | 2018 |
| Carriagehouse (UK) Limited | Colchester | 2012 |
| Carriages Wealth Management & Professional Services Ltd | Wirral | 2024 |
| Carrick Asset Finance Limited | London | 2018 |
| Carrick Capital (UK) Limited | London | 1999 |
| Carrick Contracts Holdings Ltd | Newry | 2023 |
| Carrick Fern Holdings Ltd | Ayr | 2024 |
| Carrick GP Limited | London | 2026 |
| Carrick IFC Ltd | Motherwell | 2005 |
| Carrick International Holdings Limited | London | 2016 |
| Carrick Mortgage Solutions Ltd | Glasgow | 2024 |
| Carrick Stuart & Co. (Financial Consultants) Ltd. | Glasgow | 2002 |
| Carrick UK Holdings Company Limited | London | 2019 |
| Carrick UK Services Limited | London | 2019 |
| Carrickfin Trading Ltd | Dunmurry | 2014 |
| Carrickhill Investments Limited | Belfast | 2016 |
| Carrickmor Holdings Ltd | Prestwick | 2021 |
| Carrickrock Holdings Ltd | Omagh | 2020 |
| Carrickstead Ltd | Glasgow | 2025 |
| Carrie Bear Estates Topco Ltd | Blackpool | 2024 |
| Carrie Millin Ltd | Haywards Heath | 2021 |
| Carrier Group Holdings Ltd | Melton Mowbray | 2026 |
| Carrier Pension Trustee Limited | Plymouth | 1993 |
| Carrier Pigeon Enterprises Limited | Leamington Spa | 2020 |
| Carrier UK Holdings Limited | Ashford | 2008 |
| Carrig Holdings Limited | Thaxted, Dunmow | 2026 |
| Carrig Partners Limited | London | 2018 |
| Carrig Private Finance Limited | London | 2023 |
| Carrigans Law Ltd | Cardiff | 2017 |
| Carrington Atlantic Ltd | Llanelli | 2025 |
| Carrington Care Holdings Ltd | St Albans | 2022 |
| Carrington Dean Group Limited | Glasgow | 2001 |
| Carrington Financial Consultancy Ltd | Weymouth | 2014 |
| Carrington Fleet Holdings Limited | Bolton | 2007 |
| Carrington Industries Limited | Kettering | 1900 |
| Carrington Initiative Limited | London | 2013 |
| Carrington Investment Consultants Limited | London | 1996 |
| Carrington Private Investments Limited | London | 2024 |
| Carrington Scaffolding Holdings Limited | Stoke-On-Trent | 2022 |
| Carrington UK (Holdings) Limited | Harrow | 2006 |
| Carrington-Wells Holdings Ltd | Retford | 2020 |
| Carringtons Upper Limited | Hounslow | 2025 |
| Carrix Limited | Stockport | 2009 |
| Carrlane Developments Limited | Scarborough | 2019 |
| Carrmichaels Limited | Doncaster | 2007 |
| Carrmou Global Ltd | London | 2022 |
| Carro Trading Limited | Saffron Walden | 2024 |
| Carrod Securities Co Ltd | London | 2021 |
| Carrold Hill Ltd | Workington | 2022 |
| Carroll & Carroll Limited | Sandwich | 1982 |
| Carroll & Partners Limited | London | 1988 |
| Carroll Family Investment Company Ltd | St Helens | 2020 |
| Carroll Harvey Insurance Brokers Limited | London | 2006 |
| Carroll Industrial Holdings Limited | Eastbourne | 2017 |
| Carroll Insurance and Properties Limited | Sandwich | 2011 |
| Carroll Insurance Brokers Limited | London | 2011 |
| Carroll Investments Limited | Eastbourne | 2017 |
| Carroll London Markets Holdings Limited | London | 2014 |
| Carroll London Markets Limited | London | 1993 |
| Carroll Property Holdings Limited | Horley | 2026 |
| Carroll's Holdings Limited | St. Albans | 2023 |
| Carron Investments Limited | Croydon | 1999 |
| Carronade Limited | Newmarket | 2025 |
| Carronvale Limited | Edinburgh | 2021 |
| Carrot Finance Limited | Buckingham | 2026 |
| Carrot Risk Technologies Limited | Liverpool | 2011 |
| Carrowkeel Holdings Ltd | Ballycastle | 2017 |
| Carrozzo Capital Ltd | London | 2018 |
| Carrozzo Investments Ltd | London | 2025 |
| Carrs Pasties Holdings Limited | Bolton | 2019 |
| Carrwood Consultancy Limited | Altrincham | 2020 |
| Carrwood Finance Group Limited | Altrincham | 2020 |
| Carrwood Group Limited | Warrington | 2022 |
| Carrwood Lending Limited | Altrincham | 2020 |
| Carry Cargo Group Limited | Leeds | 2020 |
| Carry Gently Holdings Ltd | Aldershot | 2021 |
| Carry on Entertainment Group Ltd | Bristol | 2023 |
| Carry on Packaging Limited | Newmarket | 2003 |
| Carryaround Holdings Limited | Gloucester | 2020 |
| Carryaround Limited | Gloucester | 2020 |
| Carrycastle Enterprises Ltd | Dungannon | 2021 |
| Cars - SRG Limited | Birmingham | 2024 |
| Cars Alliance UK Master Holdings Limited | London | 2021 |
| Cars Alliance UK Master PLC | London | 2021 |