| Carrick Castle Community Trust | Carrick Castle | 2014 |
| Carrick Hair Company Ltd | Larne | 2016 |
| Carrick James Limited | Hailsham | 2021 |
| Carrick Little Properties Limited | Belfast | 2020 |
| Carrick Rangers Community Partnership Limited | Belfast | 2025 |
| Carrickfergus Community Forum | Carrickfergus | 2011 |
| Carrickfergus Vineyard Church | Carrickfergus | 2010 |
| Carriden Drilling Services Ltd | Turriff | 2014 |
| Carrie & Co London Ltd | London | 2026 |
| Carrie & Co Ltd | Wilmslow | 2014 |
| Carrie Anne Aesthetics Ltd | Folkestone | 2023 |
| Carrie Cunningham Consultancy Limited | London | 2013 |
| Carrie Fuell Ltd | Lincoln | 2019 |
| Carrie Murphy Consultancy Ltd | Bolton | 2022 |
| Carrie Stylez Ltd | Glasgow | 2024 |
| Carrington Blake Enterprise Limited | London | 2008 |
| Carrington Blake IT Solutions Limited | London | 2008 |
| Carrington Hair Ltd | Newport Pagnell | 2021 |
| Carrington LP Limited | London | 2003 |
| Carrington Noble Limited | London | 2015 |
| Carrington Place Brampton Limited | St. Neots | 2003 |
| Carrington Rally | Boston | 2011 |
| Carrington Services (UK) Ltd | Borehamwood | 2012 |
| Carrington Shaw Rentals Limited | Birmingham | 2024 |
| Carrington Stevens Restaurants Limited | Chalfont St. Giles | 1989 |
| Carringtons Hair Salon Limited | Bolton | 2001 |
| Carrock View Leisure Pool Limited | Brampton | 2014 |
| Carroll Design Ltd | Stockport | 2004 |
| Carroll Marketing Services Ltd | London | 2022 |
| Carron Marquees Ltd | Bordon | 1999 |
| Carrot and Karma Ltd | London | 2017 |
| Carrot Cottage Ltd | Swansea | 2024 |
| Carrot Events Limited | Grimsby | 2016 |
| Carrot Financial Connections Ltd | London | 2025 |
| Carrsevco Ltd | South Shields | 2016 |
| Carruthers Capital Lincoln Ltd | Lincoln | 2019 |
| Carruthers Consulting Ltd | Dumfries | 2017 |
| Carry on at Your Convenience C.I.C. | Blackwood | 2024 |
| Carry Overseas Ltd | St. Albans | 2015 |
| Carryduff Boarding Kennels Ltd | Belfast | 2013 |
| Carré Consultancy Limited | Whitstable | 2016 |
| Cars & Clubs (UK) Ltd | Hamilton | 2023 |
| Cars + Limited | Salford | 2018 |
| Cars and Kettles Competitions Ltd | Bradford | 2025 |
| Cars Care Specialist Ltd | Basingstoke | 2024 |
| Cars Doctor Limited | Hook | 2014 |
| Cars IM- EN Export Maastricht Limited | Carcroft | 2004 |
| Cars of Grimsby Ltd | Grimsby | 2012 |
| Cars Pro Repair Ltd | London | 2024 |
| Cars Under 3K Ltd | Ilford | 2024 |
| Carsbrook Ltd | Ashford | 2013 |
| Carshalton Commodities Limited | London | 2019 |
| Carshalton Electrical Services Limited | Bracknell | 2008 |
| Carsi 1903 Limited | Tidworth | 2015 |
| Carsi Barbers Limited | London | 2025 |
| Carsmart Automotive Ltd | Oldbury | 2017 |
| Carsons Life Coaching Ltd | Ipswich | 2020 |
| Carspa AFB Ltd | Ilford | 2025 |
| Carsystem UK Ltd | Dadford | 2022 |
| Cart & TIP Services Ltd | Warwickshire | 2020 |
| Carta Bianca Ltd | London | 2021 |
| Cartaf Ltd | London | 2017 |
| Cartagena Consulting Ltd | Sutton | 2018 |
| Cartakeback.Com Limited | Liverpool | 2002 |
| Cartdale Property Management Limited | | 2005 |
| Carte Blanche Skincare Limited | London | 2024 |
| Cartech Installations Ltd | Lingdale | 2025 |
| Cartel Barbers Limited | Bromley | 2025 |
| Cartels Barber Ltd | Loughborough | 2023 |
| Carter & Co Canine Care Ltd | Wakefield | 2025 |
| Carter & Longfellow Limited | Birmingham | 2022 |
| Carter & Shields Hair & Retail Services Ltd | Egham | 2024 |
| Carter & Shields Ltd | Hollinwood | 2017 |
| Carter Art Services Ltd | Bishop'S Stortford | 2025 |
| Carter Caters for YOU Ltd | London | 2017 |
| Carter Consult Limited | London | 2019 |
| Carter Content Limited | Hartlepool | 2020 |
| Carter Creative Hair Studio Limited | Manchester | 2022 |
| Carter Funeral Directors Ltd | Tetbury | 2025 |
| Carter Physiotherapy Limited | East Sussex | 2005 |
| Carter Reid Limited | Borehamwood | 2017 |
| Carter Solstech Ltd | London | 2025 |
| Carter Trading Christchurch Ltd | Christchurch | 2025 |
| Carter Tyberghein Limited | Crowborough | 2006 |
| Carter W Locksmiths Ltd | London | 2025 |
| Carter Wahlberg Limited | London | 2021 |
| Carter's & Crew Barbershop Ltd | Wimborne | 2023 |
| Carter's Barber Shop Ltd | | 2007 |
| Carter's Barbers Limited | Clevedon | 2021 |
| Carter's Canines Ltd | Worksop | 2021 |
| Cartercom Ltd | Middlesbrough | 2017 |
| Carters Customs Limited | Eastleigh | 2020 |
| Carters Family Funeral Services Ltd | Leicester | 2026 |
| Carters Funerals Limited | Maidstone | 2025 |
| Carters Group Ltd | Milton Keynes | 2019 |
| Carters of Swanwick Limited | Southampton | 2009 |
| Carterton Hair Salon Limited | Carterton | 2018 |
| Carterton Nails and Spa Ltd | Carterton | 2024 |
| Carterton Nails Ltd | London | 2017 |
| Carthew Limited | Brackley | 2023 |