| Caroca Ltd | East Preston | 2019 |
| Carol Davilla Limited | Leicester | 2018 |
| Carol Trans Ltd | Grimsby | 2019 |
| Carola Marine Limited | Harrow | 2020 |
| Carola Trading Logistic & Services Ltd | Manchester | 2022 |
| Carolco UK Limited | Leeds | 2008 |
| Carole Golden Transport Ltd | Birmingham | 2023 |
| Carolean Coaches Ltd | Wolverhampton | 2023 |
| Carolelinc Ltd | Wolverhampton | 2022 |
| Carolinahb Limited | Horley | 2023 |
| Caroline 1 Ltd | Bradford | 2018 |
| Caroline Transport Logistic Ltd | Derby | 2026 |
| Carolines Bridal Boutique Limited | | 2002 |
| Carols Cabs Limited | Melksham | 2014 |
| Carooana Ltd | Swindon | 2020 |
| Carosa Limited | Maidstone | 2003 |
| Caross Ltd. | Renfrew | 2004 |
| Carousel Buses Limited | Newcastle Upon Tyne | 2000 |
| Carousel Distribution Limited | Spalding | 2025 |
| Carousel Freight (Dorset) Limited | Bournemouth | 1987 |
| Carousel Logistics Holdings Limited | Sittingbourne | 2013 |
| Carousel Logistics Limited | Sittingbourne | 1985 |
| Carpad Trans Limited | Runcorn | 2014 |
| Carpat Haulage Ltd | Leeds | 2018 |
| Carpat Transport Management Ltd | Leeds | 2024 |
| Carpathian Courier Ltd | Scunthorpe | 2016 |
| Carpathian Events Ltd | Hayes | 2025 |
| Carpathian Farm Ltd | London | 2018 |
| Carpathian Mule Limited | Leicester | 2016 |
| Carpathian Transport Ltd | Purfleet-On-Thames | 2025 |
| Carpathianwolf Limited | Dewsbury | 2025 |
| Carpatic Logistics Ltd | Walsall | 2020 |
| Carpenter Elite Logistics Limited | Tredegar | 2025 |
| Carpenters Couriers Ltd | Basildon | 2022 |
| Carpet Contracts (Midlands) Limited | Wellingborough | 1992 |
| Carpet Media Group Ltd | London | 2020 |
| Carpetways Limited | Glasgow | 2005 |
| CARPOL1 Limited | Torquay | 2015 |
| Carpus Delivery Ltd | Waltham Abbey | 2023 |
| Carpus Delivery Services Ltd | Manchester | 2020 |
| Carr & Darlington Ltd | New Romney | 2024 |
| Carr Brothers U.K. Limited | Northants | 1978 |
| Carr Private Hire Ltd | Edinburgh | 2013 |
| Carr-I-Freight Limited | Cheadle | 2003 |
| Carra Globe Ltd | Slough | 2025 |
| Carraman Limited | Hornchurch | 2019 |
| Carrecoverybuddy Ltd | Reading | 2025 |
| Carreno Logistics Ltd | Bristol | 2021 |
| Carrera Aviation Ltd | Wokingham | 2023 |
| Carrera Business Systems Limited | Hampshire | 1988 |
| Carrera Specialist Cars Limited | Reading | 1990 |
| Carriage Cars Banbury Limited | Croydon | 2025 |
| Carriage Cars Wolverhampton Ltd | Wolverhampton | 2022 |
| Carriage Company (Oxon) Limited | Banbury | 2008 |
| Carriage Express Ltd | Nottingham | 2021 |
| Carriage Private Hire Limited | Tonbridge | 2018 |
| Carriages and Cars Ltd | Holmrook | 2025 |
| Carriages of Kent Ltd | Cardiff | 2018 |
| Carriages of Scone Limited | Perth | 1998 |
| Carrick Community Transport Group Limited | Ayr | 2007 |
| Carridine Transport Ltd | Stourport-On-Severn | 2023 |
| Carrier Cargus Ltd | Sheffield | 2021 |
| Carrier Connect Logistics Limited | Watford | 2025 |
| Carrier Solutions Group Ltd | Hamilton | 2023 |
| Carriers Services Houses and Offices Removals Ltd | Edinburgh | 2025 |
| Carries Love Ltd | London | 2025 |
| Carrigo Transport Ltd | London | 2026 |
| Carril Ltd | West Croydon | 2015 |
| Carrilho Logistics Ltd | Peterborough | 2025 |
| Carrington (Minibuses) Limited | S Wales | 2002 |
| Carrio Ltd | Stoke On Trent | 2025 |
| Carritrans (UK) Limited | Maldon | 2003 |
| Carrmovers Limited | Cheshire | 2015 |
| Carro Transport Ltd | Northampton | 2020 |
| Carroll Couriers Limited | Bradford | 2023 |
| Carroll Services Limited | Perth | 2022 |
| Carroll Small Contracts Ltd | Hooton | 2020 |
| Carroll-Aviation Ltd | Macclesfield | 2015 |
| Carrolls Carriers Limited | Blackpool | 2017 |
| Carron Phoenix Limited | Falkirk | 1987 |
| Carron Transport Ltd | Stewartstown | 2015 |
| Carrot Cars Ltd | London | 2013 |
| Carrot Trans Ltd | Carnforth | 2022 |
| Carrowe Logistics Limited | Maldon | 2024 |
| Carrparks Limited | Poole | 2026 |
| Carrs Fine Art and Furniture Carrier Ltd | Darlington | 2017 |
| Carrs Loch Lomond Ltd | Alexandria | 2017 |
| Carrus Chauffeurs Limited | Stanmore | 2013 |
| Carruthers Haulage Limited | Wigton | 2026 |
| Carruthers Transport Limited | Stanley | 2017 |
| Carrvault Limited | Malton | 2024 |
| Carry & Go Ltd | London | 2025 |
| Carry 2 Ltd | London | 2020 |
| Carry Car ( UK ) Limited | Brighton | 2005 |
| Carry Cargo International Limited | Leeds | 1997 |
| Carry Crew Limited | Mitcham | 2024 |
| Carry Crew Sovereign Limited | Mitcham | 2025 |
| Carry Fast UK Ltd | London | 2025 |
| Carry Gently Limited | Aldershot | 1984 |
| Carry Go Logistics and Equipment Ltd | Crawley | 2025 |