| Consolidated Forwarding Limited | Royal Arsenal | 1994 |
| Consolidated Imex Limited | Wembley | 1981 |
| Consolidated Lazer Line Limited | London | 1985 |
| Consolidated Merchandisers (N.I.) Limited | Lisburn | 1998 |
| Consolidated Movers and Logistics Ltd | Northampton | 2025 |
| Consolidated Road Sea Logistics UK Ltd | Greenford | 2009 |
| Consolidated Supply Management International (II) Limited | Coventry | 2008 |
| Consolidated Travel Limited | London | 1999 |
| Consolidation Express Cargo Limited | Felixstowe | 2022 |
| Consolo X Limited | Worcester | 2025 |
| Consolve Limited | Redhill | 2015 |
| Consort Marine Limited | Fort William | 2011 |
| Consort Shipping Limited | Hedon Road | 1976 |
| Consortium Sea Company Limited | Guildford | 1983 |
| Constable Coaches Limited | Hadleigh | 1962 |
| Constads Solutions Limited | Belvedere | 2025 |
| Constant Delivery Ltd | Iver | 2019 |
| Constant Transport Limited | London | 2020 |
| Constant Transport Solutions Ltd | Slough | 2024 |
| Constant-In Services Ltd | Swindon | 2017 |
| Constantin 1960 Ltd | Barking | 2024 |
| Constantin 83 Limited | London | 2018 |
| Constantin B Ltd | Corby | 2025 |
| Constantin Butu Ltd | Doncaster | 2020 |
| Constantin Couriers Ltd | Woodford Green | 2024 |
| Constantin CZR Curiers Ltd | Northampton | 2026 |
| Constantin D&C Ltd | Ipswich | 2023 |
| Constantin DD Ltd | Ruislip | 2023 |
| Constantin Dragos Danescu Limited | Ellesmere Port | 2019 |
| Constantin Driving Services Ltd | Purfleet-On-Thames | 2018 |
| Constantin Dumitroae Ltd | St. Helens | 2016 |
| Constantin ION Logistics Limited | Middlesbrough | 2026 |
| Constantin Leonard Ltd | Northampton | 2026 |
| Constantin Logistics Ltd | Grays | 2015 |
| Constantin Micesti Ltd | Rugby | 2023 |
| Constantin Nagara Ltd | Hounslow | 2025 |
| Constantin Pascal Transport Ltd | Spalding | 2015 |
| Constantin Popescu Ltd | Felixstowe | 2018 |
| Constantin Purcea Ltd | Hatfield | 2019 |
| Constantin Rusu Limited | Wembley | 2019 |
| Constantin Serv Ltd | Chatham | 2017 |
| Constantin Transport Ltd | Loughborough | 2021 |
| Constantin-Robert Ltd | Grays | 2026 |
| Constantin-Tiberiu Transport Limited | Potters Bar | 2017 |
| Constantine & Company (Exports) Limited | Ipswich | 1973 |
| Constantine Limited | | 1969 |
| Constantine LVS Limited | Newport | 2020 |
| Constantine Quay Boatyard Limited | Falmouth | 2018 |
| Constantine Quay Community Interest Company | Helston | 2020 |
| Constantinluktrans Limited | Luton | 2019 |
| Constantinos&Co Ltd | Hinckley | 2018 |
| Constellation Cold Logistics UK Limited | N E Lincolnshire | 2003 |
| Constellation Marine London Limited | London | 2012 |
| Constitution Hill Ltd. | Aberystwyth | 1997 |
| Construction & Civils Ltd | Dartford | 2020 |
| Construction & Environmental Services Limited | Cambridgeshire | 2004 |
| Construction and Plant Training Services Ltd | Wellingborough | 2017 |
| Construction City 2000 Limited | London | 1997 |
| Construction Hardware & Distribution Limited | London | 1998 |
| Construction Waste Disposal Ltd | Hamilton | 2024 |
| CONSU8 Ltd | Bristol | 2024 |
| Consult Haulage Ltd | Irvine | 2020 |
| Consultafrica 232 Limited | Exmouth | 2006 |
| Consultantsea Limited | Redditch | 2011 |
| Consulteam Services Ltd | Smethwick | 2019 |
| Consulting First Ltd | Newcastle Upon Tyne | 2017 |
| Consumer SIX Ltd | Tunbridge Wells | 2024 |
| Consure Travels Limited | London | 2025 |
| Contact 365 Limited | Middlesex | 2010 |
| Contact Couriers Ltd | Manchester | 2013 |
| Contact Fulfilment Ltd | North Shields | 2020 |
| Contact Security Systems Limited | Airdrie | 2008 |
| Contact Solutions (Birmingham) Limited | Birmingham | 2010 |
| Contact Transport Limited | Birmingham | 1980 |
| Contactventure Ltd | Bolton | 2023 |
| Contain and Store Ltd | Bury St. Edmunds | 2019 |
| Contain IT Limited | Halesowen | 2007 |
| Contain the Move Ltd | Peterborough | 2026 |
| Contain Yourself Ltd | Boston | 2023 |
| Contain-A-Lot Limited | Smallwood | 1994 |
| Contain-It Self Storage Limited | Ipswich | 2006 |
| Contain-It Storage Ltd | Blackburn | 2020 |
| Contained Logistics Ltd | Pontypridd | 2022 |
| Containental Limited | Chiswick | 1982 |
| Container Agents Ltd | Kirkby | 2011 |
| Container Cities UK Limited | Leeds | 2021 |
| Container Fort Ltd | Southport | 2025 |
| Container Forwarding Solutions Ltd | Ipswich | 2019 |
| Container Freight Services Limited | Croydon | 2015 |
| Container Global Ltd | Nottingham | 2016 |
| Container Handling and Distribution Centre Ltd | Preston | 2024 |
| Container Haulage Ltd | Farnham | 2014 |
| Container Movements Limited | Liverpool | 1991 |
| Container People Storage Ltd | Huddersfield | 2024 |
| Container Providers International (UK) Limited | | 1999 |
| Container Safe Bathgate Ltd | Edinburgh | 2024 |
| Container Sales, Hire & Leasing Limited | Manchester | 2000 |
| Container Solution Providers Limited | London | 2020 |
| Container Storage Cambridge Ltd | Cheshunt | 2020 |
| Container Storage Group Ltd | Cheshunt | 2020 |