| Clive Dyer Transport Limited | St. Helens | 2006 |
| Clive E. Crowther Limited | Church Stretton | 2003 |
| Clive Neely Limited | Birmingham | 1993 |
| Clive Price Transport Limited | Hereford | 2013 |
| Clive Singleton Transport Limited | Cornwall | 2002 |
| Clive Warcup Transport Limited | Garton-On-The-Wolds | 1979 |
| Clive-Smith Associates Limited | Coventry | 1980 |
| Clives Cabs Tycroes Ltd | Ammanford | 2025 |
| Clives Refrigeration Limited | Perthshire | 1997 |
| Clivexer Ltd | Birmingham | 2022 |
| CLJ International Limited | Manchester | 2024 |
| CLK Recovery Ltd | Liverpool | 2024 |
| CLK Transport Ltd | Coventry | 2026 |
| CLL Group Limited | Leamington Spa | 2024 |
| Cllaude Ltd | London | 2024 |
| Cllaudetrans Ltd | Hinckley | 2017 |
| Cllu Ltd | Harrow | 2025 |
| CLM Amazon Limited | Penarth | 2025 |
| CLM Haulage Ltd | Newcastle Upon Tyne | 2016 |
| CLM Haulager Services Limited | Birkenhead | 2024 |
| CLM Moves Ltd | Beckenham | 2020 |
| CLM Servicess Ltd | Maidstone | 2021 |
| CLM Transport (Stornoway) Ltd | Isle Of Lewis | 2024 |
| CLM Transport Ltd | Castleford | 2017 |
| CLN Haulage Ltd | Ipswich | 2020 |
| CLN Hire Ltd | Dagenham | 2024 |
| CLN Logistics Ltd | Ashford | 2019 |
| CLN Trans Ltd | Loughborough | 2022 |
| Clnlog Services Ltd | Lincoln | 2026 |
| CLO CLO Distribution Limited | Birmingham | 2017 |
| Cloakdean Limited | Halstead | 1978 |
| Cloburn Transport Limited | Dumfries | 2003 |
| Clock & Clock Ltd | Sutton | 2024 |
| Clock Cars Limited | Wembley | 2008 |
| Clock END Courier Ltd | Maidenhead | 2026 |
| Clock Tower Cars UK Limited | Chessington | 2000 |
| Clock Work Recovery Ltd | Romford | 2025 |
| Clockhouse Cars Limited | Beckenham | 2004 |
| Clockston Self Storage Ltd | Irvine | 2025 |
| Clockwise Cars Ltd | Carshalton | 2023 |
| Clockwise Logistics Ltd | London | 2021 |
| Clockwise Transport Limited | Reading | 2001 |
| Clockwise Travel Group Ltd | Worcester Park | 2021 |
| Clockwork 24 Ltd. | Bolton | 2004 |
| Clockwork Cars Limited | London | 2019 |
| Clockwork Concierge Limited | London | 2015 |
| Clockwork Logistics Limited | Chelmsford | 2019 |
| Clockwork Removals Limited | Leeds | 2001 |
| Clockwork Transport Ltd | Bury St. Edmunds | 2020 |
| Clocotici Alexandru Ltd | Dagenham | 2017 |
| Clonlum Cargo Associates Limited | Newry | 2016 |
| Clonlum Haulage Ltd | Newry | 2016 |
| Clontigora Freight Ltd | Newry | 2008 |
| Close Brothers Vehicle Hire Limited | Ilkeston | 2001 |
| Closed Secure Storage Ltd | Norwich | 2020 |
| Closet and Concierge Limited | Whyteleafe | 2026 |
| Closs Ltd | London | 2024 |
| Clothes Journey Ltd | Dagenham | 2026 |
| Cloud 9 Aviation Limited | Bishop'S Stortford | 2024 |
| Cloud 9 Cars Limited | Barrow In Furness | 2020 |
| Cloud 9 Private Hire Ltd | Nottingham | 2018 |
| Cloud 9 Removals Limited | Cardiff | 2019 |
| Cloud 9 Transfers & Holidays Ltd | Sheffield | 2025 |
| Cloud Aero Ltd | Cardiff | 2020 |
| Cloud Aero Training Ltd | Cardiff | 2025 |
| Cloud CAB Ltd | Grays | 2026 |
| Cloud Cars Limited | Nottingham | 2012 |
| Cloud Courier Services Ltd | Gateshead | 2025 |
| Cloud Customs Solutions Ltd | Barnet | 2023 |
| Cloud Distribution Management Limited | Haywards Heath | 2013 |
| Cloud Global Ltd | Paisley | 2010 |
| Cloud Logistics Ltd | Leicester | 2026 |
| Cloud Nine Holidays Limited | Northampton | 2004 |
| Cloud Pioneer Ltd | London | 2023 |
| Cloud Rides Ltd | Twickenham | 2026 |
| Cloud Shipping Ltd | London | 2022 |
| Cloud Surfers Limited | West Chiltington | 2020 |
| Cloud Telecoms Consulting Ltd | Dagenham | 2018 |
| Cloud U.K. Ltd | London | 2017 |
| Cloud-Wise Europe Limited | London | 2024 |
| CLOUD9 Fulfilment Limited | Sheffield | 2020 |
| Clouds Logistics Limited | Sheffield | 2025 |
| Cloudsky Ltd | Glasgow | 2023 |
| Cloudsparcels Ltd | Tetbury | 2025 |
| Clough Logistics Ltd | Doncaster | 2017 |
| Cloust Delivery Ltd | Liverpool | 2025 |
| Clovelly Test Centre Ltd | Emsworth | 2008 |
| Clover Car Services Limited | Sidcup | 2013 |
| Clover Couriers Ltd | Dundee | 2025 |
| Clover Equine Services Limited | Bracknell | 2019 |
| Clover Global Logistics Limited | Sutton | 2019 |
| Clover Group International Limited | Shepperton | 1993 |
| Clover Haulage Ltd | Peterborough | 2021 |
| Clover House Limited | Bucks | 1987 |
| Clover Private Limited | Altrincham | 2026 |
| Clover Projects Limited | Burnley | 2019 |
| Clover Transport Ltd | Crook | 2022 |
| Clover Warehouse and Distribution Limited | Sutton | 2019 |
| Cloverhilllogisticd Ltd | Nelson | 2026 |
| Clovers Transport Ltd | Livingston | 2025 |