| CNG Logistics Ltd | Little Paxton Saint Neots | 2022 |
| CNI Couriers Ltd | Bradford | 2022 |
| Cnistordrv Ltd | Southport | 2016 |
| CNJ Maritime Ltd | Bury St. Edmunds | 2026 |
| CNL & GA Ltd | Buckley | 2019 |
| Cnmluk Ltd | Exeter | 2019 |
| Cnmx Ltd | North Shields | 2022 |
| CNN Transport Ltd | Market Weighton | 2016 |
| Cnon Offshore Limited | Holyhead | 2018 |
| CNP Logistics Ltd | Birds Royd Lane | 2025 |
| CNP Peret Ltd | Telford | 2019 |
| CNR Abnormal Load Services Ltd | Cumnock | 2025 |
| CNR Empire Ltd | London | 2017 |
| Cnr-Sagarmatha Limited | Stonehouse | 2017 |
| CNS Agri Ltd | London | 2020 |
| CNS Automotive Ltd | Newport | 2024 |
| CNS Couriers Ltd | Tonbridge | 2021 |
| CNS Transport Limited | Newry | 2014 |
| Cnslog Ltd | Broom Biggleswade | 2019 |
| CNT29 Moves Ltd | London | 2025 |
| CNU Logistics Ltd | Castleford | 2022 |
| CNW Courier Network UK Ltd. | Edgware | 2022 |
| Cnxtrans Ltd | Southampton | 2025 |
| Co & Alessia Ltd | Sheffield | 2014 |
| Co Charger Limited | Exeter | 2020 |
| Co Drives Ltd | Barnet | 2024 |
| Co Exec Transfer Ltd | Manchester | 2025 |
| Co Freights Limited | West Bromwich | 2025 |
| Co Stars London Ltd | Orpington | 2014 |
| Co Technologies Ltd | Glasgow | 2021 |
| Co Trans Ltd | London | 2019 |
| Co Transport Ltd | Sheffield | 2018 |
| Co UK Shipping and Trading Limited | Colchester | 2014 |
| Co Vatavu Ltd | Doncaster | 2022 |
| Co&Rona Ltd | Doncaster | 2021 |
| Co-Op Logistics Ltd | London | 2017 |
| Co-Op Travel Services Limited | Warwick | 2014 |
| Co-Operative Holidays Limited | Warwick | 2015 |
| Co.Man Group Ltd | Leeds | 2026 |
| COA Shipping Limited | London | 2024 |
| Coach and BUS Limited | Accrington | 2011 |
| Coach Connections Ireland Ltd | Newtownards | 2022 |
| Coach Direct Limited | Leigh-On-Sea | 1997 |
| Coach Driver Alex Ltd | Warrington | 2025 |
| Coach Events Services Ltd | Southampton | 2015 |
| Coach Hire Connect Limited | Ashford | 2025 |
| Coach Hire Direct Limited | Rochdale | 2023 |
| Coach Hire Directory Ltd | Watford | 2025 |
| Coach Hire Edinburgh Limited | Edinburgh | 2017 |
| Coach Hire Executive Travel Ltd | Preston | 2002 |
| Coach Hire Limited | Cardiff | 2015 |
| Coach Hire Link Limited | Hayes | 2015 |
| Coach Hire London Ltd | London | 2022 |
| Coach Hire Network Limited | Birmingham | 2014 |
| Coach Hire Rental Ltd | Manchester | 2023 |
| Coach Hire Services Limited | London | 2023 |
| Coach Hire Solutions Limited | London | 2026 |
| Coach Hire Surrey Limited | Walton-On-Thames | 2012 |
| Coach House Land Limited | Chichester | 2009 |
| Coach Innovations Limited | Kidderminster | 2006 |
| Coach Journey Travels Limited | London | 2025 |
| Coach Logistics Limited | Hereford | 2016 |
| Coach Pro UK Ltd | Sheffield | 2020 |
| Coach Routes Ltd | London | 2025 |
| Coach Services Limited | Norfolk | 1947 |
| Coach Services Reading Limited | Reading | 2014 |
| Coach to Group Ltd | Prestatyn | 2026 |
| Coach Tours & Travel Limited | Wolverhampton | 2011 |
| Coach Transport Solutions Limited | Lincoln | 2012 |
| Coach Travel Ireland Ltd | Belfast | 2023 |
| Coach Travel Limited | Westerham | 1990 |
| Coach Travel Services Limited | Huddersfield | 2006 |
| Coach Travel Solutions Ltd | Blackburn | 2017 |
| Coach Trips From London Limited | London | 2015 |
| COACH1 Limited | Newbury | 2011 |
| COACH2.COM Limited | Northallerton | 2010 |
| COACH2GO.CO.UK Limited | Huddersfield | 2020 |
| Coachfinder Limited | Hyde | 1998 |
| Coachlines of Warrington Limited | Warrington | 1987 |
| Coachman Enterprises Limited | Coventry | 2012 |
| Coachmate Ltd | Smethwick | 2026 |
| Coachpoint Ltd | Aldershot | 2016 |
| Coachtime Travel Ltd | Bradford | 2019 |
| Coachtravel Jozef Popielarski Ltd | Leeds | 2021 |
| Coachtravelhub Limited | High Wycombe | 2026 |
| Coachtravelsolutions Group Ltd | Walton-On-Thames | 2021 |
| Coachx Ltd | Bedford | 2024 |
| Coairy Ltd | Sutton Coldfield | 2021 |
| Coakley Brothers (Scotland) Limited | Bellshill | 2013 |
| Coalisland Taxi's Limited | Dungannon | 2015 |
| Coalshaw Green Ltd | Wilmslow | 2023 |
| Coalville Cabs Limited | Leicester | 2015 |
| Coalville Haulage Limited | Coalville | 2021 |
| COALVILLEDOOR2DOORSTORAGE Ltd | Coalville | 2019 |
| Coanzido Ltd | Northampton | 2020 |
| Coar Accident Management Ltd | Dungannon | 2025 |
| Coast & City Drivers Limited | Whitstable | 2026 |
| Coast 2 Coast ( Halifax) Ltd | Halifax | 2023 |
| Coast 2 Coast Haulage Ltd | Weymouth | 2009 |
| Coast 2 Coast Logistics Ltd | Romford | 2012 |