| Come in a Van Ltd | Dumbarton | 2025 |
| Come on Lets Go Limited | Wellingborough | 2015 |
| Come VA Ltd | Norwich | 2020 |
| Come YAH Ltd | Thornton Heath | 2024 |
| Comech Metrology Limited | Derby | 2005 |
| Comed Aviation Limited | Poulton-Le-Fylde | 2021 |
| Comelu HGV Trans Ltd | Boston | 2024 |
| Comestine Services Ltd | London | 2022 |
| Comet Car Hire (CCH) Limited | West Drayton | 2008 |
| Comet Commercial Vehicles Limited | Dalkeith | 2008 |
| Comet Couriers Ltd | Glasgow | 2019 |
| Cometa 2019 Ltd | Southampton | 2019 |
| Comficab Ltd | Cardiff | 2024 |
| Comficars UK Limited | Reading | 2018 |
| Comfo Cars Ltd | Slough | 2021 |
| Comfordek Company Limited | Gravesend | 2011 |
| Comfort Airport Transfer Ltd | Aylesbury | 2023 |
| Comfort CAB Limited | Huddersfield | 2025 |
| Comfort CAB Services Ltd | Worcester | 2025 |
| Comfort Cargo and Easy Logistics Limited | Rochester | 2025 |
| Comfort Cars Hub Ltd | London | 2025 |
| Comfort Cars Ltd. | Essex | 2005 |
| Comfort Climate Limited | Southall | 2025 |
| Comfort Coaches Limited | Slough | 2011 |
| Comfort Coaches Transport Ltd | Northampton | 2025 |
| Comfort Exec Chauffeur Limited | Hounslow | 2023 |
| Comfort Logistics Limited | London | 2019 |
| Comfort Moves Ltd | Chippenham | 2013 |
| Comfort Ride Limited | Grays | 2017 |
| Comfort Services UK Limited Ltd. | Rochester | 2019 |
| Comfort Taxi Limited | Dereham | 2025 |
| Comfort Taxis Haywards Heath Ltd | Haywards Heath | 2026 |
| Comfort Transfer London (CTP) Ltd | Diss | 2021 |
| Comfort Transfers Limited | London | 2024 |
| Comfort Transport (UK) Ltd | London | 2011 |
| Comfort Travel Services Ltd | Hull | 2026 |
| Comfort Travels Salford Limited | Birmingham | 2023 |
| Comfort Travels Taxi Ltd | Stoke-On-Trent | 2022 |
| Comfort Travels Wolverhampton Limited | Coventry | 2026 |
| Comfort Trips Limited | London | 2024 |
| Comfort Voyage Limited | London | 2022 |
| Comfortable Adventure Limited | Milton Keynes | 2025 |
| Comfortable Passage Ltd | London | 2020 |
| Comfortable Voyage Limited | London | 2022 |
| Comforter UK Limited | London | 2017 |
| Comfortlayer Ltd | Manchester | 2019 |
| Comfy Cars Limited | Stockport | 2015 |
| Comfy Connect Ltd | London | 2021 |
| Comfy Drive Executive Ltd | Borehamwood | 2025 |
| Comfy Home Care Ltd | Stanmore | 2023 |
| Comfy Ride Ltd | West Drayton | 2022 |
| Comfy Routes Limited | Hereford | 2025 |
| Comfy Tours Limited | Fleetwood | 2014 |
| Comfy Transfers Ltd | London | 2026 |
| Comfy Transport Ltd | Harrow | 2023 |
| Comfy Travel Ltd | Ilford | 2024 |
| Comfycare Massage&Physical Wellness AID Ltd | Newcastle Upon Tyne | 2021 |
| Comfyride Private Hire Ltd | Telford | 2024 |
| Comi Logistic Ltd | Dagenham | 2015 |
| Comi Transport Ltd | Watford | 2018 |
| Cominto Ltd | London | 2025 |
| Comiston Limited | Edinburgh | 2024 |
| Command Couriers Ltd | Holmfirth | 2025 |
| Command Transport Ltd | Macclesfield | 2020 |
| Commander Logistics Limited | Ilford | 2011 |
| Commandery Coaches (Worcester) Limited | Worcester | 2012 |
| Commando Recovery Ltd | Lee Mill | 2026 |
| Commbus.Com Limited | Birmingham | 2000 |
| Commerce Quest Ltd | Thornton Heath | 2019 |
| Commercial Boat Services Ltd | Chester | 1997 |
| Commercial Charter Boats Northern Ireland Ltd | Carrickfergus | 2023 |
| Commercial Choice Clearances Ltd | Letchworth Garden City | 2025 |
| Commercial Clearance UK Limited | London | 2018 |
| Commercial Deliveries (Europe) Limited | Sheffield | 1988 |
| Commercial Deliveries UK Ltd | Manchester | 2025 |
| Commercial Driver Hire Ltd | Nottingham | 2014 |
| Commercial Drivers Personnel Limited | Bury St Edmunds | 2005 |
| Commercial Forwarding Limited | London | 2009 |
| Commercial Freight Services International Limited | Battle | 2000 |
| Commercial Logistics and Trading Limited | London | 2008 |
| Commercial Logistics Services Ltd | Hemel Hempstead | 2020 |
| Commercial Motors Marine Rentals and Storage Limited | Wembley | 2007 |
| Commercial Moves Group Limited | Aberdeen | 2016 |
| Commercial Moving Services Ltd | Knowsley | 2018 |
| Commercial Overseas Drivers International Limited | Folkestone | 1992 |
| Commercial Relocation Services Limited | Newquay | 2011 |
| Commercial Scheduling Limited | Gravesend | 2025 |
| Commercial Showfer Limited | Egham | 2013 |
| Commercial Transfer Limited | London | 2006 |
| Commercial Transport Ltd | Northampton | 2023 |
| Commercial Transport Solutions Limited | Nuneaton | 2024 |
| Commercial Vehicle Advice Limited | Dalkeith | 2023 |
| Commercial Vehicle Movements Limited | Coalville | 2000 |
| COMMERCIAL1ST Ltd | London | 2022 |
| Commerical Aviation Pilot Services Ltd | London | 2022 |
| Commex Services Ltd | Birmingham | 2017 |
| Commfree Ltd | Kidderminster | 2019 |
| Committed Companions Ltd | Tetbury | 2025 |
| Committed Solutions Ltd | Milton Keynes | 2020 |
| Commminibus Limited | Rushden | 2020 |