| Connect Parcels (NW) Ltd | Liverpool | 2026 |
| Connect Plus Manchester Ltd | Tugby | 2018 |
| Connect Relocations & Storage Ltd | Guildford | 2025 |
| Connect Shipping Solutions Ltd | Cheadle | 2013 |
| Connect Taxis Dunfermline Ltd | Dunfermline | 2022 |
| Connect Time Ltd. | London | 2016 |
| Connect Traffic Management Limited | London | 2009 |
| Connect Transport Ltd | London | 2015 |
| Connect Transport Services Limited | Cardiff | 2017 |
| Connect Van Vista Logistics Ltd | Birmingham | 2024 |
| Connect Vehicle Movements Limited | Northampton | 2018 |
| Connect Worlds for Recruitment Ltd | Leicester | 2026 |
| Connect Xtreme Limited | Chatham | 2025 |
| CONNECT22 Consultancy Limited | Southall | 2017 |
| CONNECT2CARGO Limited | Bolton | 2020 |
| CONNECT365GROUP Limited | Basildon | 2020 |
| CONNECT999 Limited | Basingstoke | 2024 |
| Connecta Healthcare Ltd | Burnley | 2022 |
| Connected Car Services Limited | Manchester | 2023 |
| Connected Countrywide Ltd | Wolverhampton | 2020 |
| Connected Courier Services Limited | Caerphilly | 2025 |
| Connected Facilities Management Limited | Diss | 2026 |
| Connected Logistics Ltd | Felixstowe | 2023 |
| Connected Logistics Solutions Ltd | Altrincham | 2024 |
| Connected Transport Limited | St. Austell | 2025 |
| Connected Transport Systems Ltd | London | 2016 |
| Connecting People Limited | Hertfordshire | 1997 |
| Connection Direct Ltd | London | 2025 |
| Connection Express Parcels Limited | Felpham | 2002 |
| Connection Ring Ltd | Castleford | 2025 |
| Connections 4 YOU Limited | Ramsgate | 2003 |
| Connections Courier Services (1986) Limited | Woking | 2004 |
| Connections Taxis Ltd | Rossendale | 2019 |
| Connections Transport Ltd | Birmingham | 2022 |
| Connections UK Brighton Ltd | Brighton | 2011 |
| Connectionsukgroup Ltd | Eastbourne | 2019 |
| Connectis Inc Ltd | London | 2026 |
| Connectiva Ltd | Norwich | 2026 |
| Connecto Airport Taxis Limited | Stansted | 2023 |
| Connectrans Logistics Limited | Milton Keynes | 2021 |
| Connectsend Ltd | London | 2025 |
| Connectxl Ltd | Reading | 2014 |
| Connell (MPA) Limited | | 2000 |
| Connell Haulage and Plant Ltd | Bath | 2019 |
| Connell Waste Limited | Canvey Island | 2022 |
| Connelly Aviation Limited | Porthcawl | 2009 |
| Connex Aviation Limited | Stansted | 2013 |
| Connex Logistics Ltd | Nottingham | 2024 |
| Connex Network Management Solutions Ltd | Cardiff | 2026 |
| Connex South Eastern | Harrogate | 1995 |
| Connex Travel Limited | Holmfirth | 2005 |
| Connexion Logistics Ltd | Wellingborough | 2026 |
| Connexions Executive Travel Limited | Bristol | 2025 |
| Connexionsbuses Limited | York | 2016 |
| Connexus Aviation Ltd | Colchester | 2025 |
| Connicity Ltd | London | 2025 |
| Connie Couriers Ltd | Alfreton | 2013 |
| Connoisseur International Distribution Limited | Staines-Upon-Thames | 1997 |
| Connoisseur International Whisky Ltd | Glasgow | 2021 |
| Connoisseur Recovery Limited | Southall | 2004 |
| Connolly Brothers Haulage Ltd | Enniskillen | 2021 |
| Connolly Freight Limited | Merseyside | 2001 |
| Connolly Haulage Limited | Armagh | 2017 |
| Connor Bailey Logistics Ltd | Newcastle Upon Tyne | 2025 |
| Connor Blakey Logistics Limited | Redcar | 2025 |
| Connor Brown Logistics Ltd | Stockton-On-Tees | 2025 |
| Connor Carriers Limited | Kington | 2023 |
| Connor Carter Services Ltd | Middlesbrough | 2026 |
| Connor Essery Ltd | Liverpool | 2025 |
| Connor Family Enterprises Ltd | Lincoln | 2025 |
| Connor Mechanical Services Limited | Aylesbury | 1973 |
| Connor Sutton Transport Ltd | Norwich | 2023 |
| Connor the Gangsman Limited | Addlestone | 2019 |
| Connors Logistics Limited | London | 2026 |
| Connymc Ltd | Doncaster | 2020 |
| Conor Crawford Ltd | Belfast | 2021 |
| Conor Donnelly Contracts Ltd | Enniskillen | 2025 |
| Conquest Guarding Limited | Cardiff | 2018 |
| Conquest Shipping Limited | Woodford Green | 1990 |
| Conquest Transport Ltd | Bedford | 2025 |
| Conquistador Sailing Ltd | Grantham | 2018 |
| Conrad Delivery Service Ltd | London | 2023 |
| Conrad Ranger Limited | Belvedere | 2015 |
| Conran Ltd | London | 2025 |
| Conroy Logistics Ltd | Colwyn Bay | 2026 |
| Conroy Sand Ltd | Romford | 2025 |
| Cons Trans Limited | Doncaster | 2022 |
| Consan Management Ltd | London | 2021 |
| Conscar Limited | Weymouth | 2017 |
| Conscious Clearance and Removals Services CIC | Liverpool | 2026 |
| Consea Holdings UK Limited | Knowsley Park | 2018 |
| Consett Cars Ltd | Consett | 2020 |
| Consigned Limited | Coventry | 2021 |
| Consignia Logistics Ltd | Sunderland | 2020 |
| Consignment Express Ltd | Malmesbury | 2010 |
| Consignment GB Limited | Norwich | 2013 |
| Consilia Connect Ltd | Milton Keynes | 2024 |
| Consistent Logistics Ltd | Leeds | 2024 |
| CONSOLID8 Logistics Limited | Gloucester | 2006 |
| Consolidated Fork Truck Services Limited | Newbury | 2001 |