| Allen (Driver) Services Limited | Bristol | 2010 |
| Allen (French Polishers) Limited | Nottingham | 1948 |
| Allen A.F. Cleaning & Removal Import & Export Services Ltd | Enfield | 2021 |
| Allen Aviation Ltd | Yeovil | 2013 |
| Allen Chimwae Couriers Limited | Shifnal | 2021 |
| Allen Haulage Limited | East Ham | 2013 |
| Allen Logistics (NI) Ltd | Craigavon | 2001 |
| Allen Relo Ltd | Wantage | 2022 |
| Allen Smith (Haulage) Limited | Hull | 1975 |
| Allen Transport Limited | Northwood | 2013 |
| Allen's (Stourbridge) Transport Limited | West Midlands | 1989 |
| Allen's Haulage Ltd | Walsall | 2023 |
| Allen's Taxis Limited | Stanmore | 2003 |
| Allenby Coach Hire Limited | Warlingham | 2005 |
| Allenby Haulage Ltd | Thirsk | 2023 |
| Allenco Worldwide (Freight Management) Limited | Birmingham | 2001 |
| Allendale Logistics Ltd | Suffolk | 2000 |
| Allenek Industries Ltd | London | 2012 |
| Allenray Limited | | 1986 |
| Allens of Caledon Limited | Caledon | 2026 |
| Allens Transport Limited | Ipswich | 2001 |
| Allensway Transport Limited | York | 2004 |
| Allerton Cross Marine (UK) Limited | London | 2025 |
| Allerton PO Ltd | Bradford | 2025 |
| Allerton Transport Ltd | Leicester | 2014 |
| Allexpress Ltd | Birmingham | 2016 |
| Allexy Ltd | Spalding | 2025 |
| Alleyna PVT Limited | Slough | 2025 |
| Allgate Logistics (UK) Limited | London | 2019 |
| Allgeo Ltd | Rickmansworth | 2018 |
| Allgo Cargo Ltd | Brentford | 2023 |
| Allgod Limited | Staines-Upon-Thames | 2016 |
| Allgoodload Limited | Stoke-On-Trent | 2026 |
| Alli-Balogun Cargo & Logistics Limited | Dartford | 2026 |
| Alliance 103 Ltd | London | 2018 |
| Alliance Ambulance Services Ltd | Glasgow | 2018 |
| Alliance Chauffeurs Ltd | Chester | 2020 |
| Alliance Concrete Pumps Limited | Gravesend | 2020 |
| Alliance Couriers Limited | Dewsbury | 2010 |
| Alliance Express Ltd | Leamington Spa | 2020 |
| Alliance Flooring Distribution Limited | Worcester | 2005 |
| Alliance Freight (UK) Ltd | Warrington | 2023 |
| Alliance K2 Logistics Ltd | Dagenham | 2021 |
| Alliance Logistics Ltd | Southampton | 2025 |
| Alliance Meditech Limited | Aylesbury | 2020 |
| Alliance Moving Services Ltd | Hove | 2012 |
| Alliance Parking UK Ltd | St Columb | 2015 |
| Alliance Rail Ltd | Wetherby | 2023 |
| Alliance Route Logistics Ltd | Milton Keynes | 2026 |
| Alliance Sea UK Limited | London | 2023 |
| Alliance Sort Team Ltd | Glasgow | 2024 |
| Alliance Station Ltd | London | 2016 |
| Alliance Taxis Limited | Manchester | 2004 |
| Alliance Trade & Distribution Limited | Manchester | 2016 |
| Alliance Transport (PV T) Ltd | Huddersfield | 2020 |
| Alliance Transport Technologies Ltd | Birmingham | 2017 |
| Alliance Transport UK Ltd | Boston | 2021 |
| Alliance Travels & Logistics Ltd | Ruislip, | 2024 |
| Alliance UK CPH Limited | Woking | 2017 |
| Alliance UK Shipping and Trading Ltd | London | 2023 |
| Alliance UK Transportation Limited | Wednesbury | 2025 |
| Alliance Vehicle Hire Ltd | Derby | 2026 |
| Alliancenetworkuk Ltd | Ross-On-Wye | 2026 |
| Allianz Bulk CFR8 Limited | London | 2021 |
| Allianz Cars Ltd | Ilford | 2024 |
| Allicia Haynes Ltd | Banbury | 2025 |
| Allied Capital Investment PLC | London | 1985 |
| Allied Catering Supplies (Yorkshire) Limited | London | 2001 |
| Allied Contract Services Limited | Harlow | 2005 |
| Allied Dominion Limited | Dudley | 1996 |
| Allied Facilities Services Ltd | Kenley | 2021 |
| Allied Freight & Logistic Ltd | Bolton | 2026 |
| Allied GAS Limited | Salisbury | 2024 |
| Allied Hackneys of Wallasey Limited | Wallasey | 2009 |
| Allied Logistical Services Ltd | Harlow | 2015 |
| Allied Logistics Limited | West Drayton | 2017 |
| Allied Movers Ltd | Slough | 2025 |
| Allied National Recycling Limited | Eastleigh | 2014 |
| Allied Partner Ltd | Wellingborough | 2018 |
| Allied Secure Transport Ltd | Fareham | 2023 |
| Allied Storage Limited | Keighley | 2025 |
| Allied Taxis (Buxton) Ltd | Buxton | 2021 |
| Allied Taxis Shetland Limited | Shetland | 2010 |
| Allied Taxis Watford Ltd | Watford | 2008 |
| Allied Travel Solutions Ltd | Birmingham | 2023 |
| Allied Tricore Services Ltd | Isleworth | 2025 |
| Allied TS Ltd | Manchester | 2012 |
| Allied Vehicle Assist Ltd | Bolton | 2014 |
| Allied Ventures Group Limited | Leigh | 2026 |
| Allied&Allan Services Limited | Gravesend | 2019 |
| Alligator Logistics Ltd | Croydon | 2025 |
| Allin Deliveries Limited | Ipswich | 2020 |
| Allin Logistics Ltd | Mildenhall | 2025 |
| Allingham Transport Limited | Co Tyrone | 1997 |
| Allington Marina Limited | Maidstone | 1963 |
| Allinn Services Ltd | Glasgow | 2024 |
| Allinonetransport Ltd | Knottingley | 2020 |
| Allinson Travel Ltd | Stoke-On-Trent | 2025 |
| Allione Ltd | Cardiff | 2016 |
| Allison European Limited | Milton Keynes | 2015 |