| Barti and Uncled Ltd | Peterborough | 2025 |
| Barti Transport Ltd | Doncaster | 2023 |
| Bartlams Contract Services Limited | Nuneaton | 2014 |
| Bartle Transport Services Limited | Retford | 1999 |
| Bartlett Car Tranpsort Ltd | Ballymoney | 2017 |
| Bartletts Supervision Limited | Newton Abbot | 2015 |
| Bartley Ltd | Wolverhampton | 2022 |
| Bartlomiej Kowalczyk Limited | Northampton | 2016 |
| Bartlomiej Trans Ltd | Cambridge | 2015 |
| Bartlomiej Wieczorek Ltd | Grimsby | 2015 |
| Bartmac Limited | Loughborough | 2007 |
| Bartnik Transport Limited | Manchester | 2013 |
| Bartol Haulage Ltd | Doncaster | 2024 |
| Barton Aviation Limited | Honiton | 1990 |
| Barton Buses Limited | Derbyshire | 1989 |
| Barton Diesel Services Limited | Manchester | 1990 |
| Barton Elmore Limited | Cambridge | 2019 |
| Barton Energy Ltd | Wellingborough | 2023 |
| Barton Freight Services Company Limited | Ipswich | 1976 |
| Barton Hughes Transport Ltd | Banbury | 2022 |
| Barton Local Cars Ltd | Burton On Trent | 2023 |
| Barton Petroleum (Holdings) Limited | Wellingborough | 2004 |
| Barton Petroleum Limited | Wellingborough | 1944 |
| Barton TT Taxis Limited | Scunthorpe | 2010 |
| Barton Village Taxis Ltd | Burton-On-Trent | 2018 |
| Bartone Transport Ltd | Warrington | 2019 |
| Bartosz Kapteina Ltd | Poole | 2026 |
| Bartosz Kulecki Ltd | London | 2018 |
| Bartosz Nowak Ltd | Bristol | 2015 |
| Bartosz Piotr Zielonka Ltd | Liverpool | 2022 |
| Bartosz Zyla Services Ltd | Cambridge | 2023 |
| Bartoszputz Ltd | Bedford | 2018 |
| Bartoz Transport Ltd. | Manchester | 2017 |
| Bartq Ltd | Walsall | 2014 |
| Bartq-Speed Ltd | Peterborough | 2026 |
| Bartrans (N.I.) Limited | Belfast | 2020 |
| Bartrans Limited | Rugby | 2018 |
| Bartrum's Road Services Limited | Suffolk | 1955 |
| Bartrums Haulage and Storage Limited | Suffolk | 1978 |
| Barts Enterprises Limited | Nuneaton | 2025 |
| Barts Services Limited | London | 2021 |
| Bartspeedtrans Ltd | Salford | 2015 |
| BARTUNIO25 Ltd | London | 2018 |
| Baruch Logistics Ltd. | London | 2016 |
| Baruch Support Ltd | Leicester | 2025 |
| Baruh Ltd | Caerdydd | 2026 |
| Baruk Limited | Ilford | 1988 |
| Barum Cabs 2021 Ltd | Barnstaple | 2021 |
| Barum Ltd | Barnstaple | 2014 |
| Barvic Logistics Limited | Coventry | 2014 |
| Barwaaqo Transport Ltd | Birmingham | 2020 |
| Barwaqo Limited | Bristol | 2020 |
| Barwell Aviation Limited | Northampton | 2019 |
| Barwell Trailer Hire Limited | Leicestershire | 2006 |
| Barwick Self Storage Ltd | Leeds | 2017 |
| Barwick Transport Limited | Nottingham | 2008 |
| Bary Trans Ltd | London | 2019 |
| Bary Transport Ltd | Corby | 2025 |
| Barzan 1 Ltd | Birmingham | 2025 |
| BAS Driving Services Limited | Corby | 2021 |
| BAS Hire Ltd | Luton | 2026 |
| BAS Logistics UK Ltd | Newcastle | 2025 |
| BAS Transport Ltd | Leicester | 2017 |
| BAS222 Ltd | West Bromwich | 2019 |
| Basahanvi Travel Ltd | Birmingham | 2025 |
| Basak Kayabinar Soprano Ltd | London | 2023 |
| Basal Harry Ltd | Morden | 2017 |
| Basalp Ltd | Kenton | 2026 |
| Basam Transport Ltd | Wolverhampton | 2023 |
| Basarab Ltd | Purfleet-On-Thames | 2024 |
| Bascarau Ionel Ltd | Boston | 2015 |
| Base Bike Limited | London | 2019 |
| Base Hire Delivery Ltd | Normanton | 2025 |
| Base Hire Limited | London | 2025 |
| Base Logistics Ltd | Ammanford | 2005 |
| Base Management Ltd | Farnborough | 2022 |
| Base Smart Ltd | London | 2021 |
| BASEBALL13 Ltd | Bristol | 2023 |
| Basedin Amber Ltd | Slough | 2026 |
| Baseleys Transport Ltd | Hinckley | 2021 |
| Basement Storage Limited | Kirkby Overblow | 2019 |
| Basford Recovery & Storage Limited | Nottingham | 2025 |
| Bash GTS Ltd | Reading | 2025 |
| Bash Hires Ltd | Leeds | 2024 |
| Bash London Trading Ltd | Mitcham | 2021 |
| Bash of London Tour and Travel Limited | Croydon | 2023 |
| Bash Trading Ltd | Sutton | 2020 |
| BASHAA1 Limited | London | 2020 |
| Bashee 1 Ltd | London | 2025 |
| Basheer SON Logistics Ltd | Nottingham | 2023 |
| Bashir Ahmed Limited | Beds | 2017 |
| Bashir Sons Private Ltd | Crawley | 2018 |
| Bashir Transport Solutions Ltd | Gloucester | 2021 |
| Bashir Travels Limited | Bradford | 2016 |
| Bashsolutions Ltd | Birmingham | 2026 |
| Basia Enterprises Ltd | Sheffield | 2017 |
| Basia Transport Ltd | Wellingborough | 2024 |
| Basil & Joy Limited | Portsmouth | 2021 |
| Basil Freeman and SON Transport Limited | Gloucester | 2006 |
| Basil Gondal Ltd | Surbiton | 2017 |