| Bevtech - Trading LtdHaywards Heath, United Kingdom · UKbevtech.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Beyond Certainty LtdEnfield, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2002 |
| Bg Cargo Minimarket LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Bgc British Georgian Company LtdDartford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2017 |
| Bghe LtdHaywards Heath, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Big Yellow Feet Production Company LtdDorking, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2002 |
| Binghams Brewery LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Bird Travel Pr LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Birdlife InternationalCambridge, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1994 |
| Biscuiteers LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Black Cat Imports LtdWokingham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2026 |
| Black Sea Vines LtdHigh Wycombe, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2025 |
| Blackstone Chambers LtdEast Grinstead, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Bladnoch Distillery LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Blanc Restaurants LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1983 |
| Blanco & Gomez Wine Merchants LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Blindfaith.online LtdCardiff, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2021 |
| Blue Ice Wine UK LtdThatcham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Blue Jack Associates LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Blue Machinery LtdBristol, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2003 |
| Blue Sky South Goa LimitedReading, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2022 |
| Blyth LimitedLeicester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1986 |
| Bmb Plastics Machinery LtdLancashire, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2004 |
| Bob Lloyd Davies LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Bodega Movil LimitedOtley, United Kingdom · UKbodegamovil.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | –Mid (producers) | 16% | 2020 |
| Bohemian Brands LimitedBishop's Stortford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Bolney Wine Estate LtdHaywards Heath, United Kingdom · UKbolneywineestate.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2003 |
| Boohoo.com UK LimitedManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Boracco It Solutions LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Borough Kitchen LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Bossagencies Holdings LimitedManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1999 |
| Boston LimitedUnited Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1992 |
| Bottle In A Box LimitedFalkirk, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Bottlecave LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Boutique Bar Brands LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Boutique da Carne LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2021 |
| Bowman Sculpture LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2012 |
| Bramerton Trading Company LimitedHammersmith, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Brampton Grange Estates LtdKingston upon Thames, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1997 |
| Brandbank LimitedNorwich, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Branded Drinks LimitedColeford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1999 |
| Brave New Spirits LtdGloucester, United Kingdom · UKbravenewspirits.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Brazilian Emporium LtdWaltham Abbey, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Bremsen Technik LimitedRichmond, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2001 |
| Bret Willson Dressage International LimitedBristol, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2011 |
| Bricco e Bacco Group LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2019 |
| Bridge Cliff LimitedBurford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2020 |
| Bright Spirits LtdPerth, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Brilet LimitedSmethwick, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2016 |
| Bringoods LtdBedford, United Kingdom · UKbringoods.co.uk · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2021 |