| Baker Botts LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2007 |
| Ballantynes of Walkerburn LimitedWalkerburn, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1990 |
| Banda LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2006 |
| Banter Beverages LimitedRuislip, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2021 |
| Barrett and Page LimitedFareham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2012 |
| Barry Drinks LtdHarrow, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2013 |
| Base Group LtdWhetstone, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2009 |
| Basilico LtdWellingborough, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1998 |
| Bauder LtdIpswich, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1979 |
| Bavette Bistro LtdLeeds, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2023 |
| Baxterstorey LimitedReading, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1985 |
| Baza Trade LtdBarking, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2005 |
| Bc Tma LimitedHertford, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2015 |
| Beach Point Capital Europe LLPLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Beachcomber Tours LimitedSurrey, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1988 |
| Beatville LimitedDatchet, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1990 |
| Beerpol LtdHounslow, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Beira Deli LtdLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2018 |
| Belmond LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1969 |
| Belron International LimitedEgham, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1989 |
| Bemco International UK LimitedLondon, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2002 |
| Benchmark International Capital Partners LimitedManchester, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| Bennett Opie LimitedKent, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1912 |
| Benniman LimitedBromsgrove, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 1967 |
| Benstead Abbey Resources LtdFakenham, United Kingdom · UKbensteadabbeyresources.com · checked 28 Oct 2026 | UK | 1 | – | – | – | – | 2024 |
| Bespoke Wines LtdCardiff, United Kingdom · UKbespokewineandspirits.com · checked 1 Nov 2026 | UK | 1 | – | – | –Mid (producers) | 15% | 2008 |
| Best of Highland Game LimitedEdinburgh, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2014 |
| Bevisol LtdLedbury, United Kingdom · UKchecked 28 Oct 2026 | UK | 1 | – | – | – | – | 2010 |
| 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 |