| Bees Knees Honey Limited | Agriculture & fishing | 2026 |
| Bekwood Ltd | Wholesale & retail | 2010 |
| Belle Casa (Guildford) Limited | Administrative & support | 2003 |
| Belle House (Sutton) Management Limited | Households | 2022 |
| Belle SKI Limited | Real estate | 2021 |
| Bellerophon Consulting (International) Limited | Information & communication | 1999 |
| Bemotion Limited | Information & communication | 2019 |
| BEN Holland Sound Limited | Information & communication | 2006 |
| Benedict Building Ltd | Construction | 2020 |
| Bentsbrook Productions Ltd | Information & communication | 2015 |
| Berkshire Asset Management Limited | Real estate | 2016 |
| Berwald Ltd | Wholesale & retail | 1997 |
| Bessinger Design Ltd | Manufacturing | 2009 |
| Best (Agriculture) Limited | Wholesale & retail | 1961 |
| Best Coffee & Tea UK Ltd | Wholesale & retail | 2018 |
| Best LOG Cabin Limited | Real estate | 2017 |
| Betchworth Park Golf Club (Dorking) Limited | Arts & recreation | 1941 |
| Betchworth Place (Dorking) Management Company Limited | Households | 2011 |
| Betchworth Village PO Limited | Wholesale & retail | 2025 |
| Beverley Mews Freehold Limited | Households | 2005 |
| Beverley Mews Residents Company Limited | Households | 1998 |
| Beyond Bidding Ltd | Professional & scientific | 2023 |
| Beyond Bounds Limited | Professional & scientific | 2011 |
| Beyond Medispa Limited | Health & social care | 2015 |
| Bezast Services Ltd | Other services | 2020 |
| BGR Management Services Limited | Professional & scientific | 2017 |
| Bianos Limited | Professional & scientific | 2024 |
| Big Rooster Ltd | Hospitality | 2021 |
| Bigoudi Limited | Wholesale & retail | 1986 |
| Binomial Group Limited | Financial services | 1998 |
| BIO Sustainable Materials International Limited | Wholesale & retail | 2024 |
| BIO Trading Limited | Wholesale & retail | 1999 |
| Birchtree Consulting Ltd | Professional & scientific | 2011 |
| Birth and More Ltd | Education | 2020 |
| Biwater Industries Limited | Professional & scientific | 1995 |
| Biwater Overseas Limited | Professional & scientific | 1991 |
| BKH Aviation Limited | Administrative & support | 2009 |
| BKH Building Services Ltd | Construction | 2005 |
| BL Entertainment S1 Ltd | Other services | 2025 |
| Black Bear FX Limited | Arts & recreation | 2023 |
| Black Magic Marine Ltd | Professional & scientific | 2017 |
| Blackrock UK Limited | Professional & scientific | 2007 |
| Blade and Bone Butchery Limited | Wholesale & retail | 2025 |
| Blair Property Ltd | Real estate | 2019 |
| Blindingly Simple Ideas Limited | Wholesale & retail | 2004 |
| Blockhead Holdings Limited | Financial services | 2024 |
| Blooms & Blossom Ltd | Administrative & support | 2018 |
| Blue Breeze Offshore Ltd | Administrative & support | 2025 |
| Blue Copper Technology Ltd | Information & communication | 2003 |
| Blue Rhino Art Ltd | Wholesale & retail | 2022 |
| Blue Signal Ltd | Water & waste | 1995 |
| Blue Sky Imaging Limited | Manufacturing | 1998 |
| Blue Star Build Limited | Construction | 2014 |
| Bluebell Lane (Sharpthorne) Management Company Ltd | Households | 2019 |
| Bluebird PR Ltd | Professional & scientific | 2014 |
| Blueprint Floors Ltd | Construction | 2019 |
| Bluester Limited | Professional & scientific | 2009 |
| Boardbrick Limited | Administrative & support | 2004 |
| Boardley & Brewer Limited | Manufacturing | 2001 |
| BOB Newton Ltd | Information & communication | 2002 |
| Boleyn Marten Limited | Professional & scientific | 2012 |
| Bolsena Ltd | Professional & scientific | 2024 |
| Bolzano Digital Ltd | Professional & scientific | 2024 |
| Bomu LLP | | 2014 |
| Bonight Properties Limited | Real estate | 1997 |
| Bonty Ltd | Wholesale & retail | 2024 |
| Boodt Ltd | Professional & scientific | 2019 |
| Bookham Consulting Associates Ltd | Professional & scientific | 2001 |
| Bookham Grove Management Company Limited | Households | 1984 |
| Bookham Old Hotel Ltd | Households | 2025 |
| Bookham Saddlery Limited | Manufacturing | 2002 |
| Bookingsdirect Limited | Arts & recreation | 2001 |
| Bookroom Ltd | Professional & scientific | 2021 |
| Boom-Time Ltd | Manufacturing | 2019 |
| Boomplaas Ltd | Professional & scientific | 2020 |
| Bottle of Red Productions Ltd | Information & communication | 2011 |
| Bourton Media Ltd | Professional & scientific | 2021 |
| Boutique Print Limited | Manufacturing | 1996 |
| Bovenex Limited | Construction | 1982 |
| Bowler Fern Editorial Ltd | Information & communication | 2018 |
| Box Hill School Trust Limited | Education | 1961 |
| Boxhill Auto Solutions Limited | Wholesale & retail | 2015 |
| Boxhill Caravan Haulage Limited | Transport & logistics | 2012 |
| Boxhill Caravans Limited | Transport & logistics | 2001 |
| Boxhill Farm Barns Residents Company Limited | Households | 1999 |
| Boxhurst Management Company (1993) Limited | Households | 1993 |
| BPG EOT Trustees Limited | Professional & scientific | 2020 |
| BPG Limited | Professional & scientific | 1988 |
| BPS Dorking Limited | Professional & scientific | 2013 |
| BR Johnson Racing LLP | | 2020 |
| Brabner Developments Ltd. | Construction | 1972 |
| Bradley Burgess Design Ltd | Construction | 2018 |
| Bradley Pearce Plumbing & Heating Limited | Construction | 2011 |
| Brainytrip Ltd | Information & communication | 2025 |
| Bramber Close Residents Management Company Limited | Households | 2013 |
| Bramley First Ltd | Other services | 2013 |
| Bramley Links Developments (Housing) Limited | Construction | 2012 |
| Bramley Links Developments Limited | Construction | 2009 |
| Bramshott House Freehold Limited | Households | 2019 |
| Brand Portfolio Management Limited | Construction | 2013 |