| Botany to Bottle Limited | Manufacturing | 2022 |
| Boughton Homes Limited | Construction | 2014 |
| Boughtonwood Homes Limited | Construction | 2015 |
| Boundary Dispute Solutions Limited | Professional & scientific | 2024 |
| Boxee Group Ltd | Professional & scientific | 2021 |
| Boxee Ltd | Professional & scientific | 2018 |
| Boxgrove Court RTE Limited | Real estate | 2003 |
| Boyanm Ltd | Health & social care | 2019 |
| Braathens Ltd | Administrative & support | 2009 |
| Brackenfield Holdings Limited | Real estate | 2016 |
| Bradleys Blinds Limited | Other services | 2017 |
| Brahma Living Limited | Wholesale & retail | 2023 |
| Brambles Godalming Limited | Households | 1984 |
| Bramley Furniture Limited | Real estate | 1986 |
| Brave New World PUB Limited | Hospitality | 2002 |
| Brave Property Management Limited | Real estate | 2004 |
| Bree Probiotics UK Ltd | Wholesale & retail | 2022 |
| Bremont Solutions Limited | Administrative & support | 2015 |
| Brendan Fairclough Limited | Arts & recreation | 2021 |
| Brennan Energy Services Ltd | Mining & quarrying | 2020 |
| Brennan Trading Limited | Hospitality | 2005 |
| Brenton Estates Limited | Real estate | 2019 |
| Brickleton Group Limited | Professional & scientific | 1998 |
| Bricqs Ltd | Real estate | 2026 |
| Bridge Gate House Management Residents Company Limited | Real estate | 2004 |
| Bridleway House Ltd | Construction | 2014 |
| Bright & Brilliant Ltd | Professional & scientific | 2015 |
| Bright Feet Quick Hands Ltd | Arts & recreation | 2020 |
| Bright Strategy UK Ltd | Professional & scientific | 2025 |
| Brightbridge Partners Limited | Professional & scientific | 2011 |
| Brighton Road (Godalming) Management Co Ltd | Households | 2008 |
| Britain Most Admired Companies Limited | Professional & scientific | 2018 |
| Britannia Berg Ltd | Wholesale & retail | 2023 |
| Broad Integrated Systems Ltd | Professional & scientific | 2011 |
| Broad Technology Ltd | Professional & scientific | 2022 |
| Broadwater Pavilion Limited | Hospitality | 2014 |
| Broadwater Sports Club Limited | Arts & recreation | 2011 |
| Brook Farm Residents Limited | Households | 1999 |
| Brook Mead Management (Cobham) Limited | Households | 1998 |
| Brook PUB Company Limited | Hospitality | 2016 |
| Brooklands Classic Cars Limited | Administrative & support | 2026 |
| Brovanture Limited | Information & communication | 2005 |
| Brownscombe Residency Limited | Other services | 2021 |
| Brownscombe Surrey Limited | Health & social care | 2021 |
| Bruton Place 1 LLP | | 2002 |
| Bryant Engineering and Research Limited | Professional & scientific | 2016 |
| BSF Property Services Ltd | Construction | 2009 |
| BTC Cess and Drainage Services Ltd | Water & waste | 2025 |
| Bubbles Pooch Parlour Ltd | Other services | 2021 |
| Bubush Ltd | Hospitality | 2019 |
| Bude Climate Partnership CIC | Professional & scientific | 2021 |
| Budle Bay Limited | Professional & scientific | 2023 |
| Build Related Ltd | Construction | 2020 |
| Build With Hubs Ltd. | Professional & scientific | 2014 |
| Buildcost Limited | Professional & scientific | 2024 |
| Builddwell Lets Ltd | Real estate | 2021 |
| Builddwell Ltd | Construction | 2020 |
| Bull 1N a CH1NA SH0P Limited | Professional & scientific | 2017 |
| Bull PEN Properties Ltd | Real estate | 1996 |
| Bumola Limited | Hospitality | 2013 |
| Burgate Farms Limited | Agriculture & fishing | 2012 |
| Burningfold Gardens & Homes Ltd | Professional & scientific | 2021 |
| Busbridge AI Ltd | Information & communication | 2024 |
| Busbridge Aviation Servicing and Leasing Limited | Administrative & support | 2018 |
| Businessenglish.Com Ltd | Education | 2013 |
| BV Mandelbrot Limited | Arts & recreation | 2025 |
| BY Sofia Ltd | Transport & logistics | 2025 |
| Byrne Road (Freehold) Company Limited | Households | 2007 |
| Byte Dental Software Limited | Information & communication | 2021 |
| Bytescraper Ltd | Water & waste | 2026 |
| Bytheway's Law Limited | Professional & scientific | 2026 |
| C D N Home Renovations Limited | Construction | 2015 |
| C H Wakeling Ltd | Wholesale & retail | 2009 |
| C J Broad Plastering Contractors Ltd | Construction | 2014 |
| C N Consultancy Limited | Administrative & support | 1998 |
| C&M Hospitality Limited | Hospitality | 2021 |
| C.C.F Fire Security Limited | Public administration | 2017 |
| C.F.Hall and Company Limited | Wholesale & retail | 1952 |
| C.J.G. (Bramley) Limited | Real estate | 1963 |
| C2B Collection Limited | Administrative & support | 2017 |
| CA Participation Limited | Professional & scientific | 2022 |
| Cadence & Clarity Ltd | Professional & scientific | 2026 |
| Caerusoft Limited | Information & communication | 2013 |
| Cake Communications Consultancy Ltd | Professional & scientific | 2018 |
| CAL North Limited | Financial services | 2025 |
| Calabritto Properties Limited | Real estate | 2018 |
| Caladrius Partners LLP | | 2024 |
| Calavera Ltd | Manufacturing | 2020 |
| Call Centre Management Association Limited | Extraterritorial | 2020 |
| Calpe Holdings Limited | Financial services | 2023 |
| Calthrop Consulting Ltd | Information & communication | 2014 |
| Calvert Gardens Limited | Households | 2013 |
| Calvert Gardens Nominee Ltd | Real estate | 2015 |
| Camdlegate Limited | Professional & scientific | 1980 |
| Cameron Theodore Ltd | Manufacturing | 2007 |
| Camoliand Land Limited | Real estate | 2021 |
| Campbell Transport & Logistics Limited | Transport & logistics | 2017 |
| Canaludy Limited | Information & communication | 2002 |
| Canary Software Consultancy Ltd | Extraterritorial | 1998 |
| Canine Dialogue Dynamics Ltd | Education | 2025 |