| BEN Peters Builders Ltd | Construction | 2013 |
| Bengal Cottage Torquay Ltd | Hospitality | 2025 |
| Bentley Blyth Limited | Financial services | 2019 |
| Berkeley Towers Management Company Limited | Real estate | 2022 |
| Berkeley Villas (Torquay) Limited | Households | 1992 |
| Berkshire Court (Torquay) Limited | Households | 1988 |
| Berrynarbour Investments Limited | Hospitality | 2018 |
| Bespoke Hub Limited | Extraterritorial | 2018 |
| Best Chicken Land UK Ltd | Hospitality | 2018 |
| Best Click Solutions Ltd | Information & communication | 2011 |
| Best Kebab and Pizza 02 Ltd | Hospitality | 2024 |
| Betelgeuse Entertainment Ltd | Information & communication | 2019 |
| Better Bargains Torquay Ltd | Wholesale & retail | 2024 |
| Bettesworths Ltd | Real estate | 1998 |
| Bettesworths Property Management Ltd | Real estate | 2004 |
| Beverley Northwood Ltd | Real estate | 2024 |
| Beyond Key Elements Ltd | Professional & scientific | 2018 |
| BH Exit LLP | | 2013 |
| BHL Hotels Limited | Hospitality | 2024 |
| Bickham Holdings Limited | Financial services | 2021 |
| Biddle Cleaning Services Limited | Administrative & support | 2017 |
| Bifold UK Limited | Manufacturing | 2007 |
| Big Bakes Bakery Ltd | Wholesale & retail | 2021 |
| Big in Business Ltd | Financial services | 2024 |
| Bigcourt Limited | Households | 1986 |
| Bigfish Digital Ltd | Administrative & support | 2008 |
| Billy PUB Ltd | Hospitality | 2016 |
| Birch ELM Holdings Ltd | Real estate | 2020 |
| Birchell Marine Limited | Manufacturing | 2009 |
| Biriyani Box Restaurants UK Limited | Hospitality | 2023 |
| Birth From Within Ltd | Administrative & support | 2021 |
| Birth From Within Southwest CIC | Health & social care | 2024 |
| Birthstone Group Ltd | Hospitality | 2021 |
| Bishop & Shelley Limited | Real estate | 2005 |
| Bishop Property Investments Ltd. | Real estate | 2002 |
| Bishop Wilfrid Road Management Company Limited | Households | 1981 |
| Bishops Meadow (Bishopsteignton) Management Company Limited | Households | 2006 |
| Bishops Woodland Ltd | Professional & scientific | 2022 |
| Bizolution Limited | Information & communication | 2010 |
| Black Dog TV Ltd | Information & communication | 2019 |
| Black Swan Private Hire Ltd | Transport & logistics | 2021 |
| Blacked OUT Ltd | Wholesale & retail | 2024 |
| Blacklers Paignton Limited | Construction | 1960 |
| Blade Runner Equipment Ltd | Wholesale & retail | 2009 |
| Blaise Alexandre Couverture Limited | Construction | 2016 |
| Blank Canvas Management Ltd | Wholesale & retail | 2024 |
| Bliss Care 2 Limited | Health & social care | 2023 |
| Bliss Care 3 Limited | Health & social care | 2025 |
| Bliss Care Group Limited | Health & social care | 2022 |
| Bliss Care Torquay Limited | Health & social care | 2022 |
| Bloom Bars & Events Ltd | Manufacturing | 2019 |
| Bloxham's Holdings Limited | Financial services | 2024 |
| BLT Property Ltd | Real estate | 2025 |
| BLU Schist Ltd | Professional & scientific | 2021 |
| Blue Butterfly Home Solutions Ltd | Real estate | 2025 |
| Blue Orange UK Branding Ltd | Professional & scientific | 2016 |
| Blue Quay Storage Ltd | Real estate | 2024 |
| Blue Silicon Limited | Professional & scientific | 2011 |
| Bluebell Lodge Limited | Health & social care | 2018 |
| BMV Apartment Management Company NO. 1 Limited | Households | 1990 |
| BMV Apartment Management Company NO. 2 Limited | Households | 1990 |
| Boat Accommodation Ltd | Hospitality | 2020 |
| Boat Broker Ltd | Wholesale & retail | 2021 |
| BOAT2DOOR Fish Company Ltd | Wholesale & retail | 2020 |
| BOB Hill Haulage Limited | Transport & logistics | 2002 |
| Bobs Medicare Limited | Health & social care | 2021 |
| Boho Hairdressing Limited | Other services | 2006 |
| Boldlimit Limited | | 1922 |
| Bolido Technical Networks Ltd | Information & communication | 2023 |
| BON Ella Court (Torquay) Management Company Limited | Households | 2023 |
| BON Ella Mews (Torquay) Management Company Limited | Households | 2023 |
| Bonthe Developments Ltd | Information & communication | 2008 |
| Booizzi Ltd | Wholesale & retail | 2015 |
| Boomiis Limited | Hospitality | 2025 |
| Boomtown Boutique Limited | Wholesale & retail | 2017 |
| Borough Park Totnes Management Limited | Households | 1988 |
| Boston Medical Associates Limited | Health & social care | 2017 |
| Boston Medical(Uk) Ltd | Health & social care | 2018 |
| Bosun's Point (Paignton) Management Company Ltd | Households | 2002 |
| Boton Samuel Limited | Administrative & support | 2014 |
| Boundary Cars Ltd | Transport & logistics | 2021 |
| Bowers Stunts Limited | Arts & recreation | 2015 |
| Boxwell Holdings Limited | Financial services | 2024 |
| Bradbury Ward Holdings Limited | Financial services | 2017 |
| Bradbury Ward Limited | Wholesale & retail | 2009 |
| Braddons Cliffe Management Company Limited | Households | 1973 |
| Braidbyomo Ltd | Other services | 2026 |
| Brain Buckets - Torbay Community Hub C.I.C. | Hospitality | 2026 |
| Branded Bros Limited | Transport & logistics | 2025 |
| Brands in Motion Ltd | Professional & scientific | 2010 |
| Brands Media Limited | Information & communication | 2013 |
| Brasserieexpresstoure Limited | Hospitality | 2014 |
| Brassett Churrascaria Limited | Hospitality | 2015 |
| Breezu Ltd | Administrative & support | 2018 |
| Breizh Nettoyage ET Services Limited | Administrative & support | 2019 |
| Breizho Limited | Administrative & support | 2010 |
| Brent Taylor Ltd | Construction | 2006 |
| Bretagne Home Services Limited | Administrative & support | 2015 |
| Briard Properties Ltd | Real estate | 2018 |
| Bridge Investments Ltd | Real estate | 2020 |