| Autovali Torbay Ltd | Manufacturing | 2025 |
| AV8 Property Ltd | Real estate | 2020 |
| AWS Soil Rock and OIL Limited | Professional & scientific | 2026 |
| Axcore Ltd | Real estate | 2025 |
| Azeco Limited | Wholesale & retail | 2023 |
| Azure Investments Limited | Real estate | 2002 |
| B & K Professional Services Limited | Real estate | 2002 |
| B B & B Leisure Parks Limited | Arts & recreation | 2002 |
| Babel Films Limited | Information & communication | 2018 |
| Balancing Business Limited | Administrative & support | 2016 |
| Balloon Studios Ltd | Information & communication | 2021 |
| Bambina LDN Ltd | Information & communication | 2020 |
| Bangla Kitchen (Teignmouth) Limited | Hospitality | 2022 |
| Barchester Court Limited | Hospitality | 1995 |
| Bare Retail Ltd | Information & communication | 2023 |
| Barkingdon Management Company Limited | Households | 2006 |
| Barn Close Management Company Limited | Households | 1989 |
| Barn Living Gifts Limited | Extraterritorial | 2020 |
| Barnes the Cleaners Ltd | Other services | 2013 |
| Barton Sawmill Limited | Wholesale & retail | 2013 |
| Barton-Wood Engineering Ltd | Professional & scientific | 2023 |
| Basement 17 Tacos Ltd | Hospitality | 2022 |
| Battlefield Live Torbay Ltd | Arts & recreation | 2011 |
| Baulch Architects Limited | Professional & scientific | 2019 |
| Bay Horse Inn Ltd | Hospitality | 2025 |
| Bay Horse Totnes Ltd | Hospitality | 2016 |
| BB Buildings Ltd | Real estate | 2019 |
| Bcmm Ltd | Arts & recreation | 2016 |
| Beaming Baby Ltd | Wholesale & retail | 1999 |
| Beartrac Ltd | Information & communication | 2025 |
| Beaumont & Brown Limited | Wholesale & retail | 2005 |
| Beautifully Simple Comms Ltd | Professional & scientific | 2023 |
| Behaviour in Motion Limited | Professional & scientific | 2025 |
| Being Communicated Limited | Professional & scientific | 2019 |
| Bell Devon Properties Ltd | Construction | 2020 |
| Belsford Holdings Ltd | Financial services | 2022 |
| Belsford Limited | Professional & scientific | 2000 |
| Belstone Advisers Limited | Administrative & support | 2023 |
| Benchmark Homes (Devon) Limited | Construction | 2002 |
| Bendalls Leisure Limited | Arts & recreation | 1997 |
| Bermondsey Fayre Yoga Limited | Other services | 2018 |
| Berry Pomeroy Estate Limited | Real estate | 2012 |
| Best BED Linen Ltd | Wholesale & retail | 2012 |
| Bewild CIC | Administrative & support | 2024 |
| BHT Environmental Ltd | Professional & scientific | 2025 |
| Bickleigh Farm Cottages Ltd | Hospitality | 2021 |
| Bidwell & Dart: Growing Ecological Roots CIC | Agriculture & fishing | 2024 |
| Bidwell Practice Limited | Health & social care | 2003 |
| Big Grin HQ Ltd | Professional & scientific | 2025 |
| Big Star Copywriting Limited | Information & communication | 2009 |
| Biodiversity Press Ltd | Information & communication | 2021 |
| Biome Algae Ltd | Agriculture & fishing | 2018 |
| Bioregional Learning Centre CIC | Education | 2017 |
| Bioregional Learning Trust | Financial services | 2024 |
| BJH Creative Ltd | Professional & scientific | 2018 |
| Black Bear Timber Framing Limited | Manufacturing | 2018 |
| Black Buttons Property Management Limited | Households | 2017 |
| Black Letter Consulting Ltd | Professional & scientific | 2026 |
| Blackawton Business Units CIC | Real estate | 2019 |
| Blackawton Field Limited | Real estate | 2012 |
| Blackness Marine Ltd | Manufacturing | 2013 |
| Blackness Marine Services Limited | Transport & logistics | 2005 |
| BLB Luxury Lace Wigs Ltd | Wholesale & retail | 2024 |
| Block and Tackle Carpentry Ltd | Manufacturing | 2017 |
| Blue Geranium Florist Limited | Wholesale & retail | 2019 |
| Blue Phoenix UK Mobile IBA Holdings Ltd | Water & waste | 2012 |
| Blue Phoenix UK Mobile IBA Ltd | Water & waste | 2024 |
| Blue Red Press Limited | Information & communication | 2006 |
| Bluegrass Integral Ltd | Professional & scientific | 2017 |
| Bobo Architects LLP | | 2019 |
| Bodhi College | Education | 2015 |
| Bold Ayres Limited | Hospitality | 2021 |
| Bolle Bespoke Developments Limited | Real estate | 2025 |
| Bolle Bespoke Limited | Administrative & support | 2022 |
| Bolt Fishing Limited | Agriculture & fishing | 2025 |
| Bolt Real Estate Ltd | Real estate | 2022 |
| Boondoggle Labs Ltd | Information & communication | 2016 |
| Boost Business Growth Limited | Professional & scientific | 2002 |
| Borough Court Management Company Limited | Professional & scientific | 1989 |
| Bosanko Property Limited | Real estate | 2023 |
| Bosanko Sport Horses Ltd | Agriculture & fishing | 2012 |
| Bowden House Limited | Real estate | 2004 |
| Bowden Springs Farm CIC | Agriculture & fishing | 2022 |
| Bowerdean Ltd | Professional & scientific | 2022 |
| Boyce's Way Ltd | Wholesale & retail | 2020 |
| Bradridge Driveway Ltd | Households | 2016 |
| Brand Caster Limited | Professional & scientific | 2025 |
| Brat Vintage Ltd | Wholesale & retail | 2024 |
| Breakthrough Films Ltd | Information & communication | 2024 |
| Brewhaha! Ltd | Manufacturing | 2020 |
| Brian Deacon Ltd | Professional & scientific | 2002 |
| Bridge Abrasives Limited | Manufacturing | 1992 |
| Bridgetown Store Limited | Wholesale & retail | 2020 |
| Bright Spark Digital Limited | Information & communication | 2009 |
| Brimholt Ltd | Construction | 2025 |
| Britfit Ltd | Professional & scientific | 2021 |
| Brixham Laundry Room Limited | Other services | 2015 |
| BRM Building Limited | Construction | 2025 |
| BRM Developments (Torbay) Limited | Construction | 2014 |
| Broadhempston Community Land Trust CIC | Other services | 2012 |