| Baileyz Associate Ltd | Administrative & support | 2025 |
| Bark Builds Ltd | Construction | 2025 |
| Barker Investments Limited | Real estate | 2024 |
| Barton Lodge (Teignmouth) Management Company Limited | Households | 2007 |
| BB Consulting (Planning) Ltd | Professional & scientific | 2026 |
| Beach Court (Teignmouth) Management Company Limited | Other services | 2007 |
| Beaulah Holdings Ltd | Real estate | 2019 |
| Beaulah Stores (Abbotskerswell) Ltd | Wholesale & retail | 2025 |
| Beaulah Stores (Shaldon) Ltd | Wholesale & retail | 2019 |
| Beaver Flooring SW Limited | Construction | 2015 |
| Bedford & Bedford Limited | Professional & scientific | 2015 |
| Beechbabe Ltd | Wholesale & retail | 2000 |
| Bekk R Solutions Limited | Administrative & support | 2025 |
| Bekra Models Ltd | Wholesale & retail | 2020 |
| Bell Stanley Limited | Professional & scientific | 2012 |
| BEN Waite Ltd | Construction | 2014 |
| Bennetts MOT Centre Ltd | Wholesale & retail | 2023 |
| Bespoke Glazing Solutions South West Limited | Construction | 2019 |
| Big Bear Audio Ltd | Manufacturing | 2016 |
| Big Meraki Ltd | Administrative & support | 2024 |
| Big Tree South West LLP | | 2009 |
| Bigbury Beach Shop Ltd | Wholesale & retail | 2023 |
| Binfield Insurance Brokers Ltd | Financial services | 2000 |
| Biomolecular Insights Limited | Administrative & support | 2023 |
| Bishops Accountancy Services Limited | Professional & scientific | 2020 |
| Bishopsteignton Gardening Services Ltd | Administrative & support | 2013 |
| Black and White Asset Finance Limited | Financial services | 2016 |
| Black Swan Care Ltd | Health & social care | 2019 |
| Black Swan Properties (SW) Limited | Real estate | 2024 |
| Black Swan Sauna Ltd | Other services | 2026 |
| Blewitts Property Limited | Real estate | 2015 |
| Blue Anchor Estates Ltd | Construction | 2013 |
| Blue Turaco Coffee Limited | Wholesale & retail | 2018 |
| Blueprint Consulting Ltd | Education | 2011 |
| Board Limited | Arts & recreation | 2017 |
| Bookcreateservice Limited | Information & communication | 2014 |
| Botanica Holistic Therapy Ltd | Health & social care | 2023 |
| Bouzayen (Exeter) Ltd | Hospitality | 2019 |
| Bouzayen (Newton Abbot) LLP | | 2018 |
| Bowbeer Limited | Financial services | 2011 |
| Bowerford Associates Ltd | Administrative & support | 2015 |
| Bowrish Sawmills Ltd | Manufacturing | 2025 |
| Breadforlife Ltd | Education | 2025 |
| Breathways Ltd | Health & social care | 2020 |
| Brick by Brick Construction Limited | Construction | 2017 |
| Bristea Co. Ltd | Wholesale & retail | 2024 |
| Bristowe Refrigeration & A/C Ltd | Other services | 2021 |
| Brit Pizza & Fast Food Ltd | Hospitality | 2025 |
| Broadlands Land Management Company Ltd | Households | 2021 |
| Brook Street Management Company Limited | Real estate | 2007 |
| Broomwood Offshore Limited | Professional & scientific | 2011 |
| Brunswick Property Management Limited | Households | 2019 |
| BSM Impact Limited | Professional & scientific | 1998 |
| Building & Design Services Ltd | Professional & scientific | 2007 |
| BWR Flats Management Company Ltd | Households | 2019 |
| C & S Developers Limited | Construction | 2012 |
| C & S Lettings (SW) Ltd | Real estate | 2024 |
| C Best Choice Limited | Hospitality | 2023 |
| C. Featherstone Associates Limited | Professional & scientific | 2001 |
| Cabin Studios Ltd | Information & communication | 2018 |
| Cafe RIO Limited | Hospitality | 2022 |
| Cake and Crumb (Devon) Ltd | Hospitality | 2024 |
| Callidus Energy Limited | Construction | 2021 |
| Callidus Off-Grid Limited | Construction | 2020 |
| Callidus Trade Limited | Wholesale & retail | 2021 |
| Calm Waters Counselling Limited | Health & social care | 2015 |
| CANDA42 Ltd | Professional & scientific | 2019 |
| Canto Kitchen Ltd | Hospitality | 2026 |
| Capilon Management Ltd | Hospitality | 2011 |
| Carry on Knitting Ltd | Manufacturing | 2009 |
| Cars of Devon Limited | Wholesale & retail | 2024 |
| Casa Software Limited | Information & communication | 1999 |
| Casa Websites UK Ltd | Information & communication | 2022 |
| Castle Cleans Ltd | Administrative & support | 2022 |
| Castle Mead Homes (SW) Limited | Construction | 2011 |
| Catraine Property Limited | Real estate | 2023 |
| Cedar Construction (SW) Ltd | Construction | 2016 |
| Cedar FM Consulting Ltd | Professional & scientific | 2025 |
| Centre Point Construction Services Ltd | Construction | 2008 |
| CFP Gym Limited | Arts & recreation | 2026 |
| CH PUB Limited | Hospitality | 2025 |
| CH Tiling Ltd | Construction | 2026 |
| Chalk Copywriting Ltd | Professional & scientific | 2023 |
| Change of Focus Ltd | Professional & scientific | 2012 |
| Charemm Ltd | Information & communication | 2025 |
| Charlton House Teignmouth Ltd | Real estate | 2018 |
| Charmhope Limited | Construction | 1997 |
| Chaz Lawrence Ltd | Financial services | 2023 |
| Chelsea Beautique Ltd. | Wholesale & retail | 2013 |
| Chelston Holdings Limited | Wholesale & retail | 2023 |
| Chemico Sales and Overseas Limited | Manufacturing | 1966 |
| Cherry Wood Software Ltd | Information & communication | 2015 |
| Chip Shack Limited | Hospitality | 2018 |
| Chroma Consultants Limited | Information & communication | 2017 |
| Civil Groundworks Construction Ltd | Construction | 2023 |
| CKS Developments (IOW) Ltd | Other services | 2013 |
| CKS Developments (Residential) Ltd | Other services | 2011 |
| Clarendon House Holdings Ltd | Other services | 2017 |
| Clarke Building and Roofing Services Ltd | Construction | 2022 |
| Cleaning Experts Devon Ltd | Administrative & support | 2022 |