| Bigbury Court Leasehold Limited | Real estate | 1990 |
| Bigbury Court Management Limited | Real estate | 1986 |
| Bioshred Ltd | Water & waste | 2009 |
| Blackchapelcoffee Ltd | Wholesale & retail | 2026 |
| Blackflow Limited | Professional & scientific | 2002 |
| Blackler Autos Ltd | Wholesale & retail | 2024 |
| Blair Rains M & E Design Ltd | Professional & scientific | 2003 |
| Bloomfield Business Ltd | Extraterritorial | 2023 |
| BLS Developments Ltd | Manufacturing | 2011 |
| Bolt Head Aero Club Ltd | Arts & recreation | 2012 |
| Bolt Head Management Limited | Administrative & support | 2005 |
| Bolt Tail Technologies Ltd | Information & communication | 2026 |
| Bonmahon Limited | Wholesale & retail | 2015 |
| Bosaw Works Ltd | Manufacturing | 2026 |
| Boundary Services Limited | Professional & scientific | 2021 |
| Boutique Charters Ltd | Administrative & support | 2023 |
| Bowcombe Boathouse Ltd | Hospitality | 2017 |
| Boxitt Carpentry Ltd | Construction | 2008 |
| Bretonside Ltd | Wholesale & retail | 2019 |
| Britannia Shellfish Limited | Wholesale & retail | 1995 |
| Broadbase Furniture Solutions Limited | Wholesale & retail | 2009 |
| Broadpines Limited | Real estate | 1984 |
| Bromley and Barr Ltd | Real estate | 2026 |
| Bronte Accounting Services Ltd | Professional & scientific | 2018 |
| Brookehouse Management (Salcombe) Limited | Households | 2021 |
| Brookhouse Kingsbridge Limited | Households | 1998 |
| Buckland Park Farm Management Ltd | Real estate | 2022 |
| Buckland Tea Ltd | Agriculture & fishing | 2022 |
| Bump Busters UK Ltd | Professional & scientific | 2017 |
| Burt & Burnett Construction Ltd | Construction | 2023 |
| Burt Construction (SW) Limited | Construction | 2025 |
| Business Angels Finance International LLP | | 2013 |
| C H 2019 Limited | Real estate | 2019 |
| C H 2022 Limited | Real estate | 2022 |
| C J L Rogers Properties Ltd. | Real estate | 1989 |
| C-Quest Yachts Ltd | Wholesale & retail | 2019 |
| CA Design Associates Limited | Information & communication | 1989 |
| Caboose Salcombe Ltd | Hospitality | 2023 |
| Cafe Tides Ltd | Hospitality | 2026 |
| Calaq Fisheries Limited | Administrative & support | 2018 |
| Campbell Consultancy Limited | Professional & scientific | 2003 |
| Candy Field Production Ltd | Information & communication | 2023 |
| Canterbury Counselling & Psychotherapy Centre Limited | Other services | 2003 |
| Cape Wiluna Limited | Real estate | 2020 |
| Captain Morgans Salcombe Ltd | Hospitality | 2025 |
| Captain Watts Ltd | Wholesale & retail | 2007 |
| Capulet Estates Limited | Real estate | 2024 |
| Career Doctor Ltd | Administrative & support | 2009 |
| Carers Direct (S.W.) Ltd | Health & social care | 2002 |
| Carleton Structural Ltd | Construction | 2014 |
| Carlton Management (Kingsbridge) Limited | Households | 1984 |
| Carmen & Rafaele Ltd. | Wholesale & retail | 2013 |
| Carole Lacey Ltd | Other services | 2020 |
| Carpenter Consulting Ltd | Professional & scientific | 2004 |
| Carr Property Developments Ltd | Construction | 2024 |
| Caunter & Sons Farms Limited | Agriculture & fishing | 2021 |
| CB Consulting (S West) Ltd | Professional & scientific | 2026 |
| Cedar Quartz Consulting Limited | Professional & scientific | 2013 |
| Ceed Services Limited | Professional & scientific | 2024 |
| Centella Software Limited | Information & communication | 2008 |
| Cerberus Security Ltd | Information & communication | 2025 |
| CF Creative Projects Ltd | Information & communication | 2026 |
| CGP ( South West) Limited | Energy | 2006 |
| CGP (Hydro) Limited | Extraterritorial | 2014 |
| Chally Bay Adventure Co. Ltd | Administrative & support | 2025 |
| Chally Bay Surf Co. Ltd | Wholesale & retail | 2025 |
| Charborough House Management Limited | Real estate | 1990 |
| Charmatt Management Services Limited | Professional & scientific | 2010 |
| Cherrybrook News Limited | Wholesale & retail | 2014 |
| CHI REI KAI Karate Ltd | Other services | 2019 |
| Chill South Devon CIC | Health & social care | 2022 |
| Church Close Management Company Limited | Households | 1996 |
| Church Farm (Amenities) Limited | Real estate | 1998 |
| Churchstow MOT Ltd | Wholesale & retail | 2021 |
| Churston Court Management Company Limited | Households | 1993 |
| Cinqueport Limited | Other services | 2015 |
| Clayton & Ball Limited | Other services | 2019 |
| Clearflow Heat Recovery Ltd | Extraterritorial | 2025 |
| Clearview SW Ltd | Administrative & support | 2026 |
| Clearwater Financial Planning Ltd | Financial services | 2006 |
| Clearwater Management (Salcombe) Limited | Real estate | 2011 |
| Clipper Quay (Kingsbridge) Ltd | Real estate | 2001 |
| CM Technology Consultants Ltd | Professional & scientific | 2023 |
| CM4 Gourmet Ltd | Hospitality | 2019 |
| Coachben.Me Ltd | Other services | 2022 |
| Coast to Coast Water Safety Ltd | Other services | 2019 |
| COAST2COAST Taxis Ltd | Transport & logistics | 2026 |
| Coastal Estates Limited | Real estate | 2026 |
| Coena Ltd | Hospitality | 2017 |
| Coleridge House Management Company Limited | Households | 2004 |
| Colinworth Limited | Real estate | 1974 |
| Collins Inns Ltd | Hospitality | 2022 |
| Colwood Ltd | Professional & scientific | 2018 |
| Combe Farm Management Company Limited | Households | 1996 |
| Combehaven Management Limited | Real estate | 2002 |
| Compass Quay Coastal Holidays Limited | Real estate | 2020 |
| Compass Quay Limited | Hospitality | 2018 |
| Convertible Sale and Hire Limited | Wholesale & retail | 2021 |
| Cool COW Camping Ltd | Hospitality | 2025 |
| Copenhill Limited | Health & social care | 2012 |