| AOC DRY Lining Limited | Construction | 2019 |
| Applebee Associates Ltd | Professional & scientific | 2019 |
| Appledore & Richmond Green Community Interest Company | Administrative & support | 2026 |
| Appledore Factory Ltd | Hospitality | 2010 |
| Appledore Flame Factory Ltd | Hospitality | 2016 |
| Appledore Instow Ferry Limited | Transport & logistics | 2011 |
| Appletree Fencing & Decking Limited | Construction | 2014 |
| ARC Centre Limited | Arts & recreation | 2014 |
| ARC Solar Limited | Energy | 2021 |
| ARC Tennis and Sports Club | Arts & recreation | 2015 |
| ARF Consulting Ltd | Information & communication | 2015 |
| ARK Care Homes Limited | Other services | 2003 |
| ARK Nursing and Care Agency Limited | Administrative & support | 2002 |
| ARK Property & Investments Ltd | Financial services | 2012 |
| Arkell's Electrics Ltd | Manufacturing | 2021 |
| Arla Holdings Ltd | Transport & logistics | 2016 |
| Armstrong Estates (Devon) Ltd | Real estate | 2024 |
| Arnolds Pharmacy Limited | Wholesale & retail | 2013 |
| Artisan Acoustics Ltd | Manufacturing | 2019 |
| Ascension Performance Group Ltd | Wholesale & retail | 2025 |
| Ashley Anderson Developments Ltd | Construction | 2019 |
| Ashley Anderson Properties Ltd | Real estate | 2021 |
| ASL Aerospace Finance Ltd | Transport & logistics | 2022 |
| ASL Aerospace Ltd | Wholesale & retail | 2017 |
| Assessment Intelligence Limited | Information & communication | 2020 |
| ATA Windows Ltd | Construction | 2021 |
| Athletefocus Limited | Arts & recreation | 2020 |
| Atlantic ALL Trucks Training Limited | Other services | 2014 |
| Atlantic Bay Ltd | Professional & scientific | 2026 |
| Atlantic Coast Co-Operative Trust | Education | 2013 |
| Atlantic Comms Ltd | Information & communication | 2022 |
| Atlantic Consultant SW Ltd | Professional & scientific | 2025 |
| Atlantic Cost & Project Management Ltd | Professional & scientific | 2021 |
| Atlantic Developments (Devon) Ltd | Construction | 2008 |
| Atlantic Formwork Ltd | Construction | 2025 |
| Atlantic Insulation Services Ltd | Other services | 2012 |
| Atlantic Motorcycles Ltd | Extraterritorial | 2025 |
| Atlantic Racquet Centre | Arts & recreation | 2011 |
| Atlantic Vinyl Ltd | Wholesale & retail | 2026 |
| Atlas Hire Ltd | Construction | 2022 |
| Atrium Leisure Limited | Real estate | 2001 |
| Auto Resolve Ltd | Wholesale & retail | 2022 |
| Autografix Limited | Arts & recreation | 1994 |
| AVA Technologies Global Ltd | Information & communication | 2021 |
| Avalon Green Consultancy Ltd | Professional & scientific | 2023 |
| Avalon Planning Limited | Professional & scientific | 2015 |
| Avrame UK Ltd | Wholesale & retail | 2024 |
| Awleisuredevon Ltd | Hospitality | 2026 |
| Ayans Garden Ltd | Hospitality | 2024 |
| Ayurdevon Limited | Wholesale & retail | 2021 |
| B.Butler Plumbing and Heating Ltd | Construction | 2024 |
| BA Corporate Business Ltd | Wholesale & retail | 2020 |
| Bailey Grange Services Limited | Agriculture & fishing | 2023 |
| Bake & Bathe Ltd | Wholesale & retail | 2026 |
| Baps Publishing Limited | Information & communication | 2003 |
| Bar 19 Ltd | Hospitality | 2017 |
| Barbrook Service Station Limited | Wholesale & retail | 2018 |
| Barden Support Services Ltd | Public administration | 2025 |
| Barnstaple Bait and Tackle Limited | Wholesale & retail | 2024 |
| Barrel 26 Ltd | Wholesale & retail | 2026 |
| Bartlett Munro Holdings Limited | Hospitality | 2022 |
| Barton (05) Scaffolding Limited | Construction | 2004 |
| Barton Garage (Parkham) Ltd | Wholesale & retail | 2013 |
| Bartridge Hill Limited | Hospitality | 2017 |
| Bassett's Butchers Limited | Wholesale & retail | 2024 |
| Bath Holiday Rentals Limited | Extraterritorial | 2009 |
| Bay TQ Limited | Hospitality | 2024 |
| Bay View Campervans Ltd | Wholesale & retail | 2022 |
| Bayside Holidays Limited | Hospitality | 2023 |
| BCRE8IVE Art Makers CIC | Administrative & support | 2021 |
| BCRE8IVE Ltd | Arts & recreation | 2011 |
| Beach Pasty Shack Ltd | Hospitality | 2019 |
| Beach Retreats Holidays Limited | Administrative & support | 2017 |
| Beardon Engineering Ltd | Professional & scientific | 2023 |
| Bearfoot Preschool Ltd | Education | 2023 |
| Bearman's Plumbing Centre Ltd | Construction | 2009 |
| Bella Solution Limited | Health & social care | 2025 |
| Bella Turbines Limited | Manufacturing | 2018 |
| Bella Utilities Ltd | Construction | 2021 |
| Bellewbury Limited | Hospitality | 2021 |
| Belluno Italian Restaurant Limited | Hospitality | 2019 |
| BEN Hews Surfacing Ltd | Administrative & support | 2026 |
| Benjamin Lewis Limited | Manufacturing | 2015 |
| Berry&Co Ltd | Construction | 2023 |
| Best Price Scaffolding Ltd | Construction | 2019 |
| Bexsimon Collections Limited | Hospitality | 2010 |
| Bexsimon Limited | Manufacturing | 2010 |
| Bideford AFC (1987) Limited | Arts & recreation | 1987 |
| Bideford AFC Community Holdings Limited | Administrative & support | 2024 |
| Bideford Auto Services Ltd | Wholesale & retail | 2006 |
| Bideford Barber Ltd | Other services | 2026 |
| Bideford Body Repairs Limited | Wholesale & retail | 2019 |
| Bideford Chiropractic Limited | Health & social care | 2003 |
| Bideford Computers Ltd | Wholesale & retail | 2019 |
| Bideford Pride CIC | Administrative & support | 2025 |
| Bideford Railway Heritage Centre Community Interest Company | Arts & recreation | 2007 |
| Bideford Rugby Football Club Limited | Arts & recreation | 2010 |
| Bideford Scrap Yard Limited | | 1983 |
| Bideford Spice Limited | Hospitality | 2025 |
| Bideford Van Hire Limited | Administrative & support | 2007 |