| 1 Egerton Road Management Company Limited | Households | 2001 |
| 108 Alexandra Road Limited | Real estate | 1996 |
| 14 Broad Street, Modbury Limited | Households | 1987 |
| 24/7 Taxi Kingsbridge & Salcombe Ltd | Transport & logistics | 2018 |
| 25 Grand Parade (Freehold) Limited | Households | 2013 |
| 3 in the Forrest Property Management Limited | Hospitality | 2026 |
| 3 Stonehedge Limited | Real estate | 2024 |
| 45 Macklin Street (Derby) Management Company Limited | Real estate | 2026 |
| 51 Studio Limited | Professional & scientific | 2012 |
| 58 Northesk Street Limited | Real estate | 2022 |
| 7MAGOK Ltd | Manufacturing | 2017 |
| 8 Sisters Avenue Management Company Limited | Real estate | 2002 |
| A Number Crunched Accountancy Limited | Professional & scientific | 2009 |
| A&Y Landscapes Ltd | Professional & scientific | 2020 |
| A.G. Sharepoint Solutions Ltd | Information & communication | 2018 |
| AB Restaurant SW Ltd | Hospitality | 2026 |
| AB Takeaway Ltd | Hospitality | 2019 |
| Abacus Lelle Ltd | Professional & scientific | 2024 |
| ABC Prints Limited | Wholesale & retail | 2016 |
| Abigail Fisher Ltd | Education | 2025 |
| ABS Carpentry and Building Services Ltd | Construction | 2022 |
| Adaptive Systems Integration Ltd | Professional & scientific | 2011 |
| Adsdev Limited | Real estate | 2023 |
| Aerice Limited | Professional & scientific | 2009 |
| Aetherforge Compute Ltd | Energy | 2026 |
| Affordable Home Improvements Ltd | Construction | 2017 |
| AFS Property Management Limited | Real estate | 2018 |
| AG Fitness Ltd | Arts & recreation | 2025 |
| AHC Prime Ltd | Professional & scientific | 2024 |
| AIT Imports Ltd | Wholesale & retail | 2022 |
| Alchemi of Falmouth Limited | Households | 2015 |
| Alexander Johnston Bespoke Cabinetry Ltd | Construction | 2026 |
| ALI Baba 40 Dishes Limited | Hospitality | 2025 |
| ALS Interiors Limited | Construction | 2026 |
| ALZ Store UK Ltd | Wholesale & retail | 2018 |
| AMB Productions Ltd | Information & communication | 2011 |
| Ambition Building & Maintenance Ltd | Construction | 2017 |
| AMH Building & Renovation Ltd | Construction | 2017 |
| AMS R&D UK Ltd | Professional & scientific | 2005 |
| Anchor Construction SW Limited | Construction | 2025 |
| Anchor Property Management SW Limited | Households | 2025 |
| Anchoria Ltd | Professional & scientific | 2011 |
| Anderson Plastering Ltd | Construction | 2022 |
| Angie Clarke Textiles | | 1987 |
| Animal Interfaith Alliance Ltd | Other services | 2014 |
| Anyoche Ltd | Information & communication | 2026 |
| Apricity Sustainability Consulting Ltd | Professional & scientific | 2022 |
| AQM Ltd | Manufacturing | 2026 |
| Aquasis Tanning Ltd | Other services | 2024 |
| Arched Aesthetics Limited | Health & social care | 2024 |
| Arconstruction & Plant Hire Ltd | Construction | 2024 |
| Arda Properties SW Ltd | Real estate | 2025 |
| Ardron Property Limited | Real estate | 2010 |
| Argyle Consult Limited | Professional & scientific | 2025 |
| Armada Glass and Glazing Limited | Manufacturing | 2003 |
| Armada Pasties Ltd | Hospitality | 2016 |
| Arnside 30 Ltd | Real estate | 2024 |
| Arrington Business Consultancy Ltd | Professional & scientific | 2026 |
| Arrital UK Limited | Wholesale & retail | 2005 |
| Art Privee Limited | Wholesale & retail | 2011 |
| ASH Properties South West Limited | Real estate | 2020 |
| Ashworth Equestrian Ltd Ltd | Agriculture & fishing | 2025 |
| Astraea Theatre CIC | Arts & recreation | 2024 |
| Aune Valley Meat Limited | Manufacturing | 2010 |
| Auxello Ltd | Information & communication | 2020 |
| Avalon Legal Consultancy Limited | Professional & scientific | 2025 |
| Aviss-Monro Dental Ltd | Health & social care | 2025 |
| AWJ Catering Ltd | Hospitality | 2026 |
| Azure Psychology Services Ltd | Professional & scientific | 2026 |
| B Townsend Plumbing & Heating SW Ltd | Construction | 2025 |
| B&C Property Group Limited | Households | 2026 |
| B&D Solomon Ltd | Real estate | 2022 |
| B&S Roofing Limited | Construction | 2008 |
| Bakerswell Limited | Real estate | 2004 |
| Bama South West Ltd | Manufacturing | 2026 |
| Bandvulc Tyres Ltd | Manufacturing | 1978 |
| Barbican Restaurants Ltd | Hospitality | 2025 |
| Bargain Bathrooms SW Limited | Construction | 2025 |
| Base Logic AI Ltd | Information & communication | 2024 |
| Basilico BLU Ltd | Hospitality | 2025 |
| Batif Barber Limited | Other services | 2025 |
| Bd&K Properties (SW) Ltd | Financial services | 2017 |
| Beacon Education Consulting (South West) Ltd | Education | 2021 |
| Beacon Media Group Ltd | Information & communication | 2013 |
| Beauty Training Plymouth Ltd | Health & social care | 2025 |
| Beauty Treatments Plymouth Ltd | Health & social care | 2025 |
| Beavis Construction Ltd | Construction | 2024 |
| Belt Bureau Ltd | Administrative & support | 2022 |
| BEN Johns Painting & Decorating Ltd | Construction | 2023 |
| BEN Vleminckx Productions Ltd | Arts & recreation | 2026 |
| Bene Esse Financial Planning Ltd | Professional & scientific | 2020 |
| Bernies Heating & Plumbing Limited | Construction | 2024 |
| Bevan Capital Holdings Limited | Households | 2026 |
| Beyond Borders Events Ltd | Administrative & support | 2025 |
| Big J Services Limited | Transport & logistics | 2017 |
| Bigbury Mint Limited | Manufacturing | 2000 |
| Bigeats Events Limited | Wholesale & retail | 2024 |
| Bigeatsfestivals Ltd | Hospitality | 2023 |
| Bignan Consultants Ltd | Other services | 2010 |
| Bill Lomas Motor Services Limited | Wholesale & retail | 2005 |