| 08607133 Limited | Transport & logistics | 2013 |
| 1 North Road Management Co. Ltd | Households | 2020 |
| 18'S Girl Ltd | Wholesale & retail | 2026 |
| 186 Lower Addiscombe Road Limited | Professional & scientific | 2008 |
| 20 Richmond Road Taunton (Management) Limited | Households | 1991 |
| 20 Weston Road Weymouth Limited | Households | 1993 |
| 23 Chelsham Road Limited | Households | 2012 |
| 2EDEN Ltd | Financial services | 2024 |
| 359 Norton Road Freehold Company Limited | Households | 2019 |
| 39 Fore Street Ltd. | Construction | 2018 |
| 47 Trull Road Management Limited | Households | 2023 |
| 5 Charlton Road (Weston-Super-Mare) Management Limited | Households | 2004 |
| 5 Park Street Taunton Management Company Limited | Households | 1989 |
| 64 Trull Road Management Company Limited | Households | 1990 |
| 900 Aviation & Defence Consultancy Services Limited | Professional & scientific | 2012 |
| A Allen Electrical Ltd | Construction | 2013 |
| A H Carpentry & Build Limited | Construction | 2010 |
| A K Chant Ltd | Construction | 2005 |
| A Lusitana Ltd | Hospitality | 2022 |
| A S Security Alarms Limited | Administrative & support | 2003 |
| A.D.A.M. Investments Limited | Extraterritorial | 1979 |
| A.K. Wilson Consultants Limited | Construction | 2012 |
| Abercrombie Building Services Ltd | Construction | 2025 |
| Accompere Ltd | Information & communication | 2024 |
| Acorn Accounting Services Limited | Professional & scientific | 2006 |
| Acre Survey & Design Limited | Professional & scientific | 2000 |
| Active Learning & Skills - Community Interest Company | Education | 2008 |
| Activedayz SW Ltd | Health & social care | 2026 |
| Adeesha Health Ltd | Health & social care | 2022 |
| Adhpro Ltd | Construction | 2019 |
| AI Capital Finance Ltd | Construction | 2026 |
| AI Costs Ltd | Information & communication | 2025 |
| AJM Construction (SW) Ltd | Construction | 2017 |
| AJT.2013. LP | | 2015 |
| Aj’S Snacks Ltd | Hospitality | 2024 |
| Alan HE Limited | Hospitality | 2014 |
| Alan Quartermaine Limited | Real estate | 2002 |
| Alchemilla Architects Limited | Professional & scientific | 2009 |
| Alexander the Grate Ltd | Extraterritorial | 2012 |
| ALL Round Trades SW Ltd | Construction | 2025 |
| Allwinds Dog First AID Ltd | Professional & scientific | 2018 |
| Amazing Holiday Homes (Europe) Ltd | Real estate | 2006 |
| AMC Services (South West) Limited | Administrative & support | 2008 |
| Anchors Aweigh Limited | Health & social care | 2015 |
| Andy Shire Building Limited | Construction | 2004 |
| Anode Automation Ltd | Manufacturing | 2024 |
| Anthera Remediation Technologies Ltd | Professional & scientific | 2025 |
| AP.1995. LP | | 2013 |
| Apex Building Specialists Ltd | Construction | 2022 |
| Arcitran Ltd | Professional & scientific | 2008 |
| AS Property Investments SW Ltd | Real estate | 2025 |
| Ashhe Consulting Limited | Information & communication | 2025 |
| Aston Construction (South West) Ltd | Construction | 2015 |
| Astream Limited | Construction | 2022 |
| Atom Fabs Ltd | Manufacturing | 2012 |
| Australian Skin Clinics Limited | Health & social care | 2015 |
| AVI Assets Limited | Health & social care | 2022 |
| AVI Healthcare Limited | Health & social care | 2015 |
| Avishayes Primary School and Early Years Centre | Education | 2011 |
| Axminster Electronics Limited | Manufacturing | 1985 |
| Azure (Preston Road) Management Company Limited | Households | 2022 |
| B.Gibbs Funeral Services Limited | Other services | 2011 |
| Baggin Burgers Limited | Hospitality | 2024 |
| Barnhay Healthcare Limited | Health & social care | 2005 |
| Barry Knott Ltd. | Professional & scientific | 2014 |
| Baylis Information Technology Limited | Information & communication | 2015 |
| Beach Vista Limited | Construction | 2005 |
| Beaumont Porter Limited | Extraterritorial | 2026 |
| BEE Happy Plants & Seeds CIC | Agriculture & fishing | 2016 |
| Bella Vida Hair and Beauty Limited | Other services | 2023 |
| Berensens LLP | | 2018 |
| Bespoke Showers Ltd | Construction | 2014 |
| Betzalel Limited | Hospitality | 2014 |
| BH Creative Solutions Ltd | Information & communication | 2022 |
| BJ Bolland Limited | Health & social care | 2019 |
| Black EYE Films Limited | Information & communication | 2020 |
| Blackdown Hills Music Group | Arts & recreation | 2002 |
| Blackdown Ltd | Wholesale & retail | 2016 |
| BLAKE1H1 Limited | Other services | 2025 |
| Blindmoor Limited | Professional & scientific | 2018 |
| Bling Body Repair Ltd | Wholesale & retail | 2024 |
| BLY Transport Limited | Extraterritorial | 2013 |
| Borders & West (Devon) Limited | Professional & scientific | 2014 |
| Bowden HAY Limited | Professional & scientific | 2013 |
| Broadbridge Farm (Chard) Management Company Limited | Households | 2004 |
| BTX Rooms Limited | Health & social care | 2017 |
| Bubwith Close (Management) Limited | Households | 1983 |
| Bubwith Close Limited | Households | 1982 |
| Buckland Game Ltd | Agriculture & fishing | 2016 |
| Bugalugs & Co Limited | Real estate | 2024 |
| Burrough Haulage Limited | Agriculture & fishing | 2022 |
| Butler and Parker Garden Design Limited | Professional & scientific | 2023 |
| C & D South West Ltd | Transport & logistics | 2004 |
| C & S Electrical Wholesale Limited | Wholesale & retail | 1997 |
| C D Stuckey Country Homes Limited | Construction | 2020 |
| C T Builders Construction Limited | Construction | 2025 |
| C. & E. Plant Sales (Chard) Limited | Manufacturing | 1978 |
| C2GP Limited | Health & social care | 2022 |
| Cablevine Solutions Limited | Administrative & support | 2001 |
| Cambridge Furniture Makers Limited | Manufacturing | 2025 |