| AP Devon Limited | Hospitality | 2021 |
| Apex Fibreglass Roofing Supplies Limited | Wholesale & retail | 2015 |
| Apex Holdings International Ltd | Construction | 2021 |
| Apex Security Holding Ltd | Financial services | 2025 |
| Apollo Signs Ltd | Manufacturing | 2009 |
| Apple Plant Solutions Limited | Construction | 2016 |
| Apples & Pears Ltd | Hospitality | 2025 |
| Arboriculture & Earthworks Contracting Limited | Construction | 2019 |
| Architectural Glazing Group Ltd | Construction | 2026 |
| ARE Ellacombe Investment Ltd | Real estate | 2020 |
| ARE Holdings Ltd | Financial services | 2021 |
| ARE Property Management Ltd | Real estate | 2019 |
| Aries Plastering & Rendering Ltd | Construction | 2024 |
| Arlington Bodyworks Ltd | Wholesale & retail | 2019 |
| Armour Pro Vent Ltd | Construction | 2025 |
| Aroma Grill Paignton Ltd | Hospitality | 2020 |
| Artemis Home Limited | Wholesale & retail | 2009 |
| Artisan Flooring Design Ltd | Extraterritorial | 2022 |
| Arvenna Care Solutions Ltd | Administrative & support | 2025 |
| AS Construction & Building Services Ltd | Construction | 2023 |
| ASH Salon (Exeter) Limited | Other services | 2017 |
| Ashdene Property UK Ltd | Construction | 2024 |
| Ashlea Business Services Limited | Professional & scientific | 2014 |
| Aspectum Chartered Building Consultancy Limited | Construction | 2022 |
| Aspen Properties (South West) Limited | Real estate | 2011 |
| Assets International Limited | Real estate | 2009 |
| Astoria Court Property Management Ltd | Households | 2026 |
| Astridiwantyouinmylife Ltd | Professional & scientific | 2024 |
| Astropanda Ltd | Information & communication | 2012 |
| Atelier Beauty & Aesthetics Limited | Other services | 2026 |
| Aureva Ltd. | Hospitality | 2018 |
| Austen Knapman Limited | Wholesale & retail | 1992 |
| Automates (SW) Limited | Other services | 2022 |
| Avalon International Academy Limited | Education | 2016 |
| Award Refrigeration & Air Conditioning Ltd | Construction | 2016 |
| AWK Group Ltd | Financial services | 2019 |
| AWK Limited | Hospitality | 2016 |
| Awsita Ltd | Real estate | 2022 |
| Axon Retail Ltd | Wholesale & retail | 2023 |
| B & a Services (South West) Ltd | Water & waste | 2025 |
| B Camm Holdings Ltd | Real estate | 2022 |
| B.J.M. Services Ltd | Hospitality | 1971 |
| B350 Limited | Administrative & support | 2013 |
| B4U Financial Services Limited | Financial services | 2015 |
| Babbacombe Heights Management Company Limited | Households | 2020 |
| Baby Wish Limited | Other services | 2016 |
| Badger Loans Limited | Financial services | 2016 |
| Bailey and Sons Torbay Limited | Professional & scientific | 2020 |
| Baker Electrics Ltd | Construction | 2016 |
| Baldwin Property Holdings Ltd | Real estate | 2019 |
| BAM Sorted Ltd | Professional & scientific | 2026 |
| Bandevi UK Ltd | Hospitality | 2023 |
| Banh MI Boys Catering UK Ltd | Hospitality | 2026 |
| Bar Dynamics Limited | Hospitality | 2017 |
| Bar Management Solutions Ltd. | Information & communication | 2017 |
| Barbets Limited | Real estate | 2003 |
| Barcombe Consulting LLP | | 2006 |
| Bare Crow Company Ltd | Wholesale & retail | 2023 |
| Barker's Property Investments Ltd | Real estate | 2023 |
| Barkers K9 Limited | Professional & scientific | 2024 |
| Barleycroft Forages LLP | | 2002 |
| Barnes Heating Services Ltd | Construction | 2018 |
| Bay Bouncers Community Interest Company | Education | 2016 |
| Bay Care Domiciliary Care Ltd | Health & social care | 2013 |
| Bay Catering Equipment Solutions Ltd | Professional & scientific | 2020 |
| Bay Community Software (BCS) Consulting Ltd | Information & communication | 2025 |
| Bay Fort Mansions (Management Company) Limited | Households | 2002 |
| Bay Security Solutions Ltd | Administrative & support | 2021 |
| Bay Sparky Ltd | Construction | 2026 |
| Bays Housing Ltd | Real estate | 2025 |
| Bayside Dynamics Ltd | Manufacturing | 2018 |
| Bayview Properties Southwest Limited | Real estate | 2021 |
| BB Analytics Limited | Information & communication | 2019 |
| BB Kitchen Installations Ltd | Manufacturing | 2023 |
| BE Cross Ltd | Manufacturing | 2026 |
| Beach HUT Publications Ltd | Extraterritorial | 2015 |
| Beachfield Properties Torbay Limited | Financial services | 2018 |
| Beagle Leisure Ltd | Wholesale & retail | 2012 |
| Bear Cheesecake Ltd | Hospitality | 2025 |
| Beard Agencies Ltd | Wholesale & retail | 2018 |
| Bearded Baker & Sons Ltd | Manufacturing | 2020 |
| Beardsmore and Veasey Electrical Contractors Ltd | Construction | 2014 |
| Beaumont Lodge Management Company Limited | Administrative & support | 2007 |
| BED & Boujee Ltd | Households | 2023 |
| BEE Compassionate Complex Care Ltd | Real estate | 2026 |
| BEE Kind Care SW Ltd | Health & social care | 2025 |
| BEE Kind Support Limited | Health & social care | 2023 |
| Beechwood Green Crewkerne Management Company Limited | Households | 2011 |
| BEN Newton Property Services Ltd | Construction | 2024 |
| Bengal Spice Indian Takeaway Ltd | Hospitality | 2018 |
| Bengalbazarpaignton Ltd | Hospitality | 2023 |
| Benneli Jacobs Limited | Professional & scientific | 2024 |
| Bertie and Crew Ltd | Wholesale & retail | 2019 |
| Bespoke Bar Bros Ltd | Hospitality | 2022 |
| Bespoke Disco Limited | Extraterritorial | 2016 |
| Bespoke Rental Solutions Ltd | Real estate | 2024 |
| Bestowed Properties Ltd | Real estate | 2019 |
| Beth's by the Park Ltd | Hospitality | 2021 |
| Beverage Concepts Limited | Wholesale & retail | 2019 |
| Beyond Escapes Limited | Hospitality | 2017 |