| ARK Lane (Deal) Ltd | Wholesale & retail | 2024 |
| Arlu Investments Limited | Real estate | 2026 |
| Arno&Co Ltd | Wholesale & retail | 2026 |
| Art of Alpine Ltd | Administrative & support | 2024 |
| Artmo Limited | Professional & scientific | 2023 |
| ASH Developments SPV Limited | Real estate | 2023 |
| ASH Motor Components and Electrical Services Ltd | Transport & logistics | 1997 |
| Ashford (Kent) Motor Cycle Club Limited | Arts & recreation | 2009 |
| Ashford Development SPV 1 Limited | Real estate | 2022 |
| Ashford Health Limited | Wholesale & retail | 2024 |
| Ashford Healthcare Limited | Wholesale & retail | 2024 |
| Ashley Manor Investments Limited | Extraterritorial | 2019 |
| Ashley Tomlin Decorating Ltd | Construction | 2026 |
| Ashwood Invest Limited | Other services | 2011 |
| Associated British Picture Corporation Limited | Information & communication | 2023 |
| Astor Community Arts Trust Ltd | Administrative & support | 1998 |
| Atcraftsmen Ltd | Wholesale & retail | 2021 |
| Atelier Armonico CIC | Arts & recreation | 2019 |
| Atman [UK] Limited | Manufacturing | 2010 |
| ATP Cleaning and Maintenance Ltd | Construction | 2025 |
| ATS Developments Limited | Construction | 2001 |
| ATS Estates Limited | Construction | 2013 |
| ATS Homes Limited | Construction | 2017 |
| Atvh Limited | Professional & scientific | 2018 |
| Augen Associates Limited | Professional & scientific | 2024 |
| Auriella Activewear Ltd | Wholesale & retail | 2020 |
| Austin Smith Homes Limited | Construction | 2019 |
| Avium Logic Ltd | Information & communication | 2026 |
| Away Soccer Paper Ltd | Information & communication | 2026 |
| B W Jigs Ltd | Manufacturing | 2020 |
| Back on Track Children's Services SE Ltd | Health & social care | 2010 |
| BAD Seas Limited | Agriculture & fishing | 2020 |
| Bailey Airconditioning Ltd | Energy | 2018 |
| Baileys Book Services Ltd | Administrative & support | 2015 |
| Bank House Property Limited | Real estate | 2009 |
| Barber Brothers Kent Ltd | Other services | 2026 |
| Barber Electrical Ltd | Construction | 2018 |
| Bardinet Digital Services Limited | Manufacturing | 2019 |
| Barkened Limited | Wholesale & retail | 2019 |
| Barnes Court (Canterbury) Limited | Real estate | 2002 |
| Bartlett and White Limited | Wholesale & retail | 2009 |
| Battle Honours 3D Limited | Manufacturing | 2022 |
| Bay Agri Services Ltd | Construction | 2025 |
| Bayze Ltd | Construction | 2013 |
| BCN Holdings Ltd | Real estate | 2021 |
| BD Wines Limited | Wholesale & retail | 2016 |
| BEA Real Estate Ltd | Real estate | 2022 |
| Beach Court Management (Walmer) Limited | Households | 1981 |
| Beach Street Restaurants Limited | Hospitality | 2004 |
| Beach Street Venues Ltd | Financial services | 2021 |
| Beach View Health Limited | Health & social care | 2026 |
| Beachfront(Walmer) Ltd | Other services | 2025 |
| Beachstaple Limited | Real estate | 2005 |
| Bear Beauty Botanicals Ltd | Wholesale & retail | 2022 |
| Beautiful Blinds of Deal Ltd | Wholesale & retail | 2016 |
| Beautiful Homes UK Home Improvements Ltd | Construction | 2023 |
| Beautiful Homes UK South East Ltd | Construction | 2026 |
| Bees-R-Us Limited | Agriculture & fishing | 2025 |
| Belgrave Court (Walmer) Limited | Households | 1999 |
| Bell’S Inspection Services Ltd | Professional & scientific | 2026 |
| Beltinge & District Funeral Services Limited | Other services | 2008 |
| Benleigh Property Maintenance Limited | Administrative & support | 2025 |
| Benmore Consulting Limited | Information & communication | 2019 |
| Bennett Sourcing Ltd | Administrative & support | 2025 |
| Berry Deal Management Limited | Households | 2014 |
| Best Carpentry Ltd | Manufacturing | 2026 |
| Best Option Services Ltd | Health & social care | 2024 |
| Betathera Ltd | Manufacturing | 2023 |
| Bettes Bar Limited | Hospitality | 2023 |
| Betteshanger Farms Limited | Agriculture & fishing | 1956 |
| Betteshanger Investments Limited | Real estate | 1959 |
| Betttech Global Ventures Ltd. | Information & communication | 2019 |
| BEZ Brickwork Ltd | Construction | 2025 |
| BF Engineering Limited | Construction | 2023 |
| Big PAN Foods Limited | Hospitality | 2015 |
| Biomarker Consulting Ltd | Professional & scientific | 2016 |
| Birchall Group Ltd | Construction | 2017 |
| Bitesize Holdings Ltd | Hospitality | 2017 |
| BKC Contractors Limited | Construction | 2010 |
| Blacksheep Creatives Limited | Arts & recreation | 2002 |
| Blacksheep Design Collectives Holdings Limited | Financial services | 2025 |
| Blacksheep Design Collectives Ltd | Administrative & support | 2021 |
| Blake Digital Ltd | Professional & scientific | 2022 |
| Blaqua Online Limited | Wholesale & retail | 2013 |
| Blckwd Limited | Information & communication | 2017 |
| Blind Illusions (Kent) Ltd | Manufacturing | 2018 |
| Blinkbox Properties Management Ltd | Real estate | 2015 |
| Blitz Cleaners Limited | Administrative & support | 2023 |
| Block Property Management (Deal) Ltd | Households | 2021 |
| Blocklong Residents Management Limited | Households | 1988 |
| Blue Falcon (Kent) Ltd | Education | 2018 |
| Blue Orbit Web Design Ltd | Information & communication | 2022 |
| Blue Town Limited | Administrative & support | 1998 |
| Bluebirds Management Dover Ltd | Administrative & support | 2016 |
| Blueenbygamer Arts Ltd | Wholesale & retail | 2026 |
| Bmgibbs & Co. Limited | Professional & scientific | 2015 |
| Bobdangj Ltd | Hospitality | 2020 |
| Bodyworks Gym Shop Limited | Wholesale & retail | 2023 |
| Bolonia Residents Management Company Limited | Households | 1991 |
| Bond Business UK Limited | Administrative & support | 2019 |