| Arran Jones Associates Ltd | Administrative & support | 2024 |
| Art and Craft Retreats Ltd | Administrative & support | 2025 |
| Artbright Ltd | Wholesale & retail | 2025 |
| Artergy.Com Limited | Professional & scientific | 2023 |
| Arts Hastings CIC | Arts & recreation | 2025 |
| Arun Estates Limited | Real estate | 2016 |
| AS New Properties Ltd | Construction | 2024 |
| Asbestos Aware UK Ltd | Water & waste | 2025 |
| Ascot Products Ltd | Wholesale & retail | 2024 |
| Ashburton Optical Ltd. | Health & social care | 2017 |
| Ashdown Road (Phase 2 Management Bexhill) Limited | Households | 1982 |
| Ashley Blake Rope Access Ltd | Administrative & support | 2026 |
| Ashtead & Tilford Estates Limited | Households | 1999 |
| Ashtead Towers (Bexhill) Residents Company Limited | Households | 1972 |
| Aspect Electrics Ltd | Construction | 2016 |
| Aspect Roadmarkings Limited | Administrative & support | 2020 |
| Aspire Driver Development | Education | 2013 |
| Aspire Sport Hastings Limited | Arts & recreation | 2023 |
| Aspiro Financial Ltd | Financial services | 2026 |
| Asset Developments UK Limited | Real estate | 2009 |
| Asset Intelligence Consulting Limited | Administrative & support | 2004 |
| Aston Roofing Limited | Construction | 2020 |
| Astrid Property Services Ltd | Construction | 2026 |
| AT Organic Cotton Ltd | Wholesale & retail | 2022 |
| Atina Holdings LLP | | 2026 |
| Aurora Construction Ltd | Construction | 2025 |
| Aurora Education Trust | Education | 2012 |
| Auto Smart Repairs Ltd | Wholesale & retail | 2020 |
| Automaker Ltd | Information & communication | 2024 |
| Autoprime Automotive Products Ltd | Manufacturing | 2020 |
| Avdc Ltd | Construction | 2022 |
| Averyscarpentry Ltd | Manufacturing | 2025 |
| Avial Stores Ltd | Wholesale & retail | 2025 |
| Aviassure Group Ltd | Professional & scientific | 2026 |
| Avis Building Services Limited | Construction | 2014 |
| Aviton Limited | Professional & scientific | 2019 |
| Awakening Inner Consciousness Limited | Other services | 2023 |
| AWP Software Solutions Ltd | Information & communication | 2010 |
| AWP Travel Systems Ltd | Information & communication | 2015 |
| Axis Developments and Holdings Limited | Real estate | 2021 |
| Axton Care Limited | Health & social care | 2024 |
| Azertyuiop Limited | Professional & scientific | 2012 |
| Aztecdata Limited | Information & communication | 1989 |
| B & G Environmental Services Limited | Administrative & support | 2001 |
| Back From Black Beam Renovation Limited | Construction | 2012 |
| Bad-Boy Brewing Company Ltd | Manufacturing | 2020 |
| Bahar Spice Ltd | Hospitality | 2026 |
| Baking MAD Limited | Professional & scientific | 2025 |
| Baldwin Smith Ltd | Financial services | 2020 |
| Ball Marketing Ltd | Professional & scientific | 2020 |
| Bandwith Ventures Limited | Financial services | 2011 |
| Barham Electrics Limited | Construction | 2018 |
| Barrack Hall Properties Limited | Real estate | 2013 |
| Barry Harland & SON Limited | Agriculture & fishing | 2010 |
| Bart Developments Sussex Ltd | Construction | 2022 |
| Bates Capital Limited | Professional & scientific | 2019 |
| Battle Road Developments Limited | Real estate | 2018 |
| Bawdale Road Limited | Households | 2024 |
| Bay View Park Limited | Hospitality | 2004 |
| Bayeux Court (Bexhill-On-Sea) RTM Company Limited | Other services | 2004 |
| Bayview Digital Healthcare Ltd | Information & communication | 2024 |
| BB 2000 Limited | Information & communication | 2000 |
| BDL Project Support Limited | Construction | 2005 |
| BE Heard Productions Ltd | Information & communication | 2024 |
| BE Original (UK) Limited | Real estate | 2013 |
| Beaney's Taxis Limited | Transport & logistics | 2022 |
| Bearded Geek Media Ltd | Information & communication | 2026 |
| Bears Bar & Grill Ltd | Hospitality | 2017 |
| Beaulieu Court Residents Association (Bexhill) Limited | Other services | 1990 |
| Beaumont Child and Educational Psychology Ltd | Education | 2022 |
| Beeching Park (Bexhill-On-Sea) Limited | Real estate | 2007 |
| Beeching Vehicle Sales Limited | Wholesale & retail | 2015 |
| Beeem Ltd | Manufacturing | 2022 |
| Bell Property Development Ltd | Construction | 2025 |
| Belmaine Court Residents Association (Bexhill) Limited | Households | 1984 |
| Bennett Automation Limited | Construction | 2025 |
| Bennett Management & Consultations Ltd | Professional & scientific | 2024 |
| Beric Electronics Ltd | Financial services | 2024 |
| Beroia Ltd | Real estate | 2021 |
| Beroun Holdings Ltd | Financial services | 2021 |
| Best Advice Mortgage Brokers Limited | Financial services | 2026 |
| Best Advice Protection Ltd | Financial services | 2009 |
| Best Tile Ltd | Wholesale & retail | 2019 |
| Bexhill Building Ltd | Real estate | 2024 |
| Bexhill Car Care Limited | Wholesale & retail | 2018 |
| Bexhill Car Valeting Centre Ltd | Wholesale & retail | 2024 |
| Bexhill Car Wash Ltd | Administrative & support | 2026 |
| Bexhill Coffee Shop Ltd | Hospitality | 2024 |
| Bexhill Cosmetic Clinic Limited | Health & social care | 2009 |
| Bexhill Cross Fit Ltd | Arts & recreation | 2015 |
| Bexhill Estates (ML) Ltd | Real estate | 2019 |
| Bexhill Gardening Limited | Administrative & support | 2021 |
| Bexhill Gearboxes (Sussex) Ltd | Wholesale & retail | 2025 |
| Bexhill Gearboxes Ltd | Wholesale & retail | 2010 |
| Bexhill Health Hub Ltd | Arts & recreation | 2026 |
| Bexhill Motors Limited | Wholesale & retail | 2015 |
| Bexhill Old Town Preservation Society Limited | Professional & scientific | 2013 |
| Bexhill Osteopathic Practice Limited | Health & social care | 2008 |
| Bexhill Photographic Limited | Professional & scientific | 2003 |
| Bexhill Podiatry Ltd | Health & social care | 2026 |