| 1066 Promotions Limited | Information & communication | 2017 |
| 2 Coast Road Freehold Limited | Real estate | 2016 |
| 21CEC PX Pharm Ltd | Manufacturing | 2003 |
| 21ST Century FOX Limited | Information & communication | 2017 |
| 35 Amherst Road, Bexhill Ltd. | Real estate | 1997 |
| 37-43 Willow Herb Way RTM Company Limited | Households | 2021 |
| A Leek Limited | Arts & recreation | 2026 |
| ABC Accounts (Sussex) Ltd | Professional & scientific | 2011 |
| ACCOUNT4TAX Accountants Ltd | Professional & scientific | 2020 |
| Achilles Partnership Ltd | Financial services | 2020 |
| Actaland Limited | Professional & scientific | 2008 |
| Adaptive Automated Systems Ltd | Manufacturing | 2015 |
| Agricultural Machine Hire Ltd | Administrative & support | 2011 |
| AIRBNB2ME Ltd | Professional & scientific | 2022 |
| Alexander Taylor Medical Group Ltd | Health & social care | 2023 |
| Alexe RUS Rides Ltd | Transport & logistics | 2025 |
| Alpha Monitoring Limited | Construction | 2024 |
| Alpha Worldwide Limited | Professional & scientific | 2005 |
| Alpine Recruitment Services Ltd | Administrative & support | 2023 |
| Altona Property Ltd | Real estate | 2026 |
| Anglers DEN Ltd | Wholesale & retail | 2010 |
| Arcadia Decorators Limited | Construction | 2010 |
| Artemis FM Ltd | Energy | 2021 |
| Aryfaith Ltd | Administrative & support | 2020 |
| ASN PVT Ltd | Wholesale & retail | 2024 |
| Atbj Ltd | Real estate | 2024 |
| Auxesia Property Limited | Real estate | 2023 |
| Barnham DEV Co Ltd | Construction | 2026 |
| Be-Rad Watersports School Ltd | Administrative & support | 2022 |
| Beach Way Limited | Households | 2018 |
| Beauty and Beats Ltd | Arts & recreation | 2023 |
| Benchmark Carpentry & Construction Ltd | Construction | 2017 |
| Bentley Homes Developments Limited | Real estate | 1998 |
| Benton Developments Limited | Real estate | 2024 |
| Bhsdigital Ltd | Professional & scientific | 2020 |
| Bigweb Entertainment Limited | Information & communication | 2010 |
| Bilal Ahmad Limited | Health & social care | 2014 |
| Blaker Limited | Information & communication | 2012 |
| Bourne Extreme CIC | Arts & recreation | 2019 |
| Bourne This Way Lgbt+ Parents Support Group CIC | Education | 2022 |
| Boutique Renovations Ltd | Construction | 2014 |
| Bouvier Estimating & Project Management Limited | Professional & scientific | 2026 |
| BPS Property Ventures Ltd | Real estate | 2026 |
| Bradford & Thomas LLP | | 2008 |
| Burcombe Residents Limited | Households | 2004 |
| Butterfly YOU Beauty Ltd | Other services | 2024 |
| Bxyz Ltd | Information & communication | 2025 |
| C a Heating & Plumbing Limited | Construction | 2019 |
| C T Electrical Contracting Ltd | Construction | 2020 |
| C&F Carpentry & Glazing Ltd | Construction | 2025 |
| Cabris Consulting Ltd | Professional & scientific | 2021 |
| Calm Journey Therapy Limited | Health & social care | 2015 |
| Carlo Ghini Ltd | Arts & recreation | 2011 |
| Carrera Classic Cars Limited | Wholesale & retail | 2017 |
| Cerberus Projects Ltd | Professional & scientific | 2017 |
| Chip Developments Limited | Wholesale & retail | 2020 |
| Christopher Murphy Management Limited | Professional & scientific | 2022 |
| Chrysalis Weddings & Events Ltd | Arts & recreation | 2024 |
| Clarence Court (Pevensey Bay) Limited | Households | 1994 |
| Cleaner Coolers Limited | Transport & logistics | 2007 |
| Coffee Time 838 Ltd | Hospitality | 2019 |
| Commodity BD Limited | Hospitality | 2026 |
| Concept Hairdressing Limited | Other services | 2009 |
| Connecting Souls Ltd | Administrative & support | 2026 |
| Conrad Construction Limited | Construction | 2013 |
| Conservatory Roof Converters Ltd | Construction | 2021 |
| Converge Life Limited | Health & social care | 2025 |
| Cowdray Close Residents Association Limited | Hospitality | 1989 |
| Crafted Coffee Ltd | Hospitality | 2023 |
| Craig Hornby Auto Paint Repairs Ltd | Wholesale & retail | 2023 |
| Cratch Media Ltd | Professional & scientific | 2022 |
| Cross Scaffolding Sussex Limited | Construction | 2014 |
| Ctec Building Contractors Ltd | Construction | 2024 |
| Custombuild Carpentry and Design Limited | Manufacturing | 2025 |
| D P T Welding Limited | Other services | 2002 |
| D&D Partnership Ltd | Hospitality | 2026 |
| D-Rox Legacy Limited | Health & social care | 2025 |
| Darboee Ltd | Health & social care | 2025 |
| Dennis Historic Engineering Ltd | Wholesale & retail | 2025 |
| Design to Reality Ltd | Construction | 2024 |
| Devonshire Performance Cars Limited | Wholesale & retail | 2004 |
| Dickson Brothers Ltd | Construction | 2016 |
| Digital Sussex Ltd | Administrative & support | 2017 |
| Dimensions (Garage Doors) Limited | Construction | 2003 |
| Direct Electric Services Limited | Construction | 2017 |
| Direct Travel Journeys Ltd | Transport & logistics | 2012 |
| DM Facilities Management Limited | Professional & scientific | 2018 |
| Dough Meats Cheese Limited | Hospitality | 2026 |
| Dovetail Projects Ltd | Construction | 2025 |
| DR Humaira Rafi Limited | Health & social care | 2016 |
| DR Willkomm Wines Limited | Other services | 1990 |
| DR3DPRINTING Ltd | Manufacturing | 2025 |
| Dtgs Limited | Administrative & support | 2002 |
| DW24 Enterprise Ltd | Professional & scientific | 2022 |
| DW24 Nutrition Ltd | Other services | 2020 |
| DY Lettings Ltd | Real estate | 2018 |
| Earthoria Limited | Wholesale & retail | 2023 |
| East Sussex Automotive Limited | Wholesale & retail | 2020 |
| East Sussex W.R.A.S. Ltd. | Wholesale & retail | 2004 |
| Eastbourne & Pevensey Pilates Ltd | Other services | 2026 |