| 1-4 Marshall Terrace (Lydd) Manco Limited | Households | 2021 |
| 1ST Call Aerials Ltd | Information & communication | 2019 |
| 1ST Fittings Limited | Wholesale & retail | 2008 |
| 2PERSONAL Gifts Ltd | Wholesale & retail | 2016 |
| A & G Plumbing and Heating Kent Limited | Construction | 2016 |
| A F & T Limited | Households | 2025 |
| A J Pyrotechnics Limited | Administrative & support | 2008 |
| A Lindsey & SON Limited | Construction | 2018 |
| A.P.C. Water Engineers Limited | Construction | 2025 |
| A.S.H. Timberworks Ltd | Manufacturing | 2003 |
| Abacus (Upvc) Ltd. | Construction | 2003 |
| Abacus Nursery and Childcare Limited | Education | 2005 |
| ABS (Kent) Limited | Construction | 2019 |
| Absolute Carpentry & Building Limited | Construction | 2016 |
| ACA (Kent) Limited | Manufacturing | 2017 |
| Acorn (UK) 2006 Ltd | Wholesale & retail | 2006 |
| Actuserve Limited | Professional & scientific | 2013 |
| Acventure (Bowen House) Limited | Households | 2023 |
| Acventure (Brookland) Ltd | Construction | 2020 |
| Acventure (Developments) Limited | Construction | 2023 |
| Acventure Limited | Real estate | 2018 |
| Adam Slater Limited | Professional & scientific | 2006 |
| Additiva Limited | Manufacturing | 2026 |
| Admiral Ventilation & Maintenance Ltd | Construction | 2011 |
| Ailsa-Amhurst Limited | Construction | 1962 |
| Aimee Jones Digital Ltd | Wholesale & retail | 2024 |
| ALB Rail Services Ltd | Other services | 2016 |
| ALL Star Campers Ltd | Wholesale & retail | 2026 |
| All-Rates Ltd | Administrative & support | 2021 |
| Allbits Plumbing Supplies (Romney) Limited | Wholesale & retail | 2003 |
| Allied Driving Schools Ltd | Education | 1999 |
| Altimax Limited | Information & communication | 1992 |
| Amazing Acrylics Ltd | Wholesale & retail | 2021 |
| Amnac Studios Inc Limited | Information & communication | 2014 |
| Anderson Brothers Property Limited | Real estate | 2023 |
| Antematters Consulting Limited | Professional & scientific | 2022 |
| Anthony Baldwin Construction Limited | Construction | 2003 |
| Anytek Ltd | Information & communication | 2011 |
| APL (ELA) Construction Services Ltd | Construction | 2024 |
| Aquaheat Ashford Limited | Construction | 2013 |
| Architects Plus Limited | Professional & scientific | 2000 |
| Armada Close Littlestone Management Company Limited | Real estate | 1997 |
| Ashdown Angling Ltd | Agriculture & fishing | 2026 |
| Ashford Conservatories Ltd | Construction | 2011 |
| Ashford Solid Roof Company Limited | Construction | 2025 |
| Ashford Trade Flooring Limited | Construction | 2014 |
| Association of Healthcare Trainers Ltd | Extraterritorial | 2015 |
| Athelstan Associates Limited | Construction | 2010 |
| Automotive Parts Limited | Wholesale & retail | 2012 |
| B & M Coleman Limited | Agriculture & fishing | 2018 |
| B.E. Ames Limited | Construction | 1975 |
| BAH Barberz Ltd | Other services | 2023 |
| Bakery 64 Ltd | Hospitality | 2019 |
| Balance Bar New Romney Ltd | Hospitality | 2025 |
| Ballards Black Cabs Limited | Administrative & support | 2014 |
| Balloon View Publishing Ltd | Information & communication | 2017 |
| Bay Carpets Limited | Wholesale & retail | 2017 |
| BBQ Catering Ltd | Hospitality | 2025 |
| Bccb Incorporated Limited | Professional & scientific | 2005 |
| BD Installations Tiling & Bathrooms Limited | Construction | 2021 |
| Beach 48 Ltd | Hospitality | 2013 |
| Beeguest Anglia Limited | Wholesale & retail | 2013 |
| Benjamin's Homes Limited | Real estate | 2025 |
| Bennett & Friends Caterers Ltd | Hospitality | 2021 |
| Bentley Road 1966 Limited | Extraterritorial | 2014 |
| Besttec Limited | Information & communication | 2017 |
| Beta OIL Limited | Professional & scientific | 2016 |
| Betts Buildings Services Ltd | Construction | 2013 |
| Big G Sales & Lettings Ltd | Real estate | 2025 |
| Big Green Sofa Ltd | Professional & scientific | 2024 |
| Bitcoin Construction and Renovation Limited | Construction | 2018 |
| Blackbarrel Inns Ltd | Hospitality | 2025 |
| Blenheim Construction (Kent) Limited | Construction | 2024 |
| Blossoms Enterprises Ltd | Health & social care | 2013 |
| Bluefrog Fundraising Limited | Professional & scientific | 2016 |
| Bobby Harvey Ltd | Information & communication | 2026 |
| Bogdan ADR Transport Limited | Transport & logistics | 2019 |
| Brian Sneyd Building Ltd | Construction | 2012 |
| Bridgewater Developers Ltd | Construction | 2004 |
| Brightfield Bayard Limited | Households | 2018 |
| Brightfield Contractors Limited | Construction | 2015 |
| Brightstar Advisory Ltd | Professional & scientific | 2023 |
| Britzensys Limited | Information & communication | 2011 |
| Broadacre Limited | Extraterritorial | 2003 |
| Brown's International Transport Ltd | Transport & logistics | 2020 |
| Bunree Resource Management Limited | Professional & scientific | 2004 |
| Business for Growth Limited | Administrative & support | 1998 |
| C & D Body Fabrications Limited | Manufacturing | 2019 |
| C N Nail Supply Ltd | Administrative & support | 2008 |
| C.F. & J. Brailey Limited | Construction | 1991 |
| Cambridge Felt Roofing Ltd | Construction | 2012 |
| Canmart Ltd | Transport & logistics | 2018 |
| Canterbury Hifi Limited | Wholesale & retail | 2014 |
| Capel Supplies Limited | Real estate | 1999 |
| Captain Howey Hotel Ltd | Hospitality | 2023 |
| Carisbrooke Vets Limited | Professional & scientific | 2012 |
| Carr & Darlington Ltd | Transport & logistics | 2024 |
| Causon Construction Limited | Construction | 2015 |
| CC Fitness Limited | Education | 2023 |
| Chartwell ACS Limited | Administrative & support | 2020 |