| 1 Richmond Road Management Company Limited | Real estate | 2022 |
| 105 Ventures Limited | Hospitality | 2024 |
| 2 Vincent Road Limited | Construction | 2020 |
| 2.PLO Ltd | Administrative & support | 2023 |
| 206 Bull Lane Management Company Limited | Households | 2005 |
| 24 Logistics Ltd | Transport & logistics | 2026 |
| 34 Ashford Road Maidstone Management Co. Limited | Households | 1988 |
| 4U Training Limited | Education | 2025 |
| 501 Entertainment Ltd | Administrative & support | 2018 |
| 58 Bramblebury Road Limited | Real estate | 2017 |
| A & a Electrical Contractors Limited | Construction | 2025 |
| A & B Flooring Ltd | Construction | 2017 |
| A Brighter Headache Limited | Arts & recreation | 2016 |
| A F Energy and Contruction Limited | Manufacturing | 2021 |
| A J Floors Ltd | Wholesale & retail | 2023 |
| A J LEE Ltd | Construction | 2016 |
| A MAY Accounting Limited | Professional & scientific | 2014 |
| A Newson Engineering Ltd | Construction | 2014 |
| A P a Management Services Limited | Administrative & support | 2016 |
| A&I Reeves Property Ltd | Real estate | 2021 |
| A&R Logistics Ltd | Transport & logistics | 2021 |
| A&S Flooring Ltd | Construction | 2017 |
| A.C.T. Communications Limited | Wholesale & retail | 1993 |
| A.F. Freight Services Limited | Transport & logistics | 2005 |
| A.M.C Carpenters and Builders Ltd | Manufacturing | 2017 |
| A.R.I. Surveying Ltd | Professional & scientific | 2022 |
| A311 Ltd | Manufacturing | 2021 |
| AA Properties (Kent) Ltd | Real estate | 2024 |
| AAM Social Work Assessments Ltd | Health & social care | 2022 |
| Aaratech Ltd | Professional & scientific | 2026 |
| AB Capital Holdings Ltd | Real estate | 2021 |
| Abel Kane Limited | Construction | 2011 |
| Able Maintenance Limited | Construction | 2026 |
| Absolute ADS Limited | Other services | 2017 |
| ABT Services Kent Limited | Construction | 2018 |
| ACA02 Properties Ltd | Real estate | 2025 |
| Access Your Life Ltd | Other services | 2018 |
| Acropolis Developments Limited | Professional & scientific | 1997 |
| ACT Fixit Ltd | Wholesale & retail | 2023 |
| ACT Universal Ltd | Manufacturing | 2001 |
| Actiontrax Limited | Arts & recreation | 2003 |
| Adam Phillips Limited | Real estate | 2025 |
| Adana 07 Ltd | Hospitality | 2025 |
| Advanced Courier Services Ltd | Transport & logistics | 2026 |
| Advantage Media UK Limited | Information & communication | 2005 |
| Advicemission Ltd | Health & social care | 2014 |
| AE China Holdings Limited | Financial services | 2026 |
| AE China Ltd | Financial services | 2026 |
| Aerial and Satellite Consultancy Limited | Information & communication | 1998 |
| Aerial and Satellite Systems Limited | Information & communication | 2023 |
| Affirm Technical Services Limited | Construction | 2018 |
| Afflux Ventilation Systems Ltd | Construction | 2022 |
| Afritrac UK Limited | Construction | 2018 |
| AGS Hoarding & Fencing Limited | Construction | 2010 |
| Aguiyi Brothers Limited | Health & social care | 2010 |
| AHM Ophthalmics Limited | Health & social care | 2014 |
| Aidem Construction Limited | Construction | 2022 |
| Aisso Ltd | Construction | 2026 |
| AJ Birch Properties Limited | Real estate | 2022 |
| AJ Williams Carpentry Ltd | Construction | 2022 |
| AJM Group Solutions Limited | Manufacturing | 2016 |
| AJS Crane Services Limited | Construction | 2018 |
| AK Management Limited | Real estate | 2022 |
| AKG Solutions Ltd | Administrative & support | 2024 |
| AKM Security Limited | Administrative & support | 2018 |
| Al-Madina Tandoori Ltd | Hospitality | 2023 |
| ALB Events Limited | Hospitality | 2018 |
| Albatross Group Holdings Limited | Financial services | 2008 |
| Albatross Group Limited | Administrative & support | 2017 |
| Albatross Incoming Tours Limited | Administrative & support | 1997 |
| Albatross Motoring Limited | Administrative & support | 2014 |
| ALD Surveying Limited | Administrative & support | 2014 |
| Alid Carwash Ltd | Administrative & support | 2024 |
| Alim-Et Properties Ltd | Real estate | 2021 |
| ALL About Gifts Limited | Wholesale & retail | 2022 |
| ALL Angels Close Management Company Limited | Households | 2012 |
| ALL Flow Drainage Ltd | Water & waste | 2024 |
| ALL Paws Kent Limited | Other services | 2025 |
| Allchin Pressure Washing Ltd | Construction | 2026 |
| Allfloors Trade Center Limited | Construction | 2019 |
| Alliance Pack Limited | Professional & scientific | 2014 |
| Alljay Holdings Limited | Financial services | 2006 |
| Allthings POP Music Promo Ltd | Professional & scientific | 2024 |
| Allthings POP Music UK Ltd | Professional & scientific | 2026 |
| Alltrade Services Limited | Construction | 2018 |
| Alma Jais Limited | Health & social care | 2014 |
| ALP Site Services Ltd | Administrative & support | 2023 |
| Alpha 311 Ltd | Manufacturing | 2018 |
| Alpha Thermal Limited | Construction | 2025 |
| Alphabot Ltd | Wholesale & retail | 2021 |
| Altay Logistic Limited | Transport & logistics | 2023 |
| Altay's House Limited | Real estate | 2023 |
| Altrans Cris Ltd | Transport & logistics | 2017 |
| Altus Roofing Co. Ltd | Construction | 2026 |
| Amaze Research Limited | Professional & scientific | 2022 |
| Amazon Installations Limited | Administrative & support | 2024 |
| Amber Pro Limited | Construction | 2024 |
| Ambos Studios Ltd | Information & communication | 2023 |
| Amend Cosmetic Trim Repairs Limited | Wholesale & retail | 2025 |
| Amenti Electrical Ltd | Construction | 2024 |