| (BG) Begwan Construction Ltd | Construction | 2025 |
| 115A High Street Limited | Real estate | 2020 |
| 1702 African Cuisine Ltd | Hospitality | 2025 |
| 1963 Multimedia (UK) Ltd | Manufacturing | 2023 |
| 2 Hoddesdon Road (Belvedere) Freehold Company Limited | Households | 2017 |
| 24 Lifestyle and Performance Limited | Arts & recreation | 2023 |
| 2KMARKETING Limited | Professional & scientific | 2025 |
| 2RUSH Limited | Wholesale & retail | 2023 |
| 4 Beauties Limited | Wholesale & retail | 2024 |
| 4 King Lekker Ltd | Hospitality | 2025 |
| A and E Ambulance Service Limited | Health & social care | 2023 |
| A G Belvedere Properties Ltd | Real estate | 2019 |
| A Grade Music Group Limited | Arts & recreation | 2019 |
| A Ibrahim Plumbing & Heating Ltd | Energy | 2017 |
| A Patching Estimating Services Limited | Construction | 2023 |
| A&K Consultancy Ltd | Professional & scientific | 2025 |
| A-Pro Consult Ltd | Information & communication | 2026 |
| A.P.A. (U.K.) Limited | Wholesale & retail | 1984 |
| Aarox Construction Limited | Administrative & support | 2020 |
| Abacus Surveyors Limited | Professional & scientific | 2024 |
| ABG Fibre Services Ltd. | Other services | 2017 |
| Aboki Grillz Ltd | Hospitality | 2026 |
| Absek Care Ltd | Health & social care | 2022 |
| Absolute Accountancy Solutions Ltd | Professional & scientific | 2021 |
| Acak NE1 Investment Limited | Real estate | 2021 |
| Accountancy Bureau Limited | Professional & scientific | 2001 |
| Accrued Ltd | Professional & scientific | 2025 |
| Acorn Electrica Ltd | Construction | 2023 |
| Acrylic Web Studios Ltd | Information & communication | 2024 |
| Adrems Consult Limited | Professional & scientific | 2017 |
| ADS Brothers Limited | Professional & scientific | 2015 |
| Advanced Housing Ltd | Real estate | 2019 |
| Affability Limited | Construction | 2024 |
| Affiong &Tj's Holistic Therapy Ltd | Manufacturing | 2020 |
| Affordable Waste Removal Ltd | Water & waste | 2022 |
| Africa Infrastructure Partners Limited | Information & communication | 2025 |
| Afro Future Group Ltd | Professional & scientific | 2025 |
| AGE UK Bexley | Health & social care | 2001 |
| AGO Solutions Limited | Financial services | 2023 |
| AGU Analytics Ltd | Information & communication | 2025 |
| AHU1 Services Ltd | Construction | 2025 |
| Air Systems Manufacturing Company Limited | | 1983 |
| Air Tech AC Limited | Energy | 2018 |
| Air Tech AC Systems Ltd | Construction | 2017 |
| Air Tech D.S. Limited | Manufacturing | 1993 |
| Air Tech Group Limited | Administrative & support | 1996 |
| Airloop & SON Ltd | Construction | 2023 |
| Airtech Insulation Services Limited | Construction | 2025 |
| Ajeyemi Care Services Ltd | Health & social care | 2026 |
| Ajikx Allied Services Limited | Health & social care | 2018 |
| AJM Bowes Limited | Administrative & support | 2022 |
| AJO Global Enterprises Limited | Hospitality | 2018 |
| AKA Construction Ltd | Construction | 2020 |
| Akaal’S Transport Ltd | Transport & logistics | 2025 |
| Akin and Oloye Holdings Ltd | Real estate | 2022 |
| Akin Services Ltd | Wholesale & retail | 2016 |
| AKM6 Ltd | Real estate | 2025 |
| Akrosalt Technology Ltd | Information & communication | 2014 |
| AL Mustaqeem Limited | Wholesale & retail | 2023 |
| Alamu Planning & Design Limited | Professional & scientific | 2018 |
| Alicam Limited | Construction | 2018 |
| ALL About K9'S Ltd | Wholesale & retail | 2025 |
| ALL Fords Limited | Wholesale & retail | 2009 |
| ALL Kent Windows Limited | Construction | 2003 |
| ALL Type Work Solutions Limited | Construction | 2019 |
| ALL Your Occasions Ltd | Arts & recreation | 2026 |
| Allspec Group Limited | Construction | 2020 |
| Aloe Vera Bexleyheath Limited | Health & social care | 2014 |
| Alpha Contracts UK Limited | Information & communication | 2007 |
| Amazing Hospitality Ltd | Hospitality | 2022 |
| Ambidexterity Limited | Real estate | 2023 |
| Amrajk Ltd | Real estate | 2023 |
| Amyosa Limited | Health & social care | 2020 |
| Anchor Assests Limited | Real estate | 2025 |
| Anchorhaven Care Services Ltd | Health & social care | 2026 |
| Anemone Care Homes Ltd | Real estate | 2023 |
| Anita Care Solution Ltd | Health & social care | 2022 |
| Another Go Around Tech Limited | Other services | 2025 |
| Anshiga Limited | Wholesale & retail | 2025 |
| AO Supply Haus Ltd | Wholesale & retail | 2025 |
| AP Deco Ltd | Construction | 2021 |
| APE Tactics Ltd | Information & communication | 2025 |
| Apex Wills and Probate Ltd | Other services | 2015 |
| APK Trading Ltd | Public administration | 2020 |
| App Chop Shop Ltd | Information & communication | 2019 |
| Appiah Limited | Transport & logistics | 2022 |
| Apptex Ltd | Wholesale & retail | 2026 |
| Apptex Software Solutions Ltd | Wholesale & retail | 2025 |
| AQK Properties Ltd | Real estate | 2023 |
| Aqsa Zabeer Ltd | Transport & logistics | 2026 |
| Area Construction and Maintenance Ltd | Construction | 2019 |
| Arims Homestyle Limited | Hospitality | 2024 |
| ARK Lead Finance Limited | Agriculture & fishing | 2024 |
| Aryan's School of Motoring Ltd | Education | 2021 |
| ASC Contracting & Building Ltd | Other services | 2015 |
| Ascenti Distribution Limited | Wholesale & retail | 2013 |
| Ascon 89 Limited | Construction | 2020 |
| Astro Consult Ltd | Professional & scientific | 2021 |
| Audio Outsider Ltd | Information & communication | 2025 |
| Auragen Waste Management Ltd | Water & waste | 2014 |