| 1 Regent Square Freehold Limited | Households | 2009 |
| 1-6 Kings Hill Mews RTM Company Limited | Households | 2016 |
| 10 Murray Street RTM Company Limited | Households | 2024 |
| 10 Seafield Road Management Limited | Households | 2001 |
| 10 Wynne Road Management Company Limited | Households | 2016 |
| 101 Holmesdale Road RTM Company Limited | Households | 2025 |
| 11 Alderbrook Road Management Co. Ltd | Households | 1999 |
| 13 - 18 Kinnoull Mansions RTM Company Limited | Households | 2011 |
| 13 Crewdson Road RTM Company Limited | Households | 2016 |
| 14 Smoke Lane (Reigate) RTM Company Ltd | Households | 2012 |
| 159 Holland Park Avenue RTM Company Limited | Households | 2013 |
| 16 Lanhill Road Freehold Limited | Real estate | 2020 |
| 16 Lanhill Road Limited | Households | 1993 |
| 18 Fore ST Seaton (Management) Limited | Real estate | 2004 |
| 195 Woodside Green Residents Association Limited | Households | 1995 |
| 2 Montem Road RTM Company Limited | Households | 2014 |
| 20 Hillside Gardens Freehold Limited | Households | 2018 |
| 20HG RTM Company Limited | Households | 2016 |
| 27 Welch Road Management Company Ltd | Households | 2002 |
| 28 Beer Road Management Limited | Households | 2004 |
| 3 Aldridge Road Villas RTM Company Limited | Households | 2024 |
| 3 Wellington Road RTM Company Limited | Households | 2011 |
| 31 Wellesley Road RTM Company Limited | Households | 2026 |
| 360 Degree (SW) Ltd | Professional & scientific | 2021 |
| 4 Lena Gardens Limited | Households | 2019 |
| 44 ARV RTM Company Limited | Households | 2021 |
| 46 Redcliffe Gardens (Chelsea) Management Company Ltd | Households | 2016 |
| 47 Fernbank Road Management Co Ltd | Households | 2024 |
| 55 Hatton Garden Freehold Limited | Households | 2003 |
| 56 Chase Green Avenue RTM Company Limited | Households | 2010 |
| 6 Major Terrace (Seaton) Limited | Households | 2019 |
| 6 Weekly Window Cleaning Ltd | Administrative & support | 2026 |
| 7 Trevelyan Road (Seaton) Limited | Households | 1994 |
| 79 Great Suffolk Street Limited | Households | 2012 |
| 8-10 North Road RTM Company Limited | Households | 2026 |
| 84 Green Lanes RTM Company Limited | Households | 2023 |
| 9 Gateley Road RTM Company Limited | Households | 2011 |
| 9-11 Brighton Road RTM Company Limited | Households | 2026 |
| A. G. Clarke Limited | Professional & scientific | 2002 |
| AB Psychological Services Ltd | Health & social care | 2023 |
| Abbey Court Nbrs RTM Company Limited | Households | 2024 |
| Abbey House (Seaton) Management Limited | Real estate | 2003 |
| Ableson Property Ltd | Real estate | 2020 |
| ACB Productions Limited | Information & communication | 2023 |
| ACB Psychology Limited | Health & social care | 2018 |
| ACM Asset Solutions Ltd | Professional & scientific | 2023 |
| ADI Electrical Solutions Ltd | Construction | 2011 |
| Adolescence Support and Educational Services Limited | Education | 2014 |
| Adventure Types Ltd | Extraterritorial | 2019 |
| Affinity Capital Co 1 Ltd | Real estate | 2025 |
| Affinity Capital Equity Projects Ltd | Real estate | 2024 |
| Afrigrocer Limited | Wholesale & retail | 2025 |
| Air Compressor Systems Limited | Professional & scientific | 1998 |
| Ajeb Consulting Limited | Professional & scientific | 2022 |
| Ajmarshall Limited | Hospitality | 2016 |
| AJP Properties (South West) Ltd | Real estate | 2018 |
| Alan Rodo Limited | Arts & recreation | 2004 |
| Alders Accountants Limited | Professional & scientific | 2018 |
| Alex Burges Plumbing & Heating Ltd | Construction | 2014 |
| Alices Bear Shop Limited | Extraterritorial | 2010 |
| Allen Associates Architects Limited | Professional & scientific | 2003 |
| Allimac FM Ltd | Real estate | 2018 |
| Alpc Health and Care Consultancy Ltd | Extraterritorial | 2024 |
| Altius One (Hackney) Management Company Limited | Households | 2005 |
| Alva Court E5 RTM Company Ltd | Households | 2015 |
| Amber Assist Ltd | Administrative & support | 2025 |
| Ambient Care Limited | Health & social care | 2019 |
| Ambrose House Limited | Households | 2002 |
| Amfoh Productions Limited | Information & communication | 2023 |
| Anaro Ltd | Wholesale & retail | 2021 |
| Annings Plumbing & Heating Engineers Limited | Construction | 2011 |
| Apex House RTM Company Limited | Households | 2020 |
| APO Consult Ltd | Health & social care | 2015 |
| Aqua King Construction Ltd | Construction | 2001 |
| Archive for Space Ltd | Professional & scientific | 2021 |
| Arjay Technologies Limited | Wholesale & retail | 2025 |
| Arlington Seaton Ltd | Households | 2004 |
| Ashdown Caravan Park Ltd | Other services | 2015 |
| Ashton Bank Management Co Limited | Households | 2010 |
| Assured Psychological Services Limited | Health & social care | 2007 |
| Atlas Consultancy Services Ltd | Financial services | 2016 |
| Atmaq Limited | Extraterritorial | 2012 |
| Authenticity Network Ltd | Information & communication | 2021 |
| Avmt Buses Ltd | Transport & logistics | 2021 |
| AXE Cliff Golf Club Ltd | Arts & recreation | 2023 |
| AXE Valley Accountancy Ltd | Professional & scientific | 2020 |
| AXE Valley Home Care Limited | Health & social care | 2006 |
| AXE Valley Properties Limited | Real estate | 1989 |
| Axecliff Property Ltd | Real estate | 2024 |
| Axminster Specialist Panels Ltd | Manufacturing | 2014 |
| Axmouth Harbour Management Company Limited | Real estate | 1988 |
| Baikin Holding Ltd | Real estate | 2026 |
| Baker Health Consulting Limited | Health & social care | 2014 |
| Bankhill (Lymington) Management Company Limited | Households | 1984 |
| Barbell London Limited | Wholesale & retail | 2022 |
| Barrel of Beer Ltd | Hospitality | 2017 |
| Bartholomew Square Management Company Limited | Households | 2007 |
| Bath House Management Limited | Households | 2020 |
| Battisson Associates Limited | Administrative & support | 2014 |
| Beach Court Flats (Beer) Limited | Households | 1997 |