| 1-9 Stafford Cripps House Freehold Limited | Financial services | 2020 |
| 113 HS Freehold Limited | Households | 2013 |
| 142 Ancona Road RTM Company Ltd | Households | 2018 |
| 1ST Active Property Services Limited | Construction | 1998 |
| 1ST Drainclear Limited | Construction | 1995 |
| 2 Chigwell Road (South Woodford) RTM Company Limited | Real estate | 2004 |
| 2 Shepherds Green Limited | Households | 2013 |
| 2020I Ltd | Information & communication | 2024 |
| 29 Old Hill Limited | Professional & scientific | 1996 |
| 3 Olden Lane Limited | Construction | 2019 |
| 360 Cybersec Ltd | Information & communication | 2016 |
| 360 ICT Limited | Information & communication | 2023 |
| 360 Locations Limited | Public administration | 2009 |
| 3SI Consultants Ltd | Professional & scientific | 2023 |
| 4 Northumberland Terrace Limited | Professional & scientific | 1997 |
| 4-7 Garrard Close Limited | Households | 2000 |
| 41 Chantrey Road Freehold Limited | Households | 2019 |
| 46 Charleville Road Management Limited | Administrative & support | 2013 |
| 4TEES Signature Place Limited | Households | 2024 |
| 50 East Street Management Company Ltd | Households | 2019 |
| 528 Music Ltd | Arts & recreation | 2023 |
| 77 Richmond Avenue Limited | Households | 2004 |
| 83 Victoria Road Limited | Households | 2026 |
| 92 Lewisham Way Limited | Administrative & support | 1999 |
| A & N Electrical Solutions Limited | Construction | 2024 |
| A & N Mechanical Ltd | Construction | 2022 |
| A D Glassworks Limited | Construction | 2015 |
| A Tribe of Stars Ltd | Wholesale & retail | 2021 |
| A Viral Marketing Ltd | Professional & scientific | 2026 |
| A&D Assets Ltd | Construction | 2026 |
| A&M Accommodation Services Limited | Real estate | 2008 |
| A&M Property and Construction Ltd | Construction | 2017 |
| A.R.M. Mechanical Services Ltd | Construction | 2009 |
| A.T Commercials Co., Ltd | Manufacturing | 2017 |
| A1 UOK Ltd | Professional & scientific | 2022 |
| A2 Plastering and Decorating Limited | Construction | 2021 |
| AAC Investment Properties Limited | Real estate | 2022 |
| Aartos Ltd | Wholesale & retail | 2022 |
| AAT Systems Ltd | Information & communication | 2004 |
| Abbondanza Food Co Ltd | Manufacturing | 2026 |
| ABC Ductwork Limited | Manufacturing | 2017 |
| Absolute Intelligence Enterprises Limited | Administrative & support | 2025 |
| Absolute Intelligence UK Limited | Administrative & support | 2025 |
| Acanthis Construction Ltd | Construction | 2015 |
| Access Cars London Limited | Transport & logistics | 2012 |
| Access Motor Cars Ltd | Wholesale & retail | 2020 |
| Accompagna Limited | Financial services | 2013 |
| Acconium Services Ltd | Transport & logistics | 2015 |
| Account on Collins Ltd | Professional & scientific | 2017 |
| Account This Limited | Professional & scientific | 2025 |
| Ace Co-Living Limited | Real estate | 2021 |
| Ace Financial Holdings Ltd | Real estate | 2019 |
| Ace Financial Management Ltd | Administrative & support | 2016 |
| Ace Living Solutions Ltd | Real estate | 2019 |
| Achillea Beauty Ltd | Wholesale & retail | 2024 |
| Acorn Administration and Support Services Ltd | Administrative & support | 2023 |
| Acorn Construction and Refurbishment Limited | Real estate | 2015 |
| Acorn Construction Holdings Limited | Professional & scientific | 2012 |
| Acorn Technology Consultants Ltd | Other services | 2013 |
| Acquistare Consultancy Limited | Professional & scientific | 2016 |
| Activ Sustainability Ltd | Professional & scientific | 2022 |
| Active Scaffolding Limited | Construction | 2006 |
| Actual Roofing Solutions Ltd | Construction | 2011 |
| ADA & Albert Trading Limited | Wholesale & retail | 2020 |
| Adam Chadwick Services Ltd | Other services | 2022 |
| Adamabel Ltd | Real estate | 2009 |
| Adbooks Publishing Ltd | Information & communication | 2010 |
| Addergoole Investments Limited | Financial services | 2017 |
| ADH Associates Limited | Professional & scientific | 1999 |
| Advance Security Alarms Limited | Administrative & support | 2012 |
| Advastas Limited | Professional & scientific | 2023 |
| Adven Management Ltd | Professional & scientific | 2023 |
| Advik Consulting Limited | Professional & scientific | 2023 |
| Aero Coins Limited | Wholesale & retail | 2025 |
| AES Refurbishments Ltd. | Construction | 2014 |
| AFC Croydon Athletic 2023 Ltd | Arts & recreation | 2023 |
| AFE Contracts & Carpenters Limited | Manufacturing | 2010 |
| AFE Groundworks Limited | Construction | 2018 |
| Affabilis Limited | Professional & scientific | 2006 |
| Affinity Connections Limited | Administrative & support | 1996 |
| Affordable Sports and Classic Car Hire Limited | Administrative & support | 2023 |
| AGR Lifting Services Ltd | Construction | 2024 |
| AHZ Property Management Co. Ltd | Real estate | 2019 |
| AI Platorm Technology Solutions Limited | Information & communication | 2026 |
| Ai-Js Analytics Ltd | Professional & scientific | 2024 |
| AIM Online Media Ltd | Professional & scientific | 2022 |
| AJ Advisory Limited | Professional & scientific | 2013 |
| AJ Douglas Artwork Limited | Arts & recreation | 2023 |
| Ajhp Associates LLP | | 2022 |
| AKG Media Services Ltd | Transport & logistics | 2020 |
| AKS Accountancy Limited | Professional & scientific | 2017 |
| AKS Electrical (Southern) Ltd | Construction | 2023 |
| Albl Trustee Limited | Financial services | 2026 |
| Alco (London) Limited | Wholesale & retail | 2022 |
| Alco Trading Limited | Wholesale & retail | 2022 |
| Alcorp Limited | Professional & scientific | 2016 |
| Aldrington Investments Limited | Professional & scientific | 1996 |
| Aleti Property Improvements Limited | Administrative & support | 2017 |
| Alexander INS Brokers Limited | Financial services | 2025 |
| Alfanumerics Ltd | Real estate | 2021 |