| !Abridge Tax Ltd | Information & communication | 2024 |
| "Magnolia Court Residents" Company Limited | Households | 1989 |
| 027 Ltd | Education | 2022 |
| 1 Stop Training Solutions Ltd | Education | 2024 |
| 1 Woodger Road W12 Management Company Limited | Households | 2013 |
| 1-2-1 Taxaccountants Ltd | Extraterritorial | 2014 |
| 104 Salisbury Road Limited | Households | 1996 |
| 109 Interiors Limited | Professional & scientific | 2014 |
| 114 Station Road Ltd | Real estate | 2022 |
| 126 Great North Road LLP | | 2011 |
| 13 Turle Road Limited | Households | 2002 |
| 144 Wightman Road London N8 Limited | Households | 2004 |
| 15 Canning Crescent (Freeholders) Limited | Households | 2000 |
| 17276416 Limited | Information & communication | 2026 |
| 1922 Homes Limited | Real estate | 2024 |
| 1MKL Limited | Wholesale & retail | 2025 |
| 2 & 4 Cranborne Road Management Company Limited | Households | 2016 |
| 21 Wallis Close Limited | Real estate | 2025 |
| 22 Degree Ltd | Wholesale & retail | 2026 |
| 222TRADES Limited | Wholesale & retail | 2026 |
| 23 Packington Street London Limited | Extraterritorial | 2001 |
| 23-27 Hatton Wall Freehold Limited | Households | 2020 |
| 27 Park Road (Management Company) Limited | Real estate | 2008 |
| 270 Willesden Lane Limited | Households | 2004 |
| 2ONE29 Holdings PVT. Ltd | Hospitality | 2025 |
| 3 Counties Concrete Ltd | Manufacturing | 2020 |
| 30 & 32 Shanklin Road (Brighton) Freehold Limited | Households | 2023 |
| 33 Events Limited | Administrative & support | 2016 |
| 35/36 Fulham Park Gardens Limited | Households | 1992 |
| 365 Plumbing and Heating Herts Ltd | Construction | 2019 |
| 3B'S Digital Health Limited | Professional & scientific | 2021 |
| 3CLOUD Limited | Information & communication | 2019 |
| 4, 6 and 8 Carlton Hill Limited | Households | 2003 |
| 41ST Floor Limited | Real estate | 2022 |
| 42 and 44 Lancaster Road Management Company Limited | Households | 2014 |
| 42TETHERDOWNMANAGEMENT RTM Company Ltd | Administrative & support | 2021 |
| 44 Arundel Gardens W11 Freehold Limited | Extraterritorial | 1997 |
| 46 Ferme Park Road Management Limited | Professional & scientific | 1987 |
| 47 Blackstock Road RTM Company Limited | Households | 2024 |
| 482-486 Roman Road Management Ltd | Households | 2022 |
| 4GATE Limited | Construction | 2025 |
| 51 Long Lane Residents Association Limited | Households | 1996 |
| 52 Balfour Road Brighton (Freehold) Limited | Households | 2023 |
| 6 Alexandra Park Road Limited | Households | 1998 |
| 6 River Systems Ltd. | Information & communication | 2019 |
| 648 Group Ltd | Wholesale & retail | 2016 |
| 66 Woodside Developments Limited | Construction | 2018 |
| 668 Design & Engineering Ltd | Professional & scientific | 2018 |
| 69 - 71 Great North Road (Hatfield) Freehold Limited | Households | 2025 |
| 696 Holloway Road (Freehold) Ltd | Households | 2018 |
| 6IXX Sense Entertainment Ltd | Information & communication | 2024 |
| 777 GLS & VMB Limited | Wholesale & retail | 2025 |
| 778 High Road N12 Limited | Households | 2006 |
| 808 Warehouse Limited | Arts & recreation | 2025 |
| 8CURVE Limited | Professional & scientific | 2024 |
| 8T8 Group Limited | Construction | 2022 |
| 914AI Ltd | Other services | 2025 |
| 95 Highgate Road Management Limited | Households | 2004 |
| A & D Staffing Limited | Administrative & support | 2023 |
| A & P Trees Ltd | Administrative & support | 2024 |
| A C M Solutions LLP | | 2009 |
| A H Security Systems Limited | Administrative & support | 2022 |
| A Higher Vision CIC | Education | 2020 |
| A Kelly Consulting Limited | Professional & scientific | 2021 |
| A N George Groundworks Limited | Construction | 2017 |
| A S a Power Solutions Limited | Professional & scientific | 2012 |
| A S Teleconstruction Ltd | Information & communication | 2022 |
| A Star Fitness Limited | Arts & recreation | 2019 |
| A T Carpentry Ltd | Construction | 2010 |
| A&G Business Limited | Professional & scientific | 2020 |
| A&R M Properties Ltd | Real estate | 2023 |
| A.1.DAIRIES(FARMS)LIMITED(THE) | Agriculture & fishing | 1950 |
| A.G.A. Cleaning Ltd | Other services | 2017 |
| A.O.L. Transport Ltd | Transport & logistics | 2018 |
| A.R's Fruit 'N' VEG Limited | Wholesale & retail | 2022 |
| A1 Mechanical Maintenance Limited | Extraterritorial | 2010 |
| A4K Consultancy Limited | Information & communication | 2013 |
| AAM Consultants Limited | Professional & scientific | 2013 |
| Aarman Properties Ltd | Real estate | 2019 |
| Aarmish Enterprise Ltd | Wholesale & retail | 2020 |
| Aaroh Foods Ltd | Wholesale & retail | 2016 |
| Aaron Management Holdings Ltd | Administrative & support | 2026 |
| AB Interior Finishes Ltd | Construction | 2021 |
| Abacus Logistics (Europe) Limited | Transport & logistics | 2025 |
| Abacus Transport Services Limited | Transport & logistics | 2024 |
| Abbey Olivia Building Ltd | Construction | 2018 |
| ABD Electronic Ltd | Wholesale & retail | 2025 |
| Aberameta Ltd | Information & communication | 2012 |
| Abercorn Mews Management Limited | Households | 1997 |
| Abess & Co Limited | Professional & scientific | 2018 |
| ABN Trade Ltd | Wholesale & retail | 2024 |
| Abode Town & Country Properties Limited | Real estate | 2017 |
| Abode Town and Country (Baldock) Limited | Administrative & support | 2026 |
| Abound Services Limited | Real estate | 2019 |
| Above Football Ltd | Arts & recreation | 2024 |
| ABR Hosting Ltd | Information & communication | 2025 |
| ABS- Adrian's Best Services Ltd | Administrative & support | 2025 |
| Absolute Accountants Limited | Professional & scientific | 2014 |
| Absolute Care Plus Ltd | Health & social care | 2025 |
| Abzero Technologies Ltd | Information & communication | 2012 |