| 45 Leabridge Road Limited | Households | 2006 |
| 452 Finchley Road LLP | | 2016 |
| 468 Caledonian Road RTM Company Limited | Households | 2008 |
| 47 Kiln Place Limited | Real estate | 2007 |
| 47-49 Daws Lane Limited | Households | 2011 |
| 49 Somerset Road RTM Company Ltd | Households | 2025 |
| 4DISTRO Ltd | Hospitality | 2017 |
| 4IIR Limited | Real estate | 2005 |
| 4M Investments Limited | Real estate | 1996 |
| 4SIGHT Readers Limited | Wholesale & retail | 2022 |
| 5 Belmont Park Road Limited | Real estate | 2020 |
| 5 Lancaster Drive Management Limited | Households | 2011 |
| 5 OUT of 5 Ltd | Hospitality | 2013 |
| 5 Palace Court Management Company Limited | Other services | 2017 |
| 5 Penta Court Limited | Financial services | 2018 |
| 5 Star (Edible) Products Limited | Wholesale & retail | 1983 |
| 5 Star Food Products Limited | Wholesale & retail | 2015 |
| 5 Stars Sport Ltd | Arts & recreation | 2021 |
| 5 Vincent Gardens Limited | Real estate | 2025 |
| 50 BG Limited | Real estate | 2024 |
| 51 Randolph Avenue Limited | Households | 1982 |
| 51 ST Dunstans House Limited | Real estate | 2014 |
| 51 West Heath Road Management Limited | Households | 2005 |
| 53 Oakfield Road Ltd | Households | 2023 |
| 53-57 Malden Road (Freehold) Limited | Households | 2024 |
| 54 Golders Green Ltd | Real estate | 2021 |
| 55 Richfield Road Ltd | Construction | 2026 |
| 56 Cambridge Ltd | Real estate | 2010 |
| 5ES Waste Services Ltd | Water & waste | 2018 |
| 63 ELM Park Road Management Limited | Households | 2000 |
| 63PARKWAY Limited | Hospitality | 2021 |
| 65 Sports Holdings Limited | Financial services | 2025 |
| 66 Aberdare Gardens Limited | Real estate | 2009 |
| 66 Redcliffe Gardens Management Company Limited | Households | 2023 |
| 69 WPR Limited | Wholesale & retail | 2023 |
| 7 Aspects Ltd | Information & communication | 2018 |
| 7-9 Randolph Crescent Limited | Households | 1982 |
| 71 Faringdon Road Management Company Limited | Households | 2021 |
| 75 Torrington Park (Maintenance Company) Limited | Real estate | 1968 |
| 77 Sports Management Limited | Arts & recreation | 2015 |
| 77 Vespan Road (SPV) Limited | Real estate | 2023 |
| 78 Dalling Road Ltd. | Real estate | 2019 |
| 79 Drayton Road Limited | Hospitality | 2004 |
| 7SINSPIERCINGPARLOUR Ltd | Other services | 2025 |
| 7SINSTATTOOPARLOUR Ltd | Arts & recreation | 2024 |
| 8 Loveridge RD NW6 Freehold Ltd | Households | 2025 |
| 8 Whites ROW Limited | Households | 2012 |
| 80 Investments Limited | Real estate | 2022 |
| 818 Touring Company LLP | | 2010 |
| 83 Coleridge Road Ltd | Real estate | 2025 |
| 88 Creations Ltd | Professional & scientific | 2022 |
| 88 Estate Agency Limited | Real estate | 2013 |
| 88 Investments Limited | Real estate | 2015 |
| 88 Properties Limited | Real estate | 2010 |
| 8TH Muse Ltd | Professional & scientific | 2019 |
| 9 Horseshoe Lane Management Company (2007) Limited | Households | 2007 |
| 94 Camlet Way LLP | | 2014 |
| 94 Croxdale Road Management Company Limited | Real estate | 2014 |
| 99 Asset Management Ltd | Real estate | 2018 |
| 99 General Trading Ltd | Wholesale & retail | 2025 |
| 99 Hendon Lane Management Limited | Households | 1992 |
| @Homeassistant Limited | Administrative & support | 2012 |
| A & a Medics Ltd | Professional & scientific | 2021 |
| A & G Bespoke Joinery Ltd | Manufacturing | 2024 |
| A & G Builds London Ltd | Construction | 2019 |
| A & H Langley Estates Ltd | Real estate | 2022 |
| A & S Contract Flooring Services Ltd | Construction | 2013 |
| A & S Residential Properties Limited | Real estate | 2025 |
| A & V Take Away Ltd | Hospitality | 2014 |
| A - Z Hand Car Wash Ltd | Wholesale & retail | 2022 |
| A Bolger Plastering Limited | Construction | 2014 |
| A C R Networks Limited | Information & communication | 2000 |
| A Cube Consultancy Limited | Health & social care | 2009 |
| A Cube Enterprise Ltd | Real estate | 2017 |
| A Duggal Limited | Health & social care | 2015 |
| A H Broadhurst Limited | Real estate | 2018 |
| A H SET Decorator Ltd | Arts & recreation | 2025 |
| A J Michael Ltd | Administrative & support | 2020 |
| A Life Choice Ltd | Wholesale & retail | 2022 |
| A S Excellence Solicitors Ltd | Professional & scientific | 2016 |
| A Taylor Engineering Services Ltd | Information & communication | 2008 |
| A Tyler Consulting Limited | Professional & scientific | 2014 |
| A W UK Contractors Ltd | Construction | 2013 |
| A&A Healthcare Group Ltd | Professional & scientific | 2020 |
| A&C Global Logistics Limited | Wholesale & retail | 2024 |
| A&E Entertainment Ltd | Hospitality | 2023 |
| A&J Dental Holdings Ltd | Financial services | 2025 |
| A&J Dental Ltd | Health & social care | 2025 |
| A&J Key Properties Ltd | Real estate | 2026 |
| A&N Building Ltd | Construction | 2025 |
| A&T EC1 Ltd | Financial services | 2021 |
| A&Z Consulting Ltd | Professional & scientific | 2023 |
| A-Class Carpentry Limited | Construction | 2009 |
| A-List-Auctions Ltd | Wholesale & retail | 2026 |
| A-Z Diesel Injection Services Ltd | Wholesale & retail | 2014 |
| A. Daniels Trading Ltd | Wholesale & retail | 2017 |
| A. Russell and Sons Ltd | Construction | 2015 |
| A.C. Productions Limited | Information & communication | 2007 |
| A.H.P. Promotions Limited | Information & communication | 1976 |
| A.H.P.Films Limited | Information & communication | 1970 |