| 52 Belsize Park Gardens Management Company Limited | Households | 1988 |
| 750 Management Ltd | Real estate | 2025 |
| 7B Plus Limited | Administrative & support | 2015 |
| 86 Engineering Limited | Professional & scientific | 2017 |
| A Facade Solutions Limited | Construction | 2013 |
| A1 Financial Services Online Limited | Professional & scientific | 1990 |
| Abavus Limited | Information & communication | 2007 |
| AGS Oilfield Services Limited | Wholesale & retail | 1998 |
| ALP Europa Speed Ltd | Transport & logistics | 2024 |
| Amavet Corporation Limited | Professional & scientific | 1998 |
| AMI Decorating Specialists Limited | Construction | 2015 |
| Anzs Limited | Real estate | 2004 |
| Applebee's Events Ltd | Hospitality | 2024 |
| Applied Wool Trading Co. Limited | Other services | 2019 |
| AR Epping Ltd | Construction | 2024 |
| Aruna & Sinha Ltd | Administrative & support | 2017 |
| ASF Investments Ltd | Real estate | 2024 |
| Atlas Shipping & Trading Limited | Administrative & support | 1997 |
| August Srnty Ltd | Wholesale & retail | 2023 |
| B a Palmer Limited | Construction | 2014 |
| B E Facade Limited | Construction | 2014 |
| Bassi Box Ltd | Arts & recreation | 2020 |
| Bassi Bros Ltd | Real estate | 2015 |
| Basson & Co. Limited | Wholesale & retail | 1970 |
| Belvue London Ltd | Real estate | 2026 |
| Benson & Phelps Property Company Limited | Real estate | 1965 |
| Berisford Court Residents Company Limited | Households | 1997 |
| Black Ditto Music Limited | Information & communication | 2011 |
| Black Ditto Recordings Limited | Information & communication | 2011 |
| Blackstone Protect Ltd | Financial services | 2019 |
| Blueberry Enterprises Limited | Education | 2011 |
| Blueberry Enterprises Trading Limited | Financial services | 2026 |
| Boxx Studio Limited | Other services | 2023 |
| Brayams Limited | Real estate | 2024 |
| Breakwell Healthcare Consultancy Limited | Professional & scientific | 2013 |
| Breakwell Randal I/O Limited | Professional & scientific | 2015 |
| Brightbay Media LLP | | 2016 |
| Business B Limited | Transport & logistics | 2009 |
| C.A.B Property Investments Ltd | Real estate | 2004 |
| Caton Associates Limited | Professional & scientific | 1993 |
| Caton FRY & Co. Limited | Professional & scientific | 2003 |
| Caxton and Co Private Limited | Professional & scientific | 2004 |
| CCA Lettings Ltd | Real estate | 2016 |
| Cedar Court RTM Company Limited | Households | 2020 |
| Ceko Engineering Services Limited | Professional & scientific | 2013 |
| CENTRE4 Security Limited | Administrative & support | 2016 |
| CLC Fixing Ltd | Construction | 2020 |
| CMO Films Limited | Information & communication | 2015 |
| Company Contracts and Services Limited | Professional & scientific | 1982 |
| Complaixpert Limited | Information & communication | 2024 |
| Contract Flooring Limited | Construction | 2015 |
| Corbin & Hassan (UK) LLP | | 2012 |
| Curry Leaf Barnet Ltd | Hospitality | 2023 |
| Daci Properties Ltd | Real estate | 2021 |
| Daiglen School Trust Limited(The) | Education | 1977 |
| DDI Automotive Car Transport Ltd | Wholesale & retail | 2024 |
| Dennis Golding Motor Engineers Limited | Wholesale & retail | 2013 |
| DK Administration Ltd | Real estate | 2014 |
| Dobrin Constructions Limited | Construction | 2019 |
| DR. Ramon Badalbit Limited | Health & social care | 2006 |
| Dreamscores Limited | Professional & scientific | 2011 |
| Drucegrove Limited | Manufacturing | 1983 |
| E4 Physio Ltd | Health & social care | 2021 |
| ED JON Ltd | Extraterritorial | 2014 |
| Elaine Taylor Associates Ltd | Professional & scientific | 2006 |
| Elaiya Ltd | Real estate | 2025 |
| Elba Partners Ltd | Real estate | 2022 |
| Elite Decorating Specialists Limited | Construction | 2014 |
| Enzo London Limited | Transport & logistics | 2005 |
| Etec Contract Services Limited | Construction | 2005 |
| Evermont Capital Ltd | Real estate | 2026 |
| Exam Prep Tuition Ltd | Education | 2020 |
| Facelift Decorating Limited | Other services | 2008 |
| Fairford Developments Limited | Construction | 2006 |
| Fashions & Novelties Limited | Construction | 1976 |
| Fenix Taxconsulting Limited | Professional & scientific | 2025 |
| Finance & Leasing (London) Limited | Financial services | 1981 |
| Finemist Limited | Households | 2006 |
| Florin 4 Lucy Limited | Other services | 2016 |
| Focus Furnishing (On-Line) Ltd | Wholesale & retail | 2007 |
| Forte Enterprises (South East) Limited | Real estate | 2011 |
| Frostbite UK Limited | Construction | 2003 |
| Future Holidays Limited | Administrative & support | 2009 |
| Future Roots Foundation Ltd | Education | 2025 |
| Ghara Stores Ltd | Hospitality | 2021 |
| Glamour Hair Salon Ltd | Other services | 2024 |
| Global Jalalabad Association | Health & social care | 2023 |
| Go Slow to Go Fast Limited | Education | 2021 |
| Goldberg (Aldersbrook) Ltd | Real estate | 2024 |
| Goodwill UK Limited | Administrative & support | 1992 |
| Gordon Mason Consultancy Limited | Real estate | 2018 |
| Green Mango Art Ltd | Manufacturing | 2024 |
| Grove Hill Property Developments Ltd | Real estate | 2023 |
| GRP Interior Limited | Construction | 2015 |
| H & K Property Management Limited | Other services | 2014 |
| Harston Property Limited | Real estate | 2017 |
| High Oaks Lodge Management Company Limited | Households | 1999 |
| Hill Valley Developments Limited | Real estate | 2000 |
| Hillguard Associates Limited | Professional & scientific | 1996 |
| HM Advice Ltd | Information & communication | 2022 |