| 15 and 15A Palace Gates Road Management Company Limited | Real estate | 2001 |
| 1A Woodside Park Road Property Management Limited | Real estate | 2020 |
| 7SKIES AI Ltd | Information & communication | 2024 |
| Abass Afghan Bakery Ltd | Wholesale & retail | 2017 |
| Absolutely Exquisite Limited | Health & social care | 2012 |
| Academic Imaging Ltd | Professional & scientific | 2023 |
| Adler Practice Consultancy Limited | Administrative & support | 2022 |
| Aesthetics House Limited | Other services | 2010 |
| Afghan Market UK Ltd | Wholesale & retail | 2026 |
| Ah-Kinit-Ah Limited | Real estate | 1998 |
| Albion Consulting Group Limited | Professional & scientific | 2020 |
| Alex Medical Green Limited | Health & social care | 2013 |
| Alex Usborne Limited | Information & communication | 2012 |
| Alexis Management Limited | Real estate | 2007 |
| Allanette Investments Limited | Real estate | 1964 |
| Allegro Executive Recruitment Limited | Administrative & support | 2004 |
| Allergy Healthcare London Ltd | Health & social care | 2025 |
| Allied Deals FZE | | 2000 |
| Almond Medical Limited | Public administration | 2022 |
| Anderson Solutions Ltd | Arts & recreation | 2000 |
| Annika Consultancy Limited | Professional & scientific | 2022 |
| Anvek Ltd | Hospitality | 2025 |
| Apption Labs Limited | Manufacturing | 2015 |
| Archstone Health Limited | Health & social care | 2025 |
| Argyle Health Isleworth Limited | Health & social care | 2017 |
| Argyle IT Consulting Limited | Information & communication | 2013 |
| Arjus Limited | Information & communication | 2010 |
| Art Apartments Ltd | Administrative & support | 2016 |
| ARW Styling Limited | Professional & scientific | 2024 |
| Askoldas Limited | Financial services | 2010 |
| Asmara Resources Limited | Health & social care | 2015 |
| Assets Management Group Ltd | Real estate | 2018 |
| Assurgo Ltd. | Information & communication | 2015 |
| Atlantic Business Solutions Ltd | Information & communication | 2014 |
| Aumrie Limited(The) | Administrative & support | 1954 |
| Avanti Medical Limited | Health & social care | 2019 |
| Awake Your Potential Ltd | Education | 2023 |
| AXC Health Limited | Health & social care | 2023 |
| B3WEBSITE Limited | Information & communication | 2014 |
| Balaton & Co Ltd. | Financial services | 1997 |
| Ballards Newman (Finchley) Limited | Professional & scientific | 2007 |
| Barnet Carers Centre | Health & social care | 1996 |
| BB Sutton Limited | Wholesale & retail | 2013 |
| Bear Cave Limited | Construction | 2017 |
| Befriend Your Boobs (BYB) Limited | Education | 2022 |
| Benjamin Pharmacy Limited | Wholesale & retail | 1995 |
| BH @ L1 LLP | | 2024 |
| Bhogal Management Services Ltd | Professional & scientific | 2012 |
| Blue Isle Interiors Limited | Professional & scientific | 2012 |
| Blue Isle Limited | Real estate | 2003 |
| Blue Sapphire Medical Limited | Health & social care | 2021 |
| Bluskyi Limited | Information & communication | 2025 |
| BMS Control Engineering Limited | Information & communication | 2007 |
| Boros Bromley Limited | Wholesale & retail | 2011 |
| Boros Centrale Limited | Wholesale & retail | 2004 |
| Boros Leathergoods Limited | Wholesale & retail | 1965 |
| Boros Limited | Wholesale & retail | 1992 |
| Braintree PCN Limited | Health & social care | 2024 |
| Bright OWL Publishing Limited | Information & communication | 2010 |
| Britannia School of Leadership and Management Ltd | Education | 2014 |
| Bromley Connect PCN Limited | Health & social care | 2023 |
| Broomwood Properties Limited | Professional & scientific | 2015 |
| Brownmint Limited | Real estate | 2014 |
| Build & Management Ltd | Construction | 2025 |
| Cambridge Centre for Energy Studies Limited | Administrative & support | 2010 |
| Camden Health Evolution Ltd | Health & social care | 2017 |
| Camden Health Partners Limited | Health & social care | 2008 |
| Capem Consultants Limited | Financial services | 2016 |
| Ccan Holdings Limited | Financial services | 2024 |
| CD1 Equipment Ltd | Wholesale & retail | 2025 |
| Chartleigh Apartments (Leigh-On-Sea) Limited | Real estate | 2001 |
| Chartleigh Apartments Limited | Real estate | 1976 |
| Chest & Lung LLP | | 2024 |
| Chinggis Khan International Limited | Other services | 2010 |
| Contellect Ltd | Information & communication | 2021 |
| CUTIEJY297 Limited | Wholesale & retail | 2017 |
| D & L Coxall Limited | Manufacturing | 2014 |
| D J Hampson Consulting Limited | Administrative & support | 2010 |
| D P Newbound Limited | Construction | 2014 |
| Dale Grove Flats Limited | Households | 1984 |
| Damur Trading Ltd | Wholesale & retail | 2023 |
| Dasken Ltd | Financial services | 2025 |
| Datawit Limited | Information & communication | 2016 |
| David Lister Limited | Financial services | 2011 |
| Deans Construction Services Ltd | Construction | 2023 |
| Deepdene (Torrington Park) Residents Association Limited | Households | 1998 |
| Derby House Limited | Real estate | 2015 |
| Dermal Harmony Ltd | Health & social care | 2024 |
| Derwent Occupational Health Limited | Health & social care | 2020 |
| Development Assets Limited | Financial services | 2022 |
| DG Medical Consultancy Limited | Professional & scientific | 2023 |
| Dhiraj Management Limited | Professional & scientific | 2010 |
| Dian Catering Ltd | Hospitality | 2025 |
| Dilmun Computers Limited | Information & communication | 2008 |
| Dinker Limited | Wholesale & retail | 2017 |
| Discovery Medical Limited | Health & social care | 2025 |
| DJT Medical Limited | Professional & scientific | 2022 |
| DR Charlotte Aesthetics Clinic Ltd | Health & social care | 2026 |
| DR Hesha DE Silva Limited | Professional & scientific | 2020 |
| DR Katy Morris Limited | Health & social care | 2022 |