| 100% Top Car Limited | Wholesale & retail | 2015 |
| 117-119 Fonthill Properties Limited | Real estate | 2021 |
| 123-125 Fonthill Properties Limited | Real estate | 2021 |
| 1313 Trading Ltd | Information & communication | 2019 |
| 1ST Choice Brothers Ltd | Construction | 2014 |
| 27 Old Farm Avenue Management Limited | Households | 2011 |
| 317 Finchley Road Construction Co Limited | Construction | 2019 |
| 317 Finchley Road Ltd | Construction | 2014 |
| 566 Green Lanes Limited | Real estate | 2019 |
| A Little BIT of HR Limited | Administrative & support | 2018 |
| A. Zavos Properties Ltd | Real estate | 2021 |
| A.L.G. Properties Limited | Real estate | 1952 |
| Abbeyway Estates Limited | Real estate | 2013 |
| AC Accounting Services Ltd | Professional & scientific | 2019 |
| AE Management Ltd | Real estate | 2024 |
| AG Law Limited | Professional & scientific | 2018 |
| Albion-It Ltd | Information & communication | 2008 |
| Alevri ETC. Ltd | Wholesale & retail | 2019 |
| Alexander Gibson (Tyre Distributors) Limited | Real estate | 1976 |
| Alexanna Properties Limited | Real estate | 2025 |
| ALL for Racing Ltd | Administrative & support | 2015 |
| Alluring Ltd | Other services | 2017 |
| Alpha One Properties Ltd | Real estate | 2006 |
| AM & SLR Associates Ltd | Health & social care | 2016 |
| Angro Ltd | Wholesale & retail | 2016 |
| AP Evimeria LLP | | 2023 |
| AR Waterfalls Properties Limited | Real estate | 2021 |
| Aran Homes Limited | Health & social care | 1998 |
| Arcacia Consulting Ltd | Professional & scientific | 2005 |
| Arcadia Corporation Ltd | Real estate | 2014 |
| Arctic Aircon Limited | Construction | 2007 |
| Arising Tutoring CIC | Education | 2021 |
| ARTSBY2H Ltd | Wholesale & retail | 2026 |
| Ashmole Trust | Education | 2010 |
| Asian Halal Butchers Limited | Real estate | 2007 |
| Asian Meat Mart New Ltd | Wholesale & retail | 2013 |
| Atermon Limited | Professional & scientific | 2003 |
| Axis Alloys Ltd | Wholesale & retail | 2017 |
| AYB Properties Limited | Real estate | 2024 |
| B P Design Limited | Professional & scientific | 2001 |
| Bach Revealed Limited | Administrative & support | 2022 |
| Bailey Lets Limited | Financial services | 2017 |
| Barb Security Systems Limited | Administrative & support | 2002 |
| Bashir Joinery Limited | Manufacturing | 2014 |
| Be&Aldo Ltd | Other services | 2016 |
| Bella Michael Properties Limited | Real estate | 2025 |
| Berken Ltd | Wholesale & retail | 2022 |
| BIR Investments Group Limited | Financial services | 2017 |
| BJE Property Limited | Real estate | 2014 |
| Bodhi Mill Limited | Construction | 2021 |
| Bodhi ST Agnes Limited | Hospitality | 2020 |
| Bodyworks Gymnasium Limited | Arts & recreation | 2002 |
| Bookpoint Ltd | Administrative & support | 2025 |
| Bowken Associates Limited | Construction | 2019 |
| Brightchoice Records Limited | Administrative & support | 2001 |
| Brish Imaging Ltd | Manufacturing | 2025 |
| Buff Enterprises Ltd | Wholesale & retail | 2022 |
| C Pro 101 Limited | Real estate | 2016 |
| C V Publishers Limited | Information & communication | 2004 |
| C.J. Pilgrim Properties Limited | Real estate | 1959 |
| CAA Properties Ltd | Real estate | 2016 |
| Cabrera Investments Ltd | Construction | 2018 |
| Cannagenix Ltd | Agriculture & fishing | 2025 |
| Cantine Corner UK Ltd | Hospitality | 2024 |
| Capel Holdings Limited | Professional & scientific | 2016 |
| Captain AL Doha Trading UK Ltd | Construction | 2026 |
| Carillon Capital Ltd | Professional & scientific | 2016 |
| Ceku Limited | Information & communication | 2018 |
| CH & TN Investments Limited | Real estate | 2000 |
| Chandose Ltd | Real estate | 2014 |
| Chardley JAY Limited | Health & social care | 2020 |
| Charlotte Weston Interiors Limited | Administrative & support | 2004 |
| Chip & Co London Ltd | Other services | 2023 |
| Church Lane Investments Limited | Real estate | 2019 |
| CLANCY1 Construction Limited | Construction | 2019 |
| Clts Builders Limited | Construction | 2005 |
| Coast International Prime Portfolio Limited | Construction | 2014 |
| Codefield Limited | Real estate | 2003 |
| Comsynergy Limited | Real estate | 2008 |
| Conmac Estates Limited | Financial services | 1973 |
| Constratec Ltd | Professional & scientific | 2016 |
| Constructsum Ltd | Information & communication | 2023 |
| Cosmocinema Limited | Information & communication | 2007 |
| Courtview Consultants Limited | Health & social care | 2007 |
| CPA Accounting Services Limited | Professional & scientific | 1995 |
| CUP of Tea International Limited | Wholesale & retail | 2022 |
| Cure-It Solutions Limited | Wholesale & retail | 2024 |
| Cycle Hub Hatfield Ltd | Wholesale & retail | 2018 |
| D.C.E Developments Ltd | Real estate | 2021 |
| Dalo Living & Travel Limited | Health & social care | 2013 |
| Ddoeth Ltd | Professional & scientific | 2018 |
| Deangrove Associates Limited | Real estate | 2012 |
| Demi Property Portfolio Limited | Real estate | 2021 |
| DES Pardes Weekly Limited | Professional & scientific | 2004 |
| Designer Logo Matting Company Limited | Construction | 2005 |
| Digital Technology and Economy Research (London) Limited | Information & communication | 2023 |
| Diplomatic Protective Services Ltd | Administrative & support | 2023 |
| Direct Autos (London) Limited | Wholesale & retail | 2016 |
| Donegal Drylining Limited | Construction | 2021 |
| Dotcircle Ltd | Information & communication | 2023 |