| 32 Oakley Street Management Company Limited | Real estate | 1997 |
| 575 Finchley Road Limited | Construction | 1982 |
| Aimr Limited | Professional & scientific | 2010 |
| Albaram Limited | Professional & scientific | 2017 |
| Alexander Wade Limited | Administrative & support | 2013 |
| Alikar Holdings Ltd | Real estate | 2025 |
| Altair Publishers Limited | Professional & scientific | 1959 |
| AMC Consultants (UK) Limited | Administrative & support | 1998 |
| American Bridge UK Limited | Construction | 2017 |
| Appgrader Limited | Administrative & support | 2018 |
| AR & CM Co. Ltd | Professional & scientific | 2019 |
| Avatari Group Holdings Limited | Professional & scientific | 2026 |
| Avatari International Limited | Professional & scientific | 2026 |
| Avatari Sustainability LLP | | 2024 |
| Benevie Properties Limited | Real estate | 2016 |
| Bensar Properties Limited | Real estate | 1981 |
| Black Cactus Interiors Limited | Professional & scientific | 2018 |
| Blackfriars Radio Limited | Extraterritorial | 1960 |
| Blanchard Bros Limited | Construction | 1955 |
| Borneo Research Consultants Ltd | Construction | 1976 |
| Bubble Services Ltd | Transport & logistics | 2013 |
| Building Insight Limited | Professional & scientific | 2014 |
| Calabtree Limited | Professional & scientific | 2014 |
| Callback Media Limited | Real estate | 2001 |
| Cashglow Limited | Administrative & support | 1991 |
| City & Suburb Properties Limited | Real estate | 1997 |
| Clbb Limited | Real estate | 2022 |
| County Freehold & Leasehold Estates Limited | Construction | 1921 |
| D O H R Limited | Administrative & support | 2007 |
| Dbcn Limited | Financial services | 2016 |
| De-Havilland Holdings Ltd | Financial services | 2017 |
| Dental Property Club Limited | Health & social care | 2014 |
| Dero Investments Ltd | Real estate | 2018 |
| DESIGNS4YOU Limited | Construction | 2005 |
| DHH Client Account Ltd | Extraterritorial | 2015 |
| Dimatec Ltd. | Manufacturing | 1981 |
| Diplema 463 Limited | Information & communication | 2000 |
| District Global Group Ltd | Professional & scientific | 2021 |
| Djwm Limited | Financial services | 2007 |
| DR Emma Barnett Ltd | Health & social care | 2023 |
| DSV Estates Ltd | Real estate | 2024 |
| Dynamarine UK Limited | Professional & scientific | 2015 |
| Eatplanted Ltd | Manufacturing | 2021 |
| Eden Productions Ltd | Information & communication | 2010 |
| Ellhan Ltd | Professional & scientific | 2024 |
| ELM View (Homes) Limited | Real estate | 1986 |
| Essjaya Limited | Professional & scientific | 2010 |
| Euro GSA Ltd. | Transport & logistics | 2004 |
| FBC Media Limited | Professional & scientific | 2021 |
| Financial Care Limited | Professional & scientific | 1993 |
| Future IS Here Ltd | Information & communication | 2017 |
| Gravelfish Limited | Administrative & support | 2015 |
| Grayson + Co. Ltd. | Administrative & support | 2017 |
| Green Property Invest Limited | Real estate | 2018 |
| Harlington Chambers Limited | Real estate | 1958 |
| Heath Crawford Ltd | Administrative & support | 2007 |
| Heather Bowling Ltd | Professional & scientific | 2024 |
| Helackara Ltd | Professional & scientific | 2019 |
| Hildering Packaging UK Limited | Wholesale & retail | 2012 |
| Hmhb Investments Limited | Financial services | 2025 |
| Hubert Zandberg Interiors Ltd. | Professional & scientific | 2003 |
| Janet Martin Ltd | Real estate | 2023 |
| Japan Centre Limited | Construction | 1987 |
| Japan Travel Centre Limited | Real estate | 1987 |
| Jeremy James & Co Limited | Real estate | 1994 |
| Jetty Partners UK Limited | Administrative & support | 2026 |
| JT Building Surveyors Ltd | Professional & scientific | 2008 |
| Kajuraan Limited | Professional & scientific | 2010 |
| Knight & Co.(Engineers)Limited | Financial services | 1931 |
| Knightsbridge Wealth Limited | Administrative & support | 2012 |
| Ktlyst Limited | Professional & scientific | 2023 |
| Landbond Properties Limited | Real estate | 1988 |
| Lanes Medical Limited | Health & social care | 2019 |
| Legal Connexions Limited | Professional & scientific | 2016 |
| Lerch Bates Europe Ltd | Other services | 2010 |
| LES Perles Noir Productions Limited | Administrative & support | 1997 |
| Lifepoint Healthcare Ltd | Financial services | 2014 |
| Linkhall Limited | Real estate | 2005 |
| LS Lexington Ltd | Hospitality | 2012 |
| Lynne Radio Limited | Wholesale & retail | 1991 |
| MAC Container Co. Limited | Administrative & support | 1991 |
| Mainspring Holdings Limited | Financial services | 2000 |
| Mainspring Properties Limited | Construction | 1999 |
| Mainspring UK Limited | Professional & scientific | 1998 |
| Maison NAZ Limited | Arts & recreation | 2025 |
| Malk Limited | Professional & scientific | 2011 |
| Marc Steven Limited | Professional & scientific | 2016 |
| Market (United Kingdom) Ltd. | Wholesale & retail | 2000 |
| Maxwell Davies Limited | Professional & scientific | 2013 |
| Mercurius Synergy LLP | | 2010 |
| Mikari Investments Limited | Real estate | 2016 |
| Mikari Properties Limited | Construction | 2008 |
| Mmas Limited | Professional & scientific | 2003 |
| Molecular Discovery Limited | Information & communication | 1984 |
| Mowbray Carpets & Flooring Limited | Wholesale & retail | 2022 |
| Nelly & ME Ltd | Information & communication | 2025 |
| Nicole Levy PR Limited | Professional & scientific | 2011 |
| Northlight Dental Limited | Health & social care | 2023 |
| Nutrita Limited | Wholesale & retail | 2015 |
| Nyurlam Limited | Professional & scientific | 2025 |