| 67 Meadfield Road Management Ltd | Households | 2002 |
| 821MEDIA Ltd | Administrative & support | 2016 |
| A Class Clean Ltd | Administrative & support | 2022 |
| A J Hopley Limited | Professional & scientific | 2023 |
| AA Digital AI Solutions Limited | Information & communication | 2025 |
| Action Global Logistics Limited | Transport & logistics | 1997 |
| Advanced Auto Technik Limited | Wholesale & retail | 2017 |
| Aesthetix Achieved Ltd | Wholesale & retail | 2025 |
| AL Jannah C.I.C. | Education | 2013 |
| Amdinfo Ltd | Information & communication | 2023 |
| Apex Plumbing Group Ltd | Wholesale & retail | 2024 |
| Aqua Uniforms (Langley) Ltd | Wholesale & retail | 2015 |
| Art Installation Services Limited | Other services | 2008 |
| AS Privacy & AI Solutions Ltd | Manufacturing | 2025 |
| AST Foods Limited | Hospitality | 2025 |
| Astha Solutions Ltd | Information & communication | 2022 |
| Avida Studios Limited | Arts & recreation | 2016 |
| Avtar Property Developments Limited | Real estate | 2024 |
| Awayday Music Publishers Limited | Information & communication | 2013 |
| AXG Contracts Ltd | Construction | 2019 |
| B1 Investments Ltd | Households | 2020 |
| Bajwa Consultancy Ltd | Information & communication | 2017 |
| Basra Ltd | Professional & scientific | 2014 |
| Beyond Body Clinic Ltd | Other services | 2017 |
| BIN Saud Holdings Ltd | Wholesale & retail | 2021 |
| Bkss Properties Limited | Real estate | 2022 |
| Blair Contracts Ltd | Construction | 2008 |
| Blue Court Catering Services Limited | | 1984 |
| Bodders Estates Ltd | Real estate | 2020 |
| Brilliant Group Holdings Limited | Financial services | 2026 |
| Brilliant Restaurant London Limited | Hospitality | 2019 |
| Bronzecare Company Ltd | Health & social care | 2016 |
| Build Together Ltd | Real estate | 2023 |
| CA Detailing Ltd | Wholesale & retail | 2021 |
| Carbon Accents Ltd | Wholesale & retail | 2019 |
| Changebeat Group Limited | Extraterritorial | 2017 |
| Chelmer Valley Brick Co. Limited | Wholesale & retail | 2002 |
| Clockwork Coffee Limited | Manufacturing | 2001 |
| CM Donnelly Limited | Health & social care | 2022 |
| Codetermine Ltd | Information & communication | 2025 |
| Connect With US Ltd | Education | 2025 |
| Crowley Environmental Services (UK) Limited | Water & waste | 2024 |
| Data Globe Limited | Information & communication | 2025 |
| Datek Employee Services LLP | | 2011 |
| Datek Solutions Holdings Limited | Financial services | 2011 |
| Datek Solutions Limited | Wholesale & retail | 1998 |
| Dental Ledger Limited | Extraterritorial | 2002 |
| Ditton Associates Limited | Professional & scientific | 2016 |
| Divine RSP Group Ltd | Information & communication | 2026 |
| DR RKB Limited | Health & social care | 2023 |
| Dream House Construction Partners Ltd | Construction | 2024 |
| DS Packaging Ltd | Wholesale & retail | 2012 |
| Duflon Europe Limited | Manufacturing | 1991 |
| Dugg Energy Limited | Other services | 2016 |
| E-Careers Limited | Information & communication | 2002 |
| Efficient Results Consulting Ltd | Professional & scientific | 2015 |
| Elevate Advisors Ltd | Professional & scientific | 2023 |
| Elevateu Group Ltd | Professional & scientific | 2024 |
| Elite Gourmet Food Ltd | Wholesale & retail | 2024 |
| Emerald Supported Living Group Ltd | Health & social care | 2025 |
| Encore Property Holdings Ltd | Real estate | 2021 |
| Evita UK Limited | Construction | 2009 |
| Execkit.Com Limited | Extraterritorial | 2000 |
| EX_2 Management Consulting Limited | Professional & scientific | 2005 |
| Feature Caterers Ltd | Wholesale & retail | 2018 |
| Five Star Nails Langley Ltd | Other services | 2023 |
| Five Ways Production Ltd | Information & communication | 2017 |
| Flutefix Limited | Wholesale & retail | 1985 |
| Free Boilers Grants Limited | Information & communication | 2024 |
| FTL Outsourcing Ltd | Information & communication | 2018 |
| G & T (UK) Limited | Administrative & support | 2013 |
| G Carri Ltd | Administrative & support | 2015 |
| Galileo Portugal Limited | Administrative & support | 1995 |
| Gemini Moon Dominions Limited | Construction | 2022 |
| Giovanis Limited | Hospitality | 2009 |
| GN Audio UK Limited | Manufacturing | 1988 |
| Greener World Recycling Ltd | Water & waste | 2012 |
| Greenmag Ltd | Construction | 2026 |
| Gudiwear Ltd | Other services | 2019 |
| Gurudev Solutions Ltd | Other services | 2024 |
| H K Trading Services Limited | Wholesale & retail | 2017 |
| Habitus Materials Group Limited | Wholesale & retail | 2005 |
| Heathrow Roofing and Building Services Ltd | Other services | 2017 |
| Heritage Renovating Services Limited | Construction | 2023 |
| Hertfordshire Trees Ltd | Agriculture & fishing | 2025 |
| Hillingdon Flooring Company Limited | Construction | 1976 |
| HMJ Food & Wine Limited | Wholesale & retail | 2010 |
| HOI Boys Ltd | Hospitality | 2022 |
| HOM Investments Ltd | Construction | 2016 |
| Honey Zaheer Consultancy Limited | Administrative & support | 2019 |
| HSW Property Limited | Real estate | 2023 |
| Hundal Plant Limited | Administrative & support | 2021 |
| I.M.R.D. Limited | | 1990 |
| Ilogic Solutions Ltd | Information & communication | 2010 |
| Infinity Groundworkers Ltd | Construction | 2025 |
| Intec Homes Ltd | Construction | 2012 |
| Isha Furniture Ltd | Other services | 2023 |
| J H Auto Paint Ltd | Wholesale & retail | 2023 |
| J Phull Limited | Administrative & support | 2023 |
| Jala Concepts Ltd | Real estate | 2018 |