| 00182221 Limited | | 1922 |
| 00580020 Limited | | 1957 |
| 015 Repair Solutions Limited | Wholesale & retail | 2023 |
| 09470396 Limited | Financial services | 2015 |
| 1 RS Holdings Limited | Real estate | 2017 |
| 10'S Recruitment Ltd | Information & communication | 2024 |
| 1203 Properties Limited | Real estate | 2024 |
| 128-140 Syon Lane Management Limited | Households | 1999 |
| 137A Windmill Road RTM Company Ltd | Households | 2017 |
| 14 Bali Ltd | Real estate | 2024 |
| 146 Whitestile Road Freehold Limited | Households | 2024 |
| 165 Boston Manor Road Limited | Households | 2015 |
| 194 Peel Green Road RTM Company Limited | Households | 2020 |
| 197 Pitshanger Lane Limited | Extraterritorial | 2026 |
| 1990 Group Holdings Ltd | Financial services | 2025 |
| 1M Homes Ltd | Real estate | 2024 |
| 1RMRR LLP | | 2021 |
| 22 G Construction Ltd | Construction | 2024 |
| 24 Tax and Consulting Ltd | Professional & scientific | 2019 |
| 247 Commerce Limited | Information & communication | 2011 |
| 247 Estates LLP | | 2013 |
| 28 Digital LLP | | 2023 |
| 29 Mafeking Avenue Freehold Limited | Real estate | 2020 |
| 29FORWARD Ltd | Information & communication | 2016 |
| 2B Building Services Ltd | Construction | 2021 |
| 3 Grove Road (Freehold) Limited | Households | 2025 |
| 35 Whitestile Road Brentford Limited | Households | 2016 |
| 36 Acton Lane Freehold Ltd | Households | 2024 |
| 365 Stays Limited | Construction | 2019 |
| 3PW UK Ltd | Wholesale & retail | 2024 |
| 3RDI Limited | Information & communication | 2017 |
| 4 Arms Transportation Limited | Transport & logistics | 2025 |
| 4 Canal Court Management Company Limited | Households | 2021 |
| 4 Gutter Cleaning Ltd | Construction | 2009 |
| 440 Associates Ltd | Administrative & support | 2016 |
| 440 Solutions Limited | Administrative & support | 2020 |
| 489 Holloway Road Management Limited | Households | 2022 |
| 4D Interior Design Ltd | Professional & scientific | 2025 |
| 4M Consulting Services Limited | Professional & scientific | 2018 |
| 50.01 Production & Communication Limited | Professional & scientific | 2014 |
| 53 Brook Road South Ltd | Households | 2014 |
| 6POINT626 Consultancy Services Ltd | Professional & scientific | 2023 |
| 7 Days Driving School Ltd | Education | 2015 |
| 717 Performance Limited | Wholesale & retail | 2021 |
| 73 Mafeking Avenue (Freehold) Company Limited | Households | 2015 |
| 79 Consulting Inc. UK Limited | Information & communication | 2019 |
| 7TH Heaven Trade Ltd | Wholesale & retail | 2020 |
| 9 Deal Ltd | Real estate | 2023 |
| 9786 Zaki Limited | Financial services | 2023 |
| A & J Patel Limited | Wholesale & retail | 2014 |
| A & S Convenience (Bristol) Limited | Wholesale & retail | 2019 |
| A Eldridge DM Limited | Administrative & support | 2018 |
| A J Worldwide Ltd | Financial services | 2023 |
| A K Cafe (Brentford) Limited | Hospitality | 2022 |
| A K4 Training Company Ltd | Education | 2023 |
| A Latif Ltd | Real estate | 2021 |
| A One Star Marketing Limited | Information & communication | 2014 |
| A P Dwellings Limited | Real estate | 2016 |
| A P Estates Limited | Real estate | 2016 |
| A Ponder Ltd | Arts & recreation | 2023 |
| A Rocha UK | Education | 2001 |
| A S R Property Developers Limited | Construction | 2016 |
| A Sangha Properties Limited | Real estate | 2025 |
| A T & T (GB) Limited | Wholesale & retail | 1999 |
| A T & T Employee Services LLP | | 2013 |
| A T & T GB Group Limited | Administrative & support | 2018 |
| A to B Lift Ltd | Construction | 2014 |
| A to Z Rail Ltd | Administrative & support | 2016 |
| A&A Digital Tech Ltd | Information & communication | 2016 |
| A.A.Ceilings Ltd | Transport & logistics | 2015 |
| A.N.A. Associates Ltd | Financial services | 2007 |
| A1D Europe Limited | Manufacturing | 2012 |
| A1D London Limited | Information & communication | 2012 |
| A2B Houses Ltd | Real estate | 2023 |
| AA and R Ltd | Households | 2025 |
| AA Events Ltd | Arts & recreation | 2015 |
| AA TAJ Limited | Professional & scientific | 2021 |
| Aari Inter Hire UK Ltd | Professional & scientific | 2025 |
| Aaryan's Food & Wine Ltd | Wholesale & retail | 2020 |
| Aavom Limited | Information & communication | 2026 |
| AB Business Consulting Ltd | Professional & scientific | 2015 |
| AB Servizes Ltd | Administrative & support | 2015 |
| AB1 London Ltd | Other services | 2013 |
| Abbax Limited | Administrative & support | 2016 |
| Abbyfx Limited | Wholesale & retail | 2015 |
| Abcd Building & Carpentry Limited | Construction | 2010 |
| Abcor Limited | Wholesale & retail | 2006 |
| Abdullah Mohammed Ltd | Extraterritorial | 2023 |
| Abicas Decorating Ltd | Construction | 2019 |
| Abilibbs Limited | Health & social care | 2024 |
| Ability Cambridge Eight Ltd | Hospitality | 2019 |
| Ability Cambridge Nine Ltd | Hospitality | 2019 |
| Ability Cambridge Seven Holdings Ltd | Hospitality | 2019 |
| Ability Cambridge Seven Ltd | Financial services | 2019 |
| Ability Capital Limited | Administrative & support | 2025 |
| Ability Charter LLP | | 2015 |
| Ability Charter London Limited | Financial services | 2015 |
| Ability Hotels (Aberdeen) Holdings Limited | Financial services | 2014 |
| Ability Hotels (Edinburgh) Holdings Limited | Financial services | 2014 |
| Ability Hotels (Edinburgh) Limited | Hospitality | 2014 |