| &IS Gents Hair Ltd | Other services | 2021 |
| 000AWS Mart Ltd | Wholesale & retail | 2023 |
| 00215235 Limited | Professional & scientific | 1926 |
| 01538309 Limited | Manufacturing | 1981 |
| 1 Drop Production Limited | Administrative & support | 2017 |
| 1 Stop Autocentre (UK) Ltd | Wholesale & retail | 2012 |
| 1-2-1 Talking Therapies Ltd | Other services | 2016 |
| 10 Associates Limited | Professional & scientific | 2004 |
| 1000 & 1 Solutions Ltd | Wholesale & retail | 2022 |
| 1017MARKETING Ltd. | Professional & scientific | 2014 |
| 11.11 Angel Ltd | Health & social care | 2022 |
| 11.11 Angel Property Wings Ltd | Construction | 2023 |
| 1126 Publishing Ltd | Information & communication | 2025 |
| 1225 Label Group/ 1225 Entertainment Ltd | Information & communication | 2019 |
| 12605412 Ltd | Health & social care | 2020 |
| 132 HVO Limited | Health & social care | 2019 |
| 145 Wakefield RD Ltd | Hospitality | 2021 |
| 147 Property Lettings Limited | Real estate | 2024 |
| 15 35 Melting Point Management Company Limited | Households | 2002 |
| 15075082 Ltd | Manufacturing | 2023 |
| 1569 Limited | Information & communication | 2014 |
| 18MROAD Ltd | Hospitality | 2021 |
| 1909014 Limited | Professional & scientific | 1985 |
| 1910 Brighouse Ltd | Hospitality | 2025 |
| 1928 Investments LLP | | 2021 |
| 1ARK Group Limited | Hospitality | 2016 |
| 1K Enterprises Ltd | Professional & scientific | 2012 |
| 1ST Assistant Director UK Ltd | Other services | 2013 |
| 1ST Star Group Ltd | Other services | 2022 |
| 1ST Steps Pre-School Limited | Education | 2013 |
| 2 by 2 Websites Ltd | Information & communication | 2021 |
| 2 of a Kind Cleaning Company Ltd | Administrative & support | 2025 |
| 20 Constitution Hill Limited | Real estate | 2014 |
| 2020PROTOUR Limited | Arts & recreation | 2019 |
| 2020TOURS Limited | Arts & recreation | 2023 |
| 2024 Support Ltd | Information & communication | 2024 |
| 20:20 Financial Coaching Ltd | Professional & scientific | 2024 |
| 20:20 Financial Planning Ltd | Financial services | 2023 |
| 212 Ltd | Wholesale & retail | 2024 |
| 22-28 Reinwood Road Limited | Households | 2009 |
| 24 HRS HC Limited | Administrative & support | 2020 |
| 24.ONE Limited | Wholesale & retail | 2011 |
| 24/7 PUB Management Ltd | Hospitality | 2022 |
| 24/7 Waste Disposal Solutions Ltd | Water & waste | 2026 |
| 24/7 Wastewater Management Ltd | Water & waste | 2022 |
| 247 Home Furnishings Limited | Wholesale & retail | 2000 |
| 24HRACTIVE Ltd | Wholesale & retail | 2023 |
| 27 Britannia Road Limited | Real estate | 2024 |
| 27 Design Limited | Professional & scientific | 2020 |
| 27 Hammersmith Grove Holdco Limited | Financial services | 2023 |
| 27 Hammersmith Grove Limited | Real estate | 2023 |
| 2AM Techsystems Ltd | Information & communication | 2025 |
| 2CEEGOLD and Accessories Ltd | Wholesale & retail | 2024 |
| 2DX Limited | Administrative & support | 2016 |
| 2GUD Nutrition Limited | Wholesale & retail | 2026 |
| 2H Architecture Limited | Professional & scientific | 2011 |
| 2JT Groundworks Ltd | Construction | 2016 |
| 2M Press Limited | Manufacturing | 2007 |
| 2S Cut’S Mobile Barbershop Ltd | Other services | 2025 |
| 2SMD Ltd | Health & social care | 2022 |
| 3 Legal Ltd | Professional & scientific | 2019 |
| 3 Stanhope Gate (Freehold) Limited | Real estate | 2006 |
| 30 Circles Ltd | Extraterritorial | 2009 |
| 313M Technology Limited | Professional & scientific | 2014 |
| 332GB PVT Ltd | Wholesale & retail | 2024 |
| 360 Business Support Hub Ltd | Wholesale & retail | 2025 |
| 360 Estates (PK) Ltd | Real estate | 2022 |
| 360 Estates GB Ltd | Real estate | 2022 |
| 360 Estates Ltd | Real estate | 2020 |
| 36251 Limited | Arts & recreation | 2023 |
| 365 Group Holdings Ltd | Professional & scientific | 2019 |
| 365 Group Ltd | Education | 2015 |
| 365 LMS Limited | Transport & logistics | 2015 |
| 365 Retail Ltd | Hospitality | 2023 |
| 365 Vend Ltd | Wholesale & retail | 2020 |
| 3BTECH Ltd | Information & communication | 2025 |
| 3D Strategy Limited | Administrative & support | 2010 |
| 3G Healthcare Limited | Health & social care | 2015 |
| 3M Consultancy Group Ltd | Professional & scientific | 2022 |
| 3M Consultancy Ltd | Real estate | 2019 |
| 3M(UK) Ltd | Real estate | 2025 |
| 3PD Limited | Manufacturing | 2026 |
| 3ZM Consultancy Ltd | Professional & scientific | 2024 |
| 4 White Walls Limited | Arts & recreation | 2012 |
| 4091 Limited | Information & communication | 2014 |
| 42 HQ Limited | Financial services | 2021 |
| 47 Skin Ltd | Manufacturing | 2018 |
| 48 Conduit Developments Limited | Construction | 2018 |
| 4AR Holdings Ltd | Real estate | 2020 |
| 4EY Holdings Ltd | Real estate | 2023 |
| 4FRONT Architects Ltd | Professional & scientific | 2016 |
| 4K5H4T Ltd | Health & social care | 2023 |
| 4MA Design Collective Limited | Professional & scientific | 2019 |
| 4MUMEEZ.COM Limited | Information & communication | 2010 |
| 4T Studios Limited | Wholesale & retail | 2023 |
| 4TEC Haulage Ltd | Construction | 2023 |
| 4TS Global Technology Limited | Wholesale & retail | 2025 |
| 5 8 6 Design Bureau Ltd | Professional & scientific | 2022 |
| 5 Chicken Bar Ltd | Hospitality | 2011 |
| 5 Rivers Properties (U.K) Ltd | Hospitality | 2019 |