| 4SYTE ABL Limited | Financial services | 2018 |
| 4SYTE Bridging 365 Ltd | Financial services | 2024 |
| 4SYTE Construction Finance Limited | Financial services | 2017 |
| 4SYTE Finance Limited | Financial services | 2020 |
| 4SYTE Funding Ltd | Financial services | 2016 |
| 4SYTE Invoice Finance Ltd | Financial services | 2025 |
| 4SYTE Lending Ltd | Financial services | 2014 |
| 4SYTE Ltd | Financial services | 2016 |
| 4SYTE Receivables Finance Ltd | Financial services | 2020 |
| 4SYTE Secured Finance Ltd | Financial services | 2018 |
| 4SYTE Secured Lending Ltd | Financial services | 2024 |
| 4SYTE TM Ltd | Financial services | 2025 |
| 4SYTE Trade Ltd | Financial services | 2018 |
| 4WALL Entertainment UK Limited | Administrative & support | 2005 |
| 4WALL Holdings UK Limited | Financial services | 2019 |
| 5 London Road Management Company Limited | Households | 2023 |
| 5 Star Medics Ltd | Real estate | 2011 |
| 5 Star Team Cleaning Company Ltd | Administrative & support | 2017 |
| 5-8 Algers Close RTM Company Ltd | Households | 2015 |
| 50 Broad Street Ltd | Real estate | 2023 |
| 50PLUS Fitness Ltd | Extraterritorial | 2022 |
| 51-57 Wilshire Avenue RTM Company Limited | Households | 2016 |
| 52 Ventures Ltd | Administrative & support | 2026 |
| 53 Cotleigh Road Limited | Extraterritorial | 1995 |
| 53 Hill Road Management Company Limited | Real estate | 2008 |
| 54-60 Wilshire Avenue RTM Company Limited | Households | 2018 |
| 5Y ESG Ltd | Information & communication | 2022 |
| 5Y Technology Limited | Information & communication | 2020 |
| 6 Marketplace Limited | Real estate | 2026 |
| 62-62A Mendip Management Limited | Real estate | 2017 |
| 68 Belvedere Road Residents Association Ltd. | Households | 1997 |
| 6APART Limited | Real estate | 2019 |
| 7 - 13 Algers Road RTM Company Ltd | Households | 2015 |
| 7 Genetics Ltd | Professional & scientific | 2025 |
| 70 - 72 High Street Management Limited | Households | 2024 |
| 777 Services Limited | Wholesale & retail | 2015 |
| 78 Birnam Road (Islington) Limited | Extraterritorial | 2008 |
| 78 Englefield Road Limited | Real estate | 2000 |
| 79 Herne Hill Management Limited | Hospitality | 1991 |
| 7@OKS Limited | Construction | 2026 |
| 7SR Consulting Ltd | Information & communication | 2011 |
| 7T3 Technology Limited | Information & communication | 2020 |
| 8 CS Limited | Financial services | 2015 |
| 80S and 90S Retro Collector Ltd | Wholesale & retail | 2025 |
| 83 Waddon New Road Limited | Professional & scientific | 2017 |
| 855 Garratt Lane Limited | Households | 2022 |
| 859 Limited | Administrative & support | 2014 |
| 86A Broomfield Road RTM Company Ltd | Households | 2018 |
| 888 Botanics Limited | Wholesale & retail | 2026 |
| 95 High Street Chelmsford Ltd | Real estate | 2025 |
| 9TH Dimension Digital Ltd | Information & communication | 2025 |
| A & a Essex Properties Ltd | Real estate | 2020 |
| A & a Transport London Ltd | Transport & logistics | 2025 |
| A & D Colyer & Sons Limited | Manufacturing | 2009 |
| A & J Holdings Ltd | Financial services | 2026 |
| A & J Muir Limited | Transport & logistics | 2002 |
| A & M Gearbox Services Limited | Wholesale & retail | 1994 |
| A & S Executive Ltd | Information & communication | 2006 |
| A & V Khosla Ltd | Health & social care | 2011 |
| A & W Gowers Limited | Manufacturing | 2000 |
| A a Scaffolding & Roofing Ltd | Construction | 2022 |
| A Anderson Holdings Ltd | Financial services | 2018 |
| A B Hair & Beauty Limited | Other services | 2003 |
| A C Electrical Services Essex Limited | Construction | 2019 |
| A D H London Limited | Professional & scientific | 2014 |
| A D Staffing Solutions Ltd | Administrative & support | 2026 |
| A Dogs Life Essex Ltd | Other services | 2025 |
| A E J Management Limited | Real estate | 2004 |
| A Eames Electrical Ltd | Construction | 2020 |
| A F Nuts & Dried Fruits Limited | Wholesale & retail | 2021 |
| A F Suter & Company Limited | Administrative & support | 2001 |
| A Home for YOU Limited | Real estate | 2020 |
| A Home More Organised Ltd | Households | 2018 |
| A J Fenestration Limited | Construction | 2016 |
| A J Ostridge (Transport) Limited | Wholesale & retail | 1995 |
| A Jones Electrical Limited | Construction | 2016 |
| A P Dental Investments Limited | Financial services | 2021 |
| A Smart Sweep Limited | Administrative & support | 2026 |
| A Solutions Limited | Manufacturing | 2011 |
| A Surveying Limited | Professional & scientific | 2023 |
| A Touch of Glass Limited | Construction | 2016 |
| A V Property Investments Limited | Real estate | 2008 |
| A V Singh Limited | Health & social care | 2020 |
| A Walden Installations Limited | Construction | 2001 |
| A Wallace Services Ltd | Other services | 2019 |
| A Wilson Investments Limited | Financial services | 2009 |
| A&A Best Deals Ltd | Wholesale & retail | 2020 |
| A&E Hygiene and Therapy Ltd | Health & social care | 2019 |
| A&F Optimal Limited | Education | 2024 |
| A&H Prestige Ltd | Wholesale & retail | 2025 |
| A&M Catering Services Ltd | Hospitality | 2024 |
| A&M Health Professionals Limited | Health & social care | 2015 |
| A&M Properties Venture Ltd | Real estate | 2024 |
| A&M Tiling Porcelain Limited | Construction | 2022 |
| A&N Enterprise Limited | Real estate | 2020 |
| A&S Day Care Ltd | Health & social care | 2023 |
| A&S Home Services Limited | Other services | 2022 |
| A&S Linnett Ltd | Professional & scientific | 2025 |
| A&Y Wellness Ltd | Other services | 2026 |
| A-Box Limited | Manufacturing | 2008 |