| &Poca Ltd | Wholesale & retail | 2020 |
| 10/10 Electrical Limited | Construction | 2018 |
| 11 Cleve Road Freehold Limited | Households | 2009 |
| 121 Detailing Ltd | Wholesale & retail | 2023 |
| 14 Promotions (Trade) Limited | Manufacturing | 2011 |
| 14ROUTES Limited | Wholesale & retail | 2024 |
| 15804116 Limited | Professional & scientific | 2024 |
| 17 North HR Solutions Ltd | Administrative & support | 2024 |
| 17 Westfield Investment Ltd | Real estate | 2025 |
| 1ST Choice Property Development Ltd | Construction | 2019 |
| 1ST National Security Ltd | Administrative & support | 2019 |
| 1ST Stop Auto Care Limited | Wholesale & retail | 2017 |
| 2-TWENTY Retail Limited | Wholesale & retail | 2023 |
| 2127 Ltd | Other services | 2025 |
| 23 Insights Ltd | Other services | 2024 |
| 24/7 Recovery Patrick 7.5T Ltd | Transport & logistics | 2026 |
| 271 Investments Limited | Real estate | 2019 |
| 28 London Investments Ltd | Financial services | 2026 |
| 28E Arctec Ltd | Construction | 2019 |
| 2A Coffee Ltd | Hospitality | 2022 |
| 3 a Coffee Ltd | Hospitality | 2016 |
| 3 Birdbush Avenue Block Management Limited | Households | 2008 |
| 3 Crystals Limited | Other services | 2008 |
| 3 Luanet Limited | Hospitality | 2023 |
| 3T Solutions Ltd | Information & communication | 2024 |
| 4EVERWUD Limited | Wholesale & retail | 2026 |
| 555 Amanda UK Ltd | Wholesale & retail | 2025 |
| 5KR Ltd | Real estate | 2019 |
| 6 Mildmay Grove Limited | Households | 1989 |
| 61 Dryden Road Limited | Real estate | 2026 |
| 63 Hertz Limited | Professional & scientific | 2012 |
| 69-75 Westbury Lane Estates Limited | Extraterritorial | 1993 |
| 7TH Century Media Group Ltd | Wholesale & retail | 2016 |
| 8 Palmeira Limited | Real estate | 2026 |
| 8 Windmill Drive Management Company Limited | Households | 2011 |
| 87/89 Harwood Road Management Limited | Households | 2000 |
| 9 34 Limited | Administrative & support | 2025 |
| 968 Service Ltd | Wholesale & retail | 2024 |
| A & E Projects Limited | Administrative & support | 2023 |
| A & R Drainage Limited | Households | 2021 |
| A C Musonda Limited | Health & social care | 2023 |
| A Different Ball Game Limited | Manufacturing | 2017 |
| A E Property Maintenance Limited | Construction | 2016 |
| A Hoxha Construction Ltd | Construction | 2023 |
| A J M Decorating Services Limited | Construction | 2004 |
| A J Rolfe Limited | Professional & scientific | 2021 |
| A New Vision of Britain CIC | Education | 2025 |
| A O Safety Ltd | Professional & scientific | 2025 |
| A P Caudle & Sons Ltd | Construction | 2016 |
| A Star Ballerz Coaching Ltd | Arts & recreation | 2020 |
| A Thousand Words Visuals Ltd | Professional & scientific | 2023 |
| A to Z (Glass & Glazing) Company Limited | Construction | 2002 |
| A. Lalji Ltd | Professional & scientific | 2016 |
| A.P.R.G Limited | Hospitality | 2026 |
| A.W. Louis & Company Limited | Administrative & support | 2013 |
| A1 Agriculture Ltd | Agriculture & fishing | 2025 |
| A1 Car and Commercials Ltd | Wholesale & retail | 2017 |
| A1 Standard Glass Limited | Construction | 2003 |
| A10 Roofing Services Limited | Construction | 2020 |
| A10 Scaffolding Limited | Construction | 2015 |
| A4U Bookkeeping & Accounts Ltd | Professional & scientific | 2021 |
| AA Stones Limited | Manufacturing | 2020 |
| AAP Investment Assets Limited | Real estate | 2021 |
| Aaron Donkor Holdings Ltd | Real estate | 2025 |
| Aaron Lotey Ltd | Professional & scientific | 2019 |
| Aaronmeraa Limited | Real estate | 2023 |
| AB Accountancy Care Ltd | Professional & scientific | 2025 |
| AB Johnsons Ventures Ltd | Wholesale & retail | 2023 |
| AB London Scaffolding Ltd | Construction | 2021 |
| Abbey Care Solutions Limited | Health & social care | 2011 |
| Abbey Gardens Services Ltd | Administrative & support | 2026 |
| Abbey Local Stores Limited | Wholesale & retail | 2023 |
| Abbey Mechanical & Electrical Ltd | Extraterritorial | 2016 |
| Abbey Metal Merchants Limited | Wholesale & retail | 2019 |
| Abbey Meze Bar & Kitchen Limited | Hospitality | 2021 |
| Abbey Nails Ltd | Other services | 2024 |
| Abbey Tax and Accountancy Limited | Professional & scientific | 2009 |
| Abbey View Produce Limited | Agriculture & fishing | 1972 |
| Abbey View Producer Organisation Limited | Wholesale & retail | 1998 |
| Abbey Wines Co Ltd | Wholesale & retail | 2012 |
| Abbey-Haven Limited | Health & social care | 2024 |
| Abbeyfield Waltham Abbey Society Limited(The) | Health & social care | 1961 |
| Abbotts Chase Management Company Limited | Households | 2025 |
| Abcj Properties Ltd | Real estate | 2019 |
| Aberushi Ltd | Transport & logistics | 2024 |
| Abotts Kitchen Limited | Hospitality | 2026 |
| Abotts Wood Ltd | Hospitality | 2020 |
| Abrd Consultancy Ltd | Professional & scientific | 2025 |
| Absolute Accountancy Software Solutions (Aass) Limited | Information & communication | 2022 |
| Absolute Financial Software Solutions (Afss) Limited | Information & communication | 2008 |
| Abvk Limited | Professional & scientific | 2016 |
| Acar 68 Meats Ltd | Wholesale & retail | 2009 |
| Acar Supermarket Limited | Wholesale & retail | 2015 |
| Accaworld Ltd | Professional & scientific | 2018 |
| Accurate Sales Limited | Wholesale & retail | 2017 |
| Ace Construction Ltd | Construction | 2014 |
| Ace Events and Hospitality Limited | Arts & recreation | 2014 |
| Ace Fire (Solutions) Ltd | Construction | 2022 |
| Ace Fire Doors Ltd | Construction | 2022 |
| Ace Green Housing Ltd | Real estate | 2020 |