| A & a Jafari Ltd | Real estate | 2023 |
| A & a Lucky Company Ltd | Administrative & support | 2016 |
| A & a Nails 321 Ltd | Other services | 2020 |
| A & a Navarro Properties Ltd | Real estate | 2011 |
| A & a Pharma Ltd | Professional & scientific | 2021 |
| A & a Properties (Valetta) Limited | Real estate | 2016 |
| A & a Properties Consultancy Ltd | Real estate | 2020 |
| A & a Properties Croydon Ltd | Real estate | 2025 |
| A & a Property Management Contractors Limited | Hospitality | 2025 |
| A & a Retail Limited | Wholesale & retail | 2012 |
| A & a Services London Ltd | Administrative & support | 2020 |
| A & a Shah Properties Limited | Real estate | 2003 |
| A & a Star Motors Limited | Wholesale & retail | 2015 |
| A & a Steelworks Ltd | Manufacturing | 2021 |
| A & a Surf Networks UK Ltd | Information & communication | 2023 |
| A & a Trading Holdings Ltd | Financial services | 2025 |
| A & a Travel and Tours Ltd | Administrative & support | 2025 |
| A & a Trends Ltd | Wholesale & retail | 2025 |
| A & a UK International Limited | Transport & logistics | 2020 |
| A & a Unlimited Construction Ltd | Construction | 2025 |
| A & a WD Ltd | Real estate | 2017 |
| A & a World Import Export Limited | Manufacturing | 2025 |
| A & B Cars Limited | Administrative & support | 2024 |
| A & B Catering Butchers Limited | Wholesale & retail | 2000 |
| A & B CH Holdings Limited | Financial services | 2025 |
| A & B Cleaners Ltd | Other services | 2017 |
| A & B Commercial Engineering Limited | Wholesale & retail | 2019 |
| A & B Containers Holdings Limited | Other services | 2010 |
| A & B Corporate Limited | Real estate | 2022 |
| A & B Domestic Cleaners & Removals Ltd | Administrative & support | 2017 |
| A & B Flooring Holdings Ltd | Financial services | 2019 |
| A & B General (UK) Limited | Other services | 2009 |
| A & B Marketing Ltd | Wholesale & retail | 2024 |
| A & B Nursery Ltd | Health & social care | 2020 |
| A & B Professional Cleaners Ltd | Administrative & support | 2018 |
| A & B Property Investment London Limited | Real estate | 2023 |
| A & B Rose Services Ltd | Professional & scientific | 2023 |
| A & B Strategic Solutions Limited | Information & communication | 2025 |
| A & B Studio Limited | Professional & scientific | 2019 |
| A & B Swim School and Training Limited | Other services | 2014 |
| A & B Technologies Ltd | Other services | 2023 |
| A & B Vintners Limited | Wholesale & retail | 1998 |
| A & B Wholesale Ltd | Other services | 2025 |
| A & C Barkingside Ltd | Other services | 2026 |
| A & C Black Publishers Limited | Information & communication | 1923 |
| A & C Builders Limited | Construction | 2009 |
| A & C Creative Design Ltd | Administrative & support | 2020 |
| A & C East HAM Ltd | Other services | 2026 |
| A & C Estates Limited | Real estate | 2010 |
| A & C Gatto Property LLP | | 2025 |
| A & C Harlow Ltd | Other services | 2026 |
| A & C Harrison LLP | | 2026 |
| A & C Invest Limited | Real estate | 2020 |
| A & C Lewis Family Holdings Ltd | Real estate | 2017 |
| A & C Limited | Real estate | 1950 |
| A & C Property Investments Ltd | Real estate | 2016 |
| A & C Quality Consultancy Ltd | Wholesale & retail | 2020 |
| A & C Ramsgate Ltd | Other services | 2026 |
| A & C Restaurants Limited | Hospitality | 2016 |
| A & C Romford Ltd | Other services | 2026 |
| A & Co Accountants Limited | Professional & scientific | 2015 |
| A & Co Building Services Ltd | Construction | 2024 |
| A & Co Management Services Limited | Households | 2024 |
| A & D (IBC ) Ltd | Real estate | 2020 |
| A & D Building Ltd | Construction | 2017 |
| A & D Chinatown Limited | Real estate | 2007 |
| A & D Consortium Ltd | Real estate | 2025 |
| A & D Education Consultant Limited | Education | 2026 |
| A & D Enterprises Ltd | Wholesale & retail | 2023 |
| A & D Finance Solutions Ltd | Financial services | 2023 |
| A & D Heating Limited | Construction | 2024 |
| A & D Hodge Legal Agreements Limited | Professional & scientific | 2003 |
| A & D Hope Limited | Wholesale & retail | 2010 |
| A & D Investment &Development. Ltd | Construction | 2020 |
| A & D Language Services Ltd | Professional & scientific | 2001 |
| A & D London Ltd | Other services | 2011 |
| A & D Nail & Beauty Ltd | Other services | 2016 |
| A & D Property Trading Limited | Real estate | 2002 |
| A & D Scaffolding Services Limited | Construction | 2008 |
| A & D Valeting Ltd | Administrative & support | 2020 |
| A & E & Sons Limited | Hospitality | 2013 |
| A & E (London) Ltd | Wholesale & retail | 2014 |
| A & E Catering Limited | Hospitality | 2017 |
| A & E Estates Limited | Real estate | 2020 |
| A & E Food-Box Ltd | Hospitality | 2024 |
| A & E Gauges Limited | Administrative & support | 1999 |
| A & E Homes Ltd | Real estate | 2020 |
| A & E LAB (UK) Co., Ltd. | Extraterritorial | 2012 |
| A & E Lambrou Developments Limited | Real estate | 2014 |
| A & E Law Limited | Professional & scientific | 2012 |
| A & E Locums Limited | Extraterritorial | 2008 |
| A & E Peters Ltd | Professional & scientific | 2025 |
| A & E Scaffolding Ltd | Construction | 2015 |
| A & E Valeting Ltd | Administrative & support | 2025 |
| A & EM London Limited | Manufacturing | 2014 |
| A & F (Mangal) Ltd | Wholesale & retail | 2008 |
| A & F Constantine Cafe Ltd | Hospitality | 2024 |
| A & F Gelati Italiani Limited | Manufacturing | 2009 |
| A & F Interactive Limited | Professional & scientific | 2014 |
| A & F Investment Property Limited | Real estate | 2018 |