| A & L Restaurants Limited | Hospitality | 2002 |
| A & L Roofing Services Ltd | Construction | 2011 |
| A & L Window Repairs Ltd | Construction | 2019 |
| A & LR Ltd | Real estate | 2020 |
| A & M 1967 Ltd | Information & communication | 2014 |
| A & M Appliance Care Ltd | Construction | 2025 |
| A & M Bars Ltd | Hospitality | 2020 |
| A & M Beauty and Hair Limited | Administrative & support | 2023 |
| A & M Builders Property Maintenance & Contractors Ltd | Construction | 2025 |
| A & M Carpenter Ltd | Construction | 2019 |
| A & M Cleaning & Transport Ltd | Transport & logistics | 2015 |
| A & M Company Services Limited | Hospitality | 2002 |
| A & M Desserts Ltd | Hospitality | 2014 |
| A & M Developers Limited | Construction | 2020 |
| A & M Developments London Ltd | Construction | 2026 |
| A & M Express Alterations Limited | Other services | 2026 |
| A & M FARM2POT Ltd | Wholesale & retail | 2025 |
| A & M Flat Roofing Ltd | Construction | 2023 |
| A & M Global Logistics Ltd | Wholesale & retail | 2021 |
| A & M Grocery Ltd | Wholesale & retail | 2017 |
| A & M Group of Companies Ltd | Information & communication | 2025 |
| A & M Heating Plumbing Limited | Construction | 2024 |
| A & M Housing Ltd | Real estate | 2016 |
| A & M Industrial Cleaning Limited | Administrative & support | 2005 |
| A & M Investments London Limited | Households | 2019 |
| A & M Northampton Ltd | Hospitality | 2023 |
| A & M Pakistan Catering Limited | Hospitality | 2019 |
| A & M Polishers Ltd | Manufacturing | 2017 |
| A & M Premium Services Ltd | Real estate | 2020 |
| A & M Properties (London) Limited | Real estate | 2006 |
| A & M Property Works Ltd | Construction | 2026 |
| A & M Records Limited | Manufacturing | 1969 |
| A & M Recruitment Ltd | Administrative & support | 2018 |
| A & M Research and Consulting Ltd | Professional & scientific | 2018 |
| A & M Spitzer Ltd | Real estate | 2019 |
| A & M Tennis Ltd | Arts & recreation | 2015 |
| A & M Universal Property Development Limited | Construction | 2023 |
| A & M Visa Services Ltd | Professional & scientific | 2011 |
| A & MEX Consultants Private Limited | Wholesale & retail | 2026 |
| A & MR Limited | Information & communication | 2024 |
| A & MW Limited | Real estate | 2013 |
| A & N Aleksiev Ltd | Construction | 2005 |
| A & N Business Computer Systems Limited | Information & communication | 2007 |
| A & N Business Group Limited | Financial services | 2023 |
| A & N Chrysostomou Estates Ltd | Real estate | 2023 |
| A & N Drylining Ltd | Construction | 2014 |
| A & N Drywall Limited | Construction | 2009 |
| A & N Electrical Ltd | Construction | 2026 |
| A & N Foody Ltd | Hospitality | 2026 |
| A & N General Construct Limited | Construction | 2016 |
| A & N London Ltd | Administrative & support | 2026 |
| A & N Medics Limited | Health & social care | 2022 |
| A & N Performance Motors Ltd | Wholesale & retail | 2019 |
| A & N Promotions Ltd | Arts & recreation | 2023 |
| A & N Properties (London) Ltd | Real estate | 2024 |
| A & N Shubber Investments Ltd | Real estate | 2020 |
| A & N Style Limited | Other services | 2011 |
| A & N Surrey Construction Ltd | Construction | 2021 |
| A & NB Limited | Information & communication | 2016 |
| A & NY Grill Ltd | Hospitality | 2026 |
| A & NZ Ltd | Administrative & support | 2025 |
| A & O Construction Services Limited | Construction | 2018 |
| A & O Group Ltd | Real estate | 2021 |
| A & P Accountancy Limited | Professional & scientific | 2012 |
| A & P Airway Services Limited | Wholesale & retail | 2022 |
| A & P Data Factory Ltd | Information & communication | 2025 |
| A & P Group Assets Ltd | Real estate | 2023 |
| A & P Investments Limited | Real estate | 2010 |
| A & P Investments London Limited | Real estate | 2015 |
| A & P Kallis Investments Ltd | Real estate | 2013 |
| A & P Lettings Ltd | Hospitality | 2018 |
| A & P London Builders Limited | Construction | 2009 |
| A & P Management Consultancy Limited | Professional & scientific | 2019 |
| A & P Professional Limited | Financial services | 2014 |
| A & P Properties Bath Ltd | Real estate | 2026 |
| A & P Property Sourcing Ltd | Real estate | 2022 |
| A & P Roofing Ltd | Construction | 2025 |
| A & P Skips Limited | Administrative & support | 2010 |
| A & P Tools and Products Limited | Manufacturing | 1946 |
| A & P Worldwide Solutions Ltd | Financial services | 2014 |
| A & Q Partnership (London) Limited | Professional & scientific | 1992 |
| A & R Automation Consulting Ltd | Professional & scientific | 2024 |
| A & R Building & Roofing Ltd | Construction | 2023 |
| A & R Carriage Hire Ltd | Administrative & support | 2015 |
| A & R Cleaning Ltd | Administrative & support | 2020 |
| A & R Commercials Limited | Wholesale & retail | 2014 |
| A & R Communications Limited | Information & communication | 1995 |
| A & R Edelman Limited | Professional & scientific | 1996 |
| A & R Estates Limited | Real estate | 2019 |
| A & R European Designs Ltd | Professional & scientific | 2026 |
| A & R Haulage (UK) Limited | Transport & logistics | 2011 |
| A & R Homes & Lettings Ltd | Real estate | 2025 |
| A & R International LLP | | 2018 |
| A & R Maintenance Ltd | Construction | 2020 |
| A & R Martins Ltd | Real estate | 2023 |
| A & R Mobiles Ltd | Wholesale & retail | 2023 |
| A & R Multiple Services Ltd | Wholesale & retail | 2018 |
| A & R Music Limited | Information & communication | 2011 |
| A & R Nest Ltd | Real estate | 2026 |
| A & R Propertes & Build Ltd | Construction | 2018 |