| A & R Properties (London) Ltd | Hospitality | 2006 |
| A & R Properties (UK) Limited | Real estate | 2006 |
| A & R Property Maintenance 365 Ltd | Construction | 2025 |
| A & R Serious Enterprises Limited | Real estate | 2020 |
| A & R Sodha Properties Ltd | Real estate | 2026 |
| A & R VIP Services Ltd | Transport & logistics | 2026 |
| A & R Vision Ltd | Information & communication | 2025 |
| A & S (Bradford) Ltd | Wholesale & retail | 2019 |
| A & S (UK ) Ltd | Administrative & support | 2017 |
| A & S Arnold Leasing Limited | Administrative & support | 2023 |
| A & S Bruce Family Holdings Ltd | Construction | 2025 |
| A & S Building Maintenance Ltd | Construction | 2017 |
| A & S Clear Pathway Care Solutions Limited | Hospitality | 2025 |
| A & S Coffee Limited | Manufacturing | 2018 |
| A & S Construction & Labour Limited | Construction | 2018 |
| A & S Construction Ltd | Construction | 2018 |
| A & S Elax Ltd | Real estate | 2021 |
| A & S Entertainments Ltd | Arts & recreation | 2021 |
| A & S Floral Couture Ltd | Wholesale & retail | 2026 |
| A & S Gordon LLP | | 2021 |
| A & S Hand Car Wash Ltd | Wholesale & retail | 2012 |
| A & S Haulage Ltd | Transport & logistics | 2014 |
| A & S Home Care Limited | Wholesale & retail | 2006 |
| A & S Immigration Services Limited | Other services | 2009 |
| A & S International Supplies UK Ltd | Transport & logistics | 2024 |
| A & S Jackson Holdings Ltd | Financial services | 2026 |
| A & S Kendal Limited | Hospitality | 2022 |
| A & S Kolevi Ltd | Construction | 2021 |
| A & S Marketing Ltd | Professional & scientific | 2012 |
| A & S Mayfair Investments Ltd | Real estate | 2019 |
| A & S Motor Services Ltd | Transport & logistics | 2026 |
| A & S Outsourcing Limited | Professional & scientific | 2018 |
| A & S Plaza Tech Limited | Wholesale & retail | 2026 |
| A & S Property Estates Ltd | Real estate | 2020 |
| A & S Refurbishments Ltd | Construction | 2010 |
| A & S Shipping and Logistics Ltd | Wholesale & retail | 2025 |
| A & S Soong Limited | Financial services | 2026 |
| A & S Tiling Ltd | Construction | 2010 |
| A & S Trading Group Ltd | Wholesale & retail | 2024 |
| A & S WD Ltd | Real estate | 2017 |
| A & S Wheels Limited | Wholesale & retail | 2001 |
| A & S Wishart Ltd | Financial services | 2024 |
| A & Silvercrest Ltd | Administrative & support | 2026 |
| A & SS Consultancy Ltd | Professional & scientific | 2026 |
| A & T 21 Holdings Ltd | Hospitality | 2024 |
| A & T Consultants Ltd | Professional & scientific | 2024 |
| A & T Electrical Contractors Limited | Other services | 2003 |
| A & T Group ERB Ltd | Construction | 2016 |
| A & T Investments Limited | Real estate | 2016 |
| A & T Professional Services Ltd | Professional & scientific | 2026 |
| A & T Properties Portfolio Ltd | Real estate | 2025 |
| A & T Property Holdings Ltd | Real estate | 2022 |
| A & T Recruitment Company Limited | Administrative & support | 2021 |
| A & T Scaffolding Limited | Construction | 2008 |
| A & T SUB Limited | Real estate | 2021 |
| A & T Travel Ltd | Administrative & support | 2006 |
| A & U Construction Ltd | Construction | 2021 |
| A & U Services London Ltd | Administrative & support | 2016 |
| A & U Tech Ltd | Wholesale & retail | 2024 |
| A & U Transports Ltd | Transport & logistics | 2019 |
| A & V Ceilings Limited | Construction | 2018 |
| A & V Estates Ltd | Real estate | 2017 |
| A & W Distributions Ltd | Wholesale & retail | 2023 |
| A & W Investments Limited | Real estate | 2024 |
| A & W Property Investments Ltd | Real estate | 2021 |
| A & W Real Estate Ltd | Real estate | 2024 |
| A & W Solution Electrical Ltd | Construction | 2019 |
| A & Y Building Works Ltd | Construction | 2014 |
| A & Y Constructions Ltd | Construction | 2022 |
| A & Y Estates Limited | Real estate | 2009 |
| A & Y Immigration Law Ltd | Other services | 2007 |
| A & Y Law Ltd | Professional & scientific | 2016 |
| A & Y Middle East Catering Ltd | Hospitality | 2024 |
| A & Y Properties Limited | Real estate | 2010 |
| A & Y Stavrinou Properties Limited | Real estate | 2001 |
| A & Y Trading Limited | Wholesale & retail | 2019 |
| A & Yannis Ltd | Manufacturing | 2019 |
| A & Z Associates Ltd | Wholesale & retail | 2025 |
| A & Z Collection Ltd | Wholesale & retail | 2020 |
| A & Z Consultants Limited | Professional & scientific | 2013 |
| A & Z DRY Cleaners Ltd | Other services | 2017 |
| A & Z Fresh Ltd | Wholesale & retail | 2020 |
| A & Z Jubba Ltd | Wholesale & retail | 2024 |
| A & Z Properties Services Ltd | Real estate | 2022 |
| A & Z Traders Ltd | Wholesale & retail | 2010 |
| A & Z Trading Limited | Hospitality | 2015 |
| A & Z Travels Limited | Transport & logistics | 2024 |
| A 'CP' Creative Company Ltd | Extraterritorial | 2023 |
| A - EYE Ophthalmic Technology & Artificial Intelligence Ltd | Health & social care | 2019 |
| A - More & Fashion Ltd | Wholesale & retail | 2015 |
| A - Z Cargo (Import & Export) and General Merchant Limited | Transport & logistics | 2009 |
| A - Z Cosmetics Ltd | Wholesale & retail | 2025 |
| A - Z Fire & Security Ltd | Administrative & support | 2023 |
| A - Z Property Care Ltd | Construction | 2025 |
| A -Team Building Services Limited | Construction | 2019 |
| A -Z Wood Flooring Limited | Other services | 2014 |
| A . One Cafe and Grill Ltd | Hospitality | 2024 |
| A 1 Heating & Plumbing Ltd | Construction | 2016 |
| A 1000 Self Storage Limited | Extraterritorial | 2002 |
| A 101 London Limited | Construction | 2016 |