| Axxa Traders Limited | Real estate | 2025 |
| AY Multidrop Ltd | Transport & logistics | 2020 |
| AY Physio Limited | Health & social care | 2019 |
| AYA Collection Ltd | Wholesale & retail | 2026 |
| AYA Socials Ltd | Wholesale & retail | 2024 |
| AYA Vision Ltd | Wholesale & retail | 2024 |
| Ayaan Management Consultants Limited | Professional & scientific | 2014 |
| Ayaan Mirha Limited | Information & communication | 2022 |
| Ayaan Properties Management Limited | Real estate | 2024 |
| Ayaaz Ophthalmic Limited | Professional & scientific | 2024 |
| Ayacorp Digital Limited | Information & communication | 2025 |
| Ayan Collection Ltd | Administrative & support | 2016 |
| Ayan DRY Fruit & VEG Limited | Wholesale & retail | 2026 |
| Ayan Motors and Body Shop Yorkshire Ltd | Wholesale & retail | 2019 |
| AYAN12 Limited | Wholesale & retail | 2025 |
| Ayana Direct Limited | Transport & logistics | 2021 |
| Ayat B Wardrobe Ltd | Wholesale & retail | 2019 |
| Ayat Glam Ltd | Other services | 2025 |
| Ayathuda Ltd | Health & social care | 2024 |
| Ayatmohammed Ltd | Transport & logistics | 2025 |
| AYB Technologies Limited | Other services | 2023 |
| Ayclothing Ltd | Professional & scientific | 2026 |
| Aydan Hussain Ltd | Health & social care | 2026 |
| Aydee Mart Ltd | Wholesale & retail | 2023 |
| Ayesha ALI Ltd | Health & social care | 2022 |
| Ayesha Naveed Limited | Wholesale & retail | 2025 |
| AYG 786 Services Ltd | Wholesale & retail | 2017 |
| AYL Consultancy Limited | Information & communication | 2012 |
| Ayla Mini Market Limited | Wholesale & retail | 2025 |
| Ayladeen Holdings Limited | Financial services | 2020 |
| Aylin & Co Ltd | Wholesale & retail | 2025 |
| AYM Renovations Ltd | Construction | 2024 |
| AYN Optics Holdings Ltd | Real estate | 2020 |
| AYN Optics Limited | Administrative & support | 2008 |
| Aynbari Ltd | Wholesale & retail | 2026 |
| Ayoos Limited | Administrative & support | 2020 |
| Ayra Estates Ltd | Real estate | 2024 |
| Ayra's Ltd | Wholesale & retail | 2020 |
| Ayras Hair & Beauty Ltd | Wholesale & retail | 2026 |
| Ayreno Consultancy Limited | Professional & scientific | 2020 |
| Ayresome Holdings Ltd | Financial services | 2020 |
| Ayrton Arbitration Limited | Professional & scientific | 2026 |
| Ayrton Performance Ltd | Wholesale & retail | 2024 |
| Ayry Ltd | Wholesale & retail | 2024 |
| AYS Tech Services Ltd | Manufacturing | 2024 |
| Aysha Investments Ltd | Real estate | 2021 |
| Aysha Nazir Ltd | Wholesale & retail | 2019 |
| Ayubowan Bradford Ltd | Hospitality | 2024 |
| AYV Limited | Professional & scientific | 2019 |
| Ayzak Ltd | Real estate | 2025 |
| Ayzal Investments Ltd | Real estate | 2024 |
| Ayzlan Ltd | Wholesale & retail | 2023 |
| AZ Clipperz Ltd | Other services | 2023 |
| AZ Consultancy Limited | Professional & scientific | 2024 |
| AZ Design Ltd | Wholesale & retail | 2023 |
| AZ Esol Ltd | Education | 2025 |
| AZ Homeware Ltd | Wholesale & retail | 2025 |
| AZ Made for YOU Ltd | Hospitality | 2017 |
| AZ Medicare Ltd | Health & social care | 2023 |
| AZ Vehicle Sourcing Ltd | Wholesale & retail | 2024 |
| AZA Properties Limited | Real estate | 2020 |
| Azaaan Investments Ltd | Real estate | 2020 |
| Azaan & Co Private Ltd | Wholesale & retail | 2018 |
| Azaan Couriers Ltd | Transport & logistics | 2025 |
| Azaan’S Executive Transport Ltd | Transport & logistics | 2025 |
| Azad Carpets & Furniture Ltd | Wholesale & retail | 2023 |
| Azad Mini Mart Ltd | Wholesale & retail | 2026 |
| Azad Property Holdings Limited | Real estate | 2023 |
| Azam Aero Ltd | Manufacturing | 2024 |
| Azam Chauffeur Services Ltd | Transport & logistics | 2026 |
| Azam Logistics Limited | Transport & logistics | 2018 |
| Azam Management Limited | Real estate | 2023 |
| Azam MNA Holdings Ltd | Real estate | 2025 |
| Azeem Accountants Ltd | Professional & scientific | 2015 |
| Azeem Healthcare Ltd | Health & social care | 2022 |
| Azeena Ltd | Wholesale & retail | 2020 |
| Azfar & Shore LLP | | 2011 |
| Aziz Estates Limited | Real estate | 2020 |
| Aziz Fashions (UK) Ltd | Wholesale & retail | 2018 |
| Aziz Logistic Solutions Ltd | Professional & scientific | 2024 |
| Azizam Restaurant Ltd | Hospitality | 2025 |
| Azka Lounge Ltd | Hospitality | 2025 |
| Azka Sterling Limited | Real estate | 2021 |
| Azlan Baaz Ltd | Administrative & support | 2025 |
| Azlan Tech Ltd | Wholesale & retail | 2025 |
| Azmaray Studio Ltd | Arts & recreation | 2025 |
| Azmatize Ltd | Professional & scientific | 2019 |
| Azpet Ltd | Manufacturing | 2020 |
| Aztec Boxing Club CIC | Arts & recreation | 2024 |
| Aztec Property Developments Limited | Households | 2023 |
| Aztek International Freight Limited | Transport & logistics | 2002 |
| Azura Suites Ltd | Real estate | 2026 |
| Azzg Limited | Real estate | 2022 |
| Azzurra Bathroom and Tiles Ltd | Wholesale & retail | 2015 |
| B & B News & OFF Licence Ltd | Wholesale & retail | 2022 |
| B & D SOM Ltd | Education | 2020 |
| B & P Solutions Ltd | Information & communication | 2014 |
| B - Spec Solutions Ltd | Professional & scientific | 2019 |
| B a Motors Ltd | Wholesale & retail | 2023 |
| B and a Leisure Limited | Hospitality | 2017 |