| Autonotix Ltd | Information & communication | 2025 |
| Autonova London Ltd | Wholesale & retail | 2026 |
| Autoria Business Ltd | Construction | 2024 |
| AUZ Consulting Ltd | Construction | 2023 |
| AV Blue Ltd | Construction | 2022 |
| AV Buying and Letting Ltd | Real estate | 2023 |
| AV Construction Builders Ltd | Construction | 2024 |
| AV CUT & Shave Limited | Other services | 2025 |
| AV3 Ltd | Construction | 2025 |
| AVA Consulting and Construction Ltd | Professional & scientific | 2021 |
| AVA Green Limited | Construction | 2025 |
| Avamore Limited | Real estate | 2006 |
| Avante Cosmetics Ltd. | Wholesale & retail | 2023 |
| Aventus Builders Ltd. | Administrative & support | 2019 |
| Avenue Estates Investments Ltd | Real estate | 2017 |
| AVI & ADI Construction Ltd | Construction | 2024 |
| AVI Foods Ltd | Hospitality | 2012 |
| Aviraj Construction Ltd | Construction | 2021 |
| Aviraj Properties Ltd | Real estate | 2020 |
| AVK Consulting Limited | Professional & scientific | 2025 |
| Avlash UK Limited | Wholesale & retail | 2018 |
| Avleen Sraa Logistics Ltd | Transport & logistics | 2024 |
| AVN Logistics Ltd | Transport & logistics | 2026 |
| Avon Enterprises Limited | Wholesale & retail | 2005 |
| Avon Properties London Limited | Real estate | 2019 |
| Avonlea Homes Ltd | Real estate | 2026 |
| Avraj Logistics Limited | Transport & logistics | 2025 |
| Avvrax Huntingdon Limited | Real estate | 2024 |
| Avyakta Ltd | Wholesale & retail | 2023 |
| AW Accounting & Business Services Limited | Professional & scientific | 2019 |
| Awelighting Ltd | Wholesale & retail | 2014 |
| Axie Dispatch Ltd | Information & communication | 2022 |
| Axiom Tech Solutions Ltd | Information & communication | 2025 |
| Axonova Consulting Ltd | Information & communication | 2025 |
| AY Merchants Ltd | Wholesale & retail | 2020 |
| AYA Trade Limited | Hospitality | 2025 |
| Ayaan Fish Bazaar Ltd | Wholesale & retail | 2022 |
| Aybakarco Ltd | Other services | 2024 |
| Ayesha Ventures Ltd | Wholesale & retail | 2025 |
| Aykicks Ltd | Wholesale & retail | 2026 |
| Aykra Clothing Ltd | Wholesale & retail | 2026 |
| Aylesbury Business Park Limited | Real estate | 2016 |
| Aymann & Co Ltd | Wholesale & retail | 2018 |
| AZ Engineering Solutions Ltd | Other services | 2014 |
| Azad Property Portfolio Limited | Real estate | 2021 |
| Azad TV Limited | Other services | 2019 |
| Azazah UK Ltd | Financial services | 2021 |
| AZB Store Ltd | Wholesale & retail | 2024 |
| Aziz Tech Ltd | Wholesale & retail | 2025 |
| Azlan & Azhan Limited | Wholesale & retail | 2024 |
| AZN Investments Ltd | Real estate | 2021 |
| Azonix Ltd | Wholesale & retail | 2023 |
| Azra Caring and Cleaning Services Ltd | Administrative & support | 2021 |
| Aztech Investment Limited | Real estate | 2023 |
| Azya Consulting Ltd | Information & communication | 2015 |
| Azzurra Projects Ltd | Information & communication | 2017 |
| B & F Consulting Ltd | Extraterritorial | 2021 |
| B & K Realty Ltd | Real estate | 2017 |
| B & M Freight Ltd | Transport & logistics | 2025 |
| B & S Editions Ltd | Information & communication | 2025 |
| B and P Healthcare Limited | Public administration | 2024 |
| B Distribution and Wholesale Limited | Wholesale & retail | 2019 |
| B J I Ltd | Hospitality | 2016 |
| B N G Holdings Limited | Real estate | 2015 |
| B S Brar Roofing Ltd | Construction | 2023 |
| B S Gill Investment Ltd | Real estate | 2019 |
| B S Kapoor Investment Ltd | Real estate | 2025 |
| B S Litt Limited | Transport & logistics | 2018 |
| B Singh Construction Ltd | Construction | 2017 |
| B W Auto Repairs (UK) Limited | Other services | 2009 |
| B&D Groupp Limited | Wholesale & retail | 2025 |
| B&G Wholesalers Ltd | Wholesale & retail | 2013 |
| B&K Distribution Ltd | Administrative & support | 2024 |
| B&Z International Limited | Wholesale & retail | 2022 |
| B'S Carwash Ltd | Other services | 2021 |
| B-Solutionized Ltd | Professional & scientific | 2013 |
| B.N.B 2019 Limited | Hospitality | 2019 |
| B.S Builders Merchants Ltd | Construction | 2022 |
| B14 Media Ltd | Professional & scientific | 2022 |
| B2B Products UK Limited | Wholesale & retail | 2024 |
| B7 Legal Services Ltd | Professional & scientific | 2024 |
| Baaj Steel Fabrications Ltd | Manufacturing | 2024 |
| Baaj Travels Ltd | Administrative & support | 2026 |
| Baani Builders Ltd | Construction | 2022 |
| Baani Mobile & Vape Ltd | Wholesale & retail | 2021 |
| Baas Investments Limited | Real estate | 2021 |
| Baas Plus Investment Limited | Real estate | 2021 |
| Baaz Builders & Contractors Ltd | Construction | 2024 |
| Baaz House Ltd | Real estate | 2025 |
| Baaz Logistics Ltd | Transport & logistics | 2022 |
| Baaz Scaffolding Ltd | Construction | 2021 |
| Baba Construction (GB) Ltd | Extraterritorial | 2015 |
| Baba Deep Singh JI Transport Limited | Transport & logistics | 2024 |
| Baba Nanak Real Estate Ltd | Real estate | 2024 |
| Baba Nand Singh JI Ltd | Administrative & support | 2026 |
| Baba Staircases & Joinery Limited | Construction | 2026 |
| Baba's Lahori Dhaba Ltd | Hospitality | 2023 |
| Baba.Pk Ltd | Wholesale & retail | 2025 |
| Babbar & Co Finance Ltd | Other services | 2025 |
| Babbar & Co Real Estate Ltd | Real estate | 2025 |