| Akshar Professional Services Limited | Health & social care | 2019 |
| Akshar Properties Investments Ltd | Real estate | 2009 |
| Akshar Properties Services Limited | Real estate | 2019 |
| Akshar Services Ltd | Construction | 2016 |
| Akshaya Ventures Limited | Real estate | 2016 |
| AKT Party Wall Surveyors Limited | Professional & scientific | 2016 |
| AKT Rights to Light Surveyors Limited | Real estate | 2023 |
| AKT Trade Ltd | Wholesale & retail | 2026 |
| Akureyri Limited | Financial services | 2017 |
| Akvtraders Limited | Wholesale & retail | 2025 |
| AKY Style Ltd | Wholesale & retail | 2025 |
| AL Ahmed Petroleum & Auto Care Ltd | Wholesale & retail | 2024 |
| AL Amira Beauty Salon Ltd | Other services | 2024 |
| AL Amjad Ltd | Administrative & support | 2019 |
| AL Badr Investments Ltd | Real estate | 2017 |
| AL Batool (A.S.) Services Limited | Professional & scientific | 2013 |
| AL Fareed Traders International Ltd | Professional & scientific | 2025 |
| AL Fars Barbers Ltd | Other services | 2025 |
| AL Ghazaleen London Ltd | Wholesale & retail | 2026 |
| AL Habib Engineering & Contractor Ltd | Professional & scientific | 2025 |
| AL Hamriya (UK) Ltd | Hospitality | 2015 |
| AL Hilal Cafe Ltd | Wholesale & retail | 2023 |
| AL Jood Ltd | Wholesale & retail | 2022 |
| AL Kahf Properties Limited | Real estate | 2024 |
| AL Karam MED Centre UK Ltd | Wholesale & retail | 2022 |
| AL Madinah Catering Ltd | Hospitality | 2026 |
| AL Mechanical Services Ltd | Construction | 2021 |
| AL Mustafa Developers Global Ltd | Professional & scientific | 2025 |
| AL Pharma Holdings Ltd | Real estate | 2021 |
| AL Sabeel Academy Limited | Extraterritorial | 2009 |
| AL Sharq Forum | Professional & scientific | 2014 |
| AL Shira'Aa Farms Limited | Agriculture & fishing | 2014 |
| AL Shouq Cuisine Ltd | Wholesale & retail | 2025 |
| AL Steelfixing Ltd | Construction | 2021 |
| AL Wafrah Foods Ltd | Hospitality | 2020 |
| AL Wahab Tours Limited | Administrative & support | 2016 |
| AL Waly Trading Ltd | Wholesale & retail | 2018 |
| AL Zahra International Limited | Wholesale & retail | 2020 |
| AL Zoghf General Trading Ltd | Wholesale & retail | 2019 |
| AL- Amafhh Traders Ltd | Wholesale & retail | 2026 |
| Al-Andalus Limited | Real estate | 2018 |
| Al-Aziz Packages & Printings UK Ltd | Wholesale & retail | 2024 |
| Al-Baqarah Ltd | Wholesale & retail | 2024 |
| Al-Ghani Associates UK Ltd | Real estate | 2025 |
| Al-Habib London Ltd | Hospitality | 2025 |
| Al-Halal Meat and Poultry Ltd | Wholesale & retail | 2012 |
| Al-Haqq's Kitchen Limited | Hospitality | 2016 |
| Al-Hijaz (Tours & Travels) Ltd | Administrative & support | 2009 |
| Al-Izdihar Housing Company Ltd | Real estate | 2022 |
| Al-Meezan Cash & Carry Ltd | Professional & scientific | 2025 |
| Al-Musawi Surgery Ltd | Health & social care | 2023 |
| Al-Noor Eyecare Ltd | Other services | 2013 |
| Al-Ra Dental Holdings Ltd | Health & social care | 2024 |
| Al-Rayan AID Limited | Health & social care | 2024 |
| Al-Shaghaf Hajj & Umra Services Ltd | Professional & scientific | 2025 |
| Al-Sultan Enterprises UK Ltd | Real estate | 2025 |
| Al-Zaki | Health & social care | 2021 |
| Alaa SPV Limited | Real estate | 2025 |
| Alafaq Travel & Tourism Ltd | Administrative & support | 2015 |
| Alaia Trade Limited | Wholesale & retail | 2015 |
| Alalam Import and Export Limited | Wholesale & retail | 2023 |
| Alams International Ltd | Financial services | 2019 |
| Alan C Ford (ROY Road) Ltd | Construction | 2020 |
| Alan Gard Limited | Manufacturing | 1970 |
| Alan Meat Ltd | Wholesale & retail | 2024 |
| Alan Parker Estates Ltd | Financial services | 2018 |
| Alangara Property Group Ltd | Real estate | 2026 |
| Alani Property Holding Limited | Real estate | 2026 |
| Alazhar Ltd | Administrative & support | 2018 |
| ALB Consults Ltd | Professional & scientific | 2025 |
| ALB Success Limited | Real estate | 2021 |
| Alba UK Limited | Wholesale & retail | 2006 |
| Albab Tandoori Ltd | Hospitality | 2019 |
| Albaki Ltd | Wholesale & retail | 2025 |
| Alban Construction Ltd | Construction | 2012 |
| Albanies Ltd | Real estate | 2014 |
| Albany Corporate Services Limited | Administrative & support | 2018 |
| Albarrak Limited | Construction | 2018 |
| Albemarle Kent Limited | Other services | 1993 |
| Albert SA Limited | Real estate | 2024 |
| Albert's Bespoke Carpentry Limited | Financial services | 2019 |
| Albion Homes London Ltd | Real estate | 2017 |
| Albion Homes Ltd | Real estate | 2003 |
| Albion Television Ltd | Information & communication | 2022 |
| Alchemize Healing CIC | Education | 2026 |
| Alchemy Scientific Ltd | Wholesale & retail | 2011 |
| Alcomfix Ltd | Construction | 2026 |
| Alcott Energy Limited | Information & communication | 2025 |
| Alcove Properties Ltd | Hospitality | 2026 |
| Alcus & Associates Ltd | Health & social care | 2025 |
| ALD Creators for Building and Decoration Ltd | Construction | 2023 |
| Aldbrook Limited | Hospitality | 2011 |
| Alden Construction Group Limited | Construction | 2021 |
| Alderbury Holdings Ltd | Health & social care | 2014 |
| Alderstone Investment Ltd | Construction | 2024 |
| Aldiana Yacht Ltd | Transport & logistics | 2026 |
| Aldington Capital Limited | Financial services | 1999 |
| Aldok Plumbing Services Ltd | Construction | 2018 |
| ALE Bar Limited | Hospitality | 2023 |
| Aleance Ltd | Hospitality | 2025 |