| Al-Amin Law Ltd | Professional & scientific | 2024 |
| Al-Ansar Islamic Education Centre | Other services | 2000 |
| Al-Baraka Investment Ltd | Real estate | 2016 |
| Al-Basit Traders Ltd | Administrative & support | 2018 |
| Al-Fadl 1 Limited | Real estate | 2021 |
| Al-Fadl 3 Limited | Real estate | 2024 |
| Al-Fadl 4 Limited | Real estate | 2025 |
| Al-Fadl 5 Limited | Real estate | 2025 |
| Al-Fadl Ltd | Other services | 2021 |
| Al-Falah Sunflower Day Care Ltd | Health & social care | 2022 |
| Al-Falah the Sunflower Nursery Ltd | Health & social care | 2004 |
| Al-Fatah Grill Ltd | Hospitality | 2025 |
| Al-Fatah Shisha Ltd | Hospitality | 2025 |
| Al-Fatihah Limited | Wholesale & retail | 2022 |
| Al-Ghani Welfare Limited | Education | 2017 |
| Al-Ihsan 1 Ltd | Wholesale & retail | 2019 |
| Al-Ihya'A Limited | Education | 2018 |
| Al-Jaleel Trading Limited | Wholesale & retail | 2024 |
| Al-Jomeen Properties Limited | Real estate | 2015 |
| Al-Khayr 1 Ltd | Wholesale & retail | 2020 |
| Al-Masirah (the Journey) Ltd | Health & social care | 2023 |
| Al-Naji Pharma Ltd | Health & social care | 2017 |
| Al-Noor United Limited | Health & social care | 2019 |
| Al-Qaswaa Ltd | Wholesale & retail | 2020 |
| Al-Tax Ltd | Professional & scientific | 2016 |
| Al-Yasin Halal Meat and Grocery Ltd | Wholesale & retail | 2021 |
| Aladdin's Mahal Ltd | Hospitality | 2019 |
| Alain Travels & Tourist Ltd | Administrative & support | 2025 |
| Alaisiagae Productions Ltd | Information & communication | 2018 |
| Alam & Co Investments Ltd | Real estate | 2015 |
| Alam & Co. Consulting Limited | Wholesale & retail | 2024 |
| Alam Brothers Estates Ltd | Real estate | 2021 |
| Alam Financial Consulting Limited | Professional & scientific | 2015 |
| Alam Optical Ltd | Health & social care | 2024 |
| Alam Supplies Ltd | Wholesale & retail | 2024 |
| Alameen Construction Ltd | Construction | 2023 |
| Alamry Global Cargo Ltd | Transport & logistics | 2014 |
| Alams Global Traders Ltd | Wholesale & retail | 2025 |
| Alan & Alan Ltd | Construction | 2022 |
| Alan D & Co Ltd | Professional & scientific | 2024 |
| Alanis TV Ltd | Information & communication | 2020 |
| Alar Distribution Ltd | Construction | 2020 |
| Alarmix Limited | Construction | 2026 |
| Alaska Group Ltd | Information & communication | 2025 |
| Alaskanoon Ltd | Wholesale & retail | 2025 |
| Alavi Aesthetics Ltd | Health & social care | 2025 |
| Alayna Construction Ltd | Construction | 2022 |
| Alazov Ltd | Construction | 2021 |
| ALB Interpreting Ltd | Administrative & support | 2017 |
| Albanis Estates Ltd | Real estate | 2002 |
| Albanygate Limited | Information & communication | 1992 |
| Albemarle Consultancy Limited | Professional & scientific | 2017 |
| Albert Mount Limited | Real estate | 2025 |
| Albert Nelson Properties Limited | Real estate | 2024 |
| Alberto Construction Ltd | Construction | 2025 |
| Albi Investments Limited | Real estate | 2019 |
| Albionoasis Limited | Professional & scientific | 2026 |
| Albirruwattaqwa Ltd | Education | 2025 |
| Alborz Holdings Limited | Real estate | 2021 |
| Albu&Co Ltd | Transport & logistics | 2022 |
| Alchemist Property Investment Limited | Real estate | 2023 |
| Alchemy Rituals Limited | Wholesale & retail | 2023 |
| Alchrist Consulting Ltd | Information & communication | 2023 |
| Alcj Consultancy Limited | Professional & scientific | 2023 |
| ALD Trades Ltd | Wholesale & retail | 2024 |
| Alda Properties Ltd | Real estate | 2024 |
| Aldborough Court Limited | Households | 1975 |
| Aldborough Hall Farm Ltd | Real estate | 2014 |
| Aldborough House Ltd | Real estate | 2014 |
| Aldcrest Limited | Wholesale & retail | 1973 |
| Alder & Oak Trading Ltd | Wholesale & retail | 2025 |
| Alder Walk Ltd | Real estate | 2024 |
| Alderton Accountancy Ltd | Professional & scientific | 2019 |
| Aldgate Contracts Ltd | Construction | 2014 |
| Aleezay Hair & Cosmatics Ltd | Wholesale & retail | 2019 |
| Aleezay Limited | Transport & logistics | 2023 |
| Alek & S Limited | Transport & logistics | 2014 |
| Aleksas PVT Limited | Wholesale & retail | 2020 |
| Ales Contractors Ltd | Construction | 2019 |
| Alex Cooper Group Ltd | Construction | 2025 |
| Alex Drylining Ltd | Construction | 2025 |
| Alex Fire Protection Ltd | Construction | 2025 |
| Alex Furniture HUT Limited | Wholesale & retail | 2019 |
| Alex Group Drylining Ltd | Construction | 2026 |
| Alex Ionita Trans Ltd | Transport & logistics | 2016 |
| Alex Prime Advert Ltd | Information & communication | 2026 |
| Alex Trades Ltd | Wholesale & retail | 2018 |
| Alex&M Steel Ltd | Construction | 2025 |
| Alexander Collier Flowers Ltd | Administrative & support | 2016 |
| Alexander Construct Limited | Construction | 2015 |
| Alexander Court Care Home Limited | Health & social care | 2024 |
| Alexander David Property Ltd | Real estate | 2012 |
| Alexander Forbes Associates Ltd | Professional & scientific | 2014 |
| Alexander Rhodes Ltd | Administrative & support | 2021 |
| Alexander Ruben Consulting Ltd | Professional & scientific | 2022 |
| Alexander Ruben Ltd | Information & communication | 2018 |
| Alexandra Children's Home Ltd | Health & social care | 2024 |
| Alexandra Mane Ltd | Real estate | 2014 |
| Alexandra REC Ltd | Administrative & support | 2020 |
| Alexandrumaiculita Limited | Arts & recreation | 2017 |