| AJS Building & Property Maintenance Ltd | Construction | 2024 |
| AJS Sales & Services Ltd | Wholesale & retail | 2018 |
| Ajsk Limited | Hospitality | 2018 |
| AJW Medical Services Ltd | Health & social care | 2025 |
| AJW Property Management Services Ltd | Real estate | 2021 |
| Ajwa Delivery Service Ltd | Transport & logistics | 2026 |
| Ajwaa Holidays Limited | Hospitality | 2023 |
| AJZ Medical Ltd | Health & social care | 2022 |
| AK Appliances Limited | Other services | 2026 |
| AK Fulwood Ltd | Wholesale & retail | 2025 |
| AK Global Trading Ltd | Wholesale & retail | 2010 |
| AK Holdings (SY) Ltd | Financial services | 2019 |
| AK Real Estate Investments Limited | Real estate | 2021 |
| AK Regal Care Limited | Hospitality | 2023 |
| AK Valuation Consultants Ltd | Real estate | 2019 |
| AK Vapes Ltd | Wholesale & retail | 2019 |
| Akad Building Construction Ltd | Construction | 2019 |
| Akademy Football Ltd | Arts & recreation | 2020 |
| Akal Ventures Ltd | Wholesale & retail | 2025 |
| Akam Carwash Limited | Wholesale & retail | 2025 |
| Akan Kara Limited | Transport & logistics | 2025 |
| Akar Holdings Ltd | Professional & scientific | 2025 |
| Akar Pharma Services Ltd | Health & social care | 2023 |
| Akar Property Ltd | Real estate | 2023 |
| Akarui Limited | Real estate | 2022 |
| Akash Retail Ltd | Wholesale & retail | 2022 |
| Akash Tradings Ltd | Hospitality | 2014 |
| Akashic Records UK Ltd | Health & social care | 2024 |
| Akbar (Sheff City) Ltd | Hospitality | 2015 |
| Akbar Meat Suppliers Ltd | Wholesale & retail | 2024 |
| Akbindeman Enterprises Limited | Financial services | 2019 |
| AKD Nurseries Ltd | Other services | 2014 |
| AKE Electrical & Property Services Ltd | Construction | 2008 |
| Akero Capital Partners LLP | | 2018 |
| AKH Pharma Limited | Wholesale & retail | 2024 |
| Akhirahcollectiveclub Ltd | Wholesale & retail | 2025 |
| Akhtar Noreen Medical Services Limited | Health & social care | 2024 |
| Akhtars in Killamarsh Limited | Hospitality | 2016 |
| Akiika Capital Ltd | Wholesale & retail | 2025 |
| Akila Healthcare Limited | Health & social care | 2012 |
| Akis Solutions Limited | Professional & scientific | 2020 |
| Akita Ladies Ltd. | Wholesale & retail | 2018 |
| Akita Live Ltd | Wholesale & retail | 2020 |
| Akjh Limited | Information & communication | 2024 |
| AKM Steels Limited | Manufacturing | 1985 |
| Akod Ltd | Professional & scientific | 2025 |
| Akota Ltd | Information & communication | 2023 |
| AKQ Optom Ltd | Extraterritorial | 2024 |
| Akram-Medical Services Limited | Health & social care | 2022 |
| AKS Assessments Limited | Administrative & support | 2016 |
| AKS Heat Transfer Global Ltd | Professional & scientific | 2023 |
| AKS Heat Transfer Limited | Manufacturing | 2012 |
| Akscm Group Limited | Financial services | 2026 |
| Akshara PVT Ltd | Information & communication | 2024 |
| Akshovex Ltd | Information & communication | 2026 |
| AKT Properties Ltd | Real estate | 2025 |
| Aktiv Legal Limited | Administrative & support | 2019 |
| Akube Ltd | Professional & scientific | 2020 |
| AL Amir Properties Limited | Real estate | 2024 |
| AL Arbab Auto Body Repair Ltd | Wholesale & retail | 2025 |
| AL Ceilings Ltd | Construction | 2022 |
| AL Clinician Limited | Health & social care | 2018 |
| AL Dala Pharm Services Ltd | Health & social care | 2026 |
| AL Madina Travel Services Limited | Administrative & support | 2017 |
| AL Mumin Holdings Ltd | Hospitality | 2024 |
| AL Offlicence Ltd | Wholesale & retail | 2018 |
| AL Qayum Limited | Hospitality | 2023 |
| AL Raheeb Ltd | Wholesale & retail | 2023 |
| AL Rahman Mosque and Cultural Centre Ltd. | Education | 2006 |
| AL Solution Limited | Transport & logistics | 2025 |
| AL Sultan Express Ltd | Wholesale & retail | 2023 |
| AL Sultan Minimarket S4 Limited | Wholesale & retail | 2024 |
| AL Suraimi Properties Limited | Real estate | 2024 |
| AL Taimi Construction Company Ltd | Construction | 2019 |
| AL Tayseer Ltd | Administrative & support | 2024 |
| AL Zahir Supermarket Ltd | Wholesale & retail | 2016 |
| AL Zair Limited | Professional & scientific | 2013 |
| Al-Batati Supermarket Ltd | Wholesale & retail | 2018 |
| Al-Forno Restaurant Limited | Hospitality | 2026 |
| Al-Hassan Enterprises Ltd | Wholesale & retail | 2025 |
| Al-Hikmah Properties Ltd | Real estate | 2020 |
| Al-Karamah Ltd | Hospitality | 2025 |
| Al-Mahfuz Limited | Hospitality | 2020 |
| Al-Radyi Garage Ltd | Wholesale & retail | 2025 |
| Al-Shamiri Cleaning Ltd | Other services | 2026 |
| AL1 0 AJA Limited | Wholesale & retail | 2025 |
| AL1 Communications Limited | Professional & scientific | 2015 |
| ALA Catering Limited | Hospitality | 2025 |
| ALA Restaurant Ltd | Hospitality | 2026 |
| Alabastian Property Limited | Real estate | 2017 |
| Aladdino for Import & Export Private and General Trading Company Limited | Information & communication | 2024 |
| Alafia Companions Limited | Health & social care | 2026 |
| Alam's Halal Ltd | Wholesale & retail | 2014 |
| Alan Crooks Ltd | Agriculture & fishing | 2002 |
| Alan Cusworth Couriers Limited | Transport & logistics | 2022 |
| Alan Farmer Ltd | Hospitality | 2023 |
| Alan Fletcher Medical Reports Limited | Health & social care | 2016 |
| Alan Gillespie Limited | Health & social care | 2011 |
| Alan Hastings Property Limited | Real estate | 2013 |
| Alan Hughes Distributors Limited | Wholesale & retail | 1986 |