| AK Property Investments MCR Ltd | Real estate | 2023 |
| AK Sandwich Bar Limited | Hospitality | 2017 |
| AK Smart Accounting Ltd | Professional & scientific | 2025 |
| AK Sons Trading Limited | Wholesale & retail | 2012 |
| AK Tech Sphere Ltd | Wholesale & retail | 2026 |
| AK Technical Services Ltd | Wholesale & retail | 2019 |
| AK the Best Hand Car Wash Ltd | Administrative & support | 2025 |
| AK Traders MCR Ltd | Wholesale & retail | 2025 |
| AK Tyres Urmston Ltd | Wholesale & retail | 2025 |
| Ak&Ar Limited | Wholesale & retail | 2025 |
| Ak-Experience Ltd | Professional & scientific | 2024 |
| Ak-Mee Barbershop Limited | Other services | 2018 |
| AK1NZO Ltd | Professional & scientific | 2019 |
| AKA Logistics Manchester Ltd | Transport & logistics | 2024 |
| AKA Manchester Ltd | Hospitality | 2021 |
| AKA Testing Services Ltd | Information & communication | 2016 |
| AKA Usagi Limited | Arts & recreation | 2025 |
| Akaal Housing Ltd | Real estate | 2024 |
| Akabol Limited | Health & social care | 2024 |
| Akachi Home Improvements Ltd | Construction | 2025 |
| Akacia Retail Ltd | Wholesale & retail | 2025 |
| Akademie DER Evolution Ltd | Financial services | 2021 |
| Akadia Group Ltd | Professional & scientific | 2025 |
| Akadia Ltd | Professional & scientific | 2026 |
| Akaisa Limited | Wholesale & retail | 2016 |
| Akakus Ltd | Wholesale & retail | 2015 |
| Akalnam Property Limited | Real estate | 2023 |
| Akameds Ltd | Wholesale & retail | 2024 |
| Akamua Limited | Wholesale & retail | 2023 |
| Akan Contracting Group Limited | Administrative & support | 2018 |
| Akanksha Limited | Health & social care | 2025 |
| Akapp Ltd | Real estate | 2022 |
| Akar Barber Ltd | Other services | 2023 |
| Akara Kitchen Ltd | Hospitality | 2026 |
| Akarao Ltd | Wholesale & retail | 2025 |
| Akari Limited | Real estate | 2015 |
| Akari Pathways Limited | Professional & scientific | 2026 |
| Akaril (UK) Ltd | Manufacturing | 2023 |
| Akas Ltd | Professional & scientific | 1997 |
| Akasco Ltd | Wholesale & retail | 2022 |
| Akash Takeaway Ltd | Hospitality | 2019 |
| Akason Services and Company Limited | Health & social care | 2013 |
| Akassions Ltd | Hospitality | 2024 |
| Akatdo Limited | Other services | 2026 |
| Akayeverin Ltd | Other services | 2026 |
| AKB Living Limited | Real estate | 2025 |
| AKB Tyres Ltd | Wholesale & retail | 2025 |
| Akbani Financial Ltd | Financial services | 2020 |
| Akbar Balti (Manchester) Limited | Hospitality | 2006 |
| Akbar Barbers Ltd | Other services | 2024 |
| Akbar Medics Ltd | Health & social care | 2025 |
| Akbari (NW) Ltd | Hospitality | 2023 |
| Akbari Enterprises Ltd | Wholesale & retail | 2025 |
| Akbs LAB for African Socio-Economic Development Ltd | Professional & scientific | 2022 |
| AKC Construction Services Ltd | Construction | 2024 |
| AKC Medical Limited | Health & social care | 2022 |
| Akcros Acquisition Limited | Financial services | 2016 |
| Akcros Holdings Limited | Professional & scientific | 2007 |
| AKD Fashion Ltd | Wholesale & retail | 2025 |
| AKD Inns Limited | Hospitality | 2024 |
| AKE Contracts Limited | Extraterritorial | 2021 |
| Akehard Care Limited | Health & social care | 2020 |
| Akeraon Consulting Ltd | Professional & scientific | 2015 |
| Akeso Medical UK Ltd | Professional & scientific | 2024 |
| AKF Decorating Contractors Limited | Construction | 2018 |
| AKF Holding (Manchester) Limited | Financial services | 2023 |
| AKF Store Ltd | Wholesale & retail | 2025 |
| Akgd Properties Limited | Real estate | 2026 |
| AKH Foods MCR Limited | Hospitality | 2025 |
| Akhan Ltd | Real estate | 2020 |
| Akhi Group Ltd | Wholesale & retail | 2025 |
| Akhi Management Limited | Professional & scientific | 2023 |
| Akhi's Car Rentals Ltd | Administrative & support | 2026 |
| Akhibi Estates Limited | Real estate | 2023 |
| Akhifit Ltd | Wholesale & retail | 2025 |
| Akhk Limited | Real estate | 2021 |
| Akhlaq & Co Ltd | Wholesale & retail | 2026 |
| Akhlaq PP Limited | Real estate | 2021 |
| Akhondzada Group Ltd | Financial services | 2022 |
| Akhtar & Associates Limited | Other services | 2010 |
| Akhtar Medical Limited | Health & social care | 2024 |
| Akhtar Prime Services Ltd | Other services | 2024 |
| Akhtarbarlas Ltd | Real estate | 2019 |
| Akhtarzi Bros Limited | Wholesale & retail | 2014 |
| Akhter Properties Ltd | Real estate | 2017 |
| Aki's Krispy Fried Chicken & Shake House Limited | Hospitality | 2019 |
| Akify Ltd | Wholesale & retail | 2024 |
| Akikem UK Ltd | Health & social care | 2016 |
| Akilli UK Ltd | Financial services | 2020 |
| Akin & PP Limited | Public administration | 2023 |
| Akin Autos Limited | Wholesale & retail | 2026 |
| Akin Bankole Property Services LLP | | 2020 |
| Akin Transport Services Ltd | Transport & logistics | 2019 |
| Aking Sinta Jewellery Limited | Manufacturing | 2023 |
| Akinnovatingtrends Limited | Wholesale & retail | 2021 |
| Akinslavia Live Band International Ltd | Arts & recreation | 2026 |
| Akinyib Ltd | Health & social care | 2023 |
| Akira Consult Limited | Professional & scientific | 2017 |
| Akirago Ltd | Administrative & support | 2023 |
| Akito Services Limited | Wholesale & retail | 2003 |