| Ajit Finance Ltd | Other services | 2020 |
| AJJ Painting and Decorating Limited | Construction | 2018 |
| AJJ Properties Limited | Real estate | 2003 |
| AJK Installations Limited | Administrative & support | 2012 |
| AJM Smith Ltd | Construction | 2025 |
| AJR Consulting Global Limited | Information & communication | 2025 |
| AJS Group Limited | Professional & scientific | 2009 |
| AJS Management Solutions Limited | Professional & scientific | 2025 |
| Ajsland Ltd | Professional & scientific | 2023 |
| Ajt@The New Enginehouse Ltd | Hospitality | 2023 |
| Ajuni Ventures Ltd | Real estate | 2025 |
| AJW Investments Ltd | Real estate | 2017 |
| AJW Joinery (Nottingham) Limited | Construction | 2013 |
| Ajwa Desi Cuisine Ltd | Hospitality | 2025 |
| AK Building & Restoration Ltd | Construction | 2016 |
| AK Burger Fusions Limited | Hospitality | 2025 |
| AK Construction & Building Ltd | Construction | 2024 |
| AK Creative Studio Ltd | Professional & scientific | 2025 |
| AK Driving Services Limited | Transport & logistics | 2020 |
| AK Estate Planning Limited | Professional & scientific | 2014 |
| AK Executive Cars Ltd | Transport & logistics | 2022 |
| AK Fades Nottingham Ltd | Other services | 2026 |
| AK Financial Management Ltd. | Administrative & support | 2015 |
| AK Forklift Parts Limited | Transport & logistics | 2013 |
| AK Heating and Plumbing Ltd | Construction | 2023 |
| AK Investment Group Ltd | Real estate | 2024 |
| AK Lawyers Ltd | Professional & scientific | 2019 |
| AK Medical Ltd | Health & social care | 2005 |
| AK Neuropath Ltd | Health & social care | 2021 |
| AK Prime Brands Ltd | Wholesale & retail | 2025 |
| AK Probate Ltd | Administrative & support | 2023 |
| AK Repairs & Renovations Ltd | Construction | 2026 |
| AK Seva Limited | Health & social care | 2023 |
| AK Sky Ltd | Real estate | 2024 |
| AK Store Nottingham Limited | Wholesale & retail | 2025 |
| AK Trading 1 Ltd | Wholesale & retail | 2025 |
| AK Training and Beauty Ltd | Education | 2020 |
| AK7 Consultancy Limited | Information & communication | 2025 |
| AK9 Developments Limited | Real estate | 2021 |
| AKA - Health Wealth & Oneness CIC | Hospitality | 2020 |
| AKA Architecture Ltd | Professional & scientific | 2022 |
| AKA BUS & Coach Ltd | Wholesale & retail | 2021 |
| AKA Case Management Limited | Health & social care | 2002 |
| AKA Childcare Limited | Health & social care | 2024 |
| AKA CM Holdings Ltd | Financial services | 2021 |
| AKA Crane Hire Limited | Construction | 2009 |
| AKA Red Limited | Professional & scientific | 2022 |
| Akaliana Ltd | Health & social care | 2021 |
| Akanjiola Production Limited | Information & communication | 2019 |
| Akbar Enterprises Intl. Limited | Hospitality | 2014 |
| Akbar JAN Limited | Real estate | 2019 |
| Akbar Properties Limited | Real estate | 2021 |
| Akbargains Limited | Wholesale & retail | 2025 |
| Akbars Real Eastate Limited | Real estate | 2026 |
| Akbridgezone Limited | Wholesale & retail | 2026 |
| AKC Consultants Ltd | Professional & scientific | 2011 |
| Akcent Language Services Ltd | Professional & scientific | 2021 |
| AKD Products Ltd | Wholesale & retail | 2025 |
| Akers Capital Holdings Ltd | Real estate | 2021 |
| Akers Pritchett Ltd | Financial services | 2020 |
| Akhona Services Ltd | Hospitality | 2025 |
| Akhtar Optical Services Ltd | Health & social care | 2019 |
| Akhtars Investments Ltd | Real estate | 2026 |
| Akhter's Estates Ltd | Real estate | 2022 |
| Akhter's Limited | Professional & scientific | 2007 |
| Akhter's Properties Ltd | Real estate | 2025 |
| Akhters Accountants & Business Advisors Limited | Professional & scientific | 2025 |
| Akhters Holdings Limited | Financial services | 2025 |
| Akhunzada Lettings Ltd | Extraterritorial | 2020 |
| Akhunzada Ltd | Information & communication | 2010 |
| Akif and Sons Limited | Hospitality | 2025 |
| Akins Automatics Company Limited | Arts & recreation | 1960 |
| Akkluxe Health and Beauty Ltd | Wholesale & retail | 2023 |
| AKL Support & Services Limited | Extraterritorial | 2022 |
| Akleon Transport Ltd | Transport & logistics | 2025 |
| AKM Global Limited | Professional & scientific | 2024 |
| AKN Eyecare Limited | Health & social care | 2023 |
| AKO27 Limited | Hospitality | 2025 |
| Akotech Ltd | Professional & scientific | 2025 |
| Akramcinematics Ltd | Professional & scientific | 2025 |
| AKS Security (UK) Ltd | Administrative & support | 2012 |
| Akshara Health Solutions Ltd | Health & social care | 2024 |
| Akshara Propertypool Ltd | Real estate | 2021 |
| Akshaya Ltd | Real estate | 2022 |
| Akukpap Properties Ltd | Real estate | 2026 |
| Akvi Ltd | Wholesale & retail | 2016 |
| Akwasi & Family Ltd | Transport & logistics | 2023 |
| AKX Consultancy Limited | Financial services | 2026 |
| AL - Muhammad International Limited | Health & social care | 2019 |
| AL Azlaan Ltd | Wholesale & retail | 2025 |
| AL Bashir Ltd | Other services | 2021 |
| AL Commerce Ltd | Wholesale & retail | 2026 |
| AL Damil Ltd | Transport & logistics | 2025 |
| AL Faisal Trading Corporation Limited | Wholesale & retail | 2023 |
| AL Fareed Enterprises Ltd | Wholesale & retail | 2025 |
| AL Haatemi Trading Ltd | Wholesale & retail | 2017 |
| AL Hadab Ltd | Wholesale & retail | 2026 |
| AL Hajaj Yusuf Hamid Limited | Health & social care | 2017 |
| AL Jameel Estates Ltd | Real estate | 2026 |
| AL Nabeel Ahmed Ltd | Wholesale & retail | 2023 |