| Akmc Investments Ltd | Belfast | 2024 |
| Akme Group Ltd | Chorley | 2023 |
| Akmita Investments Ltd | London | 2026 |
| Akmj Holdings Ltd | Brighton | 2019 |
| AKN Developments Ltd | Chelmsford | 2026 |
| AKN Enterprises Limited | Buckingham | 2024 |
| AKN Group Holdings Limited | Derby | 2025 |
| Aknv Investment Ltd | Bristol | 2021 |
| AKO Capital Management Limited | London | 2005 |
| AKO Consultancy Ltd | Cardiff | 2011 |
| Akob Group Ltd | Hornchurch | 2019 |
| Akody Ltd | Macclesfield | 2013 |
| Akofs UK Operations Ltd | London | 2025 |
| Akol Accounting & Financial Services Limited | Purfleet | 2003 |
| Akomolafe Holdings Limited | Sible Hedingham | 2022 |
| Akoni Group Holdings Limited | Harrow | 2025 |
| Akonjang & Associates Limited | London | 2017 |
| Akonvill Ltd | London | 2024 |
| Akordi Holdings (UK) Limited | London | 2026 |
| Akoris Trading Limited | Cambridge | 2012 |
| Akorllc Limited | London | 2025 |
| Akosh Groups Limited | Romford | 2023 |
| Akosua Consulting Limited | London | 2014 |
| Akotia Holdings Limited | Chelmsford | 2023 |
| Akounts Limited | Newburgh | 2010 |
| Akoya Bidco Limited | London | 2019 |
| Akoya Reitco Limited | London | 2019 |
| AKP Property Investments Ltd | Herne Bay | 2024 |
| Akpan Holdings Ltd | London | 2025 |
| Akpc Ltd | Reading | 2024 |
| Akpm Holdings Limited | Newcastle-Under-Lyme | 2021 |
| Akpro Holdings Ltd | London | 2025 |
| AKR Business Finance Limited | Flint | 2015 |
| AKR Holdco Ltd | London | 2025 |
| AKR Insurance Services Limited | Bedworth | 2011 |
| AKR Wealth Management Ltd | Rotherham | 2017 |
| AKR118 Ltd | Swindon | 2025 |
| AKR27 Services Limited | London | 2023 |
| Akram & Co Investments Ltd | Manchester | 2023 |
| Akram Enterprises Ltd | West Street | 2025 |
| Akram Invest Co Limited | Gateshead | 2025 |
| Akram London UK Limited | London | 2023 |
| Akramatic Engineering Co. Holdings Limited | Alfreton | 2025 |
| Akrasi Marketing and Design Ltd | Birmingham | 2022 |
| Akrg Holdings Ltd | Wellingborough | 2026 |
| Akris Strategic Holdings Ltd | London | 2026 |
| Akro Holding Limited | London | 2023 |
| Akron Holdings Limited | West Midlands | 2024 |
| Akrosco Ltd | Dagenham | 2026 |
| Akroyd and Smithers Ltd | Shrewsbury | 2020 |
| Akroyd Family Investment Company Limited | Ashford | 2018 |
| AKS Advisers International Limited | London | 2021 |
| AKS Advisory Limited | London | 2023 |
| AKS Broker Limited | Manchester | 2025 |
| AKS Capital Holdings Ltd | Bolton | 2024 |
| AKS Development Services Limited | Birmingham | 2021 |
| AKS Financial Consultancy Limited | Ruthin | 2012 |
| AKS Holdco Limited | London | 2025 |
| AKS Mortgages Ltd | Coventry | 2026 |
| AKS Wealth Limited | London | 2024 |
| AKS28 Ltd | Dartford | 2011 |
| Aksana Ltd | Pinner | 2015 |
| Akscm Group Limited | Sheffield | 2026 |
| Akshar Asset Investments Limited | Pinner | 2025 |
| Akshar Financial Services Ltd | Middlesex | 2006 |
| Akshar Inc Limited | London | 2019 |
| Akshar Mortgage Solutions Limited | Pinner | 2019 |
| Akshay Enterprises Ltd | Leamington | 2023 |
| Aksia Europe Limited | London | 2009 |
| Aksk Group Ltd | Leeds | 2022 |
| Aksm Group Limited | Liverpool | 2025 |
| Aksons Investments Ltd | Reading | 2015 |
| Aksum Capital Partners Ltd | London | 2019 |
| AKT Inclusive Finance Ltd | London | 2026 |
| Akta Holding Ltd | London | 2025 |
| Aktar ALI Ltd | Newcastle Upon Tyne | 2018 |
| Aktar at Home Limited | Birmingham | 2020 |
| Aktieselskabet MT Holding Limited | Sudbury | 2019 |
| Aktis International UK Limited | London | 2024 |
| Aktiv Kapital Portfolio I Limited | Kington | 2026 |
| Aktivedge Solutions Limited | Richmond | 2017 |
| Aktuate Holdings Limited | Kensington | 2019 |
| Akueson Global Ltd | London | 2025 |
| Akuji Enterprise Limited | London | 2023 |
| Akul Properties Holdings Ltd | London | 2024 |
| Akula Capital Holdings Ltd | London | 2026 |
| Akula Group Limited | Wetherby | 2022 |
| Akula Holdings Limited | Harrogate | 2023 |
| Akula Partnership Limited | Great Chesterford | 2020 |
| Akumar Enterprises Limited | Fareham | 2024 |
| Akuna Limited | London | 2022 |
| Akuna Space Limited | London | 2025 |
| Akur Limited | London | 2010 |
| Akura Capital Limited | London | 2017 |
| Akurate Management Company Limited | Salford | 2016 |
| Akureyri Holdings Limited | London | 2024 |
| Akureyri Limited | Harrow | 2017 |
| Akuz Ltd | Blackburn | 2024 |
| AKV Group Ltd | Shildon | 2015 |
| AKV Holdco Limited | Shildon | 2025 |