| Akhr Ltd | Derby | 2011 |
| Akhtar Accountancy Limited | Middlesex | 2005 |
| Akhtar Capital Partners Ltd | London | 2017 |
| Akhtar Developments Ltd | Birmingham | 2011 |
| Akhtar Professional Services Limited | Potters Bar | 2014 |
| Akhtar's Solutions Limited | Southall | 2013 |
| Akhter Associates Limited | Rotherham | 2012 |
| Akhter's Limited | Nottingham | 2007 |
| Akhters Accountants & Business Advisors Limited | Nottingham | 2025 |
| Akhund Consulting Limited | Hove | 2021 |
| AKI Design Ltd | Hemel Hempstead | 2025 |
| AKI Health Analytics Ltd | Leeds | 2025 |
| AKI Laboratories Limited | London | 2023 |
| Akib Ltd | Derby | 2026 |
| Akiba.Gg Ltd | Stalybridge | 2022 |
| Akibi Limited | Bury St. Edmunds | 2017 |
| Akibuki Ltd | London | 2020 |
| Akicad Services Limited | Inverurie | 2009 |
| Akida Group Limited | London | 2023 |
| Akieducation Ltd | London | 2025 |
| Akiko Design Limited | Bramley | 2012 |
| Akiko Shishido Ltd | London | 2016 |
| Akil Ikoko Ltd | Liverpool | 2025 |
| Akila Solutions Ltd | Skegness | 2023 |
| Akili International Ltd | London | 2024 |
| Akilia Limited | London | 2025 |
| Akillian Global Group Ltd | Leicester | 2025 |
| Akilma Limited | Warrington | 2018 |
| Akimbo BIO Ltd | Stanmore | 2025 |
| Akimoto Associates Limited | Winchester | 2002 |
| Akimox Health Projects Limited | London | 2013 |
| Akin Bravura Ltd | Hatfield | 2013 |
| Akin Business Constructs Ltd | London | 2018 |
| Akin Consultancy & Engineering (UK) Ltd | Palmers Green | 2017 |
| Akin Consulting Ltd | Littlehampton | 2021 |
| Akina Services Ltd | London | 2019 |
| Akinbode Associates Ltd | London | 2014 |
| Akinci Pet Care Consulting Ltd | Bournemouth | 2019 |
| Akinetics Group Limited | London | 2016 |
| Akinlolu Jekins & Co Ltd | London | 2014 |
| Akinola Akindele Ltd | Birmingham | 2021 |
| Akinova Holdings Limited | Kenilworth | 2016 |
| Akins Accountancy and Tax Consultants Ltd | London | 2014 |
| Akins and Company Limited | Luton | 2002 |
| Akinstev Limited | Harlow | 2022 |
| Akintom Global Services Limited | Casnewydd | 2026 |
| Akio Property Solutions Ltd | Wolverhampton | 2023 |
| Akira Consult Limited | Manchester | 2017 |
| Akira Enterprise Limited | Berkhamsted | 2025 |
| Akira Property Consultancy Ltd | Woodford Green | 2024 |
| Akirah Ltd | London | 2025 |
| Akiranet Ltd | Chelmsford | 2015 |
| Akis Solutions Limited | Sheffield | 2020 |
| Akis Stylianou Food Consultancy Ltd | London | 2018 |
| Akisha Consulting Ltd | Cambridge | 2015 |
| Akita Brands Limited | Watford | 2016 |
| Akita Komar Architects Ltd | London | 2023 |
| Akita Security (Solutions) Limited | Strood | 2009 |
| Akita Systems Holdings Ltd | Wrotham | 2020 |
| Akita Technical Ltd | Lisburn | 2019 |
| Akiudi Ltd | Derby | 2022 |
| Akiva Trading Limited | London | 2025 |
| Akivita Limited | Carlisle | 2024 |
| Akiyama Enterprises Limited | Tonbridge | 2016 |
| AKJ Accountancy Ltd | London | 2013 |
| AKJ Accountants Limited | London | 2010 |
| AKJ Consultancy Limited | Sutton | 2021 |
| AKJ Consulting Limited | Wallington | 2019 |
| AKJ International Ltd | Southall | 2021 |
| AKJ Merge Ltd | Oxford | 2020 |
| AKJ Planning Limited | Aberdeen | 2016 |
| AKJ Professional Services Limited | Hillingdon | 2012 |
| Akjdevelopments Ltd | London | 2025 |
| Akjnis Ltd. | Manchester | 2022 |
| AKK Accountants Limited | Ilford | 2014 |
| AKK Bookkeeping Limited | Basingstoke | 2021 |
| AKK Consultants Limited | Hatfield | 2000 |
| AKK Design Ltd | London | 2017 |
| AKK Investments (NW) Ltd | Liverpool | 2023 |
| AKK Management Consulting Limited | Livingston | 2011 |
| AKK Pinnacle Limited | Manchester | 2014 |
| AKK Solicitors Limited | London | 2020 |
| Akka Services Ltd | Bicester | 2022 |
| Akkadian Partners Ltd | London | 2019 |
| Akkadium College of Education Research and Development Limited | Rushden | 2017 |
| Akkadium Consulting Limited | Rushden | 2018 |
| Akkadium Limited | Rushden | 2017 |
| Akkari Business Solutions Ltd | Gateshead | 2017 |
| Akkedis Ltd | Bath | 2019 |
| Akkh Associates Ltd | West Bromwich | 2024 |
| Akki Aviation Services Limited | Leighton Buzzard | 2019 |
| Akkodis UK Limited | London | 2010 |
| Akkounted Limited | Dunfermline | 2019 |
| Akkounting Management Limited | Dorney Reach | 2006 |
| Akkred Limited | Bristol | 2016 |
| Akks Ltd | London | 2022 |
| Akksola Energy - Invest PLC | Wigan | 2019 |
| Akksola Energy - North Ltd | Wigan | 2019 |
| Akkub Project Consultants Limited | Enfield | 2019 |
| Akkulah Global Ltd | London | 2015 |