| Alignity Limited | Ilford | 2018 |
| Alignlife Ltd | London | 2023 |
| Alignlinq Ltd | Stanmore | 2025 |
| Alignme Limited | Altrincham | 2014 |
| Alignment Bridge Limited | London | 2022 |
| Alignment Consultancy Ltd | London | 2026 |
| Alignment Consultancy Services Ltd | Grange-Over-Sands | 2019 |
| Alignment Consultants Limited | Mickleton | 2010 |
| Alignment Consulting Ltd | London | 2025 |
| Alignment Cubed Ltd | Bury St Edmunds | 2024 |
| Alignment Engineering Consultants Limited | Wrexham | 2024 |
| Alignment Film Productions Limited | East Grinstead | 2024 |
| Alignment Group Ltd | London | 2020 |
| Alignment Matters Limited | Hemel Hempstead | 2025 |
| Alignment Media Ltd | Canterbury | 2023 |
| Alignment Strategies Limited | Tonbridge | 2008 |
| Alignment Triangle Coaching Limited | London | 2026 |
| Alignneficient Limited | London | 2022 |
| Alignure Ltd | London | 2025 |
| Alii Drive Ltd | Christchurch | 2026 |
| Aliif Accountants Ltd | Southall | 2016 |
| Aliimranandco Limited | Mitcham | 2012 |
| Alijus Ltd | Ilford | 2024 |
| Alik Ltd | Birmingham | 2024 |
| Alikardino Ltd | London | 2026 |
| Alikat Capital Partners Limited | Hastings | 2025 |
| Alikat Group Limited | Hastings | 2023 |
| Alikat Illumination Ltd | Liverpool | 2013 |
| Alike Solutions Limited | Potters Bar | 2010 |
| Aliko Professional Solutions Ltd | Brighton | 2019 |
| Alikozai Ltd | Wantage | 2025 |
| Alileo Media Ltd | Rye | 2024 |
| Alilia Limited | Birmingham | 2011 |
| Alim Events Ltd | Chorley | 2019 |
| Alima ALI Ltd | Barry | 2025 |
| Alimam-Hampton Limited | Bristol | 2023 |
| Alimar Consulting Services Limited | London | 2018 |
| Alimarc Limited | Bury | 2017 |
| Alimarns Ltd | Watford | 2012 |
| Alimart Limited | Stanley | 2014 |
| Alimeia Ventures Ltd | London | 2023 |
| Alimentary Therapeutics Ltd | Harrow | 2026 |
| Alimentum Limited | Bournemouth | 2010 |
| Alimentum Solutions Limited | Matlock | 2021 |
| Aliminate Limited | Southend On Sea | 2004 |
| Alimo Consultants Limited | Bath | 2019 |
| Alimol Lighting Ltd | Epping | 2021 |
| Alimst Ltd | Ventnor | 2024 |
| Alina Aesthetic Consulting Ltd | London | 2024 |
| Alina Bodae Ecosystems Ltd | London | 2026 |
| Alina Bookkeeping Limited | Stevenage | 2021 |
| Alina Care Holdings Limited | Leatherhead | 2013 |
| Alina Decoration & Designers Ltd | Middlesbrough | 2020 |
| Alina Marketing Ltd | London | 2023 |
| Alina Matiullah JAN Ltd | Salford | 2025 |
| Alina MAY Consultancy Ltd | Sunderland | 2018 |
| Alina Mirela Ancuta Limited | Romford | 2016 |
| Alina Munteanu Advisory Ltd | Northampton | 2026 |
| Alina Nechita Limited | Wigan | 2022 |
| Alina Wallace Communications Limited | Borehamwood | 2019 |
| Alinadunworth Limited | Southampton | 2025 |
| Alinat Limited | Sheffield | 2010 |
| Alinaz Civil Engineering Limited | Livingston | 2025 |
| Alinco Consultants Limited | Finchley | 2000 |
| Alinco Services Limited | St. Albans | 2012 |
| Alinda Accounting Ltd | Watford | 2024 |
| Alinda Development Ltd | London | 2022 |
| Alinda Kring Art Advisory Ltd | London | 2025 |
| Alindene Limited | Oxford | 1984 |
| Alindo Ltd | Egham | 2026 |
| Aline Design Limited | Hungerford | 2005 |
| Aline Fabrication Ltd | Halifax | 2024 |
| Aline Marketing and Communications Limited | Radcliffe | 2003 |
| Alinea Advisory Limited | Birmingham | 2018 |
| Alinea Design Studio Ltd | Barrow-In-Furness | 2021 |
| Alinea Development Limited | London | 2026 |
| Alinea International Ltd | London | 2002 |
| Alinea Law Limited | London | 2012 |
| Alinea Ltd | London | 2026 |
| Alined Limited | Stafford | 2009 |
| Alined Property Limited | Hungerford | 2009 |
| Alineo Coaching & Advisory Ltd | London | 2025 |
| Alinex Limited | Tamworth | 2025 |
| Alington Consulting Limited | Beaconsfield | 2022 |
| Alington Fsbusiness Limited | Merseyside | 2007 |
| Aliniad Ltd | Crewe | 2014 |
| Alinka Media Limited | Worthing | 2002 |
| Alinora Limited | Edgware | 2004 |
| Alinsky Limited | Taunton | 2008 |
| Alintex Limited | Glasgow | 2000 |
| Alioe Solutions Ltd | Wimborne | 2016 |
| Aliona Limited | Glasgow | 2007 |
| Alios-Pes Ltd | Bury St. Edmunds | 2025 |
| Alioth Digital Studios Ltd | London | 2023 |
| ALIOTH7 Consulting Limited | Sheffield | 2020 |
| Alioui Limited | Cardiff | 2024 |
| Aliph Accountants Ltd | Peterborough | 2023 |
| Aliport Designs Limited | Shoreham-By-Sea | 2007 |
| Alipta Blue Limited | Milton Keynes | 2025 |
| Aliquantum Energy PLC | London | 2013 |