| Albola Investments Limited | Sudbury | 2010 |
| Albolter Limited | Aberdeen | 2024 |
| Albon Construction Services Limited | Leigh-On-Sea | 2012 |
| Albon Financial Planning Ltd | Letchworth Garden City | 2024 |
| Albon Writing Solutions Limited | Rugby | 2014 |
| Albond Associates Limited | London | 2007 |
| Albonyan Ltd | London | 2025 |
| Albooto Limited | Sherborne | 2014 |
| Albor Ltd | Redhill | 2018 |
| Albos Associates Ltd | Sunderland | 2014 |
| Albos Consulting and Interpreting Ltd | Dagenham | 2021 |
| Alboski Limited | Watford | 2012 |
| Albotherm Ltd | Bristol | 2020 |
| Albotia Online Ltd | London | 2024 |
| Albourne Enterprises Limited | East Sussex | 1997 |
| Albourne Partners (International) Limited | London | 1994 |
| Albreg Services Limited | Ingatestone | 2017 |
| Albrentia Limited | Burnley | 2015 |
| Albrich Consult Limited | Watford | 2024 |
| Albright Design Limited | Basildon | 2024 |
| Albright IP Limited | Cheltenham | 2014 |
| Albright Kendrick Law Limited | London | 2023 |
| Albright Product Design Limited | Cheltenham | 2013 |
| Albright Special Limited | London | 2015 |
| Albright Surveyors Limited | Surrey | 1993 |
| Albrighton Consulting Limited | Wolverhampton | 2024 |
| Albris Group Ltd | Colchester | 2024 |
| Albro Landscaping Ltd | Wolverhampton | 2026 |
| Albruesan Ltd | London | 2022 |
| Albryn Environmental Ltd | Bristol | 2026 |
| Albtec Ltd | Chesterfield | 2018 |
| Albubay View Limited | Poole | 2020 |
| Albuhera Management Limited | Bristol | 2021 |
| Album Brands Ltd | Harpenden | 2023 |
| Album Consulting Limited | Princes Risborough | 2018 |
| Alburnum Ltd | Lewes | 2018 |
| Albury Advisory Ltd | Chorley | 2025 |
| Albury Business Consulting Limited | London | 2013 |
| Albury Consulting Limited | Ryde | 2021 |
| Albury Energy Ltd | Guildford | 2025 |
| Albury Land Management Limited | Lydney | 2025 |
| Albury Land Nominee NO.1 Limited | Lydney | 2003 |
| Albury Land Nominee NO.2 Limited | Lydney | 2003 |
| Albury Process Engineering Limited | Peterhead | 2016 |
| Albury S.I. Limited | Crowthorne | 1992 |
| Albury Vineyard Management Ltd | Guildford | 2018 |
| Albus Accounting Limited | Glasgow | 2011 |
| Albus Black Limited | London | 2026 |
| Albus Limited | Peterborough | 2007 |
| Albus Outsourcing Limited | London | 2025 |
| Albus Xeia Limited | Caldecotte | 2014 |
| Albuss Limited | London | 2013 |
| Albutt Contractors Ltd | Bedworth | 2023 |
| Albutt Holdings Limited | Gloucestershire | 2003 |
| Alby Consulting Ltd | Covent Garden | 2022 |
| Alby Talent Ltd | Horndean | 2025 |
| Albyn Associates Financial Solutions Ltd | Glasgow | 2021 |
| Albyn Bond (Airdrie) Limited | East Kilbride | 1977 |
| Albyn Consulting Services Ltd | Wick | 2025 |
| Albyn Group Ltd | Aberdeen | 2017 |
| Albyn Management Services Limited | Ballater | 2006 |
| Albyn Shop Investments Limited | Glasgow | 1972 |
| Albyn Trust Limited | | 1913 |
| Albyn Veterinary Clinic Limited | Broxburn | 2003 |
| ALC Accountancy Ltd | London | 2024 |
| ALC Accountancy Services Ltd | Saltburn-By-The-Sea | 2022 |
| ALC Accountants Limited | Liverpool | 2016 |
| ALC Associates Ltd | Stockport | 2022 |
| ALC Business Coaching Limited | Solihull | 2024 |
| ALC Consultancy Limited | Peterborough | 2024 |
| ALC Consultants Ltd | London | 2013 |
| ALC Consulting Ltd | West Byfleet | 2023 |
| ALC Digital Law Limited | London | 2020 |
| ALC Enable Ltd | Royal Victoria Docks | 2015 |
| ALC Enterprises Limited | Normanton | 2023 |
| ALC Financial Consulting Ltd | Wilmslow | 2024 |
| ALC Group Limited | London | 2017 |
| ALC Marine Services Ltd | Alnwick | 2025 |
| ALC Mechanical (Staffs) Ltd | Fulford | 2025 |
| ALC Properties Limited | Grantham | 1998 |
| ALC Recruitment Limited | London | 2018 |
| ALC Safety Services Limited | Norwich | 2016 |
| ALC Solutions Ltd | Croydon | 2025 |
| ALC Studio Ltd | London | 2020 |
| ALC Study Ltd | Sheffield | 2019 |
| ALC Translations Ltd. | Redruth | 2016 |
| ALC2805 Ltd | Dalton-In-Furness | 2013 |
| Alca & Co. Ltd | Southampton | 2012 |
| Alca Ecology Ltd | Nottingham | 2024 |
| Alcabridge BIO Consulting Ltd | London | 2025 |
| Alcadi Limited | New Milton | 2013 |
| Alcaeus Holdings Limited | Bedford | 2016 |
| Alcaeus Infrastructure Services Ltd | Crewe | 2021 |
| Alcaeus Risk and Compliance Limited | Woodford Green | 2015 |
| Alcala Engineering Ltd | Warrington | 2020 |
| Alcala Ltd | Bedlington | 2015 |
| Alcalay Consulting Ltd | Alton | 2021 |
| Alcali Ltd | Oban | 2006 |
| Alcam Associates Ltd | Ascot | 2011 |
| Alcam Engineering Ltd | Invergordon | 2026 |