| Albro Door Systems Limited | Newport | 2002 |
| Albro Systems Ltd | Eastleigh | 2017 |
| Albrough Homes Limited | Stockton-On-Tees | 2015 |
| Albson Investments Ltd | Great Notley | 2006 |
| Albss Building Services Ltd | London | 2025 |
| Albstar Development Ltd | Nottingham | 2019 |
| Albtik Ltd | London | 2025 |
| Albu Construction Ltd | Luton | 2025 |
| Albu GSG Construction Limited | Romford | 2020 |
| Albu Services Limited | Luton | 2024 |
| Albukitchens Limited | Enfield | 2023 |
| Albulena Group Ltd | London | 2025 |
| Alburj Ltd | London | 2024 |
| Alburn Renovations Limited | Manchester | 2022 |
| Albury Building Services Ltd | Ware | 2014 |
| Albury Carpentry and Construction Limited | Cheshunt | 2011 |
| Albury Constructions Ltd | Barnet | 2016 |
| Albury Electrical Services Limited | Ware | 1983 |
| Albury Group Limited | Aldenham | 2016 |
| Albury Holdings Limited | Guildford | 2020 |
| Albury Homes Inc Limited | Tonbridge | 2020 |
| Albury Interiors Ltd | Harlow | 2024 |
| Albury Properties Limited | Leeds | 1962 |
| Albury Road Ltd | Woking | 2024 |
| Albus John Willow Company Limited | Basildon | 2026 |
| Alby Electrical Limited | Liverpool | 2024 |
| Alby's Plastering Limited | Peterborough | 2021 |
| Albyn CRT Limited | Banchory | 2020 |
| Albyn Design & Build Ltd | Aberdeen | 2016 |
| Albyn Solutions Limited | Edinburgh | 2004 |
| ALBYN21 Development Ltd | Alloa | 2021 |
| Albyns Special Projects NO. 1 Limited | London | 2019 |
| Albyoot Ltd | Perivale | 2024 |
| ALC Builders Limited | Eastbourne | 2024 |
| ALC Building Co Ltd | Hartlepool | 2021 |
| ALC Building Services Ltd | Colchester | 2018 |
| ALC Carpentry & Construction Ltd | Ipswich | 2020 |
| ALC Construction and Development Limited | Beverley | 2012 |
| ALC Construction Ltd | Doncaster | 2022 |
| ALC Design & Developments Ltd | Portsmouth | 2022 |
| ALC Development Ltd | Lutterworth | 2017 |
| ALC Earthworks Ltd | Worcester | 2021 |
| ALC Home Solutions Limited | Harrogate | 2025 |
| ALC Interior Design Limited | Loughborough | 2003 |
| ALC Interiors Limited | Wiltshire | 2002 |
| ALC Mechanical Services Ltd | Radstock | 2026 |
| ALC Norfolk Ltd | Hunstanton | 2006 |
| ALC Plastering Ltd | Portsmouth | 2026 |
| ALC Plumbing Limited | Ware | 2013 |
| ALC Projects Ltd | Manchester | 2013 |
| ALC Property Maintenance Ltd | Morecambe | 2023 |
| ALC Roofing & Construction Ltd | Lee-On-The-Solent | 2020 |
| ALC Roofing Ltd | Blackpool | 2022 |
| ALC Signature Project Ltd | Ruislip | 2025 |
| ALC Systems Ltd | Wakefield | 2023 |
| Alca Consultancy Ltd | Brentford | 2021 |
| Alca Group T/A EMD Group Ltd | Sidcup | 2025 |
| Alcami DB Ltd | Ayr | 2025 |
| Alcan Construction Ltd | Upminster | 2009 |
| Alcan Contracts Ltd | Glasgow | 2025 |
| Alcarst Decorating Ltd | High Peak | 2020 |
| Alcat Water Services Limited | South Lanarkshire | 2001 |
| Alcec Construction Ltd | Oldbury | 2024 |
| Alcedo Shipping Limited | London | 2012 |
| Alcema Construction Limited | Droitwich | 2023 |
| Alcema Ltd | Droitwich | 2016 |
| Alcester Builders Limited | Tamworth | 2025 |
| Alcester Commercial Limited | Coventry | 2024 |
| Alcester Construction Limited | Alcester | 2024 |
| Alcester Developments Limited | Birmingham | 2026 |
| Alcester Energy Limited | Alcester | 2023 |
| Alcester Major Builds Limited | Alcester | 2024 |
| Alcester Resource Solutions Limited | Orpington | 2026 |
| Alcester Street (Digbeth) Limited | London | 2020 |
| Alchami Real Estate Ltd | Bradford | 2024 |
| Alchard Limited | | 1985 |
| Alchemi Design Limited | Oldham | 2004 |
| Alchemi Floor Sanding Plus Ltd | London | 2026 |
| Alchemic Plastering Ltd | London | 2024 |
| Alchemise Estate Charlie Ltd | London Colney | 2024 |
| Alchemist Coatings Ltd | London | 2022 |
| Alchemist Floor Sanding Ltd | London | 2021 |
| Alchemy (1480) Limited | Stamford | 1999 |
| Alchemy Build Limited | London | 2021 |
| Alchemy Business Services Limited | Rushden | 1998 |
| Alchemy Business Ventures Limited | Brierley Hill | 2014 |
| Alchemy Construction Limited | Skipton | 2009 |
| Alchemy Construction London Limited | Croxted | 2020 |
| Alchemy Construction Solutions Ltd | Walsall | 2007 |
| Alchemy Contracting Ltd | Pulborough | 2021 |
| Alchemy Design and Build Limited | London | 2012 |
| Alchemy Electrical Contractors Limited | Halesowen | 2018 |
| Alchemy Garage Doors Limited | Devon | 2006 |
| Alchemy Home Improvements Ltd | Norwich | 2024 |
| Alchemy Land & Developments Ltd | Gloucester | 2025 |
| Alchemy Microcement Limited | Harrogate | 2024 |
| Alchemy New Homes Limited | Steyning | 2021 |
| Alchemy Plant & Contracting Ltd | Oban | 2011 |
| Alchemy Projects South West Ltd | Bristol | 2018 |
| Alchemy Properties Developments Limited | London | 2006 |