| Al-Shifa Network Limited | Health & social care | 2025 |
| Al-Taj Traders Limited | Wholesale & retail | 2026 |
| Al-Taqaddum Libyan International Company for Education and Training Ltd | Education | 2026 |
| AL1948 Ltd | Hospitality | 2021 |
| ALA 786 Ltd | Hospitality | 2026 |
| Alaaide Logistic Ltd | Transport & logistics | 2025 |
| Aladdin Bakery Ltd | Manufacturing | 2022 |
| Aladdin Indian Takeaway Ltd | Hospitality | 2018 |
| Aladdin Rugs Ltd | Wholesale & retail | 2019 |
| Alaiban Group Ltd | Administrative & support | 2024 |
| Alaiban Logistics Ltd | Transport & logistics | 2026 |
| Alam Assets Ltd | Hospitality | 2022 |
| Alam Holdings Limited | Financial services | 2017 |
| Alam Investments Scotland Limited | Real estate | 2018 |
| Alamgir Ltd | Wholesale & retail | 2026 |
| Alamin Consulting Ltd | Professional & scientific | 2025 |
| Alan and Neil Mathewson Ltd | Real estate | 2023 |
| Alan Auld Roofing Ltd. | Construction | 2002 |
| Alan Bell Construction & Development Ltd | Construction | 2015 |
| Alan Beveridge Limited | Wholesale & retail | 2003 |
| Alan Blue Designs Ltd | Households | 2016 |
| Alan Boyle - Diamond Cleaners Ltd | Administrative & support | 2023 |
| Alan D Connelly Associates Ltd | Professional & scientific | 2024 |
| Alan Devine Roofing Ltd | Construction | 2018 |
| Alan Dickson Ltd | Construction | 2013 |
| Alan Edwards Hairdressing Limited | Other services | 1986 |
| Alan Ferguson Estates Limited | Real estate | 2021 |
| Alan Ferguson Limited | Construction | 2014 |
| Alan Hughes Site Services Limited | Construction | 2016 |
| Alan J Stewart Ltd | Professional & scientific | 2013 |
| Alan J. Logan Ltd. | Arts & recreation | 2002 |
| Alan James Dick Ltd | Transport & logistics | 2025 |
| Alan Locke Joiners Limited | Construction | 2004 |
| Alan Manson Grip Services Ltd | Arts & recreation | 2023 |
| Alan Mccloskey Ltd. | Arts & recreation | 2007 |
| Alan Mcguiness Joinery Ltd | Construction | 2017 |
| Alan Mchugh Limited | Arts & recreation | 2012 |
| Alan Melville Limited | Construction | 2002 |
| Alan Muir Barbers Limited | Other services | 2024 |
| Alan ORR Plumbing Ltd | Construction | 2014 |
| Alan Porter Consulting Limited | Professional & scientific | 2022 |
| Alan Strachan Personal Training Ltd | Arts & recreation | 2013 |
| Alan Thomson Contracts Limited | Construction | 2001 |
| Alan Waddell Electrical Limited | Energy | 2019 |
| Alan Waugh Limited | Arts & recreation | 2004 |
| Alan's WOK Ltd | Hospitality | 2021 |
| Alang Ltd | Wholesale & retail | 2023 |
| Alani Health Limited | Health & social care | 2024 |
| ALANI93 Ltd | Wholesale & retail | 2024 |
| Alankrit Consultancy Services Ltd | Information & communication | 2022 |
| Alarm Supplies Scotland Limited | Wholesale & retail | 1993 |
| Alaro Business LP | | 2013 |
| Alasdair Lyon Logistics Ltd | Transport & logistics | 2013 |
| Alastair Dick Tarmac Limited | Construction | 2013 |
| Alastair Macdonald & SON Ltd | Construction | 2005 |
| Alathe Investments Limited | Professional & scientific | 2012 |
| Alaya Lets Limited | Real estate | 2025 |
| Alayarabani Limited | Wholesale & retail | 2025 |
| Alayash Limited | Wholesale & retail | 2018 |
| Alaybey Limited | Real estate | 2019 |
| ALB Foods Ltd | Hospitality | 2019 |
| ALB MOT Service Centre Limited | Wholesale & retail | 2002 |
| Alba Agencies Limited | Information & communication | 1990 |
| Alba Engineering Heating & Mechanical Services Limited | Professional & scientific | 2016 |
| Alba Facilities Services Ltd. | Manufacturing | 2003 |
| Alba Forklift Training Limited | Education | 2008 |
| Alba GAS Limited | Construction | 2001 |
| Alba Innovations Limited | Wholesale & retail | 2008 |
| Alba Landscapes Ltd. | Other services | 2003 |
| Alba Letting Limited | Real estate | 1999 |
| Alba Noise and Vibration Services Ltd. | Professional & scientific | 2003 |
| Alba Office Supplies Ltd. | Wholesale & retail | 2006 |
| Alba Orbital Limited | Manufacturing | 2012 |
| Alba Ultrasound Limited | Professional & scientific | 2000 |
| Albachiara Limited | Professional & scientific | 2002 |
| Albacove Limited | Real estate | 2003 |
| Albamar Investments Ltd | Information & communication | 2022 |
| Albamill Limited | Wholesale & retail | 2000 |
| Alban Energy Limited | Energy | 2017 |
| Alban Hotel Limited | Hospitality | 2010 |
| Albany Clothing Ltd | Wholesale & retail | 2021 |
| Albany Document Solutions Limited | Information & communication | 2018 |
| Albany Fraser Limited | Professional & scientific | 2021 |
| Albany Property Consultancy Ltd | Real estate | 2020 |
| Albar Landscapes Limited | Agriculture & fishing | 1988 |
| Albaray Business Services LP | | 2016 |
| Albasense Ltd | Manufacturing | 2018 |
| Albatrans (UK) Limited | Transport & logistics | 2003 |
| Albatross Arts CIC | Education | 2020 |
| Albatross Medical Ltd | Health & social care | 2023 |
| Albec Metal Company Limited | Water & waste | 2000 |
| Albec Metal Recycling Limited | Wholesale & retail | 2024 |
| Albefel Consulting Ltd | Real estate | 2016 |
| Albeon Peak Limited | Professional & scientific | 2026 |
| Alberg LLP | | 2010 |
| Albert Bar Limited | Hospitality | 2014 |
| Albert Cross Limited | Wholesale & retail | 2007 |
| Albert Drive Properties Limited | Real estate | 2026 |
| Albert Holdings (Scotland) Ltd | Hospitality | 2024 |
| Albida Agriculture 55N Ltd | Agriculture & fishing | 2020 |