| A&M Indian Buffet Limited | Hospitality | 2017 |
| A&M Interiors Ltd | Wholesale & retail | 2013 |
| A&M Iternational Limited | Wholesale & retail | 2025 |
| A&M Joseph Ltd | Real estate | 2021 |
| A&M Property 1 Limited | Real estate | 2020 |
| A&M Property Group Developments Ltd | Households | 2026 |
| A&M UK Properties Ltd | Real estate | 2017 |
| A&N G51 Retail Ltd | Wholesale & retail | 2025 |
| A&N G51 UK Ltd | Other services | 2025 |
| A&N Mathewson Ltd | Hospitality | 2023 |
| A&N Moneytree Ltd | Wholesale & retail | 2025 |
| A&O Innovations Ltd | Manufacturing | 2025 |
| A&P Beds Ltd | Manufacturing | 2025 |
| A&P Gizzi Limited | Hospitality | 2010 |
| A&R Brothers Ltd | Wholesale & retail | 2015 |
| A&R GAS Heating & Plumbing Services Ltd | Construction | 2022 |
| A&R Plastering & Roughcasting Ltd | Construction | 2023 |
| A&R Pro Talent Ltd | Administrative & support | 2025 |
| A&S ALL Services Ltd | Manufacturing | 2018 |
| A&S Couriers Ltd | Transport & logistics | 2025 |
| A&S Rolls Glasgow Ltd | Hospitality | 2026 |
| A&S Tint Ltd | Wholesale & retail | 2024 |
| A&S Vejandla Limited | Wholesale & retail | 2023 |
| A&Saids Ltd | Wholesale & retail | 2023 |
| A&T Grocer Ltd | Wholesale & retail | 2023 |
| A&Y Capital Ltd | Real estate | 2023 |
| A&Y Entertainment Limited | Arts & recreation | 2018 |
| A&Y Global Limited | Wholesale & retail | 2026 |
| A&Z Property Solutions Ltd | Real estate | 2020 |
| A&Z Sourcing Ltd | Wholesale & retail | 2024 |
| A-360 Data Ltd | Information & communication | 2022 |
| A-A Freelance Limited | Professional & scientific | 2023 |
| A-A-S-S Limited | Information & communication | 2025 |
| A-Cubed Design Ltd. | Professional & scientific | 2005 |
| A-Dot Events & Publications Ltd | Information & communication | 2026 |
| A-Grip Systems Limited | Wholesale & retail | 2017 |
| A-Ndt Inspections Limited | Professional & scientific | 2015 |
| A-Side Studios Limited | Information & communication | 2008 |
| A-Team Fintech Consultants Limited | Information & communication | 2022 |
| A-Z Eshop Ltd | Wholesale & retail | 2016 |
| A-Z Foods Wholesale Limited | Wholesale & retail | 2025 |
| A-Z Landscaping& Construction Ltd | Administrative & support | 2025 |
| A-Z Little Essentials Limited | Wholesale & retail | 2017 |
| A-Z Media Marketing Ltd | Professional & scientific | 2026 |
| A-Z Properties (Scot) Ltd | Real estate | 2019 |
| A. & E. Ceresa Limited | Real estate | 1973 |
| A. & P. Steven Limited | Professional & scientific | 1922 |
| A. Alexander Group Ltd | Financial services | 2024 |
| A. Aschaber Ltd | Health & social care | 2024 |
| A. Brown & Co. (Chair Frames), Limited | Real estate | 1954 |
| A. DE Cecco, Limited | Construction | 1938 |
| A. Donald Limited | Wholesale & retail | 1972 |
| A. Gillespie Associates Limited | Information & communication | 2001 |
| A. I. a. a. Enterprise Ltd | Wholesale & retail | 2022 |
| A. J. Johnstone & Co. Limited | Professional & scientific | 1985 |
| A. Kilna Limited | Wholesale & retail | 1996 |
| A. Links & Company, Limited | Arts & recreation | 1938 |
| A. Macgregor (Allanfauld) Limited | Agriculture & fishing | 1991 |
| A. Marshall Tree Services Limited | Agriculture & fishing | 2015 |
| A. P. Analytical LLP | | 2012 |
| A. S Weddings & Events Limited | Wholesale & retail | 2021 |
| A. Steel & SON Contracts Limited | Construction | 1991 |
| A. Vanni (Mauchline) Limited | Hospitality | 2011 |
| A. Wyllie Services Ltd. | Administrative & support | 2002 |
| A.& B. Brown Building Services Limited | Construction | 2009 |
| A.A&Yt Limited | Wholesale & retail | 2024 |
| A.A. Podiatry Limited | Health & social care | 2003 |
| A.A. Stuart & Sons (Contractors) Limited | | 1948 |
| A.A.D Joinery Ltd | Construction | 2023 |
| A.A.Malik Ltd | Real estate | 2024 |
| A.A.S.K Heating Services Ltd | Construction | 2018 |
| A.A.Solution X1 Ltd | Construction | 2022 |
| A.A.T. Const. Ltd | Construction | 2025 |
| A.B. Insulation Ltd | Professional & scientific | 2026 |
| A.B. Survey & Inspection Limited | Professional & scientific | 2007 |
| A.B.G. (Continental( Restaurants Limited | Real estate | 1970 |
| A.B.S. Corporate LP | | 2015 |
| A.C. Diagnostics Ltd | Health & social care | 2019 |
| A.C. Linen & Laundry Services Limited | Other services | 2018 |
| A.C. Tours Scotland Limited | Administrative & support | 2022 |
| A.C.A Delivery Ltd | Transport & logistics | 2025 |
| A.C.C. Packaging Ltd. | Administrative & support | 2003 |
| A.C.E Property Scotland Ltd | Real estate | 2023 |
| A.C.E.D I.T Ltd | Construction | 2023 |
| A.C.N. International Limited | Professional & scientific | 2005 |
| A.C.S Group North Ltd | Manufacturing | 2017 |
| A.D. Maclean Ltd. | Professional & scientific | 2010 |
| A.D. Weinman & Co. Limited | Wholesale & retail | 2014 |
| A.D.M. Associates (Glasgow) Limited | Real estate | 2003 |
| A.F.S Finnieston Ltd | Other services | 2021 |
| A.F.S Glasgow Ltd | Hospitality | 2018 |
| A.F.S. Property Services Ltd. | Energy | 2003 |
| A.Frost Electrical Ltd | Construction | 2025 |
| A.G. Barr Capital Partner Limited | Financial services | 2013 |
| A.G. Barr General Partner Limited | Financial services | 2013 |
| A.G. Cowan Limited | Hospitality | 1971 |
| A.G. Glamour Limited | Other services | 2012 |
| A.G.Gas-Tek Ltd | Administrative & support | 2009 |
| A.G.N. Constructions Limited | Construction | 1995 |
| A.G.S Govan Ltd | Hospitality | 2025 |