| A & a Bros Limited | Hospitality | 2021 |
| A & a Investments (Scotland) Ltd | Real estate | 2026 |
| A & a Mackay Brackla | Agriculture & fishing | 2013 |
| A & a Properties (Scotland) Ltd. | Real estate | 2004 |
| A & a Sheridan Limited | Construction | 2024 |
| A & a Trading Inc. Limited | Wholesale & retail | 2011 |
| A & B Advisory Ltd | Information & communication | 2025 |
| A & B Autos ( Cumbernauld ) Limited | Wholesale & retail | 2021 |
| A & B Pharmacy Ltd | Wholesale & retail | 2019 |
| A & C Fireplaces Limited | Wholesale & retail | 2023 |
| A & C Paton Consulting Limited | Health & social care | 2026 |
| A & C Rodger Engineering Ltd | Manufacturing | 2008 |
| A & D Ballantine Associates Limited | Real estate | 2019 |
| A & E Car Care (Scot) Ltd | Administrative & support | 2020 |
| A & E Investment Glasgow Limited | Real estate | 2025 |
| A & E Promotions Ltd | Administrative & support | 2025 |
| A & F Mackinnon Limited | Wholesale & retail | 2003 |
| A & G Duntocher Retirement Homes Limited | Health & social care | 2013 |
| A & G Glenburn Road NO. 1 Limited | Real estate | 2013 |
| A & G Holdco Limited | Real estate | 2013 |
| A & G Sutherland Ltd | Health & social care | 2023 |
| A & H Roofing and Cladding Ltd | Construction | 2018 |
| A & H Traders Limited | Hospitality | 2020 |
| A & I Forsyth Limited | Real estate | 2017 |
| A & J Cosgrove Ltd | Real estate | 2023 |
| A & J Couriers Ltd | Transport & logistics | 2026 |
| A & J Events Management Ltd | Construction | 2017 |
| A & J Khaira Ltd | Real estate | 2024 |
| A & J Lynn Plumbing & Heating Ltd. | Construction | 2013 |
| A & J Property Glasgow Limited | Real estate | 2020 |
| A & J Property Improvements Ltd | Construction | 2025 |
| A & J Taylor Property Limited | Real estate | 2015 |
| A & K Builders & Joiners Ltd | Construction | 2013 |
| A & L Lennon Properties Ltd | Real estate | 2017 |
| A & L Limited | Hospitality | 2012 |
| A & L Retail (Scotland) Ltd | Wholesale & retail | 2013 |
| A & L Site Fabrications Ltd. | Extraterritorial | 2004 |
| A & L Tasker Limited | Other services | 2018 |
| A & M Global Investments Limited | Real estate | 2011 |
| A & M Horizons Ltd | Information & communication | 2023 |
| A & M Larkin Properties Ltd | Real estate | 2023 |
| A & M Robinson Holdings Limited | Financial services | 2025 |
| A & M Scotland Limited | Wholesale & retail | 2020 |
| A & MCQ Cleaning Services Limited | Other services | 2022 |
| A & N Residential Properties Limited | Real estate | 2019 |
| A & O Traders Limited | Wholesale & retail | 2019 |
| A & P Corporation LP | | 2015 |
| A & P Creevy Limited | Financial services | 2026 |
| A & P Macintyre Limited | Wholesale & retail | 2002 |
| A & R Legacy Homes Ltd | Real estate | 2025 |
| A & R Restaurants Limited | Hospitality | 2018 |
| A & S Carpet Fitting Services Ltd | Construction | 2022 |
| A & S Home Design Limited | Wholesale & retail | 2015 |
| A & S Khaira Ltd | Real estate | 2020 |
| A & S Motor Mechanics Limited | Wholesale & retail | 2013 |
| A & S Retail (Scotland) Limited | Wholesale & retail | 2022 |
| A & S Trader (Scot) Ltd | Wholesale & retail | 2018 |
| A & T Industrial Supplies | | 1985 |
| A & W Electrical Co. (Glasgow) Ltd. | Construction | 2005 |
| A & Y Corporation Limited | Hospitality | 2015 |
| A & Zain Ltd | Wholesale & retail | 2020 |
| A . Wright Services Ltd | Construction | 2022 |
| A 2 Z Bodyshop Limited | Wholesale & retail | 2020 |
| A a Brothers Limited | Real estate | 2010 |
| A a Interpreting Service Ltd | Professional & scientific | 2021 |
| A a Private Hire Car Limited | Transport & logistics | 2024 |
| A a Property Maintenance Ltd | Professional & scientific | 2019 |
| A a W Consultancy Ltd | Other services | 2023 |
| A Alexander Mechanical Ltd | Extraterritorial | 2011 |
| A ALI Trading Limited | Wholesale & retail | 2025 |
| A and G Leisure Ltd | Hospitality | 2026 |
| A and R Barbers Ltd | Other services | 2023 |
| A Aran's Scot Ltd | Real estate | 2013 |
| A B Carpenters (Glasgow) Limited | Construction | 2001 |
| A B Catering Maintenance Limited | Manufacturing | 2007 |
| A B Kitchens & Joiners Limited | Construction | 2016 |
| A B T Machine Tools & Tooling Limited | Wholesale & retail | 1999 |
| A B Worldwide Consulting Ltd | Information & communication | 2025 |
| A Balfour Property Rentals Ltd | Real estate | 2025 |
| A Better Whey Ltd | Arts & recreation | 2023 |
| A Bickerton Plasterers Limited | Construction | 2025 |
| A Blair-Campbell Ltd | Real estate | 2023 |
| A Brown Drainage Services Ltd | Water & waste | 2021 |
| A Bulloch & Company Limited | Professional & scientific | 2016 |
| A C Black & SON (Hauliers) Ltd. | Transport & logistics | 2007 |
| A C Mackie Ltd | Wholesale & retail | 2018 |
| A C Shaw Properties Ltd | Real estate | 2022 |
| A C Whyte & Co Limited | Construction | 1973 |
| A Cameron (Bookbinders) Ltd | Manufacturing | 2009 |
| A Canadian in Europe Ltd | Administrative & support | 2007 |
| A Carroll Double Glazing Limited | Construction | 2008 |
| A Cars Bros Ltd | Wholesale & retail | 2023 |
| A Clark Property Ltd | Real estate | 2024 |
| A Coll Limited | Professional & scientific | 2013 |
| A Couple of Cooks Ltd | Hospitality | 2026 |
| A CUT Above (Kilmarnock) Limited | Other services | 2018 |
| A CUT Above Garden Maintenance Ltd | Administrative & support | 2021 |
| A D a Acquisitions Limited | Wholesale & retail | 2004 |
| A D Associates (Property) Ltd | Real estate | 2021 |
| A D Firewood Supplies Ltd | Agriculture & fishing | 2024 |