| 17B Logie Road Causewayhead Limited | Construction | 2023 |
| 1951 Group Holdings Limited | Financial services | 2021 |
| 1ST Supplies (Scotland) Ltd. | Wholesale & retail | 2005 |
| 36FIVE a Side Ltd | Arts & recreation | 2013 |
| 40SECONDS Ltd | Professional & scientific | 2020 |
| 70/90NIGHTS Ltd | Hospitality | 2024 |
| 75 Business Solutions Ltd | Professional & scientific | 2025 |
| 76 IT Consulting Limited | Professional & scientific | 2007 |
| 9AM Media Ltd | Professional & scientific | 2024 |
| A & E Safety Services Ltd | Professional & scientific | 2024 |
| A & G Financial Planning (Holdings) Limited | Financial services | 2026 |
| A Bright Place Ltd | Health & social care | 2024 |
| A Galloway Limited | Administrative & support | 2019 |
| A M Hall Management Limited | Administrative & support | 2009 |
| A&G Financial Planning Limited | Professional & scientific | 2020 |
| A. and B. Millar Limited | Wholesale & retail | 2004 |
| AAM Consultancy Limited | Professional & scientific | 2024 |
| Aanda Labs Limited | Information & communication | 2025 |
| Aanda Supplies and Imports Limited | Wholesale & retail | 2025 |
| Aankhdoc Limited | Health & social care | 2023 |
| Aarticus Limited | Information & communication | 2026 |
| Abby Technologies Ltd | Information & communication | 2025 |
| Aberdeen Rope Access Solutions Ltd | Construction | 2021 |
| Abfiyas Care Ltd | Health & social care | 2013 |
| Abridge Consulting Solutions Ltd | Professional & scientific | 2024 |
| Abronhill Project Services Ltd | Professional & scientific | 2013 |
| Academy Guardian Limited | Real estate | 2021 |
| Academy House Education Limited | Other services | 2015 |
| Achiltibuie Bagpipe Specialists Ltd | Wholesale & retail | 2015 |
| Actv Sports Ltd | Extraterritorial | 2018 |
| Acumenica Group Ltd | Professional & scientific | 2018 |
| Acute Trading Limited | Wholesale & retail | 2021 |
| AD Property Professionals Limited | Real estate | 2016 |
| AD Roofing and Property Maintenance Ltd | Construction | 2025 |
| ADF Engineering Ltd | Professional & scientific | 2013 |
| Adgbenfash Consulting Limited | Information & communication | 2010 |
| Africa Scotland Business Network Ltd | Professional & scientific | 2019 |
| AG First Solutions Ltd | Professional & scientific | 2022 |
| Agile Project Controls Ltd | Professional & scientific | 2023 |
| Airagri Limited | Administrative & support | 2002 |
| Aitchison Manufacturing Projects Ltd | Information & communication | 2022 |
| Aitken Financial Services Ltd | Financial services | 2021 |
| AJ Dance Centre Ltd | Arts & recreation | 2018 |
| AJ Glass & Glazing Ltd | Construction | 2017 |
| AJ Scott Ltd. | Hospitality | 2010 |
| Alain Baxter Sports Limited | Arts & recreation | 2009 |
| Alaya Foods Limited | Hospitality | 2025 |
| Albany Residential Properties Ltd | Real estate | 2017 |
| Aleale Transport Ltd | Transport & logistics | 2018 |
| Alexanders Associates (Scotland) Ltd. | Financial services | 1993 |
| ALL Over Foods Ltd | Hospitality | 2019 |
| Allan Robertson Ltd | Wholesale & retail | 2024 |
| Allardes Projects Ltd | Professional & scientific | 2021 |
| Alloa Glazing Ltd | Extraterritorial | 2025 |
| Alltruck Crane Repairs & Sales Ltd | Manufacturing | 2014 |
| Alltruck Group Ltd | Wholesale & retail | 2017 |
| Almond Convenience Store Limited | Wholesale & retail | 2020 |
| Alpha Equities Limited | Real estate | 2007 |
| Altitude Thinking Limited | Water & waste | 2018 |
| AMA Software Limited | Information & communication | 2007 |
| ANE Homes Ltd | Real estate | 2022 |
| Angela Moffat Ltd | Administrative & support | 2024 |
| Antonine IM Holdings Ltd | Financial services | 2019 |
| Appinica Limited | Information & communication | 2017 |
| Applied Irrigation Limited | Construction | 2006 |
| Applus UK Ltd | Professional & scientific | 2002 |
| AR 4 Construction Ltd | Construction | 2017 |
| Arbuckle Contractors & Plant Hirers Ltd. | Administrative & support | 2002 |
| Arcadian Actuarial Ltd. | Administrative & support | 2009 |
| Arche Practice Ltd | Professional & scientific | 2026 |
| Ardloch Ltd | Professional & scientific | 2018 |
| Ardmair Bay Associates Ltd | Professional & scientific | 2020 |
| Argomas Ltd | Professional & scientific | 2013 |
| Arinsdale Limited | Manufacturing | 1986 |
| Arrundale Consulting Ltd | Professional & scientific | 2025 |
| ARTIFICIA1 Ltd | Information & communication | 2025 |
| Artistic Plastering Ltd | Construction | 2023 |
| Ashers Ice Cream Limited | Manufacturing | 2008 |
| Ashton West Limited | Professional & scientific | 2015 |
| Aspen Building Services Limited | Construction | 2016 |
| AST Global Sourcing Limited | Wholesale & retail | 2020 |
| Astute Fire Consultancy Ltd | Professional & scientific | 2025 |
| Atman Aviation Services Ltd | Transport & logistics | 2020 |
| Atrium Estate and Letting Agents Limited | Real estate | 2018 |
| Atrium Lettings Ltd | Real estate | 2022 |
| Aubergine Engineering Limited | Administrative & support | 2016 |
| Audyt Ltd | Information & communication | 2023 |
| Autoems Injection Specialist Ltd | Manufacturing | 2025 |
| Avon Hotels Limited | Administrative & support | 2018 |
| Avonbank Developments Limited | Construction | 2025 |
| Avonvalley Homes Ltd | Construction | 2021 |
| Axfab Services Ltd | Professional & scientific | 2013 |
| AYT Foodies Ltd | Hospitality | 2026 |
| B4 Auto Parts Ltd | Wholesale & retail | 2023 |
| Baha JB Company Ltd | Transport & logistics | 2024 |
| Balfarg Developments Ltd | Construction | 2022 |
| Barr Lifting Ltd | Construction | 2025 |
| Barrier-Matters Limited | Professional & scientific | 2013 |
| Basi Property Investments Limited | Real estate | 2025 |
| BBK FRC Limited | Construction | 2025 |