| 18 Haddow Street Ltd | Real estate | 2023 |
| 22 Consulting Ltd | Information & communication | 2014 |
| 2K3 Ltd | Professional & scientific | 2025 |
| 31 Adelphi Ltd | Households | 2026 |
| 3SIXTY Montrose Ltd | Other services | 2016 |
| 5 Star Mobility Ltd | Manufacturing | 2026 |
| 6PARK Supply Co. Ltd | Wholesale & retail | 2025 |
| 7 Sins Desserts Ltd | Hospitality | 2018 |
| A & I Roofing Ltd | Construction | 2014 |
| A & J Arbroath Ltd | Wholesale & retail | 2014 |
| A & J Colbeck Ltd | Arts & recreation | 2008 |
| A Grade Storage Ltd | Transport & logistics | 2020 |
| A J M Energy Services Limited | Mining & quarrying | 2021 |
| A Jackson Consultancy (Scotland) Ltd | Professional & scientific | 2024 |
| A Reid Support Services Ltd | Administrative & support | 2019 |
| A.Deans Trading Limited | Wholesale & retail | 2021 |
| AB Roger & Young Limited | Professional & scientific | 2014 |
| Abbey Potatoes Limited | Wholesale & retail | 2021 |
| Abbey Rose Property Ltd | Real estate | 2018 |
| Aberdeen Plumbers Ltd | Construction | 2012 |
| ABZ Property Investment Leasing Ltd | Real estate | 2011 |
| Abzco Ltd. | Real estate | 2001 |
| Abzinfo Limited | Mining & quarrying | 2005 |
| Academy Developments (Crieff) Limited | Real estate | 1993 |
| Account Tax (Scotland) Ltd | Professional & scientific | 2004 |
| Account Tax Limited | Professional & scientific | 1998 |
| Accounts Actually Ltd | Professional & scientific | 2026 |
| ACI Aviation Consultancy Ltd | Professional & scientific | 2021 |
| ACT Completions Ltd | Mining & quarrying | 2022 |
| ACW Property Rentals Limited | Real estate | 2025 |
| Adapt Property Limited | Construction | 2015 |
| Adder Cross Ltd | Information & communication | 2015 |
| Adrielian Ltd | Wholesale & retail | 2020 |
| AF Mentors Limited | Education | 2021 |
| AGG Well Services Ltd | Mining & quarrying | 2014 |
| Agile Sports Management Ltd | Arts & recreation | 2020 |
| AGM Mental Health Ltd | Health & social care | 2025 |
| Aguntech Ltd | Manufacturing | 2023 |
| AJ Kelly Joinery & Property Services Ltd | Professional & scientific | 2021 |
| AJ PMC Ltd | Professional & scientific | 2015 |
| AJ Stirling Limited | Agriculture & fishing | 2024 |
| AJ WSS Ltd | Mining & quarrying | 2017 |
| AJF Homes Limited | Construction | 2023 |
| AJS Services (Montrose) Ltd | Wholesale & retail | 2025 |
| AK (Scotland) Ltd | Administrative & support | 2024 |
| Akron Flux Limited | Information & communication | 2025 |
| Aksm Montrose Ltd | Mining & quarrying | 2018 |
| Alasdair Mcnab QS Limited | Professional & scientific | 2014 |
| Alex. Colquhoun Limited | Agriculture & fishing | 1965 |
| ALL YOU Need IS Love UK | Education | 2012 |
| Allison Joy Architects Ltd | Professional & scientific | 2018 |
| Allstar Collectable Ltd | Wholesale & retail | 2022 |
| Alpha Firm Ltd | Mining & quarrying | 2019 |
| Alpine Exclusive Limited | Administrative & support | 2022 |
| Alusis Ltd | Professional & scientific | 2019 |
| Amaranthine Drilling & Abandonment Services Limited | Administrative & support | 2005 |
| Ambor Logistics Ltd | Mining & quarrying | 2012 |
| AMG Professional Services Limited | Professional & scientific | 2024 |
| Amphibious Design Ltd | Extraterritorial | 2024 |
| Amztec Accounting Ltd | Professional & scientific | 2019 |
| Anders Relaxed Rentals Limited | Real estate | 2021 |
| Andrew Donald Roofing Ltd | Construction | 2022 |
| Andrew Duncan Ltd | Agriculture & fishing | 2002 |
| Andrew Walker Ltd | Manufacturing | 2006 |
| Andy S Hayes & Associates Ltd | Administrative & support | 2008 |
| Andy Twaddle Media Limited | Information & communication | 2020 |
| Angel for Family Ltd | Health & social care | 2020 |
| Angel Nails Studio Ltd | Other services | 2024 |
| Angus and Mearns Resources Ltd | Health & social care | 2024 |
| Angus and Mearns Support Ltd | Health & social care | 2025 |
| Angus Game Plus Limited | Agriculture & fishing | 2003 |
| Angus Insulation Ltd. | Construction | 2005 |
| Angus M Watson Ltd. | Financial services | 2008 |
| Angus Tech Ltd | Wholesale & retail | 2026 |
| Angus Yummy Limited | Hospitality | 2021 |
| Anna Thomson Ltd | Hospitality | 2014 |
| Apollo Quality Tradesman Ltd | Other services | 2025 |
| Appicab Ltd | Transport & logistics | 2023 |
| Arch Pilates Studio Ltd | Arts & recreation | 2026 |
| ARD2K85 Ltd | Wholesale & retail | 2023 |
| ASH Aesthetics Limited | Health & social care | 2022 |
| Ashbridge Music Management Limited | Information & communication | 2024 |
| Ashley and Nichola Limited | Wholesale & retail | 2020 |
| Assured Accounts Ltd | Professional & scientific | 2025 |
| Atelier MON Rois Ltd | Wholesale & retail | 2024 |
| Atlantis OIL & GAS Limited | Other services | 2011 |
| Aurora Spas Limited | Wholesale & retail | 2026 |
| Awfabmech Ltd | Mining & quarrying | 2017 |
| B R Campbell Limited | Mining & quarrying | 1998 |
| B Whitt Ltd | Mining & quarrying | 2014 |
| Bail Group Ltd | Financial services | 2025 |
| Bail Studios Limited | Professional & scientific | 2025 |
| Balmedie Subsea Ltd | Mining & quarrying | 2013 |
| Bandley Store Ltd | Administrative & support | 2010 |
| Bannerman Butcher Limited | Wholesale & retail | 2015 |
| Barka Furniture Ltd | Manufacturing | 2022 |
| Barranco Energy Ltd | Professional & scientific | 2021 |
| Barras Property Limited | Real estate | 2016 |
| Barrie Paton Construction & Rope Access Ltd | Professional & scientific | 2008 |
| BASE2 Solutions Limited | Information & communication | 2026 |