| A & Z Corporations Ltd | Wholesale & retail | 2024 |
| A 2 Z Physio Ltd | Arts & recreation | 2012 |
| A Allan Services Ltd | Wholesale & retail | 2022 |
| A and a Auto Centre Ltd | Wholesale & retail | 2024 |
| A C Sharp Heating Ltd | Construction | 2023 |
| A Crew Nutrition, Coaching & Management Services Ltd | Arts & recreation | 2025 |
| A Davidson Financial Limited | Financial services | 2022 |
| A Forbes Property Ltd | Real estate | 2024 |
| A H & Co Dundee Limited | Wholesale & retail | 2015 |
| A Hills Offshore Services Ltd | Manufacturing | 2026 |
| A J Bremner Construction Ltd | Construction | 2015 |
| A J Neilson Enterprises Ltd | Hospitality | 2016 |
| A J Neilson Subsea Consultancy Limited | Mining & quarrying | 2012 |
| A L Dickson Consulting Limited | Professional & scientific | 2026 |
| A Little Wayward Ltd | Information & communication | 2025 |
| A M Joiners East Limited | Construction | 2014 |
| A M Q Properties Ltd | Real estate | 2015 |
| A R Waste Consulting Limited | Professional & scientific | 2010 |
| A S Dundee Properties Ltd | Real estate | 2025 |
| A&B Building Solutions Limited | Construction | 2024 |
| A&B Joiners Ltd | Construction | 2017 |
| A&C Kennedy Properties Limited | Administrative & support | 2009 |
| A&E Food Ltd | Hospitality | 2022 |
| A&I Food Ltd | Hospitality | 2019 |
| A&J Autos Dundee Ltd | Wholesale & retail | 2023 |
| A&Jd Taxis Ltd | Other services | 2020 |
| A&K Auto Repairs & MOT Test Centre Limited | Wholesale & retail | 2018 |
| A&M Dundee Ltd | Wholesale & retail | 2023 |
| A&M Letting Services Ltd | Real estate | 2024 |
| A&S Family Store Ltd | Wholesale & retail | 2025 |
| A&Tn Properties Ltd | Real estate | 2024 |
| A&Y Dundee Limited | Other services | 2026 |
| A&Z Joinery & Property Services Ltd | Construction | 2025 |
| A-Class Glass and Joinery Ltd | Construction | 2019 |
| A-Z Universal Limited | Agriculture & fishing | 2024 |
| A. & J. (Maintenance Support) Limited | Construction | 1982 |
| A. Cook Limited | Real estate | 1940 |
| A. Kelly Limited | Wholesale & retail | 1982 |
| A.A. Domestic Repairs & Services Ltd | Other services | 2019 |
| A.B. Foods (Dundee) Ltd | Hospitality | 2019 |
| A.C. Survey Services Limited | Professional & scientific | 1991 |
| A.C.Nicoll Blacksmiths Ltd. | Administrative & support | 2007 |
| A.G. Lowrie Limited | Health & social care | 2014 |
| A.I.M Autosales Ltd | Wholesale & retail | 2025 |
| A.I.M Products Ltd | Wholesale & retail | 2021 |
| A.K.L.A. Investments Limited | Professional & scientific | 1978 |
| A.M Autospray Ltd | Wholesale & retail | 2022 |
| A.O.K Drilling Ltd | Mining & quarrying | 2014 |
| A.P.D. Properties (Dundee) Ltd | Real estate | 2020 |
| A.R.G.O Global Solutions Ltd | Construction | 2013 |
| A1 Amusement Services Limited | Arts & recreation | 2015 |
| A1 Cabs Dundee Ltd | Transport & logistics | 2025 |
| A1 Kilt Hire Limited | Wholesale & retail | 2012 |
| A1 Signs Ltd | Manufacturing | 2023 |
| A1 Wholesalers Ltd | Wholesale & retail | 2023 |
| A2B Cabs Ltd | Transport & logistics | 2025 |
| A2B Taxis Ltd | Transport & logistics | 2025 |
| A2Z Properties Dundee Ltd | Real estate | 2024 |
| A4 Consultancy Services Ltd | Information & communication | 2018 |
| A4 Design & Print Ltd. | Manufacturing | 2002 |
| AA Dental Services (Scotland) Limited | Health & social care | 2014 |
| AA Enterprising Ltd | Wholesale & retail | 2024 |
| Aa-Force Ltd | Wholesale & retail | 2021 |
| AA52 Limited | Hospitality | 2013 |
| Aabalree Limited | Hospitality | 2009 |
| Aabee Limited | Wholesale & retail | 2018 |
| AAD Contractors Ltd | Transport & logistics | 2024 |
| Aaha Solutions Ltd | Real estate | 2022 |
| Aals Medical Services Limited | Health & social care | 2015 |
| Aams Contract Services Ltd | Construction | 2014 |
| AAP Contracts Limited | Construction | 2011 |
| AAP Plumbing Ltd | Construction | 2011 |
| AAP Properties Ltd | Real estate | 2016 |
| Aapna Spice Limited | Hospitality | 2012 |
| Aapv Group Ltd | Professional & scientific | 2025 |
| Aarraa Consultants Limited | Administrative & support | 2016 |
| AB Controls Ltd. | Information & communication | 2008 |
| AB15 Consultants Ltd | Professional & scientific | 2024 |
| Abaan Foods Ltd | Hospitality | 2019 |
| Abacus Agents Limited | Wholesale & retail | 1991 |
| Abandon Ship Apparel Limited | Wholesale & retail | 2015 |
| Abaton Estate LP | | 2017 |
| ABB Auto Solutions Limited | Wholesale & retail | 2025 |
| Abba Gate Limited | Manufacturing | 2016 |
| Abbi Taxis Ltd | Transport & logistics | 2020 |
| Abbie Mckee Photography Limited | Professional & scientific | 2025 |
| Abbio Ltd | Professional & scientific | 2020 |
| Abbotsford IP Limited | Construction | 2019 |
| ABC Building & Landscapes Ltd | Administrative & support | 2026 |
| ABC Investments(Dundee) Ltd | Administrative & support | 2020 |
| ABC3 Limited | Professional & scientific | 2006 |
| Abcs Solutions Limited | Information & communication | 2021 |
| Abel Plastering Ltd | Construction | 2022 |
| Aberakis Limited | Real estate | 2026 |
| Abercon IT Limited | Professional & scientific | 2013 |
| Abercrombie Properties Ltd | Households | 2025 |
| Aberdeen Asset Managers Ltd | Real estate | 2025 |
| Aberdeen College of Performing Arts Limited | Education | 2026 |
| Aberdeen Consultancy Ltd | Mining & quarrying | 2008 |
| Aberdeen Floor Sanding Limited | Other services | 2016 |