| 101 Consulting Ltd | Information & communication | 2014 |
| 1301 Autos & Repairs Ltd | Professional & scientific | 2025 |
| 19 Properties Ltd | Real estate | 2023 |
| 2 Bros Realty Group Ltd | Real estate | 2025 |
| 2 Good Whitburn Ltd | Hospitality | 2023 |
| 21CC Events Limited | Arts & recreation | 2014 |
| 21CC Fireworks Limited | Arts & recreation | 2014 |
| 21CC Group Limited | Arts & recreation | 2012 |
| 21CC Hire Limited | Administrative & support | 2022 |
| 21CC Productions Limited | Arts & recreation | 2018 |
| 21CC Pyrotechnics Limited | Arts & recreation | 2014 |
| 24/7 Haulage Services Ltd | Transport & logistics | 2018 |
| 3 PG & D Limited | Professional & scientific | 2016 |
| 48D Yummy House Ltd | Hospitality | 2024 |
| 58E Advice Limited | Financial services | 2018 |
| 8STEPS Limited | Wholesale & retail | 2024 |
| A & K Wilson (Scotland) Ltd | Agriculture & fishing | 2015 |
| A & S Properties (Scotland) Limited | Real estate | 2008 |
| A and Z Pizza Limited | Hospitality | 2010 |
| A Miller Enterprises Ltd | Wholesale & retail | 2025 |
| A Touch of GAS Ltd | Construction | 2015 |
| A&H Contractors Limited | Other services | 2021 |
| A&I Fast Food Limited | Hospitality | 2024 |
| A&M Retailers Ltd | Wholesale & retail | 2026 |
| A. Johnstone Haulage Ltd. | Transport & logistics | 2005 |
| A.I. Access Ltd | Construction | 2019 |
| A1 Automotive Ltd. | Transport & logistics | 1997 |
| A1 Autoparts Ltd | Wholesale & retail | 2026 |
| A1 Barber Edinburgh Ltd | Other services | 2025 |
| A1 Property Holdings (Scotland) Ltd | Real estate | 2025 |
| A2 H&S Ltd | Professional & scientific | 2025 |
| AA Shad Limited | Wholesale & retail | 2026 |
| AAA Business Ltd | Wholesale & retail | 2025 |
| AAM Cafe Limited | Hospitality | 2016 |
| Aasjyo Limited | Wholesale & retail | 2017 |
| Abbeymount Contracts Limited | Real estate | 1979 |
| Abdulrahman CH Ltd | Professional & scientific | 2025 |
| Abstar Services Ltd | Transport & logistics | 2022 |
| Acamedia Ltd | Information & communication | 2022 |
| Accelero Strategy Limited | Professional & scientific | 2026 |
| Accoya Ltd | Construction | 2022 |
| Aces Consultant Limited | Extraterritorial | 2010 |
| ACL Hire Limited | Administrative & support | 1998 |
| Acova Limited | Wholesale & retail | 2020 |
| Acregold Limited | Construction | 2011 |
| Action Electrical Ltd | Construction | 2021 |
| ADD Flavour Ltd | Wholesale & retail | 2026 |
| Advanced Skincare Medical Aesthetics Ltd | Other services | 2021 |
| AF Civils Limited | Construction | 2022 |
| African Women's Network CIC | Professional & scientific | 2021 |
| Afshi Enterprises Ltd | Wholesale & retail | 2019 |
| AG Recovery and Transportation Ltd | Transport & logistics | 2025 |
| AGA Couriers Ltd | Transport & logistics | 2023 |
| Agamik Limited | Information & communication | 1994 |
| Agile Infrastructure Management Ltd | Other services | 2022 |
| AIA 786 Ltd | Wholesale & retail | 2018 |
| AIA Forecourt Ltd | Wholesale & retail | 2021 |
| AIM Renewables Ltd | Other services | 2021 |
| Aimic Limited | Administrative & support | 2023 |
| Ainslie Developments Ltd | Construction | 2020 |
| Airlancers Ltd | Wholesale & retail | 2024 |
| Airspace Integrated Resolutions Limited | Transport & logistics | 2026 |
| Aiver Ltd | Professional & scientific | 2017 |
| AJ Motor Services (Scot) Ltd | Wholesale & retail | 2019 |
| Ajaved Inc Ltd | Hospitality | 2023 |
| AJH Garage Services Ltd. | Wholesale & retail | 2013 |
| Ajira Ltd | Wholesale & retail | 2020 |
| AJM Spraying Services Ltd | Wholesale & retail | 2003 |
| AKA Presents Limited | Arts & recreation | 2024 |
| AKC Property Maintenance Ltd | Manufacturing | 2025 |
| Akitu Ltd | Manufacturing | 2026 |
| AKM Auto Garage Ltd | Manufacturing | 2013 |
| AKM Bodyshop Ltd | Manufacturing | 2017 |
| Akos EGO Trans Ltd | Transport & logistics | 2026 |
| AL Electrical & Control Systems Ltd | Construction | 2026 |
| Al.Sv Limited | Transport & logistics | 2025 |
| Alan Paton Consultancy Ltd | Professional & scientific | 2021 |
| Alchemy Barber Shop Ltd | Other services | 2020 |
| Alchemy INK and Art Ltd | Arts & recreation | 2020 |
| Aldar Construction Ltd | Construction | 2022 |
| Aleda Aircraft Services Ltd | Professional & scientific | 2023 |
| Alex Norman Flooring Limited | Construction | 2025 |
| Alex Smellie Financial Advice Ltd | Financial services | 2016 |
| Alexandrina ’S Healthcare Limited | Health & social care | 2021 |
| Alexis Finance Ltd | Professional & scientific | 2025 |
| ALI Distribution Ltd | Wholesale & retail | 2025 |
| Ali's 4 Brothers Ltd | Hospitality | 2025 |
| Alix Hall Aesthetics Ltd | Other services | 2025 |
| ALJ Decorators Ltd | Construction | 2015 |
| Alkatrans Ltd | Transport & logistics | 2025 |
| Alkon Transport Ltd | Transport & logistics | 2021 |
| ALL JOB Trading Limited | Administrative & support | 2014 |
| ALL Solutions Scotland Limited | Other services | 2015 |
| ALL the Fives Limited | Transport & logistics | 2018 |
| ALL Ways Transport Ltd | Transport & logistics | 2023 |
| Allahkaye Ltd | Real estate | 2024 |
| Allan Brown Electrical Services Ltd | Construction | 2020 |
| Allan European Contracting Limited | Manufacturing | 2015 |
| Allardyce & Goldie Enterprises Limited | Wholesale & retail | 1981 |
| Alloaselfstorage Ltd | Transport & logistics | 2024 |