| Absulute Security Trust LP | | 2016 |
| Abta Enterprises LP | | 2015 |
| Abturnal Ltd | Information & communication | 2025 |
| ABU Dhabi Asset Management Limited | Extraterritorial | 2023 |
| Abuda Group LP | | 2016 |
| Abundant Heat Limited | Construction | 2025 |
| Abundantia Ltd | Professional & scientific | 2025 |
| ABX Development LLP | | 2008 |
| Abyar LP | | 2016 |
| ABZ Engineering Services Ltd | Professional & scientific | 2025 |
| ABZ Pro Scot Ltd | Professional & scientific | 2019 |
| AC Aesthetics Ltd | Other services | 2024 |
| AC Building Ltd | Construction | 2020 |
| AC Capital Property Limited | Real estate | 2026 |
| AC Financial Partners Limited Partnership | | 2021 |
| AC Locksmith Ltd | Other services | 2016 |
| AC Travel Impex LP | | 2015 |
| Ac&H 141 Limited | Transport & logistics | 2002 |
| Ac&H 159 Limited | Professional & scientific | 2002 |
| Ac&H 16 Limited | Transport & logistics | 1998 |
| Ac&H 17 Limited | Professional & scientific | 1998 |
| Ac&H 172 Limited | Transport & logistics | 2003 |
| Ac&H 21 Limited | Extraterritorial | 1998 |
| Ac&H 22 Limited | Professional & scientific | 1998 |
| Ac&H 224 Limited | Other services | 2005 |
| Ac&H 243 Limited | Hospitality | 2008 |
| Ac&H 33 Limited | Professional & scientific | 1998 |
| Ac&H 41 Limited | Transport & logistics | 2000 |
| Ac&H 45 Limited | Transport & logistics | 1999 |
| AC1 Contracts Limited | Wholesale & retail | 2019 |
| AC2.COM Productions Ltd. | Information & communication | 2003 |
| Acacia SLP Partnership LP | | 2006 |
| Academic Consulting & Publishing UK Limited | Information & communication | 2026 |
| Academic Families Ltd | Education | 2012 |
| Academie DE Developpement LP | | 2016 |
| Academy of Burlesque and Cabaret Ltd. | Arts & recreation | 2006 |
| Academy of Creative Education Ltd | Education | 2018 |
| Academy of Sport Limited | Arts & recreation | 2000 |
| Academy Technology L.P. | | 2012 |
| Academyx Consulting Ltd | Professional & scientific | 2026 |
| Académie DE Danse Intuitive LP | | 2024 |
| Acaibrosedinburgh Ltd | Hospitality | 2024 |
| Acall Holdings | Other services | 2022 |
| Acanthus Interiors Ltd | Wholesale & retail | 2024 |
| Acapi Limited | Information & communication | 2026 |
| ACB Consultancy Services Limited | Administrative & support | 2008 |
| Acber L.P. | | 2010 |
| ACC Quality Engineering & Inspection Services Ltd | Professional & scientific | 2021 |
| Accardo Corp LP | | 2015 |
| Accelerate (YS) Ltd | Wholesale & retail | 2018 |
| Accelerate Rugby Ltd | Arts & recreation | 2021 |
| Accelerate Sales Ltd | Professional & scientific | 2020 |
| Accelerateher Limited | Other services | 2012 |
| Accelon, LP | | 2012 |
| Accenthink LP | | 2021 |
| Accentron Ltd | Information & communication | 2017 |
| Accentus Europe Limited | Administrative & support | 2017 |
| Acceshire Trade LP | | 2011 |
| Access 747 Transatlantic Secondary Fund LP | | 2009 |
| Access ALL Areas Film Limited | Information & communication | 2020 |
| Access Business Services (Edinburgh) Limited | Professional & scientific | 2013 |
| Access Capital Fund Infrastructure LP | | 2012 |
| Access Capital Fund V LP Growth Buy-Out Europe | | 2009 |
| Access Capital Fund VI Growth Buy-Out Europe LP | | 2013 |
| Access Capital Fund VII Growth Buy-Out Europe LP | | 2016 |
| Access Co-Investment Fund Buy-Out Europe LP | | 2013 |
| Access Electrical (Scotland) Limited | Construction | 2014 |
| Access Infrastructure Partners LP | | 2018 |
| Access Parkour Coaching CIC | Education | 2023 |
| Access Secondary Bridge Fund LP | | 2011 |
| Access Sino Global LP | | 2016 |
| Access Solutions & Mountaineering Services Ltd. | Administrative & support | 2006 |
| Access to Industry Limited | Education | 2000 |
| Access.Energy Limited | Energy | 2019 |
| Accessia LP | | 2015 |
| Accessible Filing Ltd | Information & communication | 2024 |
| Accessories Limited | Extraterritorial | 2003 |
| Accesss Solutions Edinburgh Ltd | Construction | 2025 |
| Accommodation Edinburgh Ltd | Real estate | 2024 |
| Accon Holding LP | | 2020 |
| Account and Tax Ltd | Professional & scientific | 2020 |
| Accountability Edinburgh Limited | Professional & scientific | 2017 |
| Accountancy and Business Solutions Ltd | Professional & scientific | 2018 |
| Accountancy Scotland (Borders) Limited | Professional & scientific | 2021 |
| Accountancy Scotland (North) Limited | Professional & scientific | 2015 |
| Accountancy Scotland (Perth and Kinross) Limited | Professional & scientific | 2020 |
| Accountancy Scotland (Tayside) Limited | Real estate | 2021 |
| Accountancy Scotland (West) Limited | Professional & scientific | 2015 |
| Accountancy Scotland Limited | Professional & scientific | 2013 |
| Accountancy Software Limited | Professional & scientific | 2021 |
| Accountants PL Ltd | Professional & scientific | 2016 |
| Accountaxwise Ltd | Professional & scientific | 2012 |
| Accountech Solutions Limited | Professional & scientific | 2014 |
| Accounts & Tax PVT Ltd | Professional & scientific | 2013 |
| Accrual World Limited | Other services | 2025 |
| Accrue 1 Limited Partnership | | 2010 |
| Accrue Aberdeen Limited Partnership | | 2012 |
| Accrue Blue Marlin 1 LP | | 2014 |
| Accrue Fort 1 Limited Partnership | | 2011 |
| Accrue Investments LP | | 2015 |