| Archon Design Ltd | Administrative & support | 2007 |
| Ardea 28 UK Ltd | Wholesale & retail | 2023 |
| Arendal Spirit UK Limited | Administrative & support | 2021 |
| Argason Limited | Administrative & support | 2024 |
| Ashtead Technology Limited | Administrative & support | 1985 |
| ASM Consulting (Aberdeen) Ltd | Professional & scientific | 2025 |
| Assai IT Ltd | Information & communication | 2025 |
| AT Energies Ltd | Construction | 2022 |
| Atrin Ltd | Professional & scientific | 2023 |
| Audel Tech Limited | Manufacturing | 2010 |
| Aventus AI Limited | Mining & quarrying | 2018 |
| Axiometra Limited | Information & communication | 2026 |
| BA Christmas Ltd | Wholesale & retail | 2019 |
| BA Dynamics Ltd | Information & communication | 2024 |
| Bagamoyo Consulting Limited | Professional & scientific | 2022 |
| Balliol Limited | Real estate | 2015 |
| Ballymaddock Ltd | Construction | 2023 |
| Bard Property Services Ltd | Construction | 2019 |
| Baxter Hard Landscaping Ltd | Administrative & support | 2021 |
| BB Parsons Real Estate Ltd | Real estate | 2022 |
| BC Properties & Investments Ltd | Real estate | 2021 |
| Beales Consultants Ltd | Professional & scientific | 2022 |
| Beam Scotland Limited | Financial services | 2023 |
| Beange Solutions Limited | Professional & scientific | 2025 |
| Beatty Solutions Ltd | Professional & scientific | 2023 |
| Beauelle Designs Ltd | Manufacturing | 2024 |
| Beedie Psychology Services Ltd | Public administration | 2023 |
| Beeline Innovations Ltd | Wholesale & retail | 2023 |
| Benbradagh Design Consultants Limited | Professional & scientific | 2012 |
| Berriedale Funeral Home Limited | Other services | 2000 |
| Berriedale Funeral Services Ltd | Other services | 2021 |
| Berryhill Contracts Services Limited | Administrative & support | 2023 |
| Berryhill Land and Planning Limited | Professional & scientific | 2024 |
| BG Financial Consultancy Limited | Administrative & support | 2017 |
| Bhdl Ltd | Wholesale & retail | 2022 |
| Big G GIN Ltd | Wholesale & retail | 2023 |
| BIN Cleaned (Aberdeen) Limited | Administrative & support | 2015 |
| Birchlee Apartments Limited | Real estate | 2014 |
| Bishopston Enterprises Limited | Wholesale & retail | 2005 |
| Bizness Solutions Ltd | Professional & scientific | 2025 |
| BJC UK Investments Limited | Real estate | 2022 |
| Blackness Properties Ltd | Real estate | 2024 |
| Blairholm Ltd. | Hospitality | 2004 |
| Blue Bear Property Maintenance Ltd | Construction | 2025 |
| Blue Planet Safety Ltd | Professional & scientific | 2013 |
| Bohdi Holdings Limited | Real estate | 2021 |
| Bold-Laye International (UK) Limited | Professional & scientific | 2012 |
| Bomeqp Ltd | Professional & scientific | 2026 |
| Borr (UK) Holdings Limited | Financial services | 2019 |
| Borr Gersemi (UK) Limited | Administrative & support | 2019 |
| Borr Grid (UK) Limited | Administrative & support | 2019 |
| Borr Mexico Ventures Limited | Financial services | 2019 |
| Borr Odin (UK) Limited | Administrative & support | 2019 |
| Bounty Competitions Ltd | Arts & recreation | 2020 |
| Bowalds Energy UK Limited | Professional & scientific | 2013 |
| Braemoral Joinery Westhill Ltd | Construction | 2011 |
| Brimmond Electrical Limited | Construction | 2017 |
| Brimmond Financial Management Ltd | Professional & scientific | 2012 |
| Brimmond Investments Limited | Construction | 1991 |
| Brimmond Management Limited | Administrative & support | 2005 |
| Brimmond Properties Limited | Real estate | 2009 |
| Brollachan Investments Ltd | Real estate | 2024 |
| Bucksburn Business Ltd | Wholesale & retail | 2021 |
| Burbank Services Limited | Information & communication | 2000 |
| Burnsley Limited | Real estate | 2024 |
| Business Growth International Limited | Professional & scientific | 2017 |
| Bwma Ltd | Professional & scientific | 2024 |
| Cabardunn Development Company Limited | Construction | 2003 |
| Caicos Subsea Limited | Professional & scientific | 2026 |
| Calness Consulting Ltd | Professional & scientific | 2025 |
| Campbell Fraser Properties Limited | Real estate | 2025 |
| Camro Ltd | Professional & scientific | 2011 |
| Canterneil Ltd | Other services | 2023 |
| Capable Solutions Limited | Professional & scientific | 2012 |
| Capescot (SA) Ltd | Wholesale & retail | 2016 |
| Carney Heritage Productions Ltd. | Information & communication | 2004 |
| Carnie Design Consulting Ltd | Professional & scientific | 2021 |
| Casing Technologies Group Limited | Professional & scientific | 2007 |
| Catena People Limited | Administrative & support | 2026 |
| CB Rope Access & Drilling Ltd | Professional & scientific | 2026 |
| Ccdp LLP | | 2007 |
| CCG (UK) Limited | Hospitality | 1995 |
| Cdri Limited | Mining & quarrying | 2024 |
| Celianella Ltd | Wholesale & retail | 2025 |
| Centurion Business Solutions Limited | Construction | 1986 |
| Centurion Security Limited | Extraterritorial | 2025 |
| Certax Accounting Aberdeen Limited | Professional & scientific | 2016 |
| CFF Property Management Limited | Administrative & support | 2017 |
| Cfprogression Ltd | Professional & scientific | 2025 |
| CGB Publishing Limited | Information & communication | 2019 |
| CGE Garage Ltd | Transport & logistics | 2017 |
| Chalmers Electrical Services Ltd | Manufacturing | 2023 |
| Chap (Holdings) Limited | Professional & scientific | 1976 |
| Chap Civil Engineering Limited | Construction | 2005 |
| Chap Construction Limited | Construction | 2014 |
| Chap Group (Scotland) Ltd | Construction | 2007 |
| Chap Group Limited | Construction | 1984 |
| Chap Homes Limited | Construction | 1984 |
| Chap Quarries (Aberdeen) Limited | Mining & quarrying | 1980 |
| CHI Anmo Training Academy Limited | Education | 2024 |