| Button Stance UK Ltd | Manufacturing | 2017 |
| Buzz on Ltd | Wholesale & retail | 2025 |
| BVI Consult Limited | Professional & scientific | 2022 |
| BW Energy Rundu Limited | Administrative & support | 2024 |
| BW Holdco Ltd | Energy | 2018 |
| BW Kudu Limited | Administrative & support | 2015 |
| BW Offshore (UK) Limited | Manufacturing | 2010 |
| BW Offshore BDN Holding (UK) Limited | Financial services | 2026 |
| BW Offshore Catcher (UK) Limited | Manufacturing | 2013 |
| BWM Electrical Ltd | Construction | 2025 |
| BWM Global Solutions Ltd | Professional & scientific | 2015 |
| BWP Aberdeen Ltd | Hospitality | 2022 |
| BWR Services Limited | Mining & quarrying | 2025 |
| BWS Welding Ltd | Construction | 2024 |
| BY Propco Ltd | Real estate | 2019 |
| Bydand Drilling Limited | Professional & scientific | 2010 |
| Bydand Property Services Ltd | Manufacturing | 2022 |
| Bydand Strategic Communications Limited | Professional & scientific | 2025 |
| Bydand Subsea Consultancy Limited | Professional & scientific | 2026 |
| Bydin Properties Limited | Real estate | 2019 |
| Byers Ltd | Construction | 2019 |
| Byron Bakery Ltd | Wholesale & retail | 2008 |
| Byron Big Bites Limited | Hospitality | 2023 |
| Byron Foods Limited | Hospitality | 2021 |
| Byron Stores Ltd | Wholesale & retail | 2018 |
| Byron Street Food Ltd | Hospitality | 2026 |
| Byth Estates Limited | Hospitality | 2004 |
| Bzndt Limited | Professional & scientific | 2023 |
| C & E Moir & SON Ltd. | Construction | 2007 |
| C & I Engineering Solutions Limited | Professional & scientific | 2013 |
| C & L Properties (Crathie) Limited | Construction | 2007 |
| C & L Properties (the Grange) Limited | Construction | 2000 |
| C & M Services (Scotland) Limited | Administrative & support | 2018 |
| C & N Buck Ltd | Administrative & support | 2021 |
| C 10 Store Ltd | Wholesale & retail | 2019 |
| C Anderson Logistics Ltd | Mining & quarrying | 2013 |
| C B Barber Ltd | Other services | 2024 |
| C C Electrical Services (Scotland) Ltd | Construction | 2021 |
| C C Okens Investment Limited | Wholesale & retail | 2023 |
| C Donald Electrical Ltd | Construction | 2024 |
| C Growth Ltd | Professional & scientific | 2016 |
| C in C Retail Limited | Wholesale & retail | 2007 |
| C J Bruce Investments Limited | Real estate | 2019 |
| C J Contracts (Scotland) Ltd | Administrative & support | 2014 |
| C Marlow Solutions Limited | Construction | 2012 |
| C P Bathrooms Aberdeen Ltd | Construction | 2011 |
| C R Encapsulation Limited | Other services | 2002 |
| C R Hydraulics Ltd | Other services | 2010 |
| C S Robertson Consultants Ltd | Mining & quarrying | 2025 |
| C Scott Electrical Services Ltd | Construction | 2017 |
| C T Aviation Services Limited | Transport & logistics | 2017 |
| C T Testing Ltd | Professional & scientific | 2025 |
| C Tecnics Limited | Professional & scientific | 2006 |
| C&E EAR WAX Removal Ltd | Health & social care | 2025 |
| C&E Garden Solutions Ltd | Real estate | 2024 |
| C&I Information Solutions Limited | Information & communication | 2021 |
| C&J Contractors (Scotland) Ltd | Construction | 2026 |
| C&P Management Consultants Ltd | Professional & scientific | 2024 |
| C-I Kystdesign UK Limited | Administrative & support | 2025 |
| C-Innovation Subsea Limited | Administrative & support | 2025 |
| C-Subsea Limited | Professional & scientific | 2015 |
| C. Rettie Services Ltd | Other services | 2012 |
| C. Thow Ltd | Professional & scientific | 2020 |
| C.A.R. Civils Ltd | Construction | 2025 |
| C2 Discovery Labs CIC | Information & communication | 2026 |
| C2 Industries Ltd | Professional & scientific | 2016 |
| CA Aberdeen Ltd | Hospitality | 2025 |
| CAA Consultants Limited | Administrative & support | 2020 |
| Cabeez Limited | Professional & scientific | 2007 |
| Cabrach Consulting Limited | Other services | 2017 |
| Cabro Aviation Limited | Transport & logistics | 2009 |
| Cabwell Limited | Construction | 2007 |
| Caca Ltd | Transport & logistics | 2025 |
| CAD Detail Design Ltd | Professional & scientific | 2014 |
| CAD Services Aberdeen Ltd | Professional & scientific | 2018 |
| Caddiecare Ltd | Health & social care | 2022 |
| Cadger's Garages Ltd. | Wholesale & retail | 2002 |
| Cadherent Group Limited | Professional & scientific | 2024 |
| Cadherent Limited | Professional & scientific | 1998 |
| Cadmor Construction Limited | Construction | 2026 |
| Cael Geomatics Limited | Professional & scientific | 2025 |
| CAF Properties NO 1 Limited | Construction | 2014 |
| Cafe 100 (Aberdeen) Limited | Hospitality | 2016 |
| Cafe Ahoy (Aberdeen) Limited | Hospitality | 2019 |
| Cafe at the Cross Ltd | Hospitality | 2026 |
| Cafe Boheme Restaurant Limited | Hospitality | 2017 |
| Cafe Cognito Limited | Hospitality | 2014 |
| Cafe Connect (Mannofield) Limited | Hospitality | 2017 |
| Cafe GNR Ltd | Other services | 2019 |
| Cafe Moyo Ltd | Hospitality | 2024 |
| CAI Holdings Limited | Transport & logistics | 2002 |
| Caiman Software Development Limited | Information & communication | 2012 |
| Cains Collectibles Ltd | Wholesale & retail | 2023 |
| Cairdshill Limited | Other services | 2019 |
| Cairn AI Limited | Professional & scientific | 2025 |
| Cairn Financial Planning Limited | Administrative & support | 2026 |
| Cairn Ridge Capital Ltd | Financial services | 2024 |
| Cairn Services (Properties) Limited | Real estate | 2013 |
| Cairn&Granite Ltd | Wholesale & retail | 2026 |
| CAIRN26 Limited | Information & communication | 2026 |