| Complete Bathrooms and Showers Ltd | Construction | 2017 |
| Complete Business Service Solutions Ltd | Professional & scientific | 2017 |
| Complete Homeopathic Care Ltd | Health & social care | 2026 |
| Complete Joinery (Scotland) Ltd. | Construction | 2012 |
| Completely Normal Media Ltd | Information & communication | 2023 |
| Complex Engineering Group & Co. | | 2005 |
| Complex Solutions (Edinburgh) Ltd | Construction | 2025 |
| Compliance Advisory Services Ltd | Financial services | 2020 |
| Composara Kits Ltd | Wholesale & retail | 2026 |
| Composite Garden Rooms Ltd | Construction | 2020 |
| Computalaw Online Ltd. | Information & communication | 2007 |
| Computational Structural Mechanics Limited | Professional & scientific | 2001 |
| Computer Application Services Limited | Information & communication | 1986 |
| Computer Network Solutions (Scotland) Ltd. | Information & communication | 2000 |
| Computershare Company Nominees Limited | Professional & scientific | 1996 |
| Computershare Services Nominees Limited | Professional & scientific | 1996 |
| Computi World LP | | 2018 |
| Computown Ltd | Other services | 2022 |
| Comrade Relationships LP | | 2016 |
| Comrooter Estate LP | | 2013 |
| Comsteria Limited | Professional & scientific | 2012 |
| Comstone Express LP | | 2014 |
| Comtech Global L.P. | | 2009 |
| Comtech Solutions L.P. | | 2011 |
| Comtech Worldwide L.P. | | 2009 |
| Comtel Europe L.P. | | 2011 |
| Comtel International L.P. | | 2009 |
| Comtel Solutions L.P. | | 2010 |
| Comvex Agency LP | | 2015 |
| Comvex Technologies LP | | 2015 |
| Con.Rent & Co | | 2005 |
| Conan Sharman - Plumbing & Drain Cleaning Ltd | Construction | 2017 |
| Conay Design LP | | 2013 |
| Concentric Team Technology II Founder GP LLP | | 2021 |
| Concentric Team Technology II Founder Partner LP | | 2022 |
| Concept Clothing Retail Ltd | Wholesale & retail | 2008 |
| Concept Completed Ltd | Real estate | 2010 |
| Concept Deals UK Limited | Wholesale & retail | 2016 |
| Concept GAP Ltd | Information & communication | 2018 |
| Concept Mass Ventures LP | | 2017 |
| Concept Systems Limited | Information & communication | 1983 |
| Concept VC I (Scotland) Ltd | Financial services | 2022 |
| Concept VC I FP LP | | 2022 |
| Concept VC II (Scotland) Ltd | Financial services | 2024 |
| Concept VC II FP LP | | 2024 |
| Concept Venture LP | | 2014 |
| Concept. Facial Aesthetics. Ltd | Health & social care | 2024 |
| Conceptex System LP | | 2016 |
| Conception First LP | | 2016 |
| Conception Mark LP | | 2016 |
| Conception One LP | | 2016 |
| Conception Safe LP | | 2016 |
| Conception TEC LP | | 2016 |
| Conception Time LP | | 2016 |
| Concepts 10 Limited | Professional & scientific | 2011 |
| Conceptual Management Limited | Real estate | 2001 |
| Conciel LP | | 2014 |
| Concinnity Genetics Ltd | Professional & scientific | 2023 |
| Concord Enterprises L.P. | | 2012 |
| Concord Marketing LP | | 2022 |
| Concord Partnership L.P. | | 2010 |
| Concord Scotland SLP | | 2004 |
| Concorde Edinburgh Limited | Hospitality | 2018 |
| Concrete Rose Hair Ltd | Other services | 2021 |
| Condatis Holdings Limited | Information & communication | 2022 |
| Condor Energy Investments LLP | | 2021 |
| Condor F3 GP LLP | | 2021 |
| Condor Venture Partners, LP | | 2016 |
| Conductia Limited | Professional & scientific | 2022 |
| Conduent Europe Finance Limited Partnership | | 2007 |
| Conduit Finance Ltd | Financial services | 2019 |
| Conduit Ventures Carried Interest LP | | 2006 |
| Conduit Ventures CI (General Partner) Limited | Financial services | 2006 |
| Conduit-Ucpi Ltd | Information & communication | 2026 |
| Cone 10 Ltd | Manufacturing | 2025 |
| Cone Drive Operations Limited | Administrative & support | 2014 |
| Cone Heid Ltd | Manufacturing | 2026 |
| Conecture Interventions Limited | Public administration | 2022 |
| Conetta & Co Ltd | Other services | 2019 |
| Conevord Industries LP | | 2012 |
| Conexus Classis LP | | 2016 |
| Coney River Group LP | | 2016 |
| Confederation of Chinese Associations in Scotland Limited | Other services | 2025 |
| Confederation of Forest Industries (UK) Limited | Other services | 1959 |
| Conference Partners (UK) Limited | Administrative & support | 2013 |
| Confia Consult LP | | 2016 |
| Confid Essence LP | | 2014 |
| Confidas People Ltd | Administrative & support | 2017 |
| Confident in YOU Ltd | Information & communication | 2015 |
| Confidental Care Ltd | Health & social care | 2024 |
| Confidente LP | | 2018 |
| Confidential VIP Services LP | | 2019 |
| Confidex Corporation LP | | 2016 |
| Confirest Systems LP | | 2015 |
| Conflict Resolution Larp Ltd | Arts & recreation | 2012 |
| Confluence Point Ltd | Information & communication | 2021 |
| Conforto Property Limited | Real estate | 2025 |
| Cong ANH Ltd | Real estate | 2025 |
| Conglom Limited | Professional & scientific | 2006 |
| Conifox Limited | Hospitality | 2019 |