| Cryptonex LP | | 2017 |
| Crysberry Studio LP | | 2015 |
| Crystal Alliance LP | | 2017 |
| Crystal Capital Investments LP | | 2015 |
| Crystal Century LP | | 2016 |
| Crystal Clean Edinburgh Ltd | Other services | 2024 |
| Crystal Clear Alliance LP | | 2016 |
| Crystal Coffee Ltd | Hospitality | 2025 |
| Crystal Comfort Services Ltd | Wholesale & retail | 2025 |
| Crystal Energy Tech LP | | 2014 |
| Crystal Gherkin Limited | Other services | 2023 |
| Crystal Hospitality Services Ltd | Administrative & support | 2023 |
| Crystal Linen Solutions Ltd | Other services | 2025 |
| Crystal Risk Consulting Limited | Financial services | 2011 |
| Crystal Sight Optics Ltd | Health & social care | 2025 |
| Crystal Sky Trading Ltd | Wholesale & retail | 2013 |
| Crystal Stone Universal LP | | 2014 |
| Crystal Tome Games Ltd | Arts & recreation | 2024 |
| Crystal Tree Ltd | Professional & scientific | 2013 |
| Crystalday Design LP | | 2013 |
| Crystalgold Care Limited | Health & social care | 2024 |
| CS Advice Ltd | Professional & scientific | 2024 |
| CS Capital Partners (FP) L.P. | | 2002 |
| CS Global Associates Ltd | Other services | 2008 |
| CS Holdings (Scotland) 1 Limited | Financial services | 2024 |
| CS Investment Properties (Scotland) Limited | Other services | 2025 |
| CS Investments (Scotland) LLP | | 2024 |
| CS Managers Ltd | Financial services | 2002 |
| CS Plumbing Emergency Limited | Construction | 2025 |
| CS Properties (Scotland) 1 Limited | Hospitality | 2024 |
| CS247 Limited | Information & communication | 2015 |
| CSB Training Ltd | Administrative & support | 2022 |
| CSC Holdings Scotland Ltd | Real estate | 2026 |
| CSC Joinery Limited | Construction | 2013 |
| CSC Vehicle Hire Ltd | Wholesale & retail | 2025 |
| Cscre Ii-Uk Master L.P. | | 2015 |
| CSD Vehicles Limited | Wholesale & retail | 2000 |
| Csec Limited | Professional & scientific | 2019 |
| CSG Baxter's Place Holdings Limited | Professional & scientific | 2014 |
| CSG Commercial Limited | Construction | 2013 |
| CSG George Street Limited | Real estate | 2015 |
| CSG Glasgow Limited | Real estate | 2012 |
| CSG H&A Holdings Limited | Financial services | 2021 |
| CSG Hamilton Place Limited | Construction | 2013 |
| CSG Hospitality Limited | Administrative & support | 2021 |
| CSG Hotels and Apartments Limited | Financial services | 2013 |
| CSG Legal Limited | Professional & scientific | 2023 |
| CSG Martha Street Limited | Real estate | 2016 |
| CSG Projects Limited | Construction | 2010 |
| CSG Queensferry Holdings Limited | Financial services | 2021 |
| CSG Queensferry Limited | Real estate | 2021 |
| Cside Properties Limited | Hospitality | 2020 |
| Csiof Scottish Investor GP Limited | Financial services | 2007 |
| Csiof Scottish Investor LP | | 2007 |
| CSJ Joinery Limited | Extraterritorial | 2025 |
| CSJ Projects Limited | Construction | 2021 |
| CSK Sports UK Ltd | Administrative & support | 2021 |
| Cskp Limited | Professional & scientific | 2015 |
| CSM Solutions Ltd | Information & communication | 2023 |
| CSM Tax Consulting Ltd | Professional & scientific | 2020 |
| Csob Trade LP | | 2017 |
| Csoul Ltd | Hospitality | 2025 |
| CSP Creative Design Ltd | Professional & scientific | 2026 |
| CSP Design Ltd | Professional & scientific | 2022 |
| CSS Scotland Limited | Financial services | 2005 |
| Cssn Testing Solutions Limited | Professional & scientific | 2026 |
| CT Audit Limited | Professional & scientific | 2023 |
| CT Global Managed Portfolio Trust PLC | Financial services | 2008 |
| CT Hydro Limited | Financial services | 2010 |
| CT Investment Management Ltd | Extraterritorial | 2012 |
| CT Joinery (Scotland) Ltd | Construction | 2014 |
| CT Nexus Ltd | Professional & scientific | 2026 |
| CT Private Equity Trust PLC | Financial services | 1997 |
| CT SC427565 Limited | Education | 2012 |
| CT SC776736 Limited | Wholesale & retail | 2023 |
| CT UK High Income Trust PLC | Financial services | 2007 |
| Ct&Bj EE Ltd | Financial services | 2015 |
| CTA Global Limited | Information & communication | 2018 |
| CTC Business Improvement Consultants Limited | Other services | 2017 |
| Ctkj Ltd | Real estate | 2022 |
| CTP Invest Limited | Real estate | 2021 |
| CTR Holdings Ltd | Financial services | 2025 |
| CTSC295938 Limited | Education | 2006 |
| CTT Fusions Limited | Information & communication | 2015 |
| CTY Tours Ltd | Administrative & support | 2023 |
| CU Aquatics Ltd | Agriculture & fishing | 2021 |
| CU Pixels Ltd | Manufacturing | 2021 |
| Cuaddu Ltd | Hospitality | 2025 |
| Cuadrado Business LP | | 2016 |
| Cuaop Limited | Wholesale & retail | 2024 |
| CUB Investment Partners | | 2004 |
| Cuba Club Ltd | Hospitality | 2019 |
| Cube EXT Limited | Other services | 2015 |
| Cube Golf Ltd. | Administrative & support | 2017 |
| Cubetech LP | | 2014 |
| Cubic Enterprises L.P. | | 2009 |
| Cubic Express L.P. | | 2011 |
| Cubilink L.P. | | 2013 |
| Cucchi Ice Cream Ltd | Hospitality | 2021 |
| Cucina LC Cemayda Limited | Hospitality | 2017 |