| C Arts Scotia Limited | Arts & recreation | 2021 |
| C Better Ltd. | Health & social care | 2024 |
| C C Business Solutions Limited | Professional & scientific | 2018 |
| C Cunningham Ltd | Other services | 2025 |
| C G 51 Limited | Professional & scientific | 2016 |
| C G Trailers Limited | Transport & logistics | 2005 |
| C Grill Oban Limited | Hospitality | 2026 |
| C Group LP | | 2016 |
| C Hand Consulting Ltd | Information & communication | 2021 |
| C Henderson Consulting Limited | Professional & scientific | 2019 |
| C M Y K Digital Solutions Limited | Information & communication | 1996 |
| C M Y K Holdings Limited | Information & communication | 2018 |
| C Mccann Limited | Administrative & support | 2010 |
| C Mountain Lodges Limited | Administrative & support | 2004 |
| C O'Connor Ltd | Hospitality | 2019 |
| C R Ward Limited | Health & social care | 2023 |
| C Squared Electrical (Scot) Ltd. | Construction | 2019 |
| C Stevenson Limited | Professional & scientific | 2017 |
| C Wilson Meloncelli Limited | Arts & recreation | 2013 |
| C&A Digital LLP | | 2026 |
| C&C Jewelry Ltd | Administrative & support | 2019 |
| C&C Services (Scotland) Ltd. | Construction | 2011 |
| C&D Casa Ltd | Real estate | 2026 |
| C&H Europe LP | | 2012 |
| C&M Glazing Ltd | Construction | 2025 |
| C&M SB Ltd | Wholesale & retail | 2025 |
| C&R Scotland Limited | Manufacturing | 2026 |
| C&S Consulting Engineers Ltd | Professional & scientific | 2024 |
| C&S Joinery (Scotland) Ltd | Construction | 2024 |
| C, C & K Restaurants Ltd | Hospitality | 2019 |
| C-78 Holding LP | | 2022 |
| C-Blox Holding LP | | 2022 |
| C-Label Co. Ltd | Wholesale & retail | 2011 |
| C-Logistics Worldwide Limited | Administrative & support | 2016 |
| C-Mist Limited | Extraterritorial | 2006 |
| C-Sage Ltd | Health & social care | 2022 |
| C-Source Renewables Limited | Professional & scientific | 2022 |
| C-Trading LP | | 2018 |
| C-Urb 6 Ltd | Construction | 2001 |
| C. & S. L. Limited | Professional & scientific | 2007 |
| C. a. Mackenzie Limited | Manufacturing | 2019 |
| C. C. Windows Ltd | Manufacturing | 2022 |
| C. Group International L.P. | | 2009 |
| C. N. Trades Limited | Administrative & support | 2021 |
| C. Scully Limited | Administrative & support | 2026 |
| C. W. Property Edinburgh Limited | Real estate | 2022 |
| C.A.B Property Management Limited | Households | 2017 |
| C.E. Union Estate LP | | 2015 |
| C.E.C. Holdings Limited | Professional & scientific | 1991 |
| C.E.I. International Constructors Group | | 1992 |
| C.E.T.A. Central European Trading Associates & Co | | 1993 |
| C.F.I. Consultants | | 1994 |
| C.I. Agents UK Ltd. | Wholesale & retail | 2001 |
| C.I.H.K. Storage Limited | Real estate | 2014 |
| C.I.T. Global Trade LP | | 2014 |
| C.J.J Utilities Limited | Construction | 2021 |
| C.M.W.Investments Ltd | Real estate | 2016 |
| C.T.K. Property Ltd. | Real estate | 2018 |
| C1 Boilers Ltd | Construction | 2024 |
| C1 Glasgow Ltd | Administrative & support | 2016 |
| C1947 Ltd | Hospitality | 2026 |
| C23 Property Ltd | Real estate | 2024 |
| C2C Glazing Limited | Construction | 2025 |
| C2C Windows Ltd | Construction | 2019 |
| C2M Management Ltd | Extraterritorial | 2012 |
| C3 Investments in Ayrshire College Education Holdco Limited | Financial services | 2014 |
| C3 Investments in Ayrshire College Education Limited | Construction | 2014 |
| C3R Limited | Administrative & support | 2026 |
| C5 Founder Partner GP LLP | | 2014 |
| C5 Founder Partner LP | | 2014 |
| C6 Launch Systems (UK) Limited | Manufacturing | 2020 |
| C9 Edinburgh Limited | Wholesale & retail | 2025 |
| C9A Ltd | Administrative & support | 2019 |
| CA Business Consultancy Ltd | Professional & scientific | 2024 |
| CA Car Sales Limited | Wholesale & retail | 2026 |
| CA Emergency Group Ltd | Health & social care | 2026 |
| CA Events Hub Ltd | Arts & recreation | 2026 |
| CA Excellency LP | | 2019 |
| CA Motorcycles Ltd | Wholesale & retail | 2019 |
| Caan Global Ltd | Wholesale & retail | 2024 |
| Cab-Arette Ltd | Administrative & support | 2022 |
| Cabair Limited | Transport & logistics | 2019 |
| Caball Partners | | 1999 |
| Cabana Corporation LP | | 2016 |
| Cabbage Trading Company Limited | Wholesale & retail | 2025 |
| Cabbie Competitions Ltd | Arts & recreation | 2026 |
| Cabell Hair Company Limited | Other services | 2018 |
| Caberfeidh Holdings Ltd | Arts & recreation | 2023 |
| Cabins in the City (Assynt) Limited | Construction | 2024 |
| Cabins in the City (PSL) Limited | Construction | 2023 |
| Cabland Rentals Ltd | Administrative & support | 2024 |
| Cablecom Electrical Limited | Administrative & support | 2002 |
| Cablecom Group Holdings Limited | Construction | 2018 |
| Cablink Outsource Ltd | Professional & scientific | 2024 |
| Cabot Place (Retail) Unit Trust GP Limited | Real estate | 2006 |
| Cabot Place (Retail) Unit Trust LP Limited | Real estate | 2006 |
| Cabra Capital SPV UK LP | | 2014 |
| Cabral Business LP | | 2016 |
| Cabslink Limited | Transport & logistics | 2024 |
| Cabworks Ltd | Professional & scientific | 2013 |