| Calum Strachan Ltd | Professional & scientific | 2020 |
| Cameron Drumm Ltd. | Manufacturing | 2000 |
| Cameron Group (Perth) Limited | Professional & scientific | 2012 |
| Cameron Motors (Scotland) Limited | Extraterritorial | 2001 |
| Cameron Property Services Limited | Construction | 2010 |
| Cameron Scott Cars Limited | Wholesale & retail | 2024 |
| Campmuir Property Services Ltd | Real estate | 2021 |
| Camserney Hydro Scheme Limited | Energy | 2001 |
| Camvo 91 Limited | Professional & scientific | 2003 |
| Candid Consulting Ltd | Health & social care | 2017 |
| Candy Farm Limited | Agriculture & fishing | 2021 |
| Candy Shop Ltd | Wholesale & retail | 2026 |
| Canrehab Ltd. | Health & social care | 2015 |
| Carawal Shellfish Ltd | Agriculture & fishing | 2021 |
| Carchrie Engineering Ltd | Professional & scientific | 2021 |
| Cardiology Scotland Limited | Health & social care | 2019 |
| Cardney Estate Limited | Arts & recreation | 2015 |
| Carl Fuge Limited | Information & communication | 2011 |
| Carlton Holding Group Limited | Financial services | 2020 |
| Carnoustie Golf Links Limited | Other services | 2006 |
| Carpe Diem Solutions Limited | Professional & scientific | 1993 |
| Carpet Discount Store Limited | Wholesale & retail | 2022 |
| Carriages of Scone Limited | Transport & logistics | 1998 |
| Carriden Developments Ltd | Construction | 2021 |
| Carriden Homes Group Ltd. | Construction | 2017 |
| Carriden Homes Ltd. | Construction | 2012 |
| Carriden Plumbing & Heating Ltd | Construction | 2022 |
| Carroll Services Limited | Transport & logistics | 2022 |
| Carruthers Renewables Ltd | Professional & scientific | 2011 |
| Carré Suitcases Ltd | Wholesale & retail | 2026 |
| Carse Community Chiropractic Ltd | Health & social care | 2015 |
| Carse Construction Ltd | Construction | 2026 |
| Carse Country Stoves Ltd | Construction | 2022 |
| Carse Enterprises Ltd | Wholesale & retail | 2023 |
| Cartons Ltd | Real estate | 2023 |
| Carve Construction Ltd | Construction | 2026 |
| Caseform AI Limited | Information & communication | 2025 |
| Casella & Polegato Italian Bakers Limited | Wholesale & retail | 2018 |
| Casella & Polegato Limited | Manufacturing | 2014 |
| Caskade Drinks Ltd | Other services | 2023 |
| Caskworx Limited | Transport & logistics | 2025 |
| Castlecroft Securities Limited | Real estate | 1984 |
| Castullys Trading & Distribution Solutions Limited | Wholesale & retail | 2017 |
| Catherine Morris Occupational Therapy Limited | Health & social care | 2022 |
| Cat’Fe Ltd | Hospitality | 2026 |
| CBL Corporate Advisory Limited | Professional & scientific | 2015 |
| CBL Group Limited | Professional & scientific | 2015 |
| CC Sporting Ltd | Agriculture & fishing | 2023 |
| Ccjs Properties Ltd. | Real estate | 2010 |
| Ccna Properties Limited | Hospitality | 2016 |
| CDK Home Lettings Limited | Real estate | 2026 |
| CDL Building Services Limited | Construction | 2013 |
| Ceannacroc Hydro Ltd | Energy | 2014 |
| Celebration Station Ltd. | Wholesale & retail | 2003 |
| Central Alba Property Ltd | Real estate | 2015 |
| Central Inspection Services Ltd | Professional & scientific | 2013 |
| Central Scotland News Agency Limited | Information & communication | 2003 |
| Centre for Inclusive Living Perth and Kinross | Health & social care | 2008 |
| Centreglobal Limited | Hospitality | 1993 |
| Ceres&Co Ltd | Professional & scientific | 2023 |
| Ceylon 35 Limited | Wholesale & retail | 2020 |
| Ceylon Spice by ASA Ltd | Hospitality | 2026 |
| Ceylon Taste Limited | Hospitality | 2025 |
| Cezor Ltd | Wholesale & retail | 2024 |
| CG Properties and Investments Ltd | Real estate | 2024 |
| Cglmc Limited | Other services | 2010 |
| CGS Homes Limited | Real estate | 1999 |
| Chalmers Accounting Services Ltd | Professional & scientific | 2018 |
| Chameleon Digitization Limited | Construction | 2016 |
| Chameleon Vision Limited | Construction | 2010 |
| Chance Competitions Ltd | Arts & recreation | 2024 |
| Charles Cargill (Brunton) | Agriculture & fishing | 1956 |
| Chas Stewart Plumbing, Heating & ALL Trades Limited | Construction | 2023 |
| Chatacafe Limited | Hospitality | 2025 |
| Check Your Spec Ltd | Extraterritorial | 2023 |
| Cherry Joinery (Perth) Limited | Construction | 2019 |
| Cherrybank Group Limited | Health & social care | 2016 |
| Cherrybank Holdings Limited | Financial services | 2018 |
| Chic Doig Classic Sportscars Ltd | Wholesale & retail | 2012 |
| Chilli Pepper (Scot) Ltd | Hospitality | 2017 |
| Chinnu Group Ltd | Professional & scientific | 2015 |
| Chiropractic Jobs Online Limited | Administrative & support | 2014 |
| Chiropractic Life Ltd | Health & social care | 2012 |
| Chloe Grant Racing LLP | | 2022 |
| Chocobooks Ltd | Wholesale & retail | 2017 |
| Chocolate and Love Designs Ltd | Other services | 2015 |
| Chocolate and Love Ltd | Wholesale & retail | 2009 |
| Chocstars Limited | Manufacturing | 2012 |
| Chris Robb Installations Ltd. | Construction | 2014 |
| Christmas Direct Limited | Wholesale & retail | 1999 |
| Chrovies Ltd | Wholesale & retail | 2023 |
| Chunky Bites Limited | Hospitality | 2023 |
| Churches Action for the Homeless | Health & social care | 1993 |
| Ciao Paolo Limited | Health & social care | 2010 |
| Cinematic Trax Limited | Information & communication | 2026 |
| Citrus Flooring Limited | Administrative & support | 2007 |
| Civil Solutions Scotland Ltd | Extraterritorial | 2020 |
| Clackan Ltd | Professional & scientific | 2010 |
| Claddagh-Caledonia Ltd | Hospitality | 2017 |
| Claimar Catering Ltd | Hospitality | 2010 |