| Carlin Mechanical Ltd | Professional & scientific | 2025 |
| Carlos Property Scot Ltd | Real estate | 2021 |
| Carlton Abrasives Limited | Wholesale & retail | 2013 |
| Carlton DIE Castings Limited | Manufacturing | 1983 |
| Carly Mcdonald Beauty Ltd | Other services | 2025 |
| Caroline Anne Photography Limited | Professional & scientific | 2015 |
| Carouse Records Ltd | Information & communication | 2026 |
| Carr Accounting Ltd | Professional & scientific | 2024 |
| Carriages Kilmacolm Ltd | Hospitality | 2024 |
| Carter Audit Limited | Professional & scientific | 2013 |
| Cartside Limited | Construction | 2020 |
| Carworx Paisley Ltd | Wholesale & retail | 2023 |
| CAS Ceramics Ltd | Construction | 2025 |
| Casa Cafe Paisley Ltd | Hospitality | 2025 |
| Casa Estate Agents (Scotland) Ltd | Real estate | 2020 |
| Cask Coffee Ltd | Manufacturing | 2025 |
| Cask Coin Ltd | Manufacturing | 2018 |
| Casoomoilabe Community Interest Company | Hospitality | 2025 |
| Cass Automotive Limited | Wholesale & retail | 2017 |
| Cass Blake Automotive Ltd | Wholesale & retail | 2024 |
| Cast Against Type Ltd | Information & communication | 2026 |
| Castle Residential Scotland Ltd | Real estate | 2008 |
| Castlebank Properties Limited | Construction | 1975 |
| Castlehead Properties Limited | Real estate | 2023 |
| Catch N Crisp Limited | Hospitality | 2025 |
| Catterson Casting Ltd | Administrative & support | 2020 |
| Caulfield Cosmetic Dentistry Limited | Health & social care | 2023 |
| Cayson Pubs Ltd | Hospitality | 2020 |
| CB Tiling Ltd | Construction | 2022 |
| CBD Happy Self Care Limited | Health & social care | 2022 |
| CC Carluke Ltd | Hospitality | 2025 |
| Cc's Hot Bites Ltd | Hospitality | 2024 |
| CCF Properties (Paisley) Ltd | Real estate | 2018 |
| CCL Alltrades Limited | Manufacturing | 2022 |
| CCM Financial Ltd | Professional & scientific | 2023 |
| Ccms (1984) Ltd. | Other services | 2006 |
| Ccms Facilities Ltd | Administrative & support | 2014 |
| CD Skin Solutions Ltd | Other services | 2022 |
| CDM Plumbing Heating & Bathrooms Ltd | Construction | 2019 |
| CDP Property Limited | Real estate | 2004 |
| Cdrf Consulting Ltd | Administrative & support | 2017 |
| CDT Flooring Ltd | Construction | 2025 |
| CEA Proteins Ltd | Professional & scientific | 2023 |
| Cedarwood Contractors Ltd | Construction | 2018 |
| CEE CEE Fitness Limited | Arts & recreation | 2022 |
| Cefetra Limited | Wholesale & retail | 1992 |
| Celena Ltd | Real estate | 2023 |
| Celeste Property Limited | Real estate | 2021 |
| Central Mechanical & Renewables Limited | Construction | 2021 |
| Central Pharmacies (UK) Limited | Wholesale & retail | 2002 |
| Central Theatre Productions Ltd | Arts & recreation | 2026 |
| Centro Productions Ltd | Administrative & support | 2012 |
| Centurion Estate Planning Ltd | Professional & scientific | 2020 |
| Century Land Limited | Construction | 2015 |
| Century Pacific Capital Limited | Professional & scientific | 2015 |
| Cerjk Ltd | Real estate | 2019 |
| Ceylon Brothers Inc Ltd | Professional & scientific | 2024 |
| Ceylon Cartel Limited | Hospitality | 2024 |
| CG Aviation Ltd | Wholesale & retail | 2015 |
| CG Craig Ltd | Mining & quarrying | 2015 |
| CG Marr Associates Ltd | Professional & scientific | 2022 |
| CGA Design Ltd | Professional & scientific | 2022 |
| CGC Landscaping Contractors Ltd | Administrative & support | 2019 |
| Chadburns Mollart PT Ltd | Construction | 2001 |
| Chair Investments Limited | Professional & scientific | 2003 |
| Changecoachforlife Limited | Professional & scientific | 2020 |
| Chaosprojects (UK) Limited | Arts & recreation | 2017 |
| Chapco Services Limited | Professional & scientific | 2022 |
| Charles Stewart Quality Decorators Limited | Households | 2010 |
| Chasco Services Limited | Administrative & support | 2015 |
| Cheap Ticketo Ltd | Administrative & support | 2023 |
| Chemikil Preservation Limited | Wholesale & retail | 1992 |
| Chemtech Consultancy Limited | Professional & scientific | 2002 |
| Chesed Property Ltd | Real estate | 2025 |
| Chez Bippy Ltd | Hospitality | 2026 |
| Chikas Cafe Ltd | Hospitality | 2026 |
| Childcare First Limited | Administrative & support | 2005 |
| Childcare Management Company Ltd | Education | 2009 |
| Chilli 57 Ltd | Hospitality | 2021 |
| Chiltern Glass Fibre (Scotland) Limited | Manufacturing | 2009 |
| China WOK House Ltd | Hospitality | 2021 |
| CHK Developments Ltd | Households | 2024 |
| Choco Works Ltd | Hospitality | 2018 |
| CHP Services Ltd | Construction | 2018 |
| Chris Lynch Engineering Limited | Manufacturing | 2015 |
| Christian Andrews Kitchens and Bathrooms Ltd | Construction | 2020 |
| Christie & Sons Limited | Manufacturing | 2019 |
| Christine Carruth Celebrant Ltd | Other services | 2024 |
| Chrome Specialist Laboratory Limited, (the) | Education | 1986 |
| Chrystal & Company Limited | Other services | 2008 |
| Church Brickwork Ltd | Construction | 2019 |
| Ciaran Clarke Chef Limited | Hospitality | 2024 |
| Cinema Acoustic Treatment Systems Limited | Manufacturing | 2015 |
| Cineparts Ltd | Wholesale & retail | 2021 |
| CIR Scotland Ltd | Professional & scientific | 2024 |
| Circle Gym Club Ltd | Arts & recreation | 2019 |
| Citruvalley Ltd | Wholesale & retail | 2025 |
| City Lifestyle Property Ltd. | Real estate | 2003 |
| City of Temple Ltd | Hospitality | 2025 |
| CJS Auto Repairs Ltd | Wholesale & retail | 2024 |