| Car Blitz Limited | Other services | 2010 |
| CARE4LIFE Services Limited | Health & social care | 2018 |
| Carthage Defence Consulting Limited | Administrative & support | 2022 |
| Castellano Limited | Real estate | 2004 |
| Cava Developments Ltd | Construction | 2022 |
| CBB Consultancy Limited | Administrative & support | 2019 |
| Cbeala Ltd | Real estate | 2009 |
| CG Interiors Limited | Construction | 2019 |
| Chaipaval Ltd | Construction | 2025 |
| Chicca Holdings Limited | Real estate | 2025 |
| Chris Ings Boatbuilding Ltd. | Construction | 2002 |
| Chronos Controls Limited | Professional & scientific | 2022 |
| Chrystal's Shortbread Ltd | Manufacturing | 2017 |
| Cjlj Property Ltd | Real estate | 2021 |
| CK Signs Limited | Manufacturing | 2025 |
| Clan Accommodation Ltd | Real estate | 2024 |
| Classic and Performance Cars Limited | Wholesale & retail | 2014 |
| Cleaning by Nichole Ltd | Administrative & support | 2026 |
| Clearvue Investments Limited | Health & social care | 2005 |
| Clough Engineering Consultants Ltd. | Professional & scientific | 2010 |
| Clyde Coast Building and Landscaping Ltd | Construction | 2026 |
| Clyde Coast Plumbing & Heating Limited | Construction | 2026 |
| Clyde Nursery Limited | Education | 2001 |
| Clyde Street Ltd | Hospitality | 2024 |
| Clydeside Enterprises Ltd | Wholesale & retail | 2026 |
| Clydeview Services Ltd | Professional & scientific | 2026 |
| CMC Consulting (Scotland) Ltd | Transport & logistics | 2013 |
| CNM Marine Ltd | Agriculture & fishing | 2011 |
| Coates Communications Ltd | Professional & scientific | 2017 |
| Cogan Access Limited | Agriculture & fishing | 2018 |
| Coleman Rail Ltd | Professional & scientific | 2023 |
| Coll Cottage Lets Limited | Hospitality | 2025 |
| Combat Central Ltd. | Arts & recreation | 2017 |
| Comet Apartments Limited | Real estate | 2020 |
| Comet Corporate Lets Ltd | Real estate | 2024 |
| Community Advertiser Ltd. | Administrative & support | 2005 |
| Company of Obriens Ltd | Wholesale & retail | 2023 |
| Conroy Enterprises Ltd | Education | 2023 |
| Coorie Homes Ltd | Real estate | 2021 |
| Coral Rose Consulting Ltd | Information & communication | 2016 |
| Corvusoft Limited | Information & communication | 2013 |
| Cove & Kilcreggan Angling Club Ltd | Real estate | 2023 |
| Cove Park | Administrative & support | 1999 |
| Cove Park Enterprises Limited | Professional & scientific | 1999 |
| CPW Oaktree Ltd | Real estate | 2023 |
| Craftkits.Co.Uk Limited | Wholesale & retail | 2021 |
| Craiglyon Financial Management Limited | Professional & scientific | 2017 |
| CRC Joiners & Builders Ltd | Construction | 2017 |
| Credit Risk Models (E) Ltd | Professional & scientific | 2024 |
| CRL Management Consulting Ltd | Professional & scientific | 2015 |
| Crosshill Loch Holdings Ltd. | Manufacturing | 2021 |
| Crownbraid Limited | Hospitality | 2013 |
| CS Cladding Limited | Construction | 2016 |
| Curious Minds Science Ltd | Wholesale & retail | 2007 |
| D&E Bars Ltd | Hospitality | 2017 |
| David Barr Electrical Services Limited | Construction | 2021 |
| David Gordon Joinery Limited | Construction | 2010 |
| Davis’S Property Ltd | Households | 2025 |
| DCJ Security Ltd | Administrative & support | 2024 |
| DCW Window Solutions Limited | Construction | 2015 |
| Dean Developments Scotland Ltd | Construction | 2024 |
| Dean Property (Scotland) Ltd | Real estate | 2022 |
| Decanting Veritas Ltd | Wholesale & retail | 2025 |
| Deedub Campervans Limited | Wholesale & retail | 2015 |
| Diem Holdings Limited | Other services | 2023 |
| Digital Geology Limited | Mining & quarrying | 1999 |
| Dino's Radio Cafe Ltd | Manufacturing | 2023 |
| Discover Scotland Ltd | Wholesale & retail | 2020 |
| Dive Pro Consultancy Ltd | Professional & scientific | 2024 |
| DJ Turner Services Ltd | Transport & logistics | 2024 |
| DJC Investments Limited | Administrative & support | 2020 |
| DKI Consultants Ltd | Professional & scientific | 2012 |
| DM Business Consultancy Ltd | Professional & scientific | 2025 |
| Dowanhill Trading Company Limited | Real estate | 1996 |
| DRA Development Ltd | Real estate | 2025 |
| Dream of Ltd | Administrative & support | 2016 |
| Dreamy Trades Ltd | Construction | 2023 |
| Drive Your Ambitions Ltd | Transport & logistics | 2022 |
| Drum Milllig Associates Ltd | Professional & scientific | 2017 |
| Dràm Ice Tea Limited | Wholesale & retail | 2022 |
| Dràm MÒR Bond Ltd. | Manufacturing | 2022 |
| Duneira Enterprises Limited | Hospitality | 2004 |
| Dunvegan Promotions Limited | Extraterritorial | 2014 |
| Dunwell Autobody Limited | Wholesale & retail | 2022 |
| DZH Limited | Hospitality | 2015 |
| East Clyde Street Bistro Ltd | Hospitality | 2026 |
| East Meets West Publications Ltd | Information & communication | 2025 |
| Eastside Motor Engineers Limited | Manufacturing | 2012 |
| Easy Access Argyll Limited | Administrative & support | 2022 |
| Eco Drainage Solutions Limited | Water & waste | 2025 |
| EDS Web Design Ltd | Information & communication | 2019 |
| EH Acoustics Ltd | Professional & scientific | 2024 |
| EHB Hair Ltd | Other services | 2020 |
| Eident Ltd. | Information & communication | 2011 |
| Elemental Cabins and Retreats Ltd | Hospitality | 2025 |
| Elwood Investments Limited | Real estate | 2011 |
| Epci Contract Management Limited | Professional & scientific | 2025 |
| Equi-Perform Limited | Other services | 2010 |
| Equitas Claims Management Limited | Financial services | 2025 |
| Euritec Limited | Information & communication | 1991 |