| Colin Mccloud Property Care Ltd | Real estate | 2025 |
| Commercial in Confidence Consulting Ltd | Professional & scientific | 2011 |
| Comms Rigging and Lifting Ltd | Information & communication | 2016 |
| Community Action Blackburn | Education | 2011 |
| Compass Construction Services Ltd | Construction | 2025 |
| Compass Maintenance Ltd | Financial services | 2026 |
| Condor Entertainment Ltd | Information & communication | 2023 |
| Connellswan Ltd | Hospitality | 2018 |
| Conscious Cleans Limited | Administrative & support | 2025 |
| Conscious Renovations Ltd | Construction | 2025 |
| Construction Training & Safety Limited | Construction | 2013 |
| Continental Software Services Limited | Information & communication | 1990 |
| Conveyancing Services Limited | Administrative & support | 2020 |
| Conway Optometry Ltd | Health & social care | 2021 |
| Coopers Armadale Ltd | Hospitality | 2022 |
| Coppies Bar Ltd | Hospitality | 2014 |
| Core Drilling Contractors Limited | Construction | 2012 |
| Core Project Solutions Ltd. | Financial services | 2011 |
| Corkeco Solutions Ltd | Construction | 2025 |
| Corkstyle Ltd | Wholesale & retail | 2026 |
| Cornerstone Building Innovations Ltd | Construction | 2025 |
| Costa Chiropractic Limited | Health & social care | 2016 |
| Countrytown Hotels Limited | Professional & scientific | 2003 |
| Couston Lakes Ltd | Real estate | 2019 |
| Coutuiq Ltd | Wholesale & retail | 2023 |
| Cpresto Ltd | Financial services | 2022 |
| Cradel AV Limited | Construction | 2005 |
| Craft Worx Ltd | Manufacturing | 2010 |
| Craig Engineering (Bathgate) Limited | Manufacturing | 2013 |
| Crail Airfield Ltd | Real estate | 2022 |
| Crawford Doors Scotland Limited | Manufacturing | 2024 |
| Crawford Fraser Consultancy Limited | Professional & scientific | 2019 |
| CRC Pipe Fitting Ltd | Construction | 2025 |
| CRE Developments Limited | Construction | 2022 |
| Creabea Designs Limited | Arts & recreation | 2023 |
| Crithwood Ltd | Professional & scientific | 2020 |
| CRJ Contracts Ltd | Manufacturing | 2015 |
| Croft View Limited | Professional & scientific | 2024 |
| Croft View Properties Limited | Real estate | 2024 |
| Crofty Ltd | Hospitality | 2024 |
| Crow and Crow Holdings Limited | Financial services | 2023 |
| Crown Markets Ltd | Real estate | 2022 |
| CS Database Technologies Limited | Information & communication | 2017 |
| CS Group Property Ltd | Real estate | 2024 |
| CSD Group Limited | Financial services | 2026 |
| CSD1 Ltd | Administrative & support | 2014 |
| Csignum Ltd | Professional & scientific | 2020 |
| Cull and Sons Ltd | Transport & logistics | 2020 |
| Cupcoffee Ltd | Manufacturing | 2025 |
| Cyber Ascent Consultancy Limited | Information & communication | 2025 |
| Cybertech 2000 Ltd. | Information & communication | 2002 |
| CYO Foods Ltd | Wholesale & retail | 2025 |
| D & I Heating Ltd | Construction | 2019 |
| D & L Investment Properties Ltd | Real estate | 2026 |
| D Adam Mechanical Services Limited | Manufacturing | 2025 |
| D Callaghan Joiners & Builders Ltd | Construction | 2026 |
| D S T Engineering Limited | Administrative & support | 2003 |
| D&J Records Bathgate Ltd | Wholesale & retail | 2026 |
| D&N Utilities and Civils Ltd | Construction | 2022 |
| D&P Bathroom Services Limited | Construction | 2024 |
| D&P Robertson Lettings Ltd | Real estate | 2021 |
| D.P.H. Limited | Professional & scientific | 2002 |
| D.S. Solar Ltd | Administrative & support | 2015 |
| D110522 Ltd | Construction | 2026 |
| Dagon Consulting Limited | Professional & scientific | 2020 |
| Daks 2017 Limited | Real estate | 2016 |
| Dalrada Home Ltd | Energy | 2024 |
| Dammond Developments Limited | Real estate | 2005 |
| DAN & Sons Logistics Limited | Transport & logistics | 2017 |
| Danceworld Scotland Limited | Arts & recreation | 2005 |
| Dani Blues Limited | Other services | 2023 |
| Daniel Taylor Properties Limited | Real estate | 2026 |
| Danloor Properties Limited | Real estate | 2022 |
| Danube Home Improvements Ltd | Construction | 2026 |
| Danz 4U Limited | Education | 2013 |
| Dara Thai Massage Therapeutic Treatments Limited | Other services | 2022 |
| Darin K Ltd | Other services | 2025 |
| Dats - Design and Training Solutions Ltd | Construction | 2013 |
| David Stein Butchers Ltd. | Wholesale & retail | 2004 |
| Davidkings Group Limited | Wholesale & retail | 2025 |
| Davidson Car Ltd | Wholesale & retail | 2025 |
| Dbd-Dispatch Ltd | Transport & logistics | 2025 |
| DC Accountancy Services (Edinburgh) Ltd. | Professional & scientific | 2006 |
| DC Analytics Consultancy Limited | Professional & scientific | 2023 |
| Dcllr Mechanical Ltd | Manufacturing | 2026 |
| DCS Fitness Ltd | Arts & recreation | 2020 |
| Decamac Ltd. | Professional & scientific | 2020 |
| Deckard B-263-54 Ltd | Hospitality | 2024 |
| Defeon Limited | Wholesale & retail | 2022 |
| Deimhinneach Toraidhean Limited | Wholesale & retail | 2019 |
| DEJ UK Limited | Information & communication | 2021 |
| Delta Atlantic Limited | Information & communication | 2020 |
| Delta-Tech Solutions Ltd. | Professional & scientific | 2014 |
| Delta-V Talent Ltd | Manufacturing | 2023 |
| Dem-Master Demolition Limited | Construction | 1996 |
| Dem-Master Holdings Limited | Financial services | 2019 |
| Derek Mcginty Cabs | | 1998 |
| Devlin Consultants Limited | Administrative & support | 2024 |
| DG Commercials Ltd | Wholesale & retail | 2023 |
| DH Business Consulting Ltd | Professional & scientific | 2026 |