| Cardna Investments Limited | Hospitality | 1977 |
| Carlincraig Renewables LLP | | 2013 |
| Carnousie House Limited | Hospitality | 2023 |
| Carriden Drilling Services Ltd | Other services | 2014 |
| Castle of Auchry Windfarm Limited | Energy | 2009 |
| CBP Aberdeen Ltd. | Professional & scientific | 2012 |
| CC Agritech II Limited | Financial services | 2024 |
| CC Agritech III Limited | Financial services | 2026 |
| CC Agritech Limited | Financial services | 2024 |
| Celebrations (Turriff) Limited | Wholesale & retail | 1998 |
| Celsius Industrial Services Ltd | Construction | 2021 |
| Cerj Property Management Ltd | Real estate | 2023 |
| CGM Engineering Limited | Administrative & support | 2018 |
| Chapman Electrical Limited | Construction | 2005 |
| Charmfield Farm Limited | Agriculture & fishing | 2016 |
| Charmfield Vintage Events Limited | Hospitality | 2018 |
| Chip Investments Ltd | Real estate | 2019 |
| Chrathaich Renewables Limited Liability Partnership | | 2021 |
| Chris Barratt Joint Integrity Solutions Ltd | Administrative & support | 2018 |
| City & Shire Asset Finance Limited | Financial services | 2020 |
| City & Shire Leasing Limited | Financial services | 2020 |
| City & Shire Limited | Financial services | 2020 |
| Clark Integrated Technologies Limited | Financial services | 2015 |
| Clicks Found Limited | Professional & scientific | 2025 |
| Cloverview Management Solutions Ltd | Mining & quarrying | 2009 |
| Cobblehouse Country Cabins Ltd | Hospitality | 2017 |
| Cogle Moss Renewables LLP | | 2014 |
| Colville Contractors Limited | Administrative & support | 1985 |
| Congash Estate Ltd | Agriculture & fishing | 2018 |
| Cook Homes Aberdeenshire Limited | Real estate | 2026 |
| Cooper TV Services Limited | Professional & scientific | 2012 |
| Core Nutrition & Fitness Ltd | Arts & recreation | 2021 |
| Crafty Home Textiles Ltd | Wholesale & retail | 2025 |
| Craig Emslie Engineering Ltd | Professional & scientific | 2012 |
| Craig Tetlow Electrical Ltd | Construction | 2018 |
| Craigiewell Plant Ltd | Construction | 2024 |
| Craigston Services Ltd | Professional & scientific | 2020 |
| CRE Assurance Ltd | Professional & scientific | 2017 |
| Creag Dhubh Renewables LLP | | 2013 |
| Creamforth Limited | Real estate | 1995 |
| Cresswell & Duncan Plumbing & Heating Ltd | Construction | 2023 |
| Crown Motors (a & I) Limited | Wholesale & retail | 1990 |
| CSH Catto Ltd | Manufacturing | 2026 |
| Ct's Tuning and Offshore Solutions Ltd. | Manufacturing | 2019 |
| Culbirnie Parks Renewable [2016] Ltd | Energy | 2016 |
| Culvie Hill Wind Limited | Energy | 2015 |
| CWH Safety Limited | Professional & scientific | 2023 |
| CÉ ÙR Ltd | Wholesale & retail | 2025 |
| D & R Duguid Limited | Professional & scientific | 2026 |
| D Cruickshank Joinery Ltd | Construction | 2020 |
| D Ironside Builders Ltd | Construction | 2011 |
| D J Beedie Joinery Limited | Construction | 2014 |
| D. J. HAY Ltd | Agriculture & fishing | 2017 |
| Darcy DO Designs Ltd | Wholesale & retail | 2024 |
| Dare to Empower Limited | Extraterritorial | 2024 |
| Darrenewen & Co Ltd | Wholesale & retail | 2025 |
| David Bruce Catering Ltd | Hospitality | 2026 |
| DE Caelo Limited | Other services | 2016 |
| Deveron Mechanical Services Limited | Professional & scientific | 2021 |
| Deveron Pet Shop Ltd | Wholesale & retail | 2022 |
| Deveron Services Ltd | Construction | 2025 |
| Deveron Valley Distillers Ltd | Wholesale & retail | 2019 |
| Deveronside Sporting Limited | Agriculture & fishing | 2017 |
| DG Painting Services Limited | Construction | 2022 |
| Digid Limited | Health & social care | 2013 |
| Dj's Dents Away Ltd. | Wholesale & retail | 2005 |
| DJB Software Consultants Limited | Information & communication | 1997 |
| DJH Joinery Ltd | Manufacturing | 2025 |
| DJR Property Maintenance Ltd | Construction | 2026 |
| DM Aviation Services Limited | Administrative & support | 2016 |
| Donmech Ltd | Manufacturing | 2023 |
| Donnelly (Scotland) Ltd | Financial services | 2013 |
| Donnelly Property Developments Limited | Real estate | 2013 |
| Donnelly Recreation Limited | Hospitality | 2013 |
| Doucar Ltd | Mining & quarrying | 2012 |
| Drum Hollistan Renewables LLP | | 2015 |
| Duguid Services Limited | Construction | 2026 |
| Duncan Farms Limited | Agriculture & fishing | 2014 |
| Duncan Fencing Limited | Construction | 2019 |
| Durno Limited | Agriculture & fishing | 2005 |
| Duthie Developments Limited | Real estate | 2022 |
| E D T W Properties Limited | Real estate | 2016 |
| Ecotec Compute Ltd | Information & communication | 2026 |
| Efas Agri Limited | Administrative & support | 2018 |
| EJM Potatoes Limited | Administrative & support | 2012 |
| Elaine Properties (International) Limited | Households | 2012 |
| Elstone Accountancy & Business Services Ltd | Professional & scientific | 2022 |
| Esther's Manna House Limited | Hospitality | 2023 |
| F R H Corporate Services Limited | Administrative & support | 2018 |
| Fairfield I & S Limited | Hospitality | 2003 |
| Farquharson Farming Limited | Agriculture & fishing | 2026 |
| Fedderate R Investments Limited | Mining & quarrying | 2016 |
| Feedmix Limited | Professional & scientific | 1988 |
| Feithhill Croft Limited | Hospitality | 2020 |
| Feithhill Limited | Agriculture & fishing | 2012 |
| Ferguson Geotechnical Limited | Professional & scientific | 2017 |
| Findlay Training Scotland Ltd | Education | 2023 |
| Fins Autos Limited | Wholesale & retail | 2025 |
| Five Roots Food Ltd | Hospitality | 2025 |
| Fjclarence Properties Ltd | Real estate | 2026 |