| Cleaning Company Aberdeen Ltd | Administrative & support | 2022 |
| Clear Blue Cleaning Limited | Administrative & support | 2009 |
| Clear Cosmetics Ltd | Health & social care | 2022 |
| Clear Focus Movies Limited | Administrative & support | 2012 |
| Clear Pro Ltd | Administrative & support | 2026 |
| Clearcost Energy (GB) Limited | Information & communication | 2010 |
| Clearcost Energy Limited | Professional & scientific | 1997 |
| Clearfit Masks Ltd | Manufacturing | 2023 |
| Clearline Design Ltd. | Professional & scientific | 2026 |
| Clearview Pvcu Windows & Doors Limited | Construction | 2019 |
| Clearwater Electrical Limited | Construction | 2010 |
| Clearwater Fire Solutions Limited | Professional & scientific | 2019 |
| Clearwell Energy Holdings Limited | Other services | 2017 |
| Clenergy Engineering Solutions Ltd | Professional & scientific | 2024 |
| Cleofol Enterprises Limited | Professional & scientific | 2019 |
| Clicc Ltd. | Administrative & support | 2002 |
| Clickfizz Digital Limited | Wholesale & retail | 2025 |
| Clicknsend Limited | Transport & logistics | 2023 |
| Clicquot Investments Ltd | Professional & scientific | 2016 |
| Cliffview Development Ltd | Administrative & support | 2002 |
| Clifton Accountancy Ltd | Professional & scientific | 2021 |
| Clifton Consultants Ltd | Professional & scientific | 2024 |
| Clifton Field Sports Limited | Arts & recreation | 2014 |
| Clifton Wealth Partnership (Aberdeen) Limited | Financial services | 2017 |
| Cligues' Resources Limited | Wholesale & retail | 2025 |
| Clinic C Health & Aesthetics Ltd | Other services | 2022 |
| Clinterty Estates Limited | Agriculture & fishing | 1993 |
| Clipper Holdings Limited | Professional & scientific | 1987 |
| Clive Kennedy Consulting Limited | Professional & scientific | 2011 |
| Cloud Partner Solutions Ltd | Information & communication | 2024 |
| Cloud Store 1122 Ltd | Wholesale & retail | 2025 |
| Cloud Techies Ltd | Information & communication | 2025 |
| Cloudshift AI Transformation Ltd | Information & communication | 2026 |
| Clover Corner Limited | Wholesale & retail | 2023 |
| Clover Tool Europe Limited | Manufacturing | 2015 |
| CLR Service and Sales Ltd | Real estate | 2016 |
| CLS Limited | Arts & recreation | 2001 |
| Cluara Ltd | Information & communication | 2025 |
| Cluc Designs Ltd | Professional & scientific | 2024 |
| Clyde Coast MS Therapy Centre Ltd. | Other services | 1992 |
| Clōr Ltd | Wholesale & retail | 2025 |
| CM & STN Waqi'Ah Limited | Hospitality | 2025 |
| CM Aberdeen Limited | Other services | 2023 |
| CM ENG Limited | Professional & scientific | 2015 |
| CM Engineering & Design Ltd | Professional & scientific | 2017 |
| CM Orthopaedics Limited | Health & social care | 2022 |
| CMC Customs Ltd | Wholesale & retail | 2025 |
| Cmckel Ltd | Wholesale & retail | 2014 |
| Cmcm Solutions Ltd | Professional & scientific | 2024 |
| Cmcqa Ltd | Professional & scientific | 2017 |
| CMD Group Scotland Ltd | Manufacturing | 2023 |
| Cmdm Group Ltd | Real estate | 2023 |
| Cmdm Leasing Ltd | Real estate | 2022 |
| Cmdm Properties Ltd | Real estate | 2020 |
| CMI Properties Ltd. | Real estate | 1991 |
| CMJ (Aberdeen) Limited | Construction | 2007 |
| CML Inverness Ltd | Hospitality | 2023 |
| Cmrk Ltd | Hospitality | 2025 |
| CMS Web Solutions Ltd | Information & communication | 2011 |
| CMS96 Ltd | Mining & quarrying | 2024 |
| CN Fitness Ltd | Other services | 2015 |
| CNH Limited | Administrative & support | 1999 |
| CNK OIL and GAS Services Ltd | Other services | 2025 |
| Coached by Stacey Ltd | Other services | 2022 |
| Coastal Cabs Ltd. | Other services | 2017 |
| Cobalt Shield Ltd | Information & communication | 2026 |
| Cobra PM Limited | Professional & scientific | 2013 |
| Cobra Property Solutions Ltd | Hospitality | 2022 |
| Cobra Wind International Ltd | Construction | 2017 |
| Cocktail Events Ltd | Hospitality | 2022 |
| Coco - Craig Ogston Client Operations Limited | Professional & scientific | 2022 |
| Code 4 Holdings Ltd | Administrative & support | 2011 |
| Code Decoded Ltd | Real estate | 2019 |
| Coffee Scotland Ltd. | Wholesale & retail | 2018 |
| Coffee Societea Limited | Hospitality | 2012 |
| Coilacriech Park Limited | Hospitality | 1986 |
| Coin LAB VC I Carry LP | | 2018 |
| Coinneach Services Limited | Professional & scientific | 2019 |
| Colab Property 2 Ltd | Hospitality | 2024 |
| Colab Property Ltd | Real estate | 2024 |
| Cold Shore Projects Limited | Information & communication | 2018 |
| Coleman Aberdeen Ltd | Other services | 2017 |
| Colin Fraser Limited | Manufacturing | 2002 |
| Colin G Berry Carpenters and Joiners Ltd | Manufacturing | 2012 |
| Colin Johnstone Limited | Construction | 2012 |
| Colin Lawson Transport Limited | Wholesale & retail | 2004 |
| Colin Napier Dairies Ltd. | Wholesale & retail | 2004 |
| Colin Wood (Antiques) Limited | Wholesale & retail | 1978 |
| Colin's Fleet Ltd | Wholesale & retail | 2025 |
| Colin's Tyres Ltd | Wholesale & retail | 2026 |
| Colitto Ltd | Wholesale & retail | 2018 |
| Collab Construction Ltd | Administrative & support | 2018 |
| Collaborative Business Development Limited | Information & communication | 2016 |
| Collabrio Coaching Limited | Administrative & support | 2024 |
| Collabro Limited | Mining & quarrying | 2003 |
| Collect Co Cults Ltd | Health & social care | 2023 |
| Collective Home Care Scotland Ltd | Public administration | 2024 |
| Collective Studios Hair and Beauty Limited | Other services | 2024 |
| Collie Engineering Consultants Limited | Other services | 2013 |
| Collieserv Ltd | Professional & scientific | 2025 |