| Cairnsouth Residential Limited | Real estate | 2024 |
| Cairnstead Property Ltd | Real estate | 2026 |
| Cairnstone Consultancy Ltd | Information & communication | 2026 |
| Cairntawie Wind Energy Limited | Energy | 2025 |
| Cairoton Trading LP | | 2014 |
| Caithness Potato Breeders Limited | Agriculture & fishing | 1983 |
| Caiyside Properties Limited | Hospitality | 2018 |
| Caiystane IT Services Limited | Information & communication | 2003 |
| CAJ UK PVT Limited | Hospitality | 2023 |
| Cakan Ltd | Other services | 2021 |
| Cake Media Group Ltd | Information & communication | 2018 |
| Cakeaway Ltd | Manufacturing | 2025 |
| Cakesbymx Limited | Manufacturing | 2021 |
| Cakezonescotland Limited | Manufacturing | 2026 |
| Cala Group Limited | Construction | 2007 |
| Cala Land Investments (Bearsden) Limited | Construction | 2003 |
| Cala Land Investments Limited | Construction | 2002 |
| Cala Limited | Professional & scientific | 1875 |
| Cala Management Limited | Construction | 1925 |
| Cala Ventures Limited | Construction | 2006 |
| Calabar Tastee Ltd | Hospitality | 2025 |
| Caladh Investments | Other services | 2024 |
| Calafeill LP | | 2003 |
| Calait Limited | Real estate | 2021 |
| Calan Mathieson Medicolegal Ltd. | Administrative & support | 2017 |
| Calassio Commerce LP | | 2013 |
| Calavera Court Ltd | Wholesale & retail | 2026 |
| Calba Adaptive Insights Ltd | Information & communication | 2025 |
| Calba Business Ventures Ltd | Information & communication | 2025 |
| Calba Enterprises Limited | Real estate | 2019 |
| Calba Flow Systems Ltd | Information & communication | 2025 |
| Calba Limited | Information & communication | 1992 |
| Calba Training Ltd | Information & communication | 2025 |
| Calcivis Limited | Professional & scientific | 2011 |
| Calco Corporation L.P. | | 2011 |
| Calco Resources L.P. | | 2014 |
| Calco Solutions L.P. | | 2011 |
| Calco Worldwide L.P. | | 2010 |
| Calculus QS Limited | Professional & scientific | 2022 |
| Calda Alliance LP | | 2015 |
| Caldan Holdings Ltd | Financial services | 2025 |
| Caldat Ltd | Information & communication | 2023 |
| Caldenway Impex LP | | 2012 |
| Calder 22 Limited | Hospitality | 2019 |
| Calder Hairdressing Limited | Other services | 2019 |
| Calder Technologies LP | | 2014 |
| Calder Water Community Wind Co (Holdings) Ltd | Professional & scientific | 2012 |
| Calder Water Community Wind Co Ltd | Energy | 2011 |
| Caldera Impacts LP | | 2015 |
| Calderwood Ltd | Hospitality | 2025 |
| Calderwood Plumbing and Heating Limited | Construction | 2019 |
| Caldora Corporation LP | | 2015 |
| Caldow Collective Ltd | Real estate | 2023 |
| Calduero Wine Importers Limited | Wholesale & retail | 2013 |
| Caleast Asia Limited Partnership | | 2007 |
| Caleast Europe Limited Partnership | | 2006 |
| Caleco Limited | Other services | 2026 |
| Calecon (Holdings) Limited | Professional & scientific | 2007 |
| Caledon Admiral Limited | Real estate | 2014 |
| Caledon Charters Limited | Extraterritorial | 2016 |
| Caledon Developments Limited | Extraterritorial | 2013 |
| Caledon Properties Limited | Real estate | 2009 |
| Caledon Solutions LP | | 2015 |
| Caledon Telfer House Ltd | Extraterritorial | 2013 |
| Caledon Trongate Limited | Extraterritorial | 2011 |
| Caledon West LLP | | 2015 |
| Caledonia Apartments Limited | Hospitality | 2018 |
| Caledonia Asset Management Limited | Financial services | 2000 |
| Caledonia Classics Ltd | Wholesale & retail | 2021 |
| Caledonia Climate Action Services Limited | Administrative & support | 2019 |
| Caledonia Crest Impact CIC | Professional & scientific | 2025 |
| Caledonia Crest Ltd | Manufacturing | 2025 |
| Caledonia Financial Group Limited | Information & communication | 2020 |
| Caledonia Forest Land Investment Limited | Agriculture & fishing | 2015 |
| Caledonia Fortis Limited | Information & communication | 2024 |
| Caledonia Funeral AID CIC | Education | 2017 |
| Caledonia Health Consulting Ltd | Health & social care | 2021 |
| Caledonia Heritage Ltd | Wholesale & retail | 2021 |
| Caledonia Inns Limited | Hospitality | 1997 |
| Caledonia Investment Partners Ltd | Financial services | 2024 |
| Caledonia Journeys Ltd | Administrative & support | 2021 |
| Caledonia Languages Abroad Ltd. | Administrative & support | 1998 |
| Caledonia Laundry Ltd | Other services | 2024 |
| Caledonia Live Ltd | Administrative & support | 2023 |
| Caledonia Pharms Ltd | Agriculture & fishing | 2026 |
| Caledonia Promotions Ltd | Wholesale & retail | 2026 |
| Caledonia Public Affairs Limited | Professional & scientific | 2013 |
| Caledonia Real Estate Limited | Real estate | 2024 |
| Caledonia Risk Group Limited | Administrative & support | 2026 |
| Caledonia Solar Ltd | Construction | 2026 |
| Caledonia Weddings and Events Ltd | Hospitality | 2025 |
| Caledonia Will Services Limited | Professional & scientific | 2008 |
| Caledonian Air Surveys Limited | Professional & scientific | 2005 |
| Caledonian ALL Trades Limited | Other services | 2022 |
| Caledonian Bottlers PLC | Manufacturing | 1993 |
| Caledonian Business Centres Ltd. | Education | 1994 |
| Caledonian Capital Ltd | Administrative & support | 2023 |
| Caledonian Care Ltd | Professional & scientific | 2023 |
| Caledonian Care Services Ltd. | Public administration | 2021 |
| Caledonian Ceramics Dental LAB Ltd | Manufacturing | 2025 |