| Caledonian Commerce Ltd | Wholesale & retail | 2026 |
| Caledonian Commercial Realty Ltd | Real estate | 2025 |
| Caledonian Ecommerce Solutions Limited | Information & communication | 2015 |
| Caledonian Economics Ltd. | Professional & scientific | 1996 |
| Caledonian Education Information Centre Limited | Other services | 2007 |
| Caledonian Finance Limited | Real estate | 1990 |
| Caledonian Foundation | Real estate | 2011 |
| Caledonian Group Services Limited | Administrative & support | 2018 |
| Caledonian Heating and Plumbing Limited | Construction | 2003 |
| Caledonian Heritable Limited | Hospitality | 1981 |
| Caledonian Industrial Limited | Construction | 1999 |
| Caledonian Jade Properties Ltd | Real estate | 2025 |
| Caledonian Landscaping Ltd | Administrative & support | 2013 |
| Caledonian Leasehold Outlets Limited | Hospitality | 2013 |
| Caledonian Management Services Limited | Professional & scientific | 2019 |
| Caledonian Maritime Research C.I.C. | Professional & scientific | 2024 |
| Caledonian Media (UK) Ltd | Wholesale & retail | 2019 |
| Caledonian OFF Licence Ltd | Wholesale & retail | 2017 |
| Caledonian Partners LP | | 2016 |
| Caledonian Procurement Ltd | Wholesale & retail | 2018 |
| Caledonian Property Group Limited | Professional & scientific | 1981 |
| Caledonian Realty Ltd | Real estate | 2024 |
| Caledonian Snooker Ltd | Arts & recreation | 2010 |
| Caledonian Systems LP | | 2012 |
| Caledonian Technologies Ltd | Professional & scientific | 2018 |
| Caledonian UK Traders Ltd | Wholesale & retail | 2020 |
| Caledonian Waste Services Ltd | Transport & logistics | 2024 |
| Caledonian Water Services Limited | Water & waste | 2025 |
| Caledonian Windows Limited | | 2003 |
| Caledonian Wynd Properties Limited | Real estate | 2024 |
| Caledra Trading Ltd | Wholesale & retail | 2026 |
| Calendrax Estate LP | | 2015 |
| Calendula III LP | | 2014 |
| Calero Mdsl Limited | Professional & scientific | 2001 |
| Calescent GAS & Heating Services Ltd | Construction | 2019 |
| Calex Capital LP | | 2016 |
| Calex Group Limited | Administrative & support | 2015 |
| Caley Home Care Ltd | Health & social care | 2014 |
| Caley Ltd | Wholesale & retail | 2019 |
| Caley Outdoors Ltd | Manufacturing | 2026 |
| Caley Water Holdings Ltd | Financial services | 2024 |
| Caley Water Ltd | Construction | 2005 |
| Caley Water Property Ltd | Real estate | 2025 |
| Caleylock Edinburgh Limited | Administrative & support | 2011 |
| Caleytech Limited | Information & communication | 2019 |
| Calf 2 Carry Partner LP | | 2025 |
| Calf 2 General Partner LLP | | 2025 |
| Calf 2 GP LP | | 2025 |
| Calgary Connex Ltd | Professional & scientific | 2020 |
| Calhaven Property Ltd | Real estate | 2025 |
| Cali Construction Limited | Construction | 2017 |
| Cali Technologies Ltd | Information & communication | 2026 |
| Calico Joinery & Property Developments Ltd | Construction | 2026 |
| Calico Medical Communications Limited | Professional & scientific | 2024 |
| California Beach Title 1 Limited | Professional & scientific | 2000 |
| California Beach Title 10 Limited | Professional & scientific | 2000 |
| California Beach Title 11 Limited | Professional & scientific | 2000 |
| California Beach Title 2 Limited | Professional & scientific | 2000 |
| California Beach Title 3 Limited | Professional & scientific | 2000 |
| California Beach Title 4 Limited | Professional & scientific | 2000 |
| California Beach Title 5 Limited | Professional & scientific | 2000 |
| California Beach Title 6 Limited | Professional & scientific | 2000 |
| California Beach Title 7 Limited | Professional & scientific | 2000 |
| California Beach Title 8 Limited | Professional & scientific | 2000 |
| California Beach Title 9 Limited | Professional & scientific | 2000 |
| California Investment L.P. | | 2010 |
| California Title Limited | Professional & scientific | 1998 |
| Calimton LP | | 2016 |
| Calio Claims Limited | Administrative & support | 2019 |
| Calis Livingston Ltd | Wholesale & retail | 2022 |
| Calisjoy Consult & Services Ltd | Administrative & support | 2025 |
| Calix Business LP | | 2016 |
| Call-In Homecare Limited | Health & social care | 1995 |
| CALL4ALL Labs LP | | 2017 |
| Callaghan Financial Coaching Limited | Financial services | 2018 |
| Callahan Investments | Other services | 2022 |
| Callanetics Scotland Ltd | Other services | 2010 |
| Callanish Investment Ltd | Professional & scientific | 2018 |
| Callanish Land Limited | Construction | 1996 |
| Callean Enterprises LP | | 2008 |
| Callendar House Developments Ltd | Construction | 2023 |
| Callerheugh Limited | Agriculture & fishing | 2012 |
| Callidus Design Limited | Professional & scientific | 2005 |
| Callidus Wealth Management Ltd | Financial services | 2013 |
| Callisterhall Holdings Limited | Financial services | 2021 |
| Callisterhall Limited | Energy | 2021 |
| Callisto Group LP | | 2016 |
| Callisto Partners LP | | 2020 |
| Callson Limited | Financial services | 1980 |
| Calltex Export LP | | 2014 |
| Callum Clarke Ltd | Manufacturing | 2025 |
| Callum Connolly Building & Landscaping Limited | Administrative & support | 2024 |
| Calluna Investments Ltd | Real estate | 2016 |
| Calm Confident Parenting Limited | Information & communication | 2021 |
| Calman Technology Limited | Manufacturing | 1992 |
| Calmblue Limited | Other services | 2011 |
| Calmech Ltd | Construction | 2021 |
| Calmech Properties Ltd | Real estate | 2022 |
| Calmiker Group Ltd | Construction | 2016 |
| Calmilton Trading LP | | 2013 |