| CLEAN4YOU Division Ltd | Administrative & support | 2023 |
| Cleanerfish Scotland Limited | Agriculture & fishing | 2011 |
| Cleanerforyou Ltd | Administrative & support | 2017 |
| Cleanergy Ltd | Construction | 2025 |
| Cleaning and Maintenance Facilities Limited | Professional & scientific | 2003 |
| Cleaning and Maintenance SCO Ltd | Construction | 2019 |
| Cleaning B Domestic Ltd | Administrative & support | 2022 |
| Cleaning Buddies Limited | Administrative & support | 2016 |
| Cleaning Edinburgh 2024 Ltd | Administrative & support | 2023 |
| Cleaningforyou Ltd | Administrative & support | 2022 |
| Cleanmove Ltd | Transport & logistics | 2026 |
| Cleanmyclothes Group Ltd | Other services | 2025 |
| Cleanoserve Limited | Administrative & support | 2026 |
| Cleanovate Ltd | Administrative & support | 2024 |
| Cleanpol Ltd | Administrative & support | 2026 |
| Cleanspace Services (Edinburgh) Ltd | Administrative & support | 2018 |
| Cleanstone Ltd | Administrative & support | 2022 |
| Cleantech Europe II Special Investors, L.P. | | 2010 |
| Cleantech I General Partner L.P. | | 2012 |
| Cleantech II General Partner L.P. | | 2012 |
| Cleantech Scotland Ltd | Administrative & support | 2013 |
| Clear Capability Ltd | Professional & scientific | 2024 |
| Clear Click Ltd | Professional & scientific | 2020 |
| Clear Coast Ltd | Real estate | 2025 |
| Clear Cogent Solutions Limited | Information & communication | 2026 |
| Clear Dental Spa Ltd | Health & social care | 2019 |
| Clear Edge Windows Ltd | Construction | 2025 |
| Clear Logic Solutions Ltd | Information & communication | 2011 |
| Clear Marketing & Promotions L.P. | | 2012 |
| Clear Mortgage Solutions Limited | Financial services | 2013 |
| Clear Property Ventures Ltd | Real estate | 2026 |
| Clear Spark Consulting Ltd | Professional & scientific | 2024 |
| Clear Technology Solutions L.P. | | 2011 |
| Clear Ventures L.P. | | 2011 |
| Clearbell (CIP) III LP | | 2016 |
| Clearbell (CIP) IV LP | | 2021 |
| Clearbell (CIP) LP | | 2013 |
| Clearbell (Co-Invest) III LP | | 2016 |
| Clearbell (Co-Invest) IV LP | | 2021 |
| Clearbell (Coinvest) LP | | 2013 |
| Clearbell II (Feeder) GP LLP | | 2013 |
| Clearbell II (Feeder) LP | | 2013 |
| Clearbell II GP LLP | | 2013 |
| Clearbell II LP | | 2013 |
| Clearbell III (Feeder) GP LLP | | 2016 |
| Clearbell III (Feeder) LP | | 2016 |
| Clearbell III GP LLP | | 2016 |
| Clearbell III LP | | 2016 |
| Clearbell IV GP LLP | | 2021 |
| Clearbell IV LP | | 2021 |
| Clearbell SGP LLP | | 2013 |
| Clearbrew Edinburgh Limited | Administrative & support | 2014 |
| Clearbridge Investment Management Limited | Financial services | 1978 |
| Clearbrook Arena LP | | 2010 |
| Clearbrook Beacon LP | | 2005 |
| Clearbrook Carried Interest I LP | | 2004 |
| Clearbrook Castle L.P. | | 2006 |
| Clearbrook Falcon Investments LP | | 2005 |
| Clearbrook Gold Star Investments LP | | 2005 |
| Clearbrook Lighthouse Investments LP | | 2005 |
| Clearcut Tax Limited | Professional & scientific | 2022 |
| Clearline Building Limited | Construction | 2025 |
| Clearline Consulting Limited | Professional & scientific | 2018 |
| Clearline Wholesalers Ltd | Wholesale & retail | 2025 |
| Clearly Brilliant Limited | Financial services | 2005 |
| Clearmind Concussion Care Ltd | Health & social care | 2026 |
| Clearpath Delivery Limited | Professional & scientific | 2026 |
| Clearpoint Investments Ltd | Real estate | 2022 |
| Clearsight Founder Partner, L.P. | | 2008 |
| Clearsky Logic Limited | Information & communication | 2018 |
| Clearstone Systems Ltd | Information & communication | 2025 |
| Cleartaxation Solutions Limited | Professional & scientific | 2014 |
| Clearview Chalmers Advisory Ltd | Professional & scientific | 2026 |
| Clearview EYE Surgery Limited | Health & social care | 2013 |
| Clearwater Advisory Ltd | Professional & scientific | 2026 |
| Clearwater Bidco Limited | Professional & scientific | 2015 |
| Clearwater Capital Limited | Hospitality | 2003 |
| Clearwater Controls Ltd | Professional & scientific | 2009 |
| Cleddans Consulting Limited | Professional & scientific | 2016 |
| Cleddans Enterprises (2024) Limited | Administrative & support | 2024 |
| Clee Construction Limited | Construction | 2017 |
| Cleensolutions Ltd | Administrative & support | 2025 |
| Cleeton Property Company Ltd | Real estate | 2021 |
| Cleland Trade LP | | 2015 |
| Clelmora Limited | Professional & scientific | 2017 |
| Clemence Dutheil LP | | 2025 |
| Clemence Watches Limited | Manufacturing | 2021 |
| Clementia Angels Limited | Administrative & support | 2022 |
| Clementsfm Limited | Administrative & support | 2025 |
| Clementy High Yield Mortgage LP | | 2018 |
| Clemeriol Commerce LP | | 2013 |
| Clemmie Development Limited | Information & communication | 2013 |
| Clemmie.Xyz Limited | Information & communication | 2015 |
| Clemont Business LP | | 2015 |
| Clemorton Consultancy Limited | Administrative & support | 2001 |
| Cleo Systems LP | | 2014 |
| Clephane III Limited Partnership | | 2000 |
| Clephane Limited (79/818) | | 1946 |
| Clerco Ltd | Transport & logistics | 2022 |
| Clerkston Limited | Real estate | 2020 |