| City Roofing (Edinburgh) Limited | Other services | 2001 |
| City Roofing (Lothians) Limited | Construction | 2024 |
| City Roomz Scotland Ltd | Hospitality | 2025 |
| City Sales L.P. | | 2012 |
| City Stair Cleaning Edinburgh Ltd | Administrative & support | 2024 |
| City Surfacing Solutions Ltd | Other services | 2018 |
| City to City Coachlines Limited | Transport & logistics | 2018 |
| City Valet Limited | Administrative & support | 2019 |
| City Visits Ltd | Real estate | 2025 |
| City Wall Properties (Scotland) Limited | Real estate | 1994 |
| Citycomplex L.P. | | 2016 |
| Citycon Resources LP | | 2015 |
| Citycorp Enterprises L.P. | | 2015 |
| Citydevelphome Limited | Hospitality | 2018 |
| Cityfleet Networks Limited | Transport & logistics | 2001 |
| Citymark Group L.P. | | 2018 |
| Citymark L.P. | | 2015 |
| Citypoint Ltd | Real estate | 2014 |
| Cityport Sales L.P. | | 2013 |
| Cityscape Edinburgh LLP | | 2011 |
| Cityview Financial Investments L.P. | | 2011 |
| Civic Computing Limited | Information & communication | 2001 |
| Civic Practice Ltd | Professional & scientific | 2025 |
| Civic Soup Community Interest Company | Professional & scientific | 2016 |
| Civil Ground Aerial Engineering Limited | Professional & scientific | 2023 |
| CJ Dency Ltd | Hospitality | 2024 |
| CJ Robertson Accountancy Ltd | Professional & scientific | 2014 |
| CJ Shukla Limited | Health & social care | 2014 |
| CJ Smith Limited | Manufacturing | 2010 |
| CJA Consulting Engineers Ltd. | Professional & scientific | 2014 |
| CJB Resourcing Ltd | Administrative & support | 2025 |
| CJG Studio Ltd | Information & communication | 2017 |
| CJH Process Consulting Limited | Professional & scientific | 2020 |
| CJK Taxis Ltd. | Professional & scientific | 1999 |
| CJL Trustees Ltd | Extraterritorial | 2022 |
| CJM Investment Management Ltd | Extraterritorial | 2012 |
| CJM Portfolio Ltd | Real estate | 2020 |
| CJN Ltd | Hospitality | 2017 |
| CJR Roofing and Building Ltd | Construction | 2026 |
| CJT Property Investments Limited | Real estate | 2025 |
| CJW Decor Ltd | Construction | 2025 |
| CJW Property Holdings Ltd | Real estate | 2025 |
| Ck&Co Ltd | Real estate | 2025 |
| CKB Developments Limited | Construction | 2025 |
| Ckbevs Holdings Ltd | Real estate | 2024 |
| CKD Galbraith LLP | | 2003 |
| CKM Infotech Limited | Information & communication | 2021 |
| CKM Marine Service LP | | 2017 |
| CKM Pubs Ltd | Hospitality | 2024 |
| CKY Design Limited | Professional & scientific | 2015 |
| CL 2020 Limited | Information & communication | 2000 |
| CL2 LLP | | 2013 |
| Claar Psychology Limited | Health & social care | 2025 |
| Clach Energy Storage Limited | Energy | 2026 |
| Clachtoll Limited | Real estate | 2019 |
| Cladding SFS Ltd | Construction | 2016 |
| Claene Ltd | Administrative & support | 2026 |
| Claim Action Ltd | Administrative & support | 2023 |
| Claire Adams Total Health Ltd | Arts & recreation | 2018 |
| Claire and Oscar Productions Ltd | Education | 2022 |
| Claire Flynn Consulting Limited | Administrative & support | 2012 |
| Claire Watson Creative Ltd | Professional & scientific | 2019 |
| Claire's Beauty Salon Limited | Other services | 2013 |
| Claires Snack Bar Ltd | Hospitality | 2022 |
| Clairmonts Trustees Limited | Professional & scientific | 1995 |
| Clairona Produce Limited | Wholesale & retail | 2000 |
| Clami SP | | 2002 |
| Clan Campbell (Whisky) Limited | Wholesale & retail | 2016 |
| Clan Childlaw Limited | Professional & scientific | 2014 |
| Clan Fit Edinburgh Ltd | Extraterritorial | 2022 |
| Clan Gordon Limited | Real estate | 2008 |
| Clan House Promotions Limited | Manufacturing | 2017 |
| Clan Investments Ltd | Professional & scientific | 2020 |
| Clan Irving Limited | Administrative & support | 2012 |
| Clan Language Schools Ltd | Education | 2023 |
| Clan Mclachlan Financial Ltd | Professional & scientific | 2024 |
| Clan Pascual Tours Ltd | Administrative & support | 2021 |
| Clan Pictures Ltd | Information & communication | 2020 |
| Clan Tartan Clothing Ltd | Wholesale & retail | 2026 |
| Clancys Property Ltd | Real estate | 2026 |
| Clancys Solicitors and Estate Agents Limited | Professional & scientific | 2016 |
| Clanport Limited | Real estate | 2003 |
| Clantrip Limited | Transport & logistics | 1998 |
| Clap Your Hands Ltd | Hospitality | 2013 |
| Claphill Development LP | | 2011 |
| Clapperton Consulting Ltd | Professional & scientific | 2022 |
| Clare Blatherwick FGA DGA Limited | Wholesale & retail | 2018 |
| Clare Kerr Ltd. | Extraterritorial | 2002 |
| Clare Thomson Interiors Limited | Professional & scientific | 2023 |
| Clareant UK DLF Carried Interest Limited Partnership | | 2012 |
| Claremont Estates Limited | Real estate | 2022 |
| Claremont Guest House (Edinburgh) Ltd | Hospitality | 2018 |
| Claremont Park (Scotland) Limited | Other services | 2009 |
| Clarence & Avondale C.I.C. | Education | 2025 |
| Clarence & Avondale Padel Club Ltd | Arts & recreation | 2025 |
| Clarence Murray (Potato Growers and Farmers) Limited | Agriculture & fishing | 1973 |
| Clarendon Contracts Limited | Construction | 2020 |
| Clarendon Trust LP | | 2002 |
| Claret Co-Invest Carry GP LLP | | 2021 |
| Claret Co-Invest Carry Limited Partnership | | 2021 |