| Cronus Appliance Giants Ltd | Wholesale & retail | 2025 |
| Croombes & Co Limited | Financial services | 2025 |
| Croookies Ltd | Wholesale & retail | 2026 |
| Cropa Ltd | Transport & logistics | 2017 |
| Cropston 2004 Ltd | Real estate | 2017 |
| Cropston Electrical Ltd | Construction | 2025 |
| Cropston Heating Limited | Construction | 2013 |
| Cropston Limited | Real estate | 2003 |
| Cropston Merit Ltd | Administrative & support | 2014 |
| Crosec Limited | Health & social care | 2012 |
| Cross & Main Ltd | Education | 2022 |
| Cross Border Legal Solicitors Ltd | Professional & scientific | 2014 |
| Cross Builders Limited | Construction | 2021 |
| Cross Harbour Solutions Limited | Information & communication | 2013 |
| Cross Keys Green 1960 Limited | Extraterritorial | 2014 |
| Cross Machined Components Limited | Manufacturing | 2004 |
| Cross Parades Ltd | Wholesale & retail | 2024 |
| Cross Street Laundry Ltd | Administrative & support | 2025 |
| Crosschem International Limited | Wholesale & retail | 1993 |
| Crosscut Media Limited | Information & communication | 2018 |
| Crossed Pathways Limited | Financial services | 2023 |
| Crossfit LE3 Ltd | Arts & recreation | 2014 |
| Crossfit Leicester Ltd | Extraterritorial | 2013 |
| Crossfitbfg Limited | Arts & recreation | 2017 |
| Crossgate Advisory Limited | Administrative & support | 2017 |
| Crossgate Investment Group Limited | Real estate | 2024 |
| Crossgate Limited | Information & communication | 2006 |
| Crosspix Ltd | Wholesale & retail | 2026 |
| Crossroads Finance Limited | Financial services | 2018 |
| Crosswater Transport Ltd | Transport & logistics | 2014 |
| Crossways Consultancy Services UK Limited | Information & communication | 2021 |
| Crouch Corporate Limited | Financial services | 2012 |
| Crouch Farms Limited | Financial services | 2012 |
| Crouch Sales Limited | Wholesale & retail | 2012 |
| Crowd Management & Security Limited | Administrative & support | 2025 |
| Crowdell Consulting Limited | Professional & scientific | 2022 |
| Crowdhill Enterprise Ltd | Transport & logistics | 2014 |
| Crowfoots Transport Group Limited | Transport & logistics | 2016 |
| Crown Alignment Ltd | Wholesale & retail | 2026 |
| Crown Banqueting Hall Ltd | Real estate | 2025 |
| Crown Banqueting Limited | Real estate | 2025 |
| Crown Cars (Leic) Ltd | Transport & logistics | 2018 |
| Crown Cars Sale (UK) Limited | Wholesale & retail | 2023 |
| Crown Clothing (Leic) Ltd | Manufacturing | 2011 |
| Crown Crest (Holdings) PLC | Real estate | 1994 |
| Crown Crest Enterprises PLC | Wholesale & retail | 1980 |
| Crown Crest Group Limited | Financial services | 2006 |
| Crown Design and Development Limited | Administrative & support | 2010 |
| Crown Graphic Solutions Ltd | Manufacturing | 2009 |
| Crown Heating Services Limited | Construction | 1993 |
| Crown HER Limited | Wholesale & retail | 2025 |
| Crown Hills Property Ltd | Real estate | 2026 |
| Crown Hills Taxis and Care Services Ltd | Transport & logistics | 2022 |
| Crown House Apartments Ltd | Real estate | 2006 |
| Crown House Kibworth Management Company Ltd | Households | 2019 |
| Crown International Group Limited | Professional & scientific | 2017 |
| Crown Limited | Construction | 2008 |
| Crown Mart Wholesale Limited | Wholesale & retail | 2025 |
| Crown Textiles Limited | Real estate | 1995 |
| Crown Thing Ltd | Manufacturing | 2022 |
| Crown&Clover Limited | Transport & logistics | 2026 |
| Crowned Management Ltd | Financial services | 2024 |
| Crownstone Windows Ltd | Transport & logistics | 2024 |
| Crowthorne Earl Ltd | Wholesale & retail | 2025 |
| Croxden Unsurpassed Ltd | Transport & logistics | 2015 |
| Croxteth Logistics Ltd | Transport & logistics | 2014 |
| CRP Homes Ltd | Real estate | 2026 |
| Crrg Ltd | Professional & scientific | 2025 |
| CRS GAS & Heating Limited | Construction | 2007 |
| CRS Matrix Limited | Professional & scientific | 2023 |
| CRT Enterprises Limited | Education | 2013 |
| Crts Leics Ltd | Professional & scientific | 2023 |
| Crunchie Bites Ltd | Manufacturing | 2026 |
| Crunzo Limited | Hospitality | 2025 |
| Crusader European Logistics Limited | Transport & logistics | 2004 |
| Crush Consulting Limited | Professional & scientific | 2021 |
| Crushing Plant Sales Limited | Extraterritorial | 2008 |
| Crushing Spares International Limited | Extraterritorial | 2008 |
| Crushing Spares Limited | Extraterritorial | 2008 |
| Crux Catholic Media UK Ltd | Professional & scientific | 2021 |
| Cruz Conzulting Ltd | Information & communication | 2025 |
| Cruze Group Ltd | Wholesale & retail | 2025 |
| Cryospark Ltd | Information & communication | 2025 |
| Crypto Tyres Ltd | Wholesale & retail | 2022 |
| Cryptoinsightuk Trading Limited | Wholesale & retail | 2019 |
| Crystal Auras Ltd | Wholesale & retail | 2022 |
| Crystal Care Service (Leicester) Limited | Health & social care | 2014 |
| Crystal Clean Cleaning Ltd | Administrative & support | 2024 |
| Crystal Clearance Limited | Construction | 2009 |
| Crystal Click Limited | Information & communication | 2011 |
| Crystal Croftdene Limited | Health & social care | 2017 |
| Crystal Edge Limited | Wholesale & retail | 2007 |
| Crystal Events Ltd | Hospitality | 2023 |
| Crystal Foods Ltd | Wholesale & retail | 2026 |
| Crystal Hair and Beauty Limited | Other services | 2010 |
| Crystal Law Limited | Professional & scientific | 2013 |
| Crystal Lease Ltd | Wholesale & retail | 2023 |
| Crystal Maize Limited | Manufacturing | 2024 |
| Crystal Nails & Beauty Lounge Ltd | Other services | 2025 |
| Crystal Pure Water International Ltd | Water & waste | 2020 |