| Crazy Tops Ltd | Wholesale & retail | 2026 |
| Creamway Limited | Hospitality | 1995 |
| Create & Build Group Ltd | Construction | 2015 |
| Create Connections Limited | Professional & scientific | 2013 |
| Createsign London Ltd | Information & communication | 2020 |
| Creation London Ltd | Extraterritorial | 2021 |
| Creation Projects Design & Build Ltd | Construction | 2023 |
| Creative Care Skills Academy Limited | Education | 2015 |
| Creative Communication Solutions Ltd | Construction | 2015 |
| Creative Conscience Limited | Professional & scientific | 2012 |
| Creative Consultancies Ltd | Professional & scientific | 2020 |
| Creative Design & Construction Limited | Construction | 2018 |
| Creative Developments Freelance Limited | Professional & scientific | 2014 |
| Creative Engineers Ltd | Construction | 2022 |
| Creative Friends Limited | Hospitality | 2016 |
| Creative Hospitality Ltd | Hospitality | 2017 |
| Creative London Spaces Ltd | Information & communication | 2026 |
| Creative Nexus Ltd | Information & communication | 2026 |
| Creative Signs and Design Ltd | Manufacturing | 2014 |
| Creative Signs and Projects Limited | Professional & scientific | 2023 |
| Creative Solutions LDN Limited | Other services | 2017 |
| Creative Store Ltd | Wholesale & retail | 2025 |
| Creative Virtual Ltd | Information & communication | 2003 |
| Creativeed Media Ltd | Professional & scientific | 2021 |
| Creativemode Limited | Information & communication | 2020 |
| Creed Investments Ltd | Real estate | 2023 |
| Creed Travel Mgmt Limited | Professional & scientific | 2019 |
| Creek International Limited | Other services | 2022 |
| Creighton Cargo Transport Limited | Transport & logistics | 2022 |
| Creo Media Ltd | Information & communication | 2022 |
| Crepcentrall Ltd | Wholesale & retail | 2020 |
| Crescent Care Service Limited | Administrative & support | 2023 |
| Crescent Distributions Limited | Wholesale & retail | 2026 |
| Crescent Gamebird & Poultry Products Suppliers Ltd | Wholesale & retail | 2021 |
| Crescent Mart Ltd | Wholesale & retail | 2024 |
| Crescent Stays Ltd | Hospitality | 2025 |
| Cresco IM Limited | Real estate | 2015 |
| Cresent Crave Ltd | Hospitality | 2025 |
| Crest Autos Ltd | Wholesale & retail | 2024 |
| Crest Country Homes Ltd | Real estate | 2023 |
| Crest Ventures and Holdings Ltd | Real estate | 2026 |
| Crestgate Estates Limited | Real estate | 2002 |
| Cresthaven Limited | Wholesale & retail | 2011 |
| Crestmount M&E Limited | Construction | 2010 |
| Cresttucker Consulting Limited | Professional & scientific | 2025 |
| Crestverge Properties (London) Ltd | Real estate | 2017 |
| Crestview Group Ltd | Financial services | 2024 |
| Crew Support Ltd | Administrative & support | 2025 |
| CRH Global Ltd | Construction | 2025 |
| Criccounty Stores Ltd | Manufacturing | 2022 |
| Criesma Ltd | Wholesale & retail | 2023 |
| Criminal Defence Solicitors Ltd | Professional & scientific | 2008 |
| Crimson FOX Developments Ltd | Construction | 2024 |
| Crimson FOX Group Ltd | Financial services | 2024 |
| Crimson FOX Retail Ltd | Wholesale & retail | 2025 |
| Crimson Grey Associates Limited | Water & waste | 2020 |
| Crimson Marketing Ltd | Professional & scientific | 2019 |
| Cripto Barber's Ltd | Other services | 2022 |
| Cris&Rox Ltd | Other services | 2025 |
| Crisan Contractor Limited | Construction | 2024 |
| Crisis Connect Ltd | Information & communication | 2026 |
| Crisis Relief International | Health & social care | 2012 |
| Crisisconnect Network CIC | Wholesale & retail | 2026 |
| Crisp Limited | Professional & scientific | 1989 |
| Crispbrains Ltd. | Professional & scientific | 2022 |
| Crispm Holdings Ltd | Professional & scientific | 2020 |
| Crispy’S Chicken Ltd. | Hospitality | 2021 |
| Crisred Ltd | Transport & logistics | 2017 |
| Crissy London Ltd | Hospitality | 2023 |
| Cristal Plan Limited | Hospitality | 2018 |
| Cristian Building Ltd | Construction | 2017 |
| Cristian Coanca Ltd | Transport & logistics | 2016 |
| Cristian Concept Ltd | Wholesale & retail | 2021 |
| Cristian Maintenance Solutions Ltd | Manufacturing | 2021 |
| Cristidiana Fixing Ltd | Construction | 2026 |
| Cristinabakery Limited | Hospitality | 2025 |
| CRK Estate Management Limited | Real estate | 2011 |
| CRK London Limited | Wholesale & retail | 2013 |
| Crofts DP Limited | Health & social care | 2011 |
| Crombiz Ltd | Real estate | 2025 |
| Cromwell Homes Limited | Real estate | 2019 |
| Cronin Contractors Limited | Wholesale & retail | 1990 |
| Crookhorn Pharma Limited | Wholesale & retail | 2025 |
| Croptd Ltd | Information & communication | 2022 |
| Cross Framework Automation Ltd | Information & communication | 2024 |
| Cross Ocean Travel & Tours Ltd | Transport & logistics | 2023 |
| Crossbell Investment Holdings Limited | Financial services | 2024 |
| Crossbell Investments Limited | Real estate | 2024 |
| Crossblade Risk Management Group Ltd | Wholesale & retail | 2025 |
| Crossite Ltd | Information & communication | 2005 |
| Crossover Limited | Professional & scientific | 1996 |
| Crossworld (London) Ltd | Administrative & support | 2026 |
| Crouch Vale Limited | Real estate | 2026 |
| Crown & Careers Ltd | Administrative & support | 2024 |
| Crown & Crescent Global Ltd | Wholesale & retail | 2026 |
| Crown Advisors Ltd | Professional & scientific | 2024 |
| Crown Choice Investments Limited | Real estate | 2011 |
| Crown Crest Partners Ltd | Hospitality | 2026 |
| Crown Doors London Limited | Manufacturing | 2024 |
| Crown Edge Consulting Limited | Professional & scientific | 2026 |