| Canary Services Ltd | Information & communication | 2024 |
| Canary Tax Avenues Limited | Professional & scientific | 2025 |
| Canary Wharf (NPW) Limited | Real estate | 2019 |
| Canary Wharf (SDS) Limited | Real estate | 2019 |
| Cancellations Express Ltd | Information & communication | 2023 |
| Cancer & Beyond CIC | Health & social care | 2026 |
| Cancun Lifestyle Ltd | Administrative & support | 2019 |
| Candeeloot Ltd | Wholesale & retail | 2023 |
| Candela Light Limited | Manufacturing | 1996 |
| Candela Lighting Limited | Manufacturing | 2025 |
| Candela Traditional Lighting Limited | Manufacturing | 1986 |
| Candid Data Services Ltd | Other services | 2021 |
| Candidate Portal Limited | Professional & scientific | 2004 |
| Candles Bloom Limited | Wholesale & retail | 2022 |
| Cando Developments Ltd | Information & communication | 2023 |
| Cando Group Construction Ltd | Construction | 2025 |
| Cando OD Ltd | Other services | 2019 |
| Candu Entertainment Limited | Transport & logistics | 2003 |
| Candy DK Market Ltd | Wholesale & retail | 2026 |
| Candy DK Mini Market Ltd | Wholesale & retail | 2024 |
| Candy Expert UK Ltd | Wholesale & retail | 2014 |
| Candy F.S. Ltd | Administrative & support | 2016 |
| Candy Mint Ltd | Other services | 2016 |
| Candycrushive Limited | Wholesale & retail | 2018 |
| Candykiingz Ltd | Wholesale & retail | 2023 |
| Candyland Play Village Ltd | Arts & recreation | 2024 |
| Candylicious Delights Limited | Wholesale & retail | 2020 |
| Candylicious Time Ltd | Wholesale & retail | 2023 |
| Candypott Property Ltd | Construction | 2019 |
| Caneat Limited | Hospitality | 2017 |
| Caneju Ltd | Manufacturing | 2024 |
| Canelo Construction Limited | Construction | 2017 |
| Canielpastryart Ltd | Wholesale & retail | 2025 |
| Canine Capers Dog Grooming Ltd | Professional & scientific | 2023 |
| Canine Experts Limited | Wholesale & retail | 2022 |
| Canine Perspective C.I.C. | Other services | 2014 |
| Caniphy Clinics Limited | Wholesale & retail | 2025 |
| Cankosash Limited | Financial services | 2025 |
| Cannabase Ltd | Health & social care | 2024 |
| Cannings Investment Holdings Limited | Financial services | 2021 |
| Cannington Spice Ltd | Hospitality | 2023 |
| Cannock Bites Ltd | Hospitality | 2026 |
| Cannock Builders Limited | Construction | 2020 |
| Cannock Coventry Hotel NO.1 LLP | | 2015 |
| Cannock Developments Limited | Construction | 1995 |
| Cannock Food Limited | Hospitality | 2024 |
| Cannock Food Services Ltd | Hospitality | 2024 |
| Cannock Homes Ltd | Construction | 2020 |
| Cannock Investments Limited | Financial services | 1991 |
| Cannock Mechanical Solutions Limited | Construction | 2018 |
| Cannock Padel Ltd | Administrative & support | 2026 |
| Cannock Recycling Limited | Extraterritorial | 1935 |
| Cannock Regen LLP | | 2006 |
| Cannock Renewables Limited | Energy | 2014 |
| Cannock Residential Limited | Construction | 2004 |
| Cannock SP Limited | Construction | 2001 |
| Cannock Topco Limited | Financial services | 2018 |
| Cannock Town Holdings Ltd | Hospitality | 2023 |
| Cannock Windfarm Services Limited | Administrative & support | 2014 |
| Cannon Clay Shooting Club and Outdoor Activities Ltd | Arts & recreation | 2017 |
| Cannon Consultants Limited | Professional & scientific | 2025 |
| Cannon Hill (UK) Limited | Wholesale & retail | 2006 |
| Canny Art Ltd | Wholesale & retail | 2023 |
| Canny Corporation Ltd | Administrative & support | 2001 |
| Canny Valley Ltd | Information & communication | 2022 |
| Cano Arts Limited | Information & communication | 2009 |
| Canoak Limited | Real estate | 2018 |
| Canoe UK Limited | Administrative & support | 2007 |
| Canola Fashion Limited | Wholesale & retail | 2026 |
| Canole Car Dealers Limited | Administrative & support | 2025 |
| Canole State Limited | Real estate | 2026 |
| Canon Legal Limited | Professional & scientific | 2023 |
| Canon Tutors Ltd | Professional & scientific | 2024 |
| Canonical Tutors Ltd | Education | 2022 |
| Canopus Commerce Ltd | Wholesale & retail | 2026 |
| Canopy Search Limited | Administrative & support | 2022 |
| Canopy Ventilations Ltd | Manufacturing | 2022 |
| Canpac Ltd | Wholesale & retail | 2026 |
| Cantability Ltd | Professional & scientific | 2018 |
| Cantaragiu Transport Ltd | Transport & logistics | 2019 |
| Canterbury Care Holdings Limited | Professional & scientific | 2005 |
| Canterbury Care Homes (NO.2) Limited | Health & social care | 2005 |
| Canterbury Care Homes Limited | Health & social care | 2005 |
| Canterbury Cross Education Trust | Education | 2016 |
| Canterbury Transport Limited | Transport & logistics | 2019 |
| Cantercross Limited | Administrative & support | 1987 |
| Cantonese House Limited | Hospitality | 2019 |
| Canuk Transformations Limited | Information & communication | 2009 |
| Canvas Studios Ltd | Manufacturing | 2025 |
| Canwell Investments Limited | Financial services | 2016 |
| CAO Family Holding Ltd | Real estate | 2023 |
| CAO Properties Limited | Real estate | 2024 |
| CAP Cleaners Ltd | Administrative & support | 2026 |
| CAP Healthcare Services Limited | Health & social care | 2022 |
| CAP Law Solicitors Ltd | Professional & scientific | 2012 |
| CAP RS Technology Limited | Information & communication | 2025 |
| CAP Sequoia Limited | Manufacturing | 2019 |
| Capability 360 Ltd | Education | 2015 |
| Capalisto Limited | Wholesale & retail | 2023 |
| Capaz Contracting Services Ltd | Other services | 2018 |