| Canterbury Lodges & Glamping Ltd. | Real estate | 2013 |
| Canterbury Lofts and Building Limited | Construction | 2019 |
| Canterbury Marquee Event Hire Ltd | Administrative & support | 2022 |
| Canterbury Medical Ltd | Other services | 2023 |
| Canterbury Midco Limited | Financial services | 2025 |
| Canterbury Mobile Tyres Limited | Wholesale & retail | 2021 |
| Canterbury Monument Ltd | Hospitality | 2020 |
| Canterbury Motoring World Limited | Wholesale & retail | 2012 |
| Canterbury Original Velotours Ltd. | Administrative & support | 2025 |
| Canterbury Orthopaedic Clinic Ltd | Health & social care | 2025 |
| Canterbury Orthopaedics Ltd | Health & social care | 2010 |
| Canterbury Pilates Ltd | Health & social care | 2008 |
| Canterbury Plumbing Supplies Limited | Construction | 2011 |
| Canterbury Private and Commercial Properties Limited | Extraterritorial | 2021 |
| Canterbury Project Management Ltd | Construction | 2024 |
| Canterbury Properties Management Ltd | Real estate | 2020 |
| Canterbury Property Investments Limited | Real estate | 2024 |
| Canterbury Records Limited | Extraterritorial | 2015 |
| Canterbury River Boat Tours Limited | Transport & logistics | 2018 |
| Canterbury River Navigation Company Ltd | Transport & logistics | 2022 |
| Canterbury River Tours Limited | Transport & logistics | 2020 |
| Canterbury Rugby Charity | Arts & recreation | 2011 |
| Canterbury Rugby Supporters Club Limited | Other services | 2014 |
| Canterbury Sausage and Burger Ltd | Hospitality | 2023 |
| Canterbury Scaffolding Ltd | Construction | 2019 |
| Canterbury Sheet Metal Limited | Manufacturing | 1994 |
| Canterbury Sky Taxis Ltd | Transport & logistics | 2021 |
| Canterbury Smile Limited | Health & social care | 2022 |
| Canterbury Squash Rackets Club Limited | Arts & recreation | 2023 |
| Canterbury Tailoring & Alteration Services Ltd | Other services | 2023 |
| Canterbury Tails Cat Cafe Ltd | Hospitality | 2020 |
| Canterbury Taxis Ltd | Transport & logistics | 2006 |
| Canterbury Theatre and Festival Trust | Arts & recreation | 1980 |
| Canterbury Topco Limited | Financial services | 2025 |
| Canterbury TPS LLP | | 2007 |
| Canterbury Ultrasound Ltd | Health & social care | 2021 |
| Canterbury Umbrella | Health & social care | 2012 |
| Canterbury Vibes Events Ltd | Professional & scientific | 2022 |
| Canterbury Website Design & SEO Ltd | Information & communication | 2020 |
| Canterbury Window Ltd | Wholesale & retail | 2025 |
| Canterbury Window Systems Ltd | Manufacturing | 2015 |
| Canterbury/East Kent LLP | | 2023 |
| Cantercare | Extraterritorial | 1992 |
| Cantia Dental Limited | Health & social care | 2019 |
| Cantobrit Ltd | Real estate | 2023 |
| Canton Tea Supplies Limited | Wholesale & retail | 2020 |
| Canvins Equestrian Ltd | Agriculture & fishing | 2025 |
| Cape Hare Property Management Ltd | Real estate | 2025 |
| CAPES4MINIFIGS Ltd | Manufacturing | 2024 |
| Caphold Limited | Financial services | 2013 |
| Capital Concrete Limited | Manufacturing | 2016 |
| Capital Dog Care Ltd | Agriculture & fishing | 2016 |
| Capital Markets Events Limited | Administrative & support | 2010 |
| Capital Real Estate Group Ltd | Real estate | 2018 |
| Cappropone Limited | Extraterritorial | 2013 |
| Capproptwo Limited | Real estate | 2013 |
| Capstan Square Limited | Administrative & support | 2012 |
| Car Paint Supplies Ltd | Wholesale & retail | 2019 |
| Carausius Court Management Company Ltd. | Households | 2009 |
| Carbdent Ltd | Health & social care | 2022 |
| Carbprop Ltd | Real estate | 2025 |
| Cardinals CAP Limited | Hospitality | 2024 |
| Care Connect Cleaning Limited | Administrative & support | 2019 |
| Care Connect England Ltd | Administrative & support | 2020 |
| Care Connect Kent Ltd | Administrative & support | 2017 |
| Care for YOU Coaching Ltd | Extraterritorial | 2024 |
| Care Plus Services Ltd | Health & social care | 2016 |
| Care Principles Limited | Health & social care | 2018 |
| Care Quality Care Ltd | Health & social care | 2023 |
| CARE365 Limited | Administrative & support | 2018 |
| Carecapital Ltd | Health & social care | 2025 |
| Careerline Limited | Administrative & support | 1989 |
| Careers Employability and Independence Programme Limited | Education | 2017 |
| Carena Guest House Limited | Hospitality | 2019 |
| Cargo Mariners Ltd | Transport & logistics | 2019 |
| CARGOM8 Ltd | Transport & logistics | 2021 |
| Caris International Real Estate Limited | Real estate | 2019 |
| Caritas Homes Limited | Health & social care | 2021 |
| Carl Trenfield Architects Limited | Professional & scientific | 2012 |
| Carla Wessel Ltd. | Professional & scientific | 2017 |
| Carmatched.Com Ltd | Wholesale & retail | 2013 |
| Carousel Creche Company Limited | Other services | 2014 |
| Carpenter Miller Group Ltd | Administrative & support | 2022 |
| Carpentry Solutions Limited | Construction | 2018 |
| Carpentry Way Limited | Construction | 2020 |
| Carra-Pet Foods Ltd | Wholesale & retail | 2017 |
| Carradale CW5 LLP | | 2020 |
| Carradale Futures Horizon Limited | Professional & scientific | 2020 |
| Carradale Futures LLP | | 2017 |
| Carradale Limited | Professional & scientific | 2008 |
| Carriage Mews (Kirby's Lane) Management Company Limited | Households | 1996 |
| Carrick Roads Limited | Professional & scientific | 2021 |
| Carroll Creative Arts Limited | Arts & recreation | 2019 |
| Carroll Land & Environmental Solutions Limited | Real estate | 2010 |
| Carson Wines Ltd | Wholesale & retail | 2014 |
| Cartec England Ltd | Wholesale & retail | 2016 |
| Carter and Sons Ltd | Real estate | 2026 |
| Cartner Lane Limited | Real estate | 2018 |
| Cartridge UK (Witney) Ltd | Wholesale & retail | 2007 |
| Casa Mythra Limited | Real estate | 2025 |