| BLD Tenterden Ltd | Hospitality | 2026 |
| BLU Fisch Limited | Other services | 2014 |
| Blue Suva Limited | Real estate | 2006 |
| Blush Salon Limited | Other services | 2018 |
| BNC Automotive Limited | Wholesale & retail | 2019 |
| Body Design Studios Limited | Arts & recreation | 2018 |
| Booth-Clibborn Creative Consultancy Limited | Professional & scientific | 2001 |
| Bosley Investments Limited | Construction | 1964 |
| Bottega Montalbano Ltd | Hospitality | 2017 |
| Boxes for Moving Home Ltd | Administrative & support | 2018 |
| Bridgen Global Consulting Ltd | Professional & scientific | 2026 |
| Bridger Motorsport Limited | Arts & recreation | 2008 |
| Bridger Transport Limited | Transport & logistics | 2015 |
| Brisk Construction Ltd | Construction | 2019 |
| British & European Sales Limited | Extraterritorial | 1979 |
| Brixt UK Ltd | Professional & scientific | 2019 |
| Brokenmould Limited | Information & communication | 2000 |
| Brookswan Project Consulting Ltd | Administrative & support | 2023 |
| Broxwood Heights Limited | Real estate | 2021 |
| Buildmetrics Engineering Ltd | Professional & scientific | 2025 |
| Buildquo Ltd | Information & communication | 2025 |
| Burn Brighter Limited | Education | 2023 |
| Busbys Limited | Professional & scientific | 2004 |
| Butterflies Direct Limited | Wholesale & retail | 2020 |
| BWA People Limited | Professional & scientific | 1999 |
| C a Worley Farming Ltd | Agriculture & fishing | 2017 |
| C D Clarkson & SON Limited | Construction | 2006 |
| C P L Estates Limited | Construction | 2017 |
| C W S Farm Limited | Agriculture & fishing | 2025 |
| C-Gas Limited | Construction | 2002 |
| C.D Environmental Consulting Ltd | Professional & scientific | 2021 |
| C.S. Mitchell Limited | Construction | 2001 |
| CA Educational Ltd | Education | 2014 |
| Calvin Watts Construction Ltd | Construction | 2018 |
| Campbell and Co Properties Ltd | Real estate | 2011 |
| Campower Autotech Limited | Wholesale & retail | 2014 |
| Canterley Publishing Ltd | Information & communication | 2017 |
| Carlton Lodge 2025 Ltd | Households | 2025 |
| Cashara Limited | Wholesale & retail | 2021 |
| Cbrne Limited | Professional & scientific | 2008 |
| Cedar Grange Developments Limited | Real estate | 2004 |
| Cerist LOW Carbon Limited | Administrative & support | 2013 |
| CH Recruitment Limited | Administrative & support | 2022 |
| Chapel Down Group PLC | Manufacturing | 2002 |
| Charlie Parker Nutrition Consulting Limited | Hospitality | 2015 |
| Charlton Court Residents Limited | Households | 2007 |
| Cherry Tree Farm Petals Ltd | Agriculture & fishing | 2023 |
| Church Gate Residents Limited | Households | 2000 |
| Churchview Estates Ltd | Construction | 2018 |
| Churchview Limited | Construction | 2009 |
| Ciclopi Ltd | Hospitality | 2016 |
| City Adviser Limited | Professional & scientific | 2012 |
| Cityparents Limited | Other services | 2022 |
| CK Lettings Ltd | Real estate | 2026 |
| Clarke & Epps Limited | Real estate | 1946 |
| Clarkson & Grandson Limited | Construction | 2022 |
| Classic Jaguar Racing Limited | Manufacturing | 1997 |
| Classic Wood Mouldings Limited | Manufacturing | 2005 |
| Claygate Properties New Romney Ltd | Real estate | 2023 |
| Clifford Rickards Associates Limited | Administrative & support | 2008 |
| Clinvivo Limited | Information & communication | 2012 |
| Cloud 9 Snacks Ltd | Manufacturing | 2012 |
| CM Tools Ltd | Wholesale & retail | 2025 |
| Coffee Shop Media Ltd | Information & communication | 2012 |
| Coldblow Coffee Company Limited | Manufacturing | 2017 |
| Collina TJP Consultancy Limited | Professional & scientific | 2022 |
| Coloop Ltd | Information & communication | 2019 |
| COLOUR2READ Ltd | Health & social care | 2011 |
| Composite Integrity Solutions Limited | Extraterritorial | 2003 |
| Construction Management UK Limited | Construction | 2007 |
| Contracting Sciences Limited | Professional & scientific | 2023 |
| Conversations on AI Community Interest Company | Information & communication | 2026 |
| Cooks Farm Ltd | Agriculture & fishing | 2024 |
| Cooper & Associates Limited | Professional & scientific | 2009 |
| Cornex Garage Ltd. | Wholesale & retail | 2002 |
| Cornucopia Bottleshop and Tasting Room Ltd | Wholesale & retail | 2025 |
| Corporate Liquidity Limited | Extraterritorial | 2004 |
| Corporate Liquidity Partners Limited | Administrative & support | 2004 |
| Cosmetikate Limited | Health & social care | 2018 |
| Court Lodge Farm Limited | Manufacturing | 1974 |
| Court Reed Farm Limited | Other services | 1990 |
| Craythorne House (Tenterden) Limited | Other services | 2004 |
| Creatable Design Limited | Manufacturing | 2019 |
| Create Sustain Ltd | Professional & scientific | 2016 |
| Creative Dance Events Limited | Arts & recreation | 2025 |
| Creative Motion Limited | Information & communication | 2006 |
| Creativefx Limited | Financial services | 2012 |
| Crossfieldtransformation Limited | Professional & scientific | 2024 |
| Crow Design & Print Limited | Administrative & support | 1995 |
| Crown Inn Group Ltd | Hospitality | 2022 |
| Crown Inn Trading Ltd | Hospitality | 2022 |
| CS Management Limited | Administrative & support | 1993 |
| Cultural Development International Ltd | Education | 2022 |
| Cummins Moving Consultancy Limited | Transport & logistics | 2017 |
| Cygnature Holdings Limited | Financial services | 2020 |
| D G L D Excavations Limited | Agriculture & fishing | 2003 |
| D.A. Phillips & Co. Limited | Financial services | 1987 |
| Damasin Ltd | Wholesale & retail | 2025 |
| Dane Court Hospitality Limited | Hospitality | 2012 |
| Dartford Glazing Limited | Construction | 2014 |