| Charlotte’S Silsoe Limited | Other services | 2020 |
| Charlton Bedford Limited | Households | 2005 |
| Charmin Business Consultants Ltd | Real estate | 2017 |
| Charnet Systems Ltd | Information & communication | 2022 |
| Chas Accountancy Services Limited | Professional & scientific | 2014 |
| Chase Objectives Ltd | Professional & scientific | 2016 |
| Chasemedz Ltd | Arts & recreation | 2025 |
| Chastays Limited | Real estate | 2024 |
| Chaston Manor Limited | Hospitality | 2017 |
| Chaston Nursery and Pre-Preparatory School Limited | Education | 2001 |
| Chaucer Road Limited | Real estate | 2013 |
| Chawston Irrigation Management Limited | Water & waste | 1986 |
| Chealestoke Properties Limited | Real estate | 1972 |
| Cheatcode Events Limited | Administrative & support | 2023 |
| Checklate Limited | Health & social care | 2013 |
| Checmed UK Limited | Health & social care | 2025 |
| Cheema Haulage Ltd | Transport & logistics | 2023 |
| Cheema Tspt Limited | Transport & logistics | 2026 |
| Cheerful Auto Standard Limited | Wholesale & retail | 2026 |
| Cheers & Beers Ltd | Wholesale & retail | 2020 |
| Cheers & Carts Ltd | Other services | 2024 |
| Cheesley Hill Farm Limited | Agriculture & fishing | 2010 |
| Chef Clarke Limited | Hospitality | 2017 |
| Chef Luke Limited | Manufacturing | 2017 |
| CHEF4U Ltd | Hospitality | 2018 |
| Chelmsford Digital Radio Ltd | Information & communication | 2023 |
| Chemical Analysis Limited | Professional & scientific | 2010 |
| Chemical Compliance Services Limited | Water & waste | 2015 |
| Cheney Graphics Ltd | Professional & scientific | 2011 |
| Chequers Logistics Ltd | Transport & logistics | 2013 |
| Cherise Events Limited | Administrative & support | 2025 |
| Cherry Blossom Beauty Limited | Other services | 2018 |
| Cherry on Top Agency Ltd | Information & communication | 2022 |
| Cherry Smith Limited | Households | 2020 |
| Cherryfield Carpentry Limited | Construction | 2016 |
| Cherryfield Eco Holdings Ltd | Professional & scientific | 2023 |
| Cherryfield Ecology Limited | Professional & scientific | 2016 |
| Cherwood Enterprises Limited | Agriculture & fishing | 2005 |
| Chess Heating & Plumbing Limited | Construction | 2022 |
| Chesterton Residents Company Limited | Real estate | 1983 |
| Chestnut Gardens Limited | Households | 1983 |
| Chestnut Green Limited | Professional & scientific | 2015 |
| Chestnut Health Company Ltd | Health & social care | 2020 |
| Chiara Capital Ltd. | Real estate | 2019 |
| Chic Celeb(Uk) Ltd | Wholesale & retail | 2024 |
| Chic Celebrations Ampthill Ltd | Wholesale & retail | 2024 |
| Chickenandspice Ltd | Hospitality | 2023 |
| Chicksands Bike Park C.I.C. | Arts & recreation | 2010 |
| Chicksmiths Ltd | Hospitality | 2026 |
| Childs Helicopter Support Limited | Manufacturing | 2006 |
| Chill Coffee Shops Limited | Hospitality | 2026 |
| Chillax Engineering Ltd | Manufacturing | 2010 |
| Chilli Ranch Limited | Agriculture & fishing | 2023 |
| Chillmove Ltd | Transport & logistics | 2017 |
| Chiltern Body Shop Limited | Wholesale & retail | 2003 |
| Chiltern Broadcasting Company Limited | Information & communication | 2018 |
| Chiltern Hire Centre Ltd | Administrative & support | 2005 |
| Chiltern Hospitality 1 Ltd | Administrative & support | 2017 |
| Chiltern Industrial Machining Services Limited | Manufacturing | 2002 |
| Chimbaranga Private Limited | Health & social care | 2018 |
| Chimera Meat Company Limited | Wholesale & retail | 2015 |
| China City (UK) Ltd | Hospitality | 2014 |
| Chip Golf SGM Ltd | Arts & recreation | 2026 |
| Chip.C Ltd | Construction | 2019 |
| Chippin Limited | Administrative & support | 2015 |
| Chippychat Limited | Information & communication | 2013 |
| Chiropractic Marketing Stream Limited | Administrative & support | 2015 |
| Chirpy Reading App Community Interest Company | Education | 2023 |
| Chiswick Interior Designs Limited | Professional & scientific | 2022 |
| Chiswick Maintenance Ltd | Construction | 2012 |
| Chmr Limited | Transport & logistics | 2018 |
| Chola Coffee Ltd | Wholesale & retail | 2019 |
| Chomp Choma Cooks Limited | Hospitality | 2025 |
| Chooks Systems Ltd | Professional & scientific | 2021 |
| Chopin Trans Ltd | Transport & logistics | 2017 |
| Choreosites Ltd | Professional & scientific | 2025 |
| Chris Avison Ltd | Arts & recreation | 2025 |
| Chris Baker Consultancy Limited | Professional & scientific | 2025 |
| Chris Carr Plumbing and Heating Ltd | Construction | 2021 |
| Chris Cottam Films Limited | Information & communication | 2015 |
| Chris Horne Gardens Limited | Administrative & support | 2003 |
| Chris Millard Properties Ltd | Real estate | 2020 |
| Chris the Courier Ltd | Transport & logistics | 2024 |
| Chris Thomas Creative Limited | Administrative & support | 2021 |
| Christian Williams Racing Limited | Arts & recreation | 2016 |
| Christie Property Holdings Limited | Real estate | 2016 |
| Christies Ltd | Administrative & support | 2017 |
| Christine’S Touch Limited | Administrative & support | 2021 |
| Christolu Property Ltd | Real estate | 2024 |
| Christopher Electrical Limited | Construction | 2025 |
| Christopher Kennedy Photography Ltd | Professional & scientific | 2018 |
| Christopher Ling Financial Cosulting Ltd | Financial services | 2024 |
| Christy Commercial Ltd | Construction | 2022 |
| Christy Plumbing & Heating Limited | Construction | 2010 |
| Christy Plumbing & Heating Services Ltd | Construction | 2022 |
| Christykay Limited | Health & social care | 2020 |
| Chronospatial Ltd | Professional & scientific | 2025 |
| CHT Estates Limited | Administrative & support | 2026 |
| Chubby's Catering Limited | Hospitality | 2026 |
| Chum Limited | Real estate | 2006 |