| Chessington Court Garages (Bournemouth) Owners Limited | Households | 2022 |
| Chessman Aerospace Ltd | Other services | 2012 |
| Chesspionage Ltd | Manufacturing | 2024 |
| Chester House (Bournemouth) Management Limited | Households | 1998 |
| Chester House Freehold Limited | Households | 2010 |
| Chester Sherburne Limited | Administrative & support | 2021 |
| Chetcombe Mews Building 1 Management Company Limited | Households | 2011 |
| Chetcombe Mews Building 3 Management Company Limited | Households | 2011 |
| Chevere Holdings Limited | Professional & scientific | 2017 |
| Chewton Bespoke Homes Limited | Construction | 2013 |
| Chewton Homes Ltd | Construction | 2019 |
| Chez Helvetia Ltd | Hospitality | 2025 |
| Chic on Fashion Limited | Wholesale & retail | 2026 |
| Chicken Best Limited | Hospitality | 2025 |
| Chicken Cottage Charminster Ltd | Hospitality | 2018 |
| Chicken Cottage M/O Limited | Hospitality | 2023 |
| Chicken N Beer Ltd | Hospitality | 2023 |
| Chicken Valley Bournemouth Ltd | Hospitality | 2026 |
| Chickieone Ltd | Hospitality | 2026 |
| Chideock Court Freehold Limited | Households | 2025 |
| Chideock Court Management Company Limited | Households | 1977 |
| Chiefplace Estates Limited | Real estate | 2004 |
| Chiefplace Estates Rentals Limited | Real estate | 2026 |
| Chikepe Ltd | Wholesale & retail | 2025 |
| Child Okeford Consultants Limited | Financial services | 2014 |
| Chill Massage Limited | Other services | 2014 |
| CHILLING2020 Ltd | Wholesale & retail | 2025 |
| Chillington Holdings Limited | Other services | 2024 |
| Chiltern Hills Arboriculture Limited | Administrative & support | 2017 |
| Chimutanda Limited | Health & social care | 2017 |
| China Dragon Takeaway Limited | Hospitality | 2021 |
| China Lounge Limited | Hospitality | 2024 |
| Chine Crescent House Management Limited | Households | 1981 |
| Chine Edge Management Company Limited | Households | 2002 |
| Chine Financial Ltd | Financial services | 2015 |
| Chine Grange Freehold Limited | Households | 2006 |
| Chine Grange Management Limited | Households | 1983 |
| Chine Mansions Management Limited | Households | 1985 |
| Chine View (Branksome) Limited | Households | 2010 |
| Chine View 5 Mckinley Road Freehold Limited | Households | 2007 |
| Chinebh Homes Ltd | Hospitality | 2022 |
| Chinegate Manor RTM Limited | Households | 2009 |
| Chinese Beauty and Massage Professionals UK Limited | Health & social care | 2020 |
| Chineside Heights Management Limited | Real estate | 2002 |
| Chinewood Developments Limited | Real estate | 2000 |
| Chinewood Homes LLP | | 2015 |
| Chinewood Properties (Portugal) Limited | Real estate | 2008 |
| Chipchase Tutoring Limited | Administrative & support | 2022 |
| Chipmunk G-Ulas Ltd | Arts & recreation | 2021 |
| Chipmunk Property and Services Ltd | Manufacturing | 2025 |
| Chips Ahoy Limited | Extraterritorial | 2002 |
| Chipsports Ltd | Wholesale & retail | 2014 |
| Chislehurst Freehold Limited | Other services | 2004 |
| Chittak Investments Limited | Real estate | 2020 |
| Chittak Limited | Information & communication | 2008 |
| Chivers Flooring Limited | Construction | 2010 |
| CHL Southern Ltd | Construction | 2012 |
| Chle Properties Ltd | Real estate | 2022 |
| Chloe's Nails & Spa Ltd | Other services | 2026 |
| CHN Chef Ltd | Hospitality | 2021 |
| Chocolat D'Amour Ltd | Wholesale & retail | 2022 |
| Chocolat D'Amour Studio Ltd | Wholesale & retail | 2025 |
| Chocolate Boutique Hotels Limited | Hospitality | 2016 |
| Chocolate Delight Limited | Hospitality | 2006 |
| Chocolate Orchid Limited | Hospitality | 2012 |
| Choice Carpentry Limited | Construction | 2004 |
| Choice Living Ltd | Hospitality | 2024 |
| Chok-A-Blok Limited | Manufacturing | 2010 |
| Choose Wisely Limited | Information & communication | 2011 |
| Choose Your Potential Limited | Education | 2025 |
| Chorus Property Consultants Ltd | Professional & scientific | 2023 |
| Chrift Limited | Information & communication | 2017 |
| Chris Brett Chauffeuring Ltd | Transport & logistics | 2025 |
| Chris Gilman Building Contractors Limited | Construction | 2015 |
| Chris J. Addison Carpenter & Builder Limited | Construction | 2005 |
| Chris Mooney Development Limited | Professional & scientific | 2012 |
| Chris TAXI4U Limited | Transport & logistics | 2023 |
| Chrispy Bunns Catering Limited | Hospitality | 2017 |
| Christchurch 442 Management Limited | Households | 2000 |
| Christchurch Carpentry and Build Ltd | Construction | 2021 |
| Christchurch Computer Centre Limited | Extraterritorial | 2000 |
| Christchurch Development Centre FC Ltd | Arts & recreation | 2024 |
| Christchurch Funeral Flowers Ltd | Other services | 2023 |
| Christchurch Harbour Holdings Limited | Administrative & support | 2008 |
| Christchurch Harbour Holidays Ltd | Hospitality | 2022 |
| Christchurch Harbour Kitchen Ltd | Hospitality | 2025 |
| Christchurch Netball Club Ltd | Arts & recreation | 2024 |
| Christchurch Road 1970 Limited | Extraterritorial | 2014 |
| Christchurch Therapy Rooms LLP | | 2023 |
| Christchurch Web Solutions Ltd. | Information & communication | 2017 |
| Christine Morgan Ltd | Health & social care | 2015 |
| Christopher Anthony Cook Ltd | Professional & scientific | 2025 |
| Christopher C Batten Limited | Real estate | 2003 |
| Christopher Dunne Ltd | Construction | 2025 |
| Christopher Stone Limited | Wholesale & retail | 2015 |
| Christy & Co Legacy Limited | Real estate | 2025 |
| Chubb Thomas Holdings Limited | Professional & scientific | 2023 |
| Chubb Thomas Insurance Brokers Ltd | Financial services | 1999 |
| Chubza Property Ltd | Real estate | 2026 |
| Chudleigh Properties Limited | Construction | 1960 |