| Burgoynes Limited | Extraterritorial | 2001 |
| Burhope Farm Campsite Limited | Arts & recreation | 2006 |
| Buried Soundz Ltd | Information & communication | 2023 |
| Burke Ltd | Financial services | 2026 |
| Burley Gate Services Limited | Professional & scientific | 2018 |
| Burlton Estates Limited | Real estate | 2008 |
| Burman Electrical Ltd | Construction | 2014 |
| Burnett Industrial Limited | Professional & scientific | 2014 |
| Buro London Limited | Administrative & support | 2017 |
| Burrell Commercial Ltd | Real estate | 2021 |
| Busby Business Services Ltd | Professional & scientific | 2012 |
| Business Management Promotions Limited | Information & communication | 1967 |
| Busy Bees Nursery & Pre-School Limited | Education | 2003 |
| Busy Bees Nursery and Creche Limited | Education | 2010 |
| Butchers Meadow Properties Limited | Real estate | 2025 |
| Butere N.F. Ltd | Agriculture & fishing | 2024 |
| Butt Studio Limited | Professional & scientific | 2021 |
| Buttery Delicious Limited | Hospitality | 2019 |
| BWA Design LLP | | 2009 |
| BY Jane & James Properties Ltd | Financial services | 2025 |
| Bycott Farms Limited | Agriculture & fishing | 2007 |
| C & H PUB Limited | Hospitality | 2020 |
| C & J Paints Limited | Wholesale & retail | 2004 |
| C & M Agri Limited | Agriculture & fishing | 2020 |
| C & M Nutrition Ltd | Agriculture & fishing | 2010 |
| C & N Strass Ltd | Real estate | 2017 |
| C & S Landscapes Ltd | Administrative & support | 2021 |
| C a Meredith Limited | Construction | 2013 |
| C a Miles Ltd | Manufacturing | 2013 |
| C Angit Dermatology Limited | Health & social care | 2016 |
| C B Collier Barton Limited | Real estate | 2019 |
| C B Collier Euston Way Limited | Real estate | 2019 |
| C B Collier Management Limited | Real estate | 2019 |
| C B Collier Peterborough Limited | Real estate | 2019 |
| C B Collier WM Limited | Real estate | 2019 |
| C B Protection Limited | Administrative & support | 2014 |
| C D Tobey Consulting Ltd | Information & communication | 2024 |
| C G Refrigeration and Air Conditioning Holdings Ltd | Financial services | 2026 |
| C G Refrigeration and Air Conditioning Ltd | Administrative & support | 2001 |
| C J B Property Developments Limited | Real estate | 2004 |
| C J Bayliss (Hereford) Limited | Construction | 2004 |
| C J Bayliss Limited | Construction | 1978 |
| C J Hoskins Limited | Real estate | 2019 |
| C J Jenkins and Sons Ltd | Administrative & support | 2022 |
| C M Coatings Limited | Manufacturing | 2007 |
| C Palmes Ltd | Professional & scientific | 2014 |
| C R & J Jenkins Ltd | Construction | 2003 |
| C R Bird Lighting Limited | Information & communication | 2014 |
| C W Garden Marquees Limited | Other services | 1999 |
| C W Kitchens and Bespoke Joinery Ltd | Other services | 2017 |
| C Ware Properties Ltd | Construction | 2021 |
| C&K Utilities Ltd | Construction | 2022 |
| C. Ablitt Electrical Services Limited | Construction | 2022 |
| C. B. Collier Limited | Real estate | 2002 |
| C. M. Electrical Services (Hereford) Limited | Construction | 2015 |
| C. Stanley Jones and Co. Ltd | Other services | 2015 |
| C.A.R.E. (Herefordshire) C.I.C. | Health & social care | 2014 |
| C.B. Collier FD Limited | Real estate | 2017 |
| C.B. Collier NK (SSC) Limited | Real estate | 2018 |
| C.B. Collier NK Limited | Real estate | 2017 |
| C.C Property Projects Limited | Construction | 2019 |
| C.F. Roberts (Holdings) Limited | Financial services | 1995 |
| C.R Revive Limited | Real estate | 2025 |
| C.T. Bishop & SON Limited | | 1957 |
| C.T. Pitt & SON Ltd | Construction | 2013 |
| C2R-FAST Limited | Manufacturing | 2009 |
| Cabin Childcare Limited | Health & social care | 2009 |
| Cabinco Outdoor Buildings Ltd | Construction | 2020 |
| Cabling Solutions Limited | Construction | 2015 |
| Cadclad Limited | Administrative & support | 2011 |
| Caddicarus Ltd | Information & communication | 2019 |
| Cadmus Rock (Whaddon) Limited | Construction | 2021 |
| Cadmus Rock Limited | Construction | 2016 |
| Cadwallader Building Limited | Construction | 2023 |
| CAE Parc Management Limited | Households | 2018 |
| Cafe Mullen Limited | Hospitality | 2022 |
| Cage Consultants Limited | Professional & scientific | 2023 |
| Cal-C-Health Group Ltd | Health & social care | 2023 |
| Calandra Promotions Ltd | Arts & recreation | 2018 |
| Calandras Menswear Ltd | Wholesale & retail | 2019 |
| Caldicott Developments Ltd | Construction | 2025 |
| Calliburn Associates Limited | Professional & scientific | 2016 |
| Callow Enterprises Ltd | Wholesale & retail | 2013 |
| Callow Investments Limited | Administrative & support | 2017 |
| Callow Management Services Ltd | Wholesale & retail | 2024 |
| Calming Connections Ltd | Extraterritorial | 2023 |
| Calon Y Dyffryn Ltd | Agriculture & fishing | 2024 |
| Calvert UK Holding Company Limited | Professional & scientific | 2015 |
| CAM Properties (Hereford) Limited | Real estate | 2023 |
| Cambium Sustainable Limited | Education | 2018 |
| Cambrian Controls Limited | Professional & scientific | 2000 |
| Cambrian Real Estate Ltd | Real estate | 2018 |
| Cambridge Capital Partners Limited | Professional & scientific | 2018 |
| Camdore Consulting Limited | Professional & scientific | 2025 |
| Camel Farm Suplies Limited | Agriculture & fishing | 2025 |
| Cameron Mark Properties Ltd | Real estate | 2022 |
| Cameron's Antiques Limited | Other services | 2025 |
| Cameron's Construction Ltd | Construction | 2025 |
| Camgas Hereford Ltd | Wholesale & retail | 2024 |
| Camozzicars Ltd | Transport & logistics | 2024 |