| Christopher Aston Consulting Ltd | Professional & scientific | 2019 |
| Church ST Limited | Real estate | 2022 |
| Citura Limited | Administrative & support | 1999 |
| CJC Engineering Consultancy Ltd | Professional & scientific | 2009 |
| CL Co-Living Properties Ltd | Real estate | 2024 |
| Claims Planet Limited | Information & communication | 2018 |
| Clarks & Sparks Ltd | Extraterritorial | 2023 |
| Classic Driving Development Ltd | Manufacturing | 2011 |
| Cleanse Medical Ltd | Administrative & support | 2006 |
| Clear Success Ltd | Information & communication | 2022 |
| Clearsound Productions Limited | Information & communication | 2011 |
| Clearwhite Ltd | Professional & scientific | 2022 |
| Cleo's Kitchen Ltd | Manufacturing | 2019 |
| CMD Management Limited | Financial services | 2013 |
| Co Built Fabrication Limited | Manufacturing | 2011 |
| Coaching Transformations Ltd | Professional & scientific | 2017 |
| Cobra Lifeline Ltd | Health & social care | 2022 |
| Colebrook Seccombes Limited | Real estate | 2010 |
| Community Case Management Limited | Professional & scientific | 2008 |
| Compton Gardens SOS Limited | Professional & scientific | 2020 |
| Concept Events & Promotions Limited | Arts & recreation | 2019 |
| Conisbee Consulting Limited | Professional & scientific | 2023 |
| Cooke Watts & Co Ltd | Professional & scientific | 2016 |
| Copip Ltd | Information & communication | 2021 |
| Copper POT PUB Company Ltd | Hospitality | 2023 |
| Coremach Group Ltd | Wholesale & retail | 2026 |
| Cotswold & Stour Ltd | Wholesale & retail | 2024 |
| Cotswold Concrete Pumping Limited | Construction | 2020 |
| Cotswold Hills Riding Centre CIC | Agriculture & fishing | 2025 |
| Cotswold Pest Control Ltd | Extraterritorial | 2015 |
| Country Cleaners Ltd | Administrative & support | 2025 |
| Cryptkey Holdings Limited | Financial services | 2023 |
| Cryptkey Investments Limited | Extraterritorial | 2023 |
| Cryptkey Limited | Information & communication | 2015 |
| Ctir Ltd | Hospitality | 2022 |
| Cultivate Sales Ltd | Administrative & support | 2025 |
| Customized Casino Games Limited | Arts & recreation | 2000 |
| CV36 Limited | Arts & recreation | 2025 |
| CVE Investments LLP | | 2007 |
| CXO on Demand Limited | Administrative & support | 2023 |
| D&G Taverns Ltd | Hospitality | 2023 |
| Daisy EVE Limited | Hospitality | 2025 |
| Daisy's Dromedairy Ltd | Manufacturing | 2021 |
| Dakc Ltd | Wholesale & retail | 2020 |
| Darlingscott House Limited | Hospitality | 2016 |
| Datastuff Ltd | Information & communication | 2023 |
| DE Burgh Homes Limited | Construction | 2024 |
| Delphine Brooks Ltd | Wholesale & retail | 2022 |
| Dexied Property Ltd | Extraterritorial | 2021 |
| Dmbr Properties Limited | Households | 2016 |
| DO3 Ltd | Arts & recreation | 2021 |
| Doctor Energy Ltd | Administrative & support | 2006 |
| DOM Dedication-Motivation Limited | Other services | 2025 |
| Domus Consulting Ltd | Professional & scientific | 2023 |
| Dorralldo Media Limited | Information & communication | 2015 |
| Double F Productions Limited | Administrative & support | 2010 |
| Dreams to Reality Coaching Ltd | Other services | 2024 |
| Driving Design Ltd | Professional & scientific | 2021 |
| Drug Development Consultants Ltd | Professional & scientific | 2011 |
| Duttonfawc Ltd | Real estate | 2020 |
| Dwrm Consultants Community Interest Company | Education | 2020 |
| E H Spencer Ltd | Wholesale & retail | 2022 |
| Easiwork Limited | Extraterritorial | 2008 |
| Eastown Construction Ltd | Construction | 2007 |
| Easy Care (Midlands) Limited | Health & social care | 2017 |
| Easy LAY Concrete Limited | Administrative & support | 2007 |
| Effri Ltd | Information & communication | 2026 |
| Elected Technologies Limited | Information & communication | 2014 |
| Elliot Court Management Limited | Households | 1998 |
| Elqui Holdings Limited | Manufacturing | 2017 |
| Emily Willis Upholstery Limited | Other services | 2013 |
| Emsarebstu Ltd | Real estate | 2021 |
| Engineering Conservancy Ltd | Professional & scientific | 2019 |
| Enrich Schools Ltd | Education | 2024 |
| EOS Contract Interiors Limited | Manufacturing | 1997 |
| Equifinity Ltd | Agriculture & fishing | 2006 |
| Etalon Travel Ltd | Administrative & support | 2023 |
| Euroclay Contracts Ltd | Construction | 2016 |
| Europa Conservation Limited | Manufacturing | 2024 |
| Everything M Ltd | Manufacturing | 2020 |
| Everything M3S Ltd | Manufacturing | 2020 |
| EVL Stays Ltd | Hospitality | 2023 |
| Evolve Fitness Club Ltd | Arts & recreation | 2020 |
| Family Dental Limited | Health & social care | 2013 |
| Faraday Planning Limited | Professional & scientific | 2022 |
| Fernhill Stone UK Limited | Wholesale & retail | 2001 |
| Filecopia Ltd | Information & communication | 2026 |
| Fire Safety Consultancy Limited | Administrative & support | 2007 |
| Fisher & Co Recruitment Ltd | Administrative & support | 2024 |
| Fosseway Tool Hire Limited | Administrative & support | 1998 |
| Four Shires Exterior Cleaning Ltd | Administrative & support | 2024 |
| Freedom Photography.Me Limited | Wholesale & retail | 2014 |
| Freshid Limited | Wholesale & retail | 2026 |
| Freyr Living Limited | Real estate | 2025 |
| Freyr Projects Ltd | Real estate | 2025 |
| Frobard Limited | Professional & scientific | 2015 |
| Furstenburg Investments Limited | Financial services | 2013 |
| G POD Limited | Construction | 2019 |
| G X 2 Consulting Ltd | Professional & scientific | 2014 |
| Galibier Life Sciences Ltd | Professional & scientific | 2020 |