| Canopy Network Community Interest Company | Arts & recreation | 2024 |
| Capital Building Management Limited | Real estate | 2014 |
| Caroline Bulmer Properties Limited | Real estate | 2016 |
| Carrington-Davies Consultancy Limited | Professional & scientific | 2021 |
| CDS Hire Limited | Transport & logistics | 2015 |
| Cedar Woods Luxury Lodges Limited | Hospitality | 2026 |
| Chepstow Child and Family Therapy Centre CIC | Education | 2023 |
| Chris Edey Engineering Services Limited | Manufacturing | 2014 |
| Christian Home Schooling Ltd | Education | 2020 |
| Cinnamon Indian Coleford Limited | Hospitality | 2023 |
| Cinnamon Midlands Limited | Hospitality | 2024 |
| CIS Associates Ltd | Manufacturing | 2013 |
| CJ Flooring Ltd | Construction | 2013 |
| CJM Dynamics Ltd | Manufacturing | 2023 |
| Ckmgnt Ltd | Arts & recreation | 2026 |
| Claverend Innovations Limited | Professional & scientific | 2011 |
| Clean More Limited | Administrative & support | 2025 |
| Cliff Coppice Limited | Construction | 2021 |
| CLR Dynamics Ltd | Manufacturing | 2023 |
| Coleford Area Market and Coastal Towns Initiative Partnership | Other services | 2006 |
| Coleford Bowling & Social Club | Arts & recreation | 2023 |
| Coleford Commercials Limited | Wholesale & retail | 2019 |
| Coleford Hydraulics & Machinery Services Ltd | Manufacturing | 2025 |
| Coleford Salvage Ltd | Wholesale & retail | 2021 |
| Coleford Spice House Limited | Hospitality | 2026 |
| Coleford Tandoori Limited | Hospitality | 2017 |
| Community Pixels.Net Limited | Information & communication | 2006 |
| Convi International Transport Limited | Transport & logistics | 2024 |
| Conway Court (Berry Hill) Management Company Limited | Households | 1990 |
| Core Grounds Maintenance Limited | Administrative & support | 2023 |
| Core PT Limited | Health & social care | 2006 |
| Cornish DC Limited | Education | 2023 |
| Corsham Capital Ltd | Financial services | 2024 |
| County Mowers Limited | Manufacturing | 2003 |
| Court Farm Lakes Ltd | Other services | 2024 |
| Credible YOU Limited | Information & communication | 2014 |
| Croft-Hamilton Limited | Professional & scientific | 1995 |
| Cronin Holdings Limited | Construction | 2025 |
| Crystal Travel Ltd. | Other services | 2002 |
| D & a Carpets Limited | Construction | 2020 |
| D & G Holdings Limited | Extraterritorial | 2006 |
| D & J Marston Limited | Transport & logistics | 2012 |
| D Belfitt Commercials Ltd | Wholesale & retail | 2024 |
| David Latham (Steel Trading) Limited | Wholesale & retail | 2003 |
| David Robert Downing Ltd | Extraterritorial | 2024 |
| DB Chefs Place Ltd | Administrative & support | 2025 |
| Dcsouthwestplumbing Ltd | Construction | 2022 |
| DCX Diverse Sports & K9 Events CIC | Education | 2026 |
| Dean Estate Agents Limited | Real estate | 2007 |
| Dean Joinery Limited | Construction | 2007 |
| Deanoak Ltd | Construction | 2004 |
| Deedee's Play Cafe Limited | Hospitality | 2025 |
| Dental Edge Engineering Services UK Ltd | Professional & scientific | 2016 |
| Designed for Beauty Ltd | Other services | 2008 |
| Designer Flowers Ross Limited | Wholesale & retail | 2015 |
| Dhannah & Cpalacios Ltd | Wholesale & retail | 2021 |
| Dibden Steel Limited | Construction | 2018 |
| DJO & Co Limited | Professional & scientific | 2008 |
| DJT Cleaning Services Ltd | Administrative & support | 2022 |
| DPS Designs Limited | Manufacturing | 2004 |
| DPS Holdings Group Limited | Financial services | 2025 |
| Drop N Lock Limited | Transport & logistics | 2014 |
| DRW Autos Limited | Wholesale & retail | 2020 |
| E PIG Cleaning Products Limited | Manufacturing | 2020 |
| E.N.D. Properties Ltd. | Hospitality | 2003 |
| Ecoblue Plumbing and Heating Services Ltd | Construction | 2026 |
| Edge of Heaven Limited | Wholesale & retail | 2017 |
| Edwards Civils and Utilities Limited | Construction | 2021 |
| Edwards Style Ltd | Wholesale & retail | 2026 |
| Elderfast Systems Limited | Information & communication | 2025 |
| Electrate Limited | Manufacturing | 2022 |
| Ellscorp Limited | Construction | 2016 |
| Elmgrove Park Management Limited | Households | 2009 |
| Elti Building Limited | Construction | 2006 |
| Emsop Properties Limited | Real estate | 2019 |
| Entropy Olfactory Ltd | Manufacturing | 2025 |
| Equichic Limited | Extraterritorial | 2011 |
| Eskimarket Ltd | Real estate | 2009 |
| Essential Decals Ltd | Professional & scientific | 2021 |
| Essential GFX Limited | Professional & scientific | 2020 |
| ET Piotrowska Ltd | Real estate | 2003 |
| ETA Storage Limited | Transport & logistics | 2020 |
| ETB Solutions Ltd | Professional & scientific | 2011 |
| ETH Associates Ltd | Construction | 2025 |
| Evergreen Care Services Ltd | Health & social care | 2018 |
| Evergreen Prestige Limited | Hospitality | 2023 |
| Express Windows (Coleford) Limited | Manufacturing | 2003 |
| Fairways Coleford Management (NO 2) Limited | Arts & recreation | 2006 |
| Fairways Coleford Management (NO. 3) Limited | Hospitality | 1990 |
| Fairways Furnishings Ltd | Wholesale & retail | 2017 |
| Fearfully Made Ltd | Professional & scientific | 2023 |
| Fimms FD Services Ltd | Professional & scientific | 2021 |
| FIR Tree Limited | Real estate | 1960 |
| Fitnesspro Education Ltd | Education | 2025 |
| Five Acres Limited | Wholesale & retail | 1997 |
| Flat CAP Management Ltd | Professional & scientific | 2026 |
| Foodwrite Limited | Hospitality | 2011 |
| Forest & WYE Tree Services Ltd | Administrative & support | 2024 |
| Forest Deli Ltd | Wholesale & retail | 2018 |
| Forest Delights Limited | Manufacturing | 2025 |