| C. Eskins Ltd | Other services | 2010 |
| Catalysts for Growth Limited | Professional & scientific | 2007 |
| CBM Property Management and Maintenance Limited | Households | 2017 |
| Ccptransport Ltd | Transport & logistics | 2025 |
| Cenline Limited | Construction | 2012 |
| Central Somerset Physiotherapy Limited | Other services | 2012 |
| Centre Line Surveys Limited | Extraterritorial | 2012 |
| Charmouth Mansions Management Company Limited | Households | 1988 |
| CHE Coach House Engineering Ltd | Manufacturing | 1976 |
| Cherished Connections Ltd | Health & social care | 2020 |
| Chris Salisbury Consulting Ltd | Professional & scientific | 2022 |
| Church Street Management Company (Bridgwater) Ltd | Households | 2021 |
| CK Residence Limited | Real estate | 2024 |
| Claremac Limited | Construction | 2019 |
| Clear Thinking Enterprise Ltd | Financial services | 2018 |
| Coast Road (Berrow) Management Company Limited | Households | 1989 |
| Coastline Cleaners Ltd | Administrative & support | 2018 |
| Coemi (UK) Limited | Wholesale & retail | 2004 |
| Combi-Care (Weston) Limited | Construction | 2003 |
| Community Care Investment Group Limited | Health & social care | 2020 |
| Connectrix Electrical Ltd | Construction | 2014 |
| Control Concepts Limited | Manufacturing | 1994 |
| Cooper LOU Creations Ltd | Information & communication | 2022 |
| Coral Corral Ltd | Agriculture & fishing | 2025 |
| Costal Developments Ltd | Real estate | 2022 |
| Creswick Estates Limited | Real estate | 2015 |
| Crusader Gaming Ltd | Wholesale & retail | 2024 |
| D a Terry Holdings Limited | Financial services | 2026 |
| D a Terry Limited | Wholesale & retail | 2014 |
| D a Terry Properties Limited | Financial services | 2026 |
| D Durnan Electrical Ltd | Construction | 2023 |
| D.W. Automotive Ltd | Wholesale & retail | 2019 |
| Dafilliates Limited | Professional & scientific | 2024 |
| Daisy Willow Originals Ltd | Wholesale & retail | 2025 |
| Dana Offshore Consultancy Ltd | Mining & quarrying | 2024 |
| Darryl J Walsh Limited | Arts & recreation | 2026 |
| Dash Rentals Ltd | Real estate | 2024 |
| Dave's Taxi Control Limited | Transport & logistics | 2013 |
| Ddct Limited | Wholesale & retail | 2013 |
| DE Boer Operations Ltd | Professional & scientific | 2026 |
| Dean Postcards Limited | Wholesale & retail | 2012 |
| Demon Management and Attraction Support Limited | Professional & scientific | 2025 |
| Design an Research Consulting Ltd | Professional & scientific | 2024 |
| Dgsc Catering Ltd | Hospitality | 2024 |
| DLB Fabrications Ltd | Manufacturing | 2017 |
| DMC Bespoke Building Ltd | Construction | 2022 |
| Dmctransportx Limited | Transport & logistics | 2024 |
| Dobunni Properties Ltd | Real estate | 2025 |
| Dormy House Nursing Home Partnership | | 1989 |
| Duckski Property Investment Ltd | Real estate | 2021 |
| Dylan Webb Building Services Ltd | Construction | 2021 |
| E J Plant Engineering Limited | Manufacturing | 2022 |
| E. Jayne Properties Ltd | Real estate | 2025 |
| Eastwood GAS Services Ltd | Professional & scientific | 2019 |
| Element 8 Limited | Professional & scientific | 2025 |
| Elliver Professional Services Ltd. | Professional & scientific | 2004 |
| ELM View Farm Limited | Agriculture & fishing | 2025 |
| EMR Racing Ltd | Arts & recreation | 2024 |
| Esplanade Burnham on Sea Flat Management Company Limited(The) | Households | 1979 |
| F&P Mastery Ltd | Real estate | 2021 |
| Fair Start Nursery Ltd | Education | 2007 |
| Fairview Minibuses Limited | Transport & logistics | 2003 |
| Fantastic Ingredient Technologies Limited | Wholesale & retail | 2019 |
| Fieldware Co. Ltd | Manufacturing | 2006 |
| Floors With More Ltd | Construction | 2019 |
| Florock (UK) Ltd | Construction | 2012 |
| Fortress Property Ltd | Professional & scientific | 2015 |
| FOX WBC Ltd | Education | 2025 |
| G & F London Ltd | Construction | 2021 |
| G Ashwood Professional Driver Hire Ltd | Mining & quarrying | 2026 |
| G H Tyre Services LLP | | 2017 |
| G.P.F.Will Writers and Probate Service Ltd. | Professional & scientific | 2020 |
| G2 Signs Limited | Manufacturing | 2014 |
| Gateway Spices Limited | Hospitality | 2023 |
| GD Formwork Ltd | Construction | 2026 |
| Gggds Hospitality Limited | Hospitality | 2022 |
| GJH Construction Limited | Construction | 2015 |
| Glaysher's Landscaping Limited | Administrative & support | 2018 |
| Global Trackers Ltd | Wholesale & retail | 2018 |
| Globalink Enterprises Ltd | Professional & scientific | 2025 |
| Glue 2 (Properties) Limited | Real estate | 2003 |
| GLUE2 Limited | Construction | 1994 |
| Godwin Caravans Limited | Real estate | 1951 |
| Goffey Ltd | Professional & scientific | 2011 |
| Golf Links Mews Management Company Limited | Households | 2015 |
| Gordon Plant Limited | Construction | 2025 |
| Grace Auto Service Limited | Wholesale & retail | 2024 |
| Grace Cars Limited | Wholesale & retail | 2020 |
| Granola IT Limited | Professional & scientific | 2014 |
| Green Machine Campers Ltd | Administrative & support | 2021 |
| Green Machine SW Ltd | Administrative & support | 2011 |
| H&H Real Estate Investments Ltd | Real estate | 2024 |
| Happy Health Hackers Limited | Arts & recreation | 2020 |
| HCS Hutchinson Construction Services Ltd. | Construction | 2018 |
| Hector Independent Assessments Ltd | Professional & scientific | 2010 |
| Hedgehog PIE Limited | Extraterritorial | 2009 |
| Hellend’S Kitchen Ltd | Hospitality | 2021 |
| Help Ahoy Limited | Administrative & support | 2009 |
| Hern Park Limited | Households | 1974 |
| Hestia Mortgages Ltd | Financial services | 2021 |