| 1ST Choice GAS Care Ltd | Construction | 2018 |
| 2COWBOYS Productions Limited | Information & communication | 2024 |
| 41 West Coker Road Management Company Limited | Real estate | 2006 |
| A R Purnell Limited | Mining & quarrying | 2003 |
| A. H. Warren Trust (Property) Limited | Real estate | 1998 |
| A. H. Warren Trust Limited | Agriculture & fishing | 1991 |
| A.C. Enterprises (Crewkerne) Ltd | Construction | 2007 |
| Aavek Utilities Limited | Construction | 2026 |
| Abrahams and Robinson Limited | Wholesale & retail | 2015 |
| ACT Rowles Property Limited | Other services | 2000 |
| Adams Field Limited | Information & communication | 1998 |
| Adrian Male Associates Limited | Administrative & support | 2008 |
| Advanced Card Bureau Ltd. | Other services | 2007 |
| AF Connect Limited | Information & communication | 2021 |
| Afro Street Ltd | Extraterritorial | 2022 |
| AI for Education Ltd | Information & communication | 2026 |
| Alan J. Young Limited | Administrative & support | 2003 |
| Alex Kirby Editor Ltd | Information & communication | 2018 |
| Anglo Court Management Limited | Real estate | 2007 |
| Antiques Bazaar Limited | Real estate | 2017 |
| Antler PUB Company Limited | Hospitality | 2016 |
| Ariel Electric Limited | Manufacturing | 1991 |
| Ariel Ltd | Manufacturing | 2008 |
| Ariel Manufacturing Limited | Manufacturing | 1999 |
| Ariel Motor Company Limited | Manufacturing | 2008 |
| Ariel Motorcycles Limited | Manufacturing | 2013 |
| Art World Partnerships Limited | Arts & recreation | 2021 |
| Artie Flora (Hire) Limited | Arts & recreation | 2011 |
| Aspects of Oak Ltd | Construction | 2024 |
| ATG Agricultural Contractors Limited | Agriculture & fishing | 2024 |
| Atticus Knowledge Limited | Professional & scientific | 2019 |
| Auto Refurbs Limited | Wholesale & retail | 2009 |
| Av-Path Limited | Information & communication | 2021 |
| Avionic Modification Specialist Ltd | Transport & logistics | 2025 |
| Axminster Cards & Retail Limited | Wholesale & retail | 2025 |
| B a Wallbridge Plumbing and Heating Ltd | Construction | 2013 |
| Baker Builds (South West) Ltd | Construction | 2008 |
| Bakers of Haselbury Plucknett Ltd | Administrative & support | 2008 |
| Bar Noir Ltd | Hospitality | 2017 |
| Barnes and Shirley Ltd | Information & communication | 2019 |
| Bartlett Park Garage Limited | Wholesale & retail | 2011 |
| Billetfield Property (Taunton) Limited | Households | 2019 |
| BK Dorset Limited | Manufacturing | 2018 |
| Black Swan Dental Spa Limited | Health & social care | 2012 |
| Black Swan Film and Photography Studio Limited | Professional & scientific | 2020 |
| Blossom Embroidery Limited | Manufacturing | 2006 |
| BOJ Engineering Limited | Professional & scientific | 2022 |
| Bonsoir of London Limited | Manufacturing | 1994 |
| Bonsoir Wholesale Limited | Wholesale & retail | 2022 |
| Brickyard Farm Cheese Limited | Wholesale & retail | 2002 |
| Bridport Electrical Solutions Ltd | Construction | 2020 |
| C K Harwood & Sons Limited | Construction | 2002 |
| Cabling Science Limited | Information & communication | 1997 |
| Car&Van Parts Ltd | Wholesale & retail | 2015 |
| Carousel Arts & Crafts Ltd | Administrative & support | 2017 |
| CDH Leisure Ltd | Hospitality | 2019 |
| Chalker Removals (WEY) Limited | Transport & logistics | 2006 |
| Chalmers & Co (S W) Limited | Professional & scientific | 2002 |
| Chard Auctions Ltd | Wholesale & retail | 2021 |
| Charlotte Elizabeth Aesthetics Ltd | Other services | 2022 |
| Chef Partners UK Ltd | Administrative & support | 2025 |
| Chinnock Investments Limited | Administrative & support | 2020 |
| Christophers Limited | Administrative & support | 2015 |
| Cirrus ADR Limited | Administrative & support | 2017 |
| Civils (UK) Limited | Construction | 1984 |
| Clapton Court Partnership LP | | 2024 |
| Cloud Analytics Consultancy Limited | Wholesale & retail | 2015 |
| CMG Paint Ltd | Wholesale & retail | 2026 |
| Coombe Farm Organic Limited | Extraterritorial | 2015 |
| Coombe Farm Organic Milk Pool Ltd | Extraterritorial | 2017 |
| Coombe Farm Sporting Limited | Wholesale & retail | 2015 |
| Cooper Searle Personal Management Ltd | Administrative & support | 2010 |
| Coral Futures Research and Innovation Centre Limited | Professional & scientific | 2025 |
| Creation Generation Limited | Arts & recreation | 2019 |
| Crewkerne Business Group CIC | Other services | 2026 |
| Crewkerne Community Kitchen CIC | Hospitality | 2021 |
| Crewkerne Garage Services Limited | Wholesale & retail | 2020 |
| Crewkerne Heritage Centre Limited | Arts & recreation | 1999 |
| Crewkerne in Business CIC | Other services | 2022 |
| Crewkerne Leisure Management Limited | Arts & recreation | 1997 |
| Crewkerne Small Business Centre Ltd | Administrative & support | 2021 |
| Crewkerne Wellbeing C.I.C. | Health & social care | 2021 |
| Crown Mews Ltd | Hospitality | 2026 |
| Crust and COW Co Ltd | Hospitality | 2026 |
| Crust and COW Events Ltd | Hospitality | 2026 |
| Curtains and Cloths Crewkerne Ltd | Wholesale & retail | 2021 |
| Cutting Edge Technologies Limited | Construction | 2010 |
| D&S Southwest Services LLP | | 2025 |
| D. Cosgrove Construction Ltd | Construction | 2018 |
| Darling Pictures Limited | Information & communication | 2009 |
| Dash Electrics Ltd | Construction | 2024 |
| Data-Path Office Network Services Limited | Information & communication | 1987 |
| Dataweigh Systems Limited | Administrative & support | 1990 |
| DCB Autos Limited | Wholesale & retail | 2007 |
| DE Combe House Management Company Limited | Households | 2001 |
| Decorative Tiles Ltd | Extraterritorial | 2022 |
| Devon Investments (SSP) Limited | Extraterritorial | 1998 |
| DIG - Geotech Limited | Construction | 2005 |
| Downclose Investments Limited | Administrative & support | 2021 |
| Duodu London Ltd | Extraterritorial | 2022 |