| 27-33 Hamilton Avenue Limited | Households | 2015 |
| 3-15 Oriel Drive RTM Company Ltd | Households | 2017 |
| 82 Staplegrove Road Management Company (Taunton) Limited | Households | 1989 |
| 91A Highfield Road Ltd | Hospitality | 2022 |
| A Watts Plumbing & Heating Ltd | Construction | 2025 |
| A113 Designs Limited | Information & communication | 2016 |
| Acorn Solicitors LLP | | 2021 |
| Adeptability Limited | Professional & scientific | 2023 |
| Aksai Solutions Ltd | Information & communication | 2021 |
| Alex A-Line Ltd | Health & social care | 2019 |
| Alex Boddington Services Ltd | Professional & scientific | 2024 |
| Alex Diaz Media Operator Limited | Information & communication | 2013 |
| Alex.N-Engineering Ltd | Professional & scientific | 2017 |
| Alfie's Ices Ltd | Hospitality | 2023 |
| Alfred Gillett (Shoemakers Museum Trading) Ltd | Wholesale & retail | 2025 |
| Alltech Electrical Ltd | Construction | 2019 |
| Alpha C.S. Ltd | Administrative & support | 2016 |
| Amarok Ltd | Professional & scientific | 2022 |
| Amped Cycleworx Limited | Other services | 2021 |
| Ana.M Consulting Ltd | Professional & scientific | 2026 |
| Angels of Awakening Ltd | Health & social care | 2004 |
| Ango Purpose Made Furniture Ltd | Manufacturing | 2015 |
| Annabel DU Boulay Ltd | Extraterritorial | 2018 |
| ANS Retail Limited | Wholesale & retail | 2025 |
| Anubis Training Limited | Information & communication | 2024 |
| Aqua Install Somerset Ltd | Construction | 2023 |
| Ardtalla Integrated Support Ltd | Professional & scientific | 2025 |
| Argy Ltd | Professional & scientific | 2019 |
| Asbestos Somerset Ltd | Water & waste | 2021 |
| Ashley Hill Carpentry and Building Services Ltd | Construction | 2020 |
| Aspire Educational Psychology Services Ltd | Education | 2020 |
| Astral Bridge Limited | Financial services | 2023 |
| Atomic Comics & Games Limited | Wholesale & retail | 2023 |
| Audio & Electrical Engineering Limited | Construction | 2017 |
| Auto-Servicos Ltd | Health & social care | 2020 |
| AV Creations Limited | Information & communication | 2015 |
| Avalon Fencing Ltd | Construction | 2026 |
| Axiologics Ltd | Professional & scientific | 2026 |
| Baby Squids Somerset Swim Ltd | Education | 2022 |
| Back to Nature Wall Art Ltd | Wholesale & retail | 2020 |
| Bakemore Developments Limited | Construction | 2011 |
| Baker Property Rentals Limited | Real estate | 2022 |
| Bar 1880 Limited | Hospitality | 2022 |
| Bayview Projects Ltd | Construction | 2025 |
| Bblp Holdings Limited | Wholesale & retail | 2011 |
| Bearded Daddy Ltd | Transport & logistics | 2024 |
| Belashka Limited | Wholesale & retail | 2009 |
| Benchmark Fireworks Limited | Arts & recreation | 2018 |
| Benchmark Software Limited | Information & communication | 1978 |
| Bespoke Journeys Ltd | Administrative & support | 2002 |
| Better Human Clothing Ltd | Wholesale & retail | 2023 |
| BH Carpentry & Interiors Ltd | Construction | 2019 |
| BH Interiors (SW) Limited | Construction | 2025 |
| Billy Milligan Limited | Information & communication | 2018 |
| Black Bull Holdings Ltd | Extraterritorial | 2016 |
| Blast N Baked Ltd | Extraterritorial | 2016 |
| Blitz Hiit Limited | Arts & recreation | 2023 |
| Blue Monster Limited | Information & communication | 2008 |
| Blue Red Blue Training Services Southwest Ltd | Education | 2019 |
| Blue Star Support Limited | Transport & logistics | 2024 |
| Blue Stone Construction DSD Limited | Construction | 2019 |
| BNF Limited | Hospitality | 2025 |
| BO Thai Ltd | Hospitality | 2019 |
| Bond Site Services Ltd | Administrative & support | 2018 |
| Bramble Garden Maintenance Limited | Administrative & support | 2024 |
| Breathing Colours Limited | Health & social care | 2024 |
| Brickyard Renovations Limited | Construction | 2002 |
| Brock's Landscaping Limited | Administrative & support | 2013 |
| Brooklyn Construction Ltd | Construction | 2008 |
| Brookside Community Primary School Academy Trust | Education | 2011 |
| Bruton Tree Care Limited | Administrative & support | 2020 |
| Build for IT Ltd | Professional & scientific | 2025 |
| Burcott Wells Properties Limited | Agriculture & fishing | 1991 |
| Burmun Limited | Professional & scientific | 2024 |
| Burrough Brothers Limited | Agriculture & fishing | 2025 |
| Bushy Coombe Land Trust Ltd | Agriculture & fishing | 2013 |
| C & J Clark Museum and Archives Trust Limited | Arts & recreation | 2011 |
| C & K Patel Company Limited | Real estate | 2026 |
| C G Services (SW) Ltd | Administrative & support | 2023 |
| C Gilks Limited | Professional & scientific | 2021 |
| C M Illuminate Ltd | Information & communication | 2021 |
| Cakir Real Estates Ltd | Real estate | 2025 |
| Camaraderie Ltd | Information & communication | 2020 |
| Cars of Somerset Limited | Wholesale & retail | 2017 |
| Castle Cary Antiques & Interiors Ltd | Administrative & support | 2023 |
| Cave Builders Limited | Construction | 2006 |
| CCA (Fine Homes) Limited | Real estate | 2001 |
| CGB Plumbing & Construction Ltd | Construction | 2025 |
| CGM Serv Ltd | Transport & logistics | 2025 |
| Champ Cars Limited | Extraterritorial | 1998 |
| Chapel Court (Glastonbury) Limited | Households | 2011 |
| Chiverton Land & Planning Ltd | Professional & scientific | 2015 |
| Cinemash Ltd | Information & communication | 2025 |
| Cirque DE Silk Ltd | Arts & recreation | 2022 |
| CKF Logistics Limited | Transport & logistics | 2026 |
| Clarks Retail Properties Limited | Administrative & support | 1996 |
| Clearjump Ltd | Information & communication | 2026 |
| Clothing & Camping Limited | Wholesale & retail | 2003 |
| Coker Butchers Ltd | Wholesale & retail | 2011 |
| Complete Carpentry & Building Contractors Ltd | Construction | 2021 |