| 100FOLD CIC | Health & social care | 2021 |
| 21 Degrees C Limited | Construction | 2006 |
| 4/5 Margarets Building Bath (Management) Limited | Professional & scientific | 1989 |
| 6PD Ltd | Manufacturing | 2026 |
| A F Building & Landscaping Ltd | Construction | 2008 |
| Acer Dairy Solutions Ltd | Manufacturing | 2009 |
| Acol Estates Limited | Real estate | 1979 |
| Acreman ST Antiques Centre Limited | Wholesale & retail | 2015 |
| ACT 2003 Training Ltd | Education | 2000 |
| Acute Building Design Limited | Professional & scientific | 2008 |
| Alexgoodland Limited | Health & social care | 2020 |
| Alford Barns Management Ltd | Households | 2008 |
| ANN Simon Consulting Limited | Professional & scientific | 2009 |
| Approach Consulting Ltd | Information & communication | 2021 |
| Arbscribe Ltd | Information & communication | 2025 |
| Arcuss Limited | Professional & scientific | 2020 |
| Argento Hairdressing Ltd | Other services | 2015 |
| ARL Electrical Services Ltd | Construction | 2019 |
| Arrigo Programme Ltd | Extraterritorial | 2011 |
| Ashcot Chiropody Limited | Health & social care | 2014 |
| Ashridge Nurseries Limited | Professional & scientific | 2011 |
| Atlantica Wealth Administration Ltd | Financial services | 2019 |
| Aviation Maintenance Group Ltd | Manufacturing | 2025 |
| Aviation Systems Group Ltd | Professional & scientific | 2015 |
| B Hopkins Contractors Ltd | Construction | 2023 |
| Bailey Courtyard Management Limited | Households | 2010 |
| Balanced Health Southwest Ltd | Health & social care | 2020 |
| Barry Passmore Ltd | Professional & scientific | 2002 |
| Bart Mechanical Services Limited | Construction | 2007 |
| Batcombe Mortgage Services Ltd | Financial services | 2020 |
| Beaconvale Developments Limited | Construction | 1995 |
| Beanie's Welding Ltd | Manufacturing | 2009 |
| Bear Basics Ltd | Manufacturing | 2007 |
| Bear Trap Security Ltd | Administrative & support | 2018 |
| Bebetots Limited | Administrative & support | 2015 |
| Bellitudo at the Barn Ltd | Other services | 2019 |
| Bergstrom Books Ltd | Information & communication | 2020 |
| Birdwing Limited | Professional & scientific | 2004 |
| Bluebird Consulting Limited | Public administration | 2010 |
| BMN Scaffolding Ltd | Construction | 2023 |
| Bouncewire Advisory Ltd | Professional & scientific | 2024 |
| Bruton Dairy Limited | Wholesale & retail | 2015 |
| Cadoc Estate Limited | Households | 2021 |
| Cale Park Kitchen Ltd | Hospitality | 2019 |
| Caroline Sharley Limited | Wholesale & retail | 2013 |
| Cary Construction Ltd | Construction | 2006 |
| Cary Motor Services Limited | Manufacturing | 2014 |
| Cary Motor Spares | | 1996 |
| Caryland Limited | Extraterritorial | 2011 |
| Carymoor Trading Company Limited | Administrative & support | 2010 |
| Castle Cary Self Storage Ltd | Transport & logistics | 2021 |
| Castle Electrical Services South West Ltd | Construction | 2016 |
| Centaur Services Limited | Professional & scientific | 1964 |
| Chapel Heating Limited | Construction | 2003 |
| Chapel Yard Management Company Limited | Households | 2019 |
| Citadelle Compass Ltd | Professional & scientific | 2025 |
| Clever Connect Ltd | Wholesale & retail | 2018 |
| Colin Malcolm Illingworth-Kay Limited | Extraterritorial | 2024 |
| Controlled Climate Limited | Construction | 2003 |
| Cook Ground Investigation Limited | Construction | 2014 |
| Cooks Court Management Company Ltd | Households | 2022 |
| Coombe Hill Management Company (Somerton) Ltd | Households | 2021 |
| Copper FOX Building Services Limited | Extraterritorial | 2022 |
| Cortech Talent Solutions Ltd | Administrative & support | 2023 |
| Cotswold 24 Self Storage Ltd | Transport & logistics | 2026 |
| Courtgem Limited | Real estate | 2006 |
| CSC Creative Solutions Ltd | Health & social care | 2025 |
| Culverhay Software Design Limited | Information & communication | 1996 |
| Cyberisms Ltd | Information & communication | 2025 |
| D & J Nash Ltd | Real estate | 2017 |
| D J FOX & Associates Ltd | Administrative & support | 2003 |
| D.S.A. Holdings Limited | Administrative & support | 2016 |
| Dairy Decisions Ltd | Agriculture & fishing | 2018 |
| Dansko UK Limited | Wholesale & retail | 2018 |
| David Cuffe Limited | Professional & scientific | 2013 |
| Davies Chartered Surveyors Limited | Professional & scientific | 2006 |
| Delaware Foods Limited | Wholesale & retail | 2001 |
| Delta Levade Limited | Professional & scientific | 2024 |
| Despicable Entertainment Ltd | Information & communication | 2025 |
| Dimmer MOT Centre Ltd | Wholesale & retail | 2020 |
| Dovecote Galleries Limited | Wholesale & retail | 2019 |
| Dragonslayer Ltd | Professional & scientific | 2010 |
| Drive's Car and Commercial Ltd | Wholesale & retail | 2022 |
| Dsok Marine Ltd | Professional & scientific | 2017 |
| Eliteexecs Ltd | Administrative & support | 2019 |
| EMH Group Limited | Administrative & support | 2019 |
| Englishman Creative Limited | Professional & scientific | 2012 |
| Entirety Films Limited | Information & communication | 2019 |
| Etty Hill Ltd | Professional & scientific | 2018 |
| Eurodrone Limited | Information & communication | 2015 |
| Exhibition Sales Ltd | Arts & recreation | 2015 |
| Ezra Piers-Mantell Ltd | Information & communication | 2023 |
| Fabiolous Entertainment Limited | Information & communication | 2022 |
| Farthings Paddock (Alford) Limited | Households | 2003 |
| FIR Tree Farm Machinery Ltd | Wholesale & retail | 2022 |
| First Steps Childcare Limited | Education | 1996 |
| Fish in a Dress Limited | Arts & recreation | 2025 |
| Fision Limited | Professional & scientific | 2014 |
| Fluid World Limited | Administrative & support | 2008 |
| Footwear Elite Ltd | Wholesale & retail | 2018 |