| CGL Building Services Ltd | Manufacturing | 2018 |
| Change Your Outcome Ltd | Professional & scientific | 2022 |
| Chard Horizons Ltd | Administrative & support | 2026 |
| Charterbank Capital Limited | Financial services | 2011 |
| Chatterwood Limited | Wholesale & retail | 2018 |
| Chenon Limited | Professional & scientific | 2005 |
| Chiropractive Ltd. | Health & social care | 2008 |
| Chris' Cocktails Ltd | Hospitality | 2025 |
| Christian Brown Limited | Information & communication | 2018 |
| Chrome Beverages Ltd | Hospitality | 2013 |
| Cirencester Lettings Limited | Real estate | 2015 |
| CK Harwood Developments Limited | Financial services | 2014 |
| Clappersgate Property Ltd | Real estate | 2024 |
| Classic JET Heritage Ltd | Construction | 2008 |
| Clear Mind Hypnotherapy Group Limited | Health & social care | 2026 |
| Clove Candle Company Limited | Manufacturing | 2025 |
| CNC Recruitment Limited | Administrative & support | 2020 |
| CNC Recruitment South West Ltd | Administrative & support | 2022 |
| Coalbrook Ltd | Wholesale & retail | 2020 |
| Codetique Ltd | Information & communication | 2020 |
| Coleman Events Ltd | Arts & recreation | 2026 |
| Coleman Services Limited | Information & communication | 2016 |
| Commander Crutchley Company Limited | Real estate | 2024 |
| Company Smart Ltd | Information & communication | 2023 |
| Condenex Ltd | Administrative & support | 2023 |
| Conetz Ltd | Professional & scientific | 2024 |
| Costs Law Consultants Limited | Professional & scientific | 2025 |
| Cothelstone Hill Ltd | Financial services | 2026 |
| Courageous People Partners Limited | Administrative & support | 2017 |
| Create Write Image Limited | Professional & scientific | 2016 |
| CRG Installations Limited | Construction | 2022 |
| Crown Nursing & Residential Homes Ltd | Health & social care | 2006 |
| Crystal Acrylics Ltd | Manufacturing | 2011 |
| CWI Limited | Extraterritorial | 2016 |
| D & SW Development Ltd | Construction | 2026 |
| Dailyz Tech Ltd | Wholesale & retail | 2025 |
| Dailyz Trade in Ltd | Wholesale & retail | 2025 |
| DAN Palk Ltd | Construction | 2020 |
| David Hurst Consulting Ltd | Information & communication | 2016 |
| Deed Poll Ltd | Extraterritorial | 2021 |
| Deed Poll Office Limited | Information & communication | 2012 |
| Deed Poll Service Limited | Extraterritorial | 2012 |
| Dennis China Works Limited | Manufacturing | 1986 |
| Department of Curiosity Ltd | Professional & scientific | 2015 |
| Derrick Salzer Gardens Ltd | Administrative & support | 2007 |
| Dillington Cottages Limited | Hospitality | 2017 |
| Dillington Estate Company 1 Ltd | Professional & scientific | 2023 |
| Dillington Estate Company 2 Ltd | Professional & scientific | 2023 |
| Dillington Holdings Ltd | Extraterritorial | 2022 |
| Dillington House LLP | | 2023 |
| Dillington Park Farm Limited | Agriculture & fishing | 1956 |
| DKL Transport Ltd | Transport & logistics | 2025 |
| Donyatt Recreational Area | Arts & recreation | 2003 |
| Dot-The-Eye Limited | Information & communication | 2005 |
| DP Aerospace Ltd | Professional & scientific | 2025 |
| DP Associates (Accountancy) Limited | Professional & scientific | 2013 |
| Drama Actingforlife Ltd | Education | 2021 |
| Drone Servey 365 Ltd | Construction | 2025 |
| DU Waterscapes Limited | Professional & scientific | 2018 |
| Dunn's Motors Limited | Real estate | 1934 |
| Dynamic Interiors Limited | Manufacturing | 2009 |
| Dynamics Masters Ltd | Information & communication | 2025 |
| E J Grabham Electrical Contractor Limited | Construction | 2012 |
| E Power Coaching Ltd | Other services | 2024 |
| E&S Pubs and Bars Ltd | Hospitality | 2024 |
| EAD IT Consultants Limited | Information & communication | 2014 |
| Eagle Education Ltd | Education | 2016 |
| Eagle Tree Ltd | Information & communication | 2022 |
| Eaglewood Ltd | Professional & scientific | 2019 |
| Eames Mill Management Company Limited | Households | 2002 |
| ECM Properties Limited | Construction | 2016 |
| Edgeworth Investments Limited | Financial services | 2017 |
| EDR Structures Ltd | Professional & scientific | 2026 |
| Educational Equality Limited | Other services | 2017 |
| Edwards Pearson Ltd | Administrative & support | 2011 |
| Edwards Pearson Machinery Limited | Manufacturing | 2016 |
| Eleanor Cross Associates Limited | Professional & scientific | 2011 |
| Electric Mobility Euro Limited | Wholesale & retail | 1989 |
| Electric Plus Ltd | Construction | 2019 |
| Electricspares Ltd | Wholesale & retail | 2023 |
| Elite Automotive Diagnostics Ltd | Wholesale & retail | 2018 |
| Elite Tech Solutions Ltd | Information & communication | 2020 |
| Elliam CPS Limited | Real estate | 2008 |
| Eluna Collective Ltd | Education | 2026 |
| Emrys PUB Co. Ltd | Hospitality | 2026 |
| Encycle Technologies Limited | Information & communication | 2014 |
| Epro Engineering Ltd | Professional & scientific | 2020 |
| Ereyna Labs Limited | Manufacturing | 2023 |
| ETM Carpentry Limited | Manufacturing | 2025 |
| Event Nation Ltd | Arts & recreation | 2024 |
| Evolve Fitness Training Ltd | Other services | 2018 |
| Experience Ilminster Community Interest Company | Arts & recreation | 2008 |
| F&B Stuart Ltd | Education | 2019 |
| Fabulous Welshcakes Property Ltd | Real estate | 2024 |
| Fakery Limited | Professional & scientific | 2017 |
| Famf Investments Limited | Financial services | 2019 |
| Farm Toys Online Limited | Wholesale & retail | 2018 |
| Fasd Hub South West C.I.C. | Information & communication | 2023 |
| FAT Duck Properties Limited | Real estate | 2026 |
| Finca TLC Ltd | Health & social care | 2021 |