| Cavendish Secretarial Services Limited | Other services | 1999 |
| Central Properties (Southern) Limited | Real estate | 1995 |
| Centurion Snuff Ltd | Manufacturing | 2026 |
| Charkella Limited | Financial services | 1980 |
| Charlies Homes and Gardens Limited | Administrative & support | 2010 |
| Chase Property Projects Limited | Construction | 2017 |
| Chattis Hill Stables Residents Association Limited | Households | 1992 |
| Chelseababe Limited | Professional & scientific | 2003 |
| Cheyne Motors Limited | Wholesale & retail | 1974 |
| Chilbolton Chair Company Ltd | Manufacturing | 2014 |
| Chinook Consultants Ltd | Administrative & support | 2018 |
| Chris Hyde Films Limited | Professional & scientific | 2022 |
| Clarendon Corporate Limited | Professional & scientific | 2001 |
| Clarendon Holdings Group Limited | Professional & scientific | 2018 |
| Clarendon Property Trading Limited | Real estate | 2018 |
| Clarendon Terrace Limited | Real estate | 2025 |
| Clean Energy Technology (UK) Ltd | Administrative & support | 2016 |
| Clearcut Glasshouse Services Limited | Construction | 2005 |
| Clearmond Roofing and Cladding Ltd | Construction | 2024 |
| Clegg and Brooking Properties Limited | Real estate | 2020 |
| Clive Sutton Farm Services Limited | Agriculture & fishing | 2012 |
| Clos DU Marquis Restaurant Ltd | Hospitality | 2012 |
| Coach-In Tours Limited | | 1984 |
| Cobberts Property Investments Limited | Real estate | 2020 |
| Complete Sewer Connections Ltd | Water & waste | 2017 |
| Comraich Properties Ltd | Construction | 2022 |
| Coneco Services (UK) Ltd | Construction | 2011 |
| Cool Components Ltd | Information & communication | 2009 |
| CPR Training UK Ltd | Public administration | 2024 |
| Craiconn Limited | Information & communication | 2017 |
| Cranbourne Stone Limited | Manufacturing | 2004 |
| Crenol & Wilson (Workholding) Limited | Manufacturing | 1981 |
| Cross Stores Limited | Wholesale & retail | 2010 |
| Curateo Capital Limited | Financial services | 2023 |
| Daleoak Limited | Wholesale & retail | 2009 |
| Danebury & Angus Ltd | Construction | 2025 |
| Danebury Design Limited | Professional & scientific | 2024 |
| Danebury Racing Stables Limited | Arts & recreation | 1976 |
| Daniel Palmer Drainage Ltd | Water & waste | 2021 |
| David Barker Project Services Ltd | Professional & scientific | 2025 |
| Davies James Limited | Construction | 2023 |
| Dawn Heal Limited | Health & social care | 2013 |
| Daylight Compute Ltd | Information & communication | 2022 |
| Design and Engineering Consultancy Limited | Professional & scientific | 1991 |
| Design Mechanical Services Limited | Construction | 2019 |
| Destination Pubs Ltd | Hospitality | 2014 |
| Destiny Bookkeeping Limited | Professional & scientific | 2014 |
| Devinsights UK Ltd | Education | 2021 |
| DF Transport Ltd | Transport & logistics | 2025 |
| Dixonpropertypartners Ltd | Administrative & support | 2026 |
| DMS Air Conditioning Ltd | Construction | 2025 |
| E D F Farming and Vermin Control Ltd | Agriculture & fishing | 2024 |
| E.P.W. Construction Limited | Construction | 1973 |
| Eagley Valley Limited | Construction | 1999 |
| Eastwood Fine Art Limited | Arts & recreation | 2014 |
| Elliott Joseph Services Ltd | Wholesale & retail | 2022 |
| Emarian Ltd | Professional & scientific | 2020 |
| Ember Tech Ltd | Other services | 2026 |
| Enigma Park Limited | Real estate | 2012 |
| Enigma Property Limited | Real estate | 2012 |
| Equus Training & Consulting Ltd | Professional & scientific | 2024 |
| Evenvyne Limited | Real estate | 1992 |
| Exact Change Limited | Information & communication | 1997 |
| Exacta Robots Limited | Professional & scientific | 2020 |
| Fablestone LLP | | 2025 |
| Farm Shop Drive Ltd | Other services | 2025 |
| Feathered Skies Limited | Health & social care | 2019 |
| Featherstone's English Flower Company Limited | Agriculture & fishing | 2021 |
| Ffwddog Estate Limited | Energy | 2012 |
| FG Strategy Limited | Administrative & support | 2026 |
| Filmguy Ltd | Information & communication | 2020 |
| Fine Country Pursuits Limited | Wholesale & retail | 1996 |
| Fine Group Holding Company Limited | Financial services | 2022 |
| Fish Digital Forensics Ltd | Information & communication | 2010 |
| Fishing Breaks Limited | Administrative & support | 1990 |
| Fitwaffle Limited | Professional & scientific | 2019 |
| Fivetwo Designs Limited | Wholesale & retail | 2013 |
| FLAT4 Clothing Limited | Manufacturing | 2003 |
| Forge Close (Kings Somborne) Management Company Limited | Households | 2002 |
| Fosterwiki Ltd | Information & communication | 2021 |
| Foxcom Limited | Information & communication | 2024 |
| Frobisher (Wicklesham) Limited | Construction | 2022 |
| Frobisher Developments Limited | Construction | 2001 |
| Frobisher Limited | Agriculture & fishing | 1991 |
| Frobisher Ventures Limited | Construction | 2010 |
| Funtley Road Management Company Limited | Households | 2023 |
| Furzedown House Limited | Households | 1993 |
| G.R. Patrick & Co (Finance) Limited | Financial services | 1984 |
| Garden Crowns Ltd | Wholesale & retail | 2013 |
| Garden Treasures Southern Ltd | Wholesale & retail | 2023 |
| Garston Mede Freehold Company Limited | Professional & scientific | 2004 |
| George Clark Interiors Stockbridge Limited | Other services | 2023 |
| GIG32 Limited | Real estate | 2025 |
| GMP Ventures Limited | Administrative & support | 2020 |
| GMS Developments Limited | Real estate | 2012 |
| Gowans Electrical Contractors Limited | Construction | 2014 |
| Grand Coffee Company Limited | Professional & scientific | 1996 |
| Grand Foods Limited | Professional & scientific | 1968 |
| Gravic Consulting Limited | Information & communication | 2017 |
| Green Guys Construction Ltd | Construction | 2025 |