| CG Rose Consulting Ltd | Professional & scientific | 2025 |
| CG Support Ltd | Health & social care | 2026 |
| CGC124 Limited | Households | 2024 |
| CGI Photography Ltd | Information & communication | 2025 |
| CGM Custom Ltd | Manufacturing | 2024 |
| CGM Hampshire Limited | Professional & scientific | 2015 |
| Ch.Amjad Ltd | Wholesale & retail | 2026 |
| CH4 Services Limited | Construction | 2014 |
| Chadwell Care Limited | Administrative & support | 2018 |
| Chadwell Electrical Ltd | Construction | 2025 |
| Chaii & Chaat Ltd | Hospitality | 2026 |
| Chaka Dynamic Consulting Limited | Health & social care | 2015 |
| Chalcroft Farm Shop Limited | Wholesale & retail | 1999 |
| Chalcroft Property Holdings Ltd | Real estate | 2019 |
| Chalcroft Security Services Limited | Administrative & support | 2011 |
| Chalfont Development Co. Limited | Households | 1963 |
| Chalfont Management Company Limited | Households | 2007 |
| Chalinor Limited | Real estate | 2021 |
| Chalk & MUD Trail Running Ltd | Arts & recreation | 2025 |
| Chalk Construction Limited | Construction | 2014 |
| Chalkboard Catering Limited | Hospitality | 2016 |
| Chalkstream Productions Ltd | Information & communication | 2018 |
| Challenge Adventure Charities | Arts & recreation | 1996 |
| Challenge Yachting Ltd | Administrative & support | 2014 |
| Challenger Society for Marine Science | Professional & scientific | 1988 |
| Challengers Cricket Ltd | Arts & recreation | 2025 |
| Challenging Events Limited | Arts & recreation | 2016 |
| Challis Property Ltd | Real estate | 2019 |
| Challis Roofing Ltd | Construction | 2023 |
| Chalmingtons Limited | Wholesale & retail | 2009 |
| Chaluke Estates Ltd | Real estate | 2020 |
| Chamberlain Creative Holdings Ltd | Hospitality | 2017 |
| Chamberlains Solicitors Limited | Professional & scientific | 2020 |
| Chamberlayne Athletic Football Club Limited | Arts & recreation | 2018 |
| Chambers Developments Limited | Professional & scientific | 2013 |
| Chambers L Developments Limited | Construction | 2014 |
| Chambers of Hamble Limited | Manufacturing | 2018 |
| Chambers Renovation Services Ltd | Construction | 2025 |
| Chameleon Brick Services Limited | Construction | 2009 |
| Chameleon London Ltd | Administrative & support | 2011 |
| Champ Frais Ltd | Wholesale & retail | 2019 |
| Champagne Charleys Limited | Wholesale & retail | 2005 |
| Champions MMA Ltd | Wholesale & retail | 2019 |
| Champions Picks Ltd | Arts & recreation | 2026 |
| Championx Egypt Ltd. | Manufacturing | 1994 |
| Chan's Optometrist Limited | Health & social care | 2003 |
| Chandabear Development Ltd | Construction | 2025 |
| Chandabear Management Ltd | Real estate | 2022 |
| Chandabear Property Ltd | Real estate | 2019 |
| Chandis House Limited | Financial services | 2023 |
| Chandler Electrical Services Limited | Construction | 2003 |
| Chandler Financial Limited | Financial services | 2026 |
| Chandler Props Ltd | Administrative & support | 2022 |
| Chandlers Ford Gym Ltd | Arts & recreation | 2026 |
| Chandlers Ford Service Centre Limited | Wholesale & retail | 2015 |
| Change of Style Granite and Stone Limited | Manufacturing | 2008 |
| Changeforce (UK) Ltd | Professional & scientific | 2003 |
| Changeregard Limited | Construction | 1996 |
| Channel Assist Trustee Company Limited | Professional & scientific | 2024 |
| Channel Brickwork Ltd | Construction | 2016 |
| Channell Installations Ltd | Construction | 2011 |
| Channels Farm Court Limited | Households | 2020 |
| Chantacre Limited | Construction | 1981 |
| Chantielee Limited | Health & social care | 2011 |
| Chantry IT Services Limited | Information & communication | 2015 |
| Chantry Walk Ltd | Households | 2010 |
| Chapel Designs (England) Ltd | Manufacturing | 2019 |
| Chapel Hair @ 80A Limited | Other services | 2017 |
| Chapel Lane Blackfield (Management) Limited | Households | 1977 |
| Chapel Trading (England) Ltd | Manufacturing | 2021 |
| Chapeltec Ltd | Manufacturing | 2021 |
| Chapeltor Consultancy Limited | Information & communication | 2020 |
| Chapman Car Care Limited | Manufacturing | 2015 |
| Chappells Heavy Haulage Limited | Transport & logistics | 2024 |
| Chapter 16 Civils Limited | Construction | 2019 |
| Chapter 5 Construction Ltd | Construction | 2019 |
| Chapter 8 Foundation Limited | Arts & recreation | 2023 |
| Chapter 8 TM Limited | Manufacturing | 2017 |
| Chapter One Ltd | Wholesale & retail | 2003 |
| Charakins Healthcare and Domicilary Limited | Health & social care | 2020 |
| Charanjit Properties Limited | Real estate | 2020 |
| Charb Distributions Ltd | Wholesale & retail | 2026 |
| Charcoal Delivery Limited | Hospitality | 2021 |
| Charden Court Freehold Limited | Households | 2025 |
| Charged Electrical Ltd | Construction | 2020 |
| Charisghuk CIC | Administrative & support | 2025 |
| Chariteas C.I.C. | Hospitality | 2012 |
| Charlecote Estates Limited | Construction | 2010 |
| Charles Douglas Company Services Limited | Extraterritorial | 2005 |
| Charles Elliott Properties Limited | Real estate | 2002 |
| Charleston Solutions Ltd | Arts & recreation | 2018 |
| Charleza Transport Ltd | Transport & logistics | 2019 |
| Charlie & Bella’S Creations CIC | Wholesale & retail | 2026 |
| Charlie Homes Ltd | Real estate | 2022 |
| Charlie Locks Ltd | Wholesale & retail | 1992 |
| Charlie N Co Limited | Real estate | 2015 |
| Charlie Osborne Design Limited | Professional & scientific | 2017 |
| Charlie Plant Limited | Other services | 2003 |
| Charlott Properties Limited | Construction | 2025 |
| Charlotte Bemand Ltd | Real estate | 2017 |