| Children First Consultancy Limited | Rugeley | 2020 |
| Children First Learning Partnership | Stoke-On-Trent | 2018 |
| Children Hope Forever | London | 2018 |
| Children Hope Forever London Ltd | London | 2018 |
| Children in Cuesports CIC | Wolverhampton | 2024 |
| Children in Nature CIC | Wingate | 2019 |
| Children Making a Change Ltd | Harrow | 2013 |
| Children of GOD Christian Coaching CIC | Wisbech | 2025 |
| Children of Jannah | Manchester | 2011 |
| Children of Potentials International | London | 2011 |
| Children of Success Schools Trust | Manchester | 2013 |
| Children of the Forest Limited | Cullompton | 2017 |
| Children of the Sun Saturday School CIC | Birmingham | 2025 |
| Children of the Water Ltd | Melksham | 2021 |
| Children of the Windrush Reunion C.I.C. | Wolverhampton | 2024 |
| Children of the World 2000 Limited | Manchester | 2000 |
| Children of the World Montessori School Limited | High Wycombe | 1999 |
| Children Sports League Ltd | Wembley | 2020 |
| Children Tuition Centre Ltd | London | 2021 |
| Children United Limited | Low Hill | 2014 |
| Children's Business Fair CIC | Haywards Heath | 2023 |
| Children's Champions Ltd | Margate | 2023 |
| Children's Discovery Centre East London | London | 1997 |
| Children's Early Intervention Trust | Bangor | 2006 |
| Children's Hour Limited | Livingston | 2006 |
| Children's House Day Nursery Limited | Manchester | 2011 |
| Children's International Film Festival CIC | Brentford | 2025 |
| Children's Links | Horncastle | 1997 |
| Children's Ortho International Ltd | London | 2019 |
| Children's Toolkit Nursery & Pre-School Ltd | London | 2021 |
| Children's Tuition Centre Ltd | London | 2020 |
| Children's Tutoring & Learning Services Ltd | Devizes | 2025 |
| Children's Tutoring Service Ltd | Devizes | 2025 |
| Children's TV and Film School Limited | London | 2022 |
| Children's University Trust | Manchester | 2006 |
| Children's Well-Being CIC | Blisworth | 2022 |
| Children's Well-Wishers Network (CWN) | Morden | 2013 |
| Children's World (UK) Ltd | Telford | 2011 |
| Children-First.Info Ltd | London | 2012 |
| Childrenleadtheway CIC | Cheltenham | 2024 |
| Childrens Attendance Welfare Services Ltd | Leicester | 2012 |
| Childrens Cottage Nurseries Ltd | Cambridge | 2023 |
| Childrens Hope Foundation | London | 1996 |
| Childrens Workshop (Pre-School) Limited | East Molesey | 2022 |
| Childrenscare Ltd | Northampton | 2026 |
| Childrensclubs Ltd | Esher | 2025 |
| Childrensworld Shifnal Ltd | Telford | 2025 |
| Children’S Activity Standards Agency Limited | Chorley | 2023 |
| Children’S Critical Care Community Interest Company | Sheffield | 2023 |
| Children’S Multilingual School Global Ltd | London | 2026 |
| Childrise Ltd | London | 2019 |
| Childs Play Day Nursery (Norfolk) Ltd | Kings Lynn | 2026 |
| Childscape Early Years Hub Ltd | Bolton | 2025 |
| Childsense Development Ltd | Widnes | 2026 |
| Childsplay Early Learning Limited | Ellesmere Port | 2016 |
| Childsplay Private-Nursery Limited | Newport | 2007 |
| Childsside CIC | Leeds | 2015 |
| Childville After School Services Ltd | Hemel Hempstead | 2007 |
| Childwell Ltd | Ruislip, | 2025 |
| Chilgrove Training Associates Limited | Chichester | 2012 |
| Chilimango Ltd | London | 2024 |
| Chill East Kent CIC | Margate | 2021 |
| Chill East Lothian CIC | East Linton | 2022 |
| Chill North Devon CIC | Braunton | 2021 |
| Chill OUT Clubs CIC | Cannock | 2024 |
| Chill OUT of School Company Limited | Epsom | 2005 |
| Chill OUT Time Childcare Ltd | Whitley Bay | 2018 |
| Chill Southend CIC | Leigh-On-Sea | 2023 |
| Chill'D CIC | Nuneaton | 2024 |
| Chilled Driving Tuition Limited | Norwich | 2011 |
| Chillpig Ltd | Colchester | 2022 |
| Chilopozie Global Ltd | Crewe | 2023 |
| Chiltern Development Training Limited | Aylesbury | 2012 |
| Chiltern Dirt Bikes Limited | Amersham | 2015 |
| Chiltern Forest School Ltd | Bicester | 2014 |
| Chiltern Futsal Ltd | Chesham | 2025 |
| Chiltern Learning Trust | Luton | 2011 |
| Chiltern Music Therapy Community Interest Company | Beaconsfield | 2011 |
| Chiltern Nursery and Training College Limited | Reading | 1919 |
| Chiltern Nursery Group Ltd | London | 2025 |
| Chiltern Singers Limited | High Wycombe | 2023 |
| Chiltern Training Limited | Reading | 1996 |
| Chiltern Training Services Ltd | Buckingham | 2024 |
| Chiltern Tuition Ltd | Amersham | 2024 |
| Chiltern Way Academy Trust | Aylesbury | 2016 |
| Chiltern Youth Matters (Way in) | Chesham | 2005 |
| Chilton Meadows Day Nursery Limited | Houghton Le Spring | 2001 |
| Chilver Consulting Limited | Sutton Coldfield | 2023 |
| Chimba Ltd | Birmingham | 2025 |
| Chimney Skills Training Limited | Gloucester | 2018 |
| Chimney Sweep Theatre School Ltd | Consett | 2018 |
| Chin MIN Limited | Bolton | 2016 |
| China Art Foundation | London | 2010 |
| China Britain Youth Music Trust | London | 2017 |
| China Business Times International Ltd | Congleton | 2006 |
| China Challenge Ltd | Andover | 2010 |
| China Connect Ltd | London | 2023 |
| China Education Group (UK) Limited | London | 2020 |
| China Europe Culture Centre Limited | Bromley | 2018 |
| China Fangrui Educational Guardians Ltd | London | 2018 |