| Christchurch Pre-School (Dartford) Limited | Gravesend | 2002 |
| Christel House Europe | Market Harborough | 2000 |
| Christian Church "the Tree of Life" (UK) | London | 2013 |
| Christian Day Nurseries Limited | Kettering | 2001 |
| Christian Education Europe Limited | Swindon | 1995 |
| Christian Education Group Ltd | Ely | 2019 |
| Christian Enquiry Agency Ltd | London | 2012 |
| Christian Faith Education Service | Blackburn | 2024 |
| Christian Family Schools Limited | Sheffield | 1987 |
| Christian Fellowship School Trust | Liverpool | 2000 |
| Christian Hands on Women and Children in Need (Chowchin) | South Ockendon | 2023 |
| Christian Heritage Edinburgh | Newtongrange | 2014 |
| Christian Home Schooling Ltd | Coleford | 2020 |
| Christian Joy & Health Ltd | London | 2022 |
| Christian Learning Community Ltd | London | 2025 |
| Christian Mission Church of GOD Ltd | London | 2020 |
| Christian Schools (Scotland) Limited | Hamilton | 1987 |
| Christian Schools Limited | Liverpool | 1964 |
| Christian Union Nifes Alumni Association (Cunaa) Uk-Europe Ltd | Manchester | 2019 |
| Christian Vision for MEN | Chesterfield | 1998 |
| Christian Women in Business Leadership (Cwbl) Community Interest Company | Northampton | 2026 |
| Christian Youth Enterprises Sailing Centre | Chichester | 1986 |
| Christian Zheng Sheng Association UK CIC | Bridgwater | 2022 |
| Christians Aware | Leicester | 1989 |
| Christie Brown Psychology Ltd | London | 2026 |
| Christie Coaching Limited | Billingham | 2021 |
| Christie Miller Consulting Limited | London | 2019 |
| Christie Tutoring Ltd | Warrington | 2023 |
| Christie's Education Limited | London | 1977 |
| Christina Grant Consultancy Ltd | Worthing | 2016 |
| Christinamary Enterprises Ltd | Southampton | 2025 |
| Christine Ashton Ltd | Wigan | 2018 |
| Christine H Hardman Ltd | Dereham | 2013 |
| Christine Nelson Enterprises | London | 2016 |
| Christine Pyke Media Limited | Widnes | 2014 |
| Christmas Cottage Nursery Limited | High Wycombe | 2011 |
| Christof Huber Ltd | Scunthorpe | 2021 |
| Christopher Business School Limited | Rickmansworth | 2019 |
| Christopher Langley Limited | Sutton Coldfield | 2019 |
| Christopher Lilford Education Ltd | Cobham | 2022 |
| Christopher Mark Samuels Limited | London | 2024 |
| Christopher Mears Limited | Norwich | 2023 |
| Christopher Nieper Education Trust | Alfreton | 2015 |
| Christopher Robyn's Pre-School Limited | Stockport | 2022 |
| Christopher Scott Tutoring Limited | Birmingham | 2026 |
| Christopher Whitehead Language College | Worcester | 2011 |
| Christus Catholic Trust | Stanford-Le-Hope | 2013 |
| Christverse Connect Limited | London | 2026 |
| Chromatica Orchestra Limited | London | 2004 |
| Chrome Specialist Laboratory Limited, (the) | Paisley | 1986 |
| Chromium 24 Tuition Ltd | London | 2023 |
| Chronos Research Limited | Cambridge | 1996 |
| Chronyko Ltd | London | 2017 |
| Chrow Solutions Ltd | Brighton | 2016 |
| Chrys Bernards Consult Ltd | Sititingbourne | 2022 |
| Chrysalis (Cumbria) Limited | Wigton | 2006 |
| Chrysalis at the Church Limited | Ilford | 2024 |
| Chrysalis Care & Mentoring Ltd | Gloucester | 2021 |
| Chrysalis Day Nursery Cheshire Limited | Oldham | 2014 |
| Chrysalis Education Consultancy Limited | Warrington | 2012 |
| Chrysalis Education Ltd | London | 2026 |
| Chrysalis Education Services Limited | Muswell Hill | 2018 |
| Chrysalis Effect Health Limited | Sevenoaks | 2017 |
| Chrysalis Montessori Community Interest Company | Brighton | 2023 |
| Chrysalis Montessori Education Limited | Brighton | 2025 |
| Chrysalis Multi Academy Trust | Kenton | 2011 |
| Chrysalis NOT for Profit Limited | Bridgwater | 2010 |
| Chrysalis Nurseries Limited | Ilford | 2012 |
| Chrysalis Professional Development Limited | Dunfermline | 2006 |
| Chrysalis Training for Education Ltd | Rossendale | 2025 |
| Chrysalis Training Services Limited | Gateshead | 2017 |
| Chrysalis Workplace Ltd | Bridgwater | 2026 |
| Chrysalis Youth and Community Project | Airedale Castleford | 1997 |
| Chrysolyte School | London | 1995 |
| Chrysoprase Ltd | Abingdon | 2025 |
| Chrysos H.R. Solutions Limited | Retford | 2005 |
| CHS Porthcawl Ltd | Porthcawl | 2026 |
| CHT Training Group Ltd | Selby | 2020 |
| Chta Limited | Purley | 2014 |
| Chtechcoaching Ltd | Plymouth | 2024 |
| CHU Education Limited | London | 2024 |
| Chubby Cheeks Day Nursery Ltd | Bolton | 2020 |
| Chubby Cheeks Nursery Ltd | Morden | 2019 |
| Chuckinver Ltd | Kinswinford | 2014 |
| Chuckles Nurseries Limited | Truro | 2003 |
| Chudleigh Knighton Pre-School Limited | Newton Abbot | 2010 |
| Chughtai Educational Excellence Limited | Colchester | 2025 |
| Chulmleigh Academy Trust | Chulmleigh | 2011 |
| Chum Education Ltd | Cambridge | 2022 |
| Chums Childcare Limited | Chelmsford | 2001 |
| Church Action on Poverty Limited | Manchester | 1999 |
| Church Boxing Limited | Norwich | 2024 |
| Church Education Trust | Craigavon | 2012 |
| Church Farm Equestrian Pony Club Centre Community Interest Company | Bristol | 2015 |
| Church Hill Church of England Junior School | Leicester | 2012 |
| Church Home Group Resources Limited | Hertford | 1997 |
| Church House Day Nursery Limited | Lymm | 2002 |
| Church Knowle Rural Learning Ltd | Wareham | 2024 |
| Church Mission Society of Northern Ireland | Belfast | 2025 |
| Church Music Scotland CIC | Bishopton | 2024 |