| Church of GOD International Ltd | Sandy | 2020 |
| Church of GOD Mission International (Dagenham) UK Limited | Brentwood | 2011 |
| Church of GOD of Prophecy Trust | Great Barr | 1983 |
| Church of GOD Outreach Initiatives Limited | London | 2025 |
| Church of GOD Revival Ministries Ltd | London | 2022 |
| Church of Ireland and Methodist Chaplaincy Belfast | Belfast | 2021 |
| Church of Ireland Orphans and Childrens Society for the Counties of Antrim and Down | Belfast | 2003 |
| Church of Ireland Trustees. | Belfast | 1924 |
| Church of Jesus Christ of Holy Spirit (New Alliance) | Westminster | 2019 |
| Church of New Destiny Ltd | Hertfordshire | 2015 |
| Church of Scientology Mission of Dorset Ltd | Poole | 1986 |
| Church of the Living GOD Leicester | Leicester | 2020 |
| Church of the Living GOD, Westbury | Westbury | 2009 |
| Church of the Living God,London | Foresthill | 2016 |
| Church of the Nazarene-British Isles South District | Ashton-Under-Lyne | 2009 |
| Church on the Rock Dominion Centre | Southend On Sea | 2012 |
| Church Pastoral AID Society | Coventry | 1991 |
| Church Reform Group | Market Drayton | 2015 |
| Church Revitalisation Trust | London | 2017 |
| Church Rise Property Owners Ltd | Hythe | 2012 |
| Church Schoolmasters and Schoolmistresses Benevolentinstitution | Horsham | 1894 |
| Church Society | Watford | 1926 |
| Church Society Trust | Watford | 1903 |
| Church Street Barbers Limited | Tetbury | 2017 |
| Church Street DRY Cleaners Limited | London | 2017 |
| Church View (1-4) Management Limited | Doncaster | 2006 |
| Church View Funeral Services Limited | Chesham | 2015 |
| Church View Ottringham Management Company Limited | East Riding Of Yorkshire | 2013 |
| Church View Properties Management Ltd | Chester | 2018 |
| Church Village Barbers Ltd | Pontypridd | 2025 |
| Churchcentral Trust | Birmingham | 2006 |
| Churchdown Cattery & Kennels Ltd | Gloucester | 2017 |
| Churchdown Housing Management Company Limited | Churchdown | 1982 |
| Churches in Communities International | Bromley | 2010 |
| Churches in Unity Limited | London | 2025 |
| Churches Together in Britain and Ireland | London | 2005 |
| Churches Together in Central Peterborough | Peterborough | 2011 |
| Churches Together in England | | 2005 |
| Churches Together in Winchester Limited | Winchester | 2023 |
| Churches Trust for Cumbria | Penrith | 2008 |
| Churches' Trust Limited -the | Londonderry | 1993 |
| Churchfield Funeralcare Limited | Cardiff | 2016 |
| Churchgate Consulting Ltd | Saffron Walden | 2024 |
| Churchgate Residential Ltd | London | 2026 |
| Churchill Community Ltd | Cardiff | 2023 |
| Churchill DRY Cleaners (Reigate) Ltd | New Malden | 2010 |
| Churchill Road Limited | London | 2010 |
| Churchills (Carleton) Limited | Fleetwood | 2018 |
| Churchills 5 DRY Cleaners Ltd | London | 2022 |
| Churchills Family Funeral Directors Limited | Barnet | 2011 |
| Churchills Traditional Sweet Shop Ltd | Swadlincote | 2022 |
| Churchman's Farm (Enterprises) Limited | Faversham | 1998 |
| Churchthing Limited | Romford | 2014 |
| Churchtown Hair Ltd | Southport | 2017 |
| Churchward Surveyors Ltd | Deeside | 2024 |
| Churnet Valley Rolling Stock Trust Limited | Cheddleton | 2021 |
| Chusho Ltd | Derby | 2026 |
| Chute Causeway 2021 Limited | Marlborough | 2021 |
| Chute Court Asesores Limited | London | 2016 |
| Chute Lodge Limited | Fareham | 2018 |
| Chuter Family Investments Limited | Stevenage | 2025 |
| Chutney Jacks Maidenhead Restaurants Ltd | Maidenhead | 2018 |
| Chuyang Ltd | Morecambe | 2025 |
| Chuyen Cheshire Limited | London | 2026 |
| Chvt Limited | Manchester | 2019 |
| CHW Services Limited | London | 2025 |
| Chwaker Ltd | Glasgow | 2018 |
| Chwe Acupuncture Ltd | Maidenhead | 2025 |
| Chwizz Ltd | Cardiff | 2025 |
| Chx.Life Limited | Fareham | 2018 |
| Chxco Club Limited | Birmingham | 2021 |
| CHY Blew (House of Hair) Limited | Bude | 2024 |
| CHY Blew Hair Limited | St. Austell | 2016 |
| Chymes Hair Salon Limited | East Molesey | 2014 |
| Chynachenaicheng Company Limited | London | 2020 |
| Chyns Beauty Ltd | Crawley | 2025 |
| Chysoma Limited | Belfast | 2025 |
| CI Aesthetics Academy Ltd | Northampton | 2020 |
| CI and D Limited | Milton Keynes | 2011 |
| CI CI Nails & Spa 23 Ltd | Preston | 2025 |
| CI Hairdressing Ltd | Dundee | 2025 |
| CI Parkins Consultancy Ltd | Thornton-Cleveleys | 2020 |
| CI Services Ltd | London | 2023 |
| Ci-Sw Ltd | Plymouth | 2018 |
| CIA Accountants Ltd | Accrington | 2023 |
| CIA Lounge Ltd | London | 2024 |
| Ciabata Limited | London | 1999 |
| Ciaj UK Ltd | London | 2025 |
| Ciancimino Design Ltd | London | 2016 |
| Ciao Bella Aesthetics Limited | Bristol | 2018 |
| Ciao Bella Beauty & Spa Ltd | London | 2018 |
| Ciao Bella Brighton Ltd | Brighton | 2026 |
| Ciao Bella! Nails Limited | Rayleigh | 2013 |
| Ciao RMK Ltd | Peterborough | 2015 |
| Ciarajade Hair Salon Ltd | Fareham | 2021 |
| Ciaralourseason Limited | London | 2024 |
| Ciarys Projects Limited | Dunfermline | 2019 |
| Ciax Ltd | Stoke-On-Trent | 2025 |
| Ciballi Engineering Ltd | Yeovil | 2019 |
| Ciber Circle Ltd | London | 2020 |