| Chaos Coaching Ltd | Leeds | 2019 |
| Chaos Collective Gaming Limited | Crowthorne | 2025 |
| Chaos Design Consultants Limited | Bath | 2003 |
| Chaos Design Limited | Godalming | 1987 |
| Chaos Factory Ltd | Bristol | 2024 |
| Chaos in the CBD Ltd | London | 2019 |
| Chaos Inflatable Park Ltd | Bristol | 2024 |
| Chaos Karts International Limited | London | 2023 |
| Chaos Kontrol Media Ltd | London | 2026 |
| Chaos Management (UK) Limited | Sheffield | 2008 |
| Chaos Paintball Limited | Husbands Bosworth | 2003 |
| Chaos Strength Ltd | Aylesbury | 2017 |
| Chaos Theory Events Ltd | Northampton | 2020 |
| Chaosprojects (UK) Limited | Paisley | 2017 |
| Chaoss Entertainment Ltd | Redhill | 2023 |
| Chaotic Arts Ltd | Motherwell | 2024 |
| Chaotic Entertainment Ltd | Liverpool | 2024 |
| Chapeau Events Limited | Manchester | 2015 |
| Chapel & District Riding Club | High Peak | 2026 |
| Chapel Allerton Arts Development Company Limited | Leeds | 2004 |
| Chapel Allerton Pilates Limited | Harrogate | 2015 |
| Chapel Arts Centre Limited | Bath | 2005 |
| Chapel Arts Foundation | Bath | 2015 |
| Chapel Barn CIC | Tavistock | 2024 |
| Chapel Bay Fort and Museum | Pembrokeshire | 1995 |
| Chapel Golf Club (Trading) Ltd | High Peak | 2016 |
| Chapel Health and Fitness Studio Limited | Ashby-De-La-Zouch | 2002 |
| Chapel Ltd | Llanwrtyd Wells | 2018 |
| Chapel of Love Ltd | London | 2025 |
| Chapel-En-Le-Frith Amateur Players Holdings Limited | Derbyshire | 1912 |
| Chapel-En-Le-Frith Golf Club Limited | High Peak | 1912 |
| Chapeltown Arts Ltd. | Leeds | 2015 |
| Chaperon Ruiz Art Limited | Stamford | 2023 |
| Chaperones 4 Kidz Ltd | Northampton | 2018 |
| Chaperones on Call Ltd | Hornchurch | 2016 |
| Chaplin and Churchill's Ltd. | London | 2016 |
| Chaplin Ltd | London | 2025 |
| Chaplins Disco Limited | Edinburgh | 2011 |
| Chaplins Entertainment Ltd | Middlesex | 2001 |
| Chaplins N C Limited | Middlesex | 2012 |
| Chaplins Theatre Productions Limited | Middlesex | 1995 |
| Chapmandoo Ltd | Chichester | 2015 |
| Chappel Millennium Green Limited | Colchester | 2011 |
| Chappelow Sports Turf Limited | Wakefield | 2006 |
| Chappo Music Limited | Colchester | 1978 |
| Chapridge Holdings Limited | Maidstone | 2025 |
| Chapter (Cardiff) Limited | Cardiff | 1971 |
| Chapter 8 Foundation Limited | Southampton | 2023 |
| Chapter IV Ltd | Leeds | 2022 |
| Chapter Management Ltd | London | 2019 |
| Chapter Meadows Nature Reserve CIC | Worcester | 2024 |
| Chapter Talent Agency Limited | Bromsgrove | 2025 |
| Chapter Thirty One Limited | Airdrie | 2024 |
| Chapterhouse Theatre Company Limited | Lincoln | 2017 |
| Chapters Entertainment Ltd | London | 2025 |
| Chapwoman Studios Limited | Shilton, Burford | 2024 |
| Character Creation Costumes Ltd | Cambridge | 2017 |
| Character Events Ltd | Walton-On-Thames | 2024 |
| Character Games Limited | London | 1999 |
| Character Inns Limited | Saffron Walden | 1992 |
| Character Wonderland Ltd | Ferndown | 2023 |
| Characterads Ltd | Waltham Cross | 2010 |
| Characteristic Limited | Droitwich | 2004 |
| Characters Inc Ltd | Okehampton | 2019 |
| Charcoal Creative Ltd | Scunthorpe | 2023 |
| Chard and District Carnival Committee Limited | Chard | 1996 |
| Chard Cricket Club Limited | Chard | 2019 |
| Chard Equestrian Limited | Chard | 2016 |
| Chard Forest Operations Ltd | Totnes | 2024 |
| Chard Town Football Club Limited | Chard | 2003 |
| Chardan Events UK Limited | London | 2025 |
| Charge Fit Ltd | Cambridge | 2025 |
| Charge Personal Training Ltd | Cheadle | 2025 |
| Charge UP Gym Ltd | Barnet | 2021 |
| Chargeurs Museum Studio (UK) Ltd | London | 1986 |
| Chargot Estates Limited | Exeter | 1977 |
| Chargot Ltd | Seaton | 2026 |
| Charing Cross Association (Fulham) Limited(The) | Hammersmith | 1978 |
| Charing Cross Exhibitions Ltd | Kingston Upon Thames | 2019 |
| Charing Cross Theatre Limited | London | 2010 |
| Charing Cross Theatre Productions Limited | London | 2013 |
| Chariots of Fire (Stage) UK Limited | London | 2011 |
| Charisma Dance Academy Limited | Lymington | 2007 |
| Charisma Gymnastics Club Limited | Beckenham | 2012 |
| Charisma Leisure Limited | Crawley | 2001 |
| Charity Football League Limited | Oxford | 2012 |
| Charivari Limited | Bournemouth | 2003 |
| Charjen Number 1 Ltd | Derby | 2024 |
| Charlatans Limited | London | 2021 |
| Charlbury Cricket Club | Chipping Norton | 2008 |
| Charlbury Farm Stables Limited | Swindon | 2026 |
| Charlbury Riverside Festival CIC | Chipping Norton | 2021 |
| Charlea Community Gardens C.I.C. | Stroud | 2016 |
| Charlene Grace Pavlina Kohler Limited | London | 2023 |
| Charlene Mullen Limited | London | 2013 |
| Charles Bouncy Castles Ltd | Bradford | 2025 |
| Charles Church Spitfires Limited | Winchester | 1982 |
| Charles Court Opera and Music Theatre Ltd | Sheffield | 2014 |
| Charles Dickens Centre (Gad's Hill) Limited | Higham | 2010 |
| Charles Elliott Sculpture Ltd | Hollingdon | 2022 |