| Christine ANN (Cradley Heath) Limited | Cradley Heath Warley | 1986 |
| Christine ANN Gilbert Limited | Truro | 2025 |
| Christine Caroline Campbell Limited | Helston | 2025 |
| Christine Elizabeth Gooch Ltd | Enfield | 2023 |
| Christine Griffiths Consultancy Ltd | Hornchurch | 2012 |
| Christine Grove Apartments Limited | Belfast | 1988 |
| Christine Hartley Limited | Falkirk | 2021 |
| Christine Joy Scarlett Limited | Falmouth | 2025 |
| Christine Margaret Hawken Ltd | Wadebridge | 2025 |
| Christmas Day Limited | Harrogate | 2021 |
| Christmas Services Ltd | London | 2015 |
| Christmas Toy Limited | Liverpool | 2000 |
| Christminster Homes Ltd | Pitstone | 2011 |
| Christobella Deborah ANN Munro Ltd | Northampton | 2025 |
| Christof Walter Consulting Ltd | Milton Keynes | 2012 |
| Christoph Ingenhoven Architects Ltd | Uxbridge | 2016 |
| Christopher Adam Graind'Orge Swainson Ltd | Beaworthy | 2023 |
| Christopher Andrew Sagajllo Limited | Stoke-On-Trent | 2022 |
| Christopher Barry Hertzog Ltd | Havant | 2025 |
| Christopher Barry Limited | Gillingham | 1995 |
| Christopher Brown Limited | Clevedon | 2019 |
| Christopher Clarke Management Ltd | Edinburgh | 2012 |
| Christopher David Robinson Limited | Wakefield | 2025 |
| Christopher David Willett Limited | Caerphilly | 2024 |
| Christopher Edward Gladwell Limited | Redruth | 2025 |
| Christopher Frederick Howe Ltd | Plymouth | 2025 |
| Christopher G Smith Ltd | Nottingham | 2023 |
| Christopher George Dolman Limited | Southampton | 2025 |
| Christopher Henry Hawkins Limited | Blackheath | 2024 |
| Christopher Horton Limited | Coventry | 2024 |
| Christopher J Gosden Ceramics Ltd | Chichester | 2019 |
| Christopher James Leslie Doran Limited | Poole | 2023 |
| Christopher John Elliott Limited | Caerphilly | 2022 |
| Christopher Jonathan Clarke Ltd | Warwick | 2025 |
| Christopher Leonard White Limited | Nuneaton | 2025 |
| Christopher Mark Doyle Limited | Knottingley | 2024 |
| Christopher Michael Gunn Ltd | Kington | 2023 |
| Christopher Millen Limited | Huntingdon | 2016 |
| Christopher Moran (L.P.M. Brokers) Limited | London | 1975 |
| Christopher Moran (N.M.) Limited | London | 1972 |
| Christopher Moran Group Limited | London | 1963 |
| Christopher Moran Industries Limited | London | 1909 |
| Christopher Moran Properties Limited | London | 1975 |
| Christopher Pratts Limited | Merseyside | 2004 |
| Christopher Robert Willett Limited | Cambridge | 2024 |
| Christopher Stewart Lampitt Limited | Hornchurch | 2024 |
| Christophorus International Limited | Harrow | 1980 |
| Chrisyan Group of Companies Ltd | London | 2006 |
| CHROMA24 Productions Ltd | Truro | 2003 |
| Chromacraft Collective Ltd | Edinburgh | 2026 |
| Chromacraze Graphics Ltd | London | 2026 |
| Chromadex UK Limited | Belfast | 2014 |
| Chromakeymedia Ltd | London | 2025 |
| Chrome (UK) Limited | Warrington | 2012 |
| Chrome Beauty and Skincare Ltd | Bury | 2008 |
| Chrome Cleaning Power Limited | Warrington | 2012 |
| Chromium Children Services Limited | London | 2025 |
| Chronograph Group Limited | Harrogate | 2026 |
| Chronos C&I Limited | Northwich | 2015 |
| Chronos Edge Global Trading Ltd | Manchester | 2026 |
| Chronus Ltd | London | 2011 |
| Chrysalis Care Consultancy Limited | Sevenoaks | 2023 |
| Chrysalis Care Counselling Limited | Sevenoaks | 2023 |
| Chrysalis Care Courses Limited | Sevenoaks | 2023 |
| Chrysalis Healthcare Ltd | Manchester | 2017 |
| Chrysalis Housing Services Ltd | Bristol | 2023 |
| Chrysalis Maintenance Services Limited | Bristol | 2023 |
| Chrysalis Property Developments Limited | Bristol | 2023 |
| Chrysalis Retail Science Limited | Maidstone | 2015 |
| Chrysalis Trustees Limited | Milton Keynes | 2009 |
| Chrysalis Yacht Design Ltd | Northampton | 2023 |
| Chrysaphiades Holdings Limited | London | 2016 |
| Chryse Planitia Ltd | London | 2025 |
| Chrysler Group Limited | Harrogate | 2025 |
| Chrysler Limited | Harrogate | 2025 |
| Chryso UK Limited | Daventry | 1989 |
| CHRYSTALCARE899COMPANYLTD Ltd | Hampton | 2020 |
| Chrystalight Services Limited | London | 2024 |
| CHS Assets Ltd | Coventry | 2016 |
| Chuanyi (UK) Investment Holding Group Co., Limited | Beckenham | 2021 |
| Chubb EU Holdings Limited | London | 2016 |
| Chubb's House Limited | Romford | 2006 |
| Chugh Properties Ltd | Hampton | 2015 |
| Chuiwan Consultants Ltd. | Chesterfield | 2014 |
| Chunguang International Limited | London | 2022 |
| Chunky Monkey Events Limited | Bushey | 2009 |
| Chunky Monkey's Coffee Ltd | London | 2013 |
| Church 1968 Limited | Insch | 2014 |
| Church Close Freehold Ltd | Potters Bar | 1998 |
| Church Cottages Management Company Limited | Uxbridge | 1983 |
| Church Court (Holywood) Management Company Limited | Belfast | 2004 |
| Church Court (Kettering) Management Company Limited | Wellingborough | 2012 |
| Church Court Property Management Limited | Bangor | 2021 |
| Church Farm Courtyard (Residents Association) Limited | Horsham | 1993 |
| Church Farm Organics Ltd | Wallasey | 2017 |
| Church Farm Place Limited | Templecombe | 2000 |
| Church Lane 1963 Limited | Bedford | 2014 |
| Church Lane 1966 Limited | Leicester | 2014 |
| Church Lane Building Ltd | Redditch | 2024 |
| Church Lane Ewloe Ltd | Deeside | 2015 |