| Cricket Pavilion Development Limited | Herne Bay | 2016 |
| Cricket Rights Limited | London | 2010 |
| Cricket Street Investments Limited | London | 2023 |
| Cricket World Limited | Grantham | 2007 |
| Cricketer Holidays Limited | North Shields | 1973 |
| Cricketers Millionaire Ltd | Winchmore Hill | 2010 |
| Cricklewood Timber and Building Supplies Limited | Stevenage | 2025 |
| Crieff Travel Ltd. | Perthshire | 2007 |
| Crighton Motorcycles Ltd | Semley | 2022 |
| Crilly Airways Limited | Steyning | 2009 |
| Crime Academy Limited | Billingham | 2024 |
| Crime Force Ltd | Harrogate | 2012 |
| Crimestoppers Enterprises Limited | London | 1988 |
| Criminal Clothing Ltd. | Mansfield | 2001 |
| Crimple Moor Limited | Stokesley | 2024 |
| Crimson Bridge Ltd | Manchester | 2023 |
| Crimson Quarry Ltd | London | 2025 |
| Crimson Radish Ltd | Bristol | 2020 |
| Crimson Tiger Limited | Nottinghamshire | 2006 |
| Crindle Limited | Coleraine | 1998 |
| Cringlewood Court Management Limited | Macclesfield | 1972 |
| Crinklebottom Limited | Sawbridgeworth | 2026 |
| Criolla Ltd | London | 2022 |
| Cripcar Limited | London | 2026 |
| Cripto Trading Limited | London | 2015 |
| Criserna Limited | Hampton | 2025 |
| Crisiscast Worldwide Ltd | Robertsbridge | 2014 |
| Crism Solutions Ltd | Newtownards | 2021 |
| Crisp Addict UK Ltd | Manchester | 2025 |
| Crisp Leaves Ltd | Crewe | 2024 |
| Crisp Malting Group Limited | Fakenham | 1979 |
| Crisp Malting Limited | Norfolk | 1976 |
| Cristex Composite Materials Ltd | Blackburn | 2015 |
| Cristian Sacaliuc Ltd | City Of London | 2025 |
| Cristo Trans Ltd | Huntingdon | 2017 |
| Crit Happens Dice Ltd | Crewe | 2024 |
| Critchley Group Limited | Dorcan | 1984 |
| Critchley, Sharp & Tetlow Limited | Mitcham | 1944 |
| Criterion IT Ltd. | Bristol | 2011 |
| Critical Maintenance Ltd | Romford | 2014 |
| Critical Moments Limited | Watford | 2009 |
| Critical Path Ltd | Amersham | 2022 |
| Criticalplace Limited | Caldicot | 1996 |
| CRJ Labs Limited | Shrewsbury | 2018 |
| CRM Shipping Limited | Bucks | 2003 |
| Crm.Com Managed Service Ltd | London | 2013 |
| Crmworks Limited | Cirencester | 2017 |
| CRN 1990 (Four) Limited | Rubery Birmingham | 1982 |
| CRN Financial Management Services Ltd | Belfast | 1974 |
| CRN Training Limited | Stowmarket | 2012 |
| CRO Trustees Limited | Stockport | 2023 |
| Crobro and Co (Derby) Ltd | Loughborough | 2008 |
| Crockett & Jones (Retail) Limited | | 1923 |
| Crockett and Hall Limited | Harrogate | 2012 |
| Crockford Ltd | Burton-On-Trent | 2011 |
| Crockstead Farm Hotel Limited | Beckenham | 2010 |
| Crocodile Corporation Ltd - the | Craigavon | 2003 |
| Crocodile Rock Ltd | Syston | 2008 |
| Crocodile Scaffolding (England) Limited | Willenhall | 2001 |
| Croft 1964 Limited | Doncaster | 2013 |
| Croft Barn 1965 Limited | Grange-Over-Sands | 2015 |
| Croft Car Boot Limited | Coalville | 2015 |
| Croft Circuit Limited | Darlington | 1982 |
| Croft House Consulting Ltd | Warrington | 2024 |
| Croft Meadows Management Company Ltd | Hawes | 2007 |
| Croft Pods Ltd | Preston | 2020 |
| Croft Shareholders Limited | Bury | 2023 |
| Croft Trading Limited | High Wycombe | 1999 |
| Croft Vets Limited | Bristol | 1999 |
| Croftacre Estates Limited | Bury | 2024 |
| Croftbank Properties Limited | Bury | 2021 |
| Croftbench Limited | Newmarket | 1975 |
| Croftpak Limited | Preston | 2016 |
| Crofts B Road 3 Ltd | Manchester | 2024 |
| Crofts Installations Limited | Mansfield | 2008 |
| Croftvale Homes Limited | Manchester | 2024 |
| Croglin Estate Company Limited(The) | Wellingborough | 1907 |
| Croker Properties Limited | Portadown | 2005 |
| Crolla Design Limited | Oldham | 2023 |
| Cromac Regeneration Initiative C.I.C. | Belfast | 2010 |
| Cromartie Kilns Limited | Stoke-On-Trent Staffs | 1954 |
| Cromartie Limited | Stoke On Trent | 1986 |
| Crombies of Edinburgh Limited | Edinburgh | 2008 |
| Cromlech 1951 Limited | Newry | 2013 |
| Cromley Limited | Macclesfield | 2019 |
| Cromore Station Management Limited | Portstewart | 1997 |
| Crompton Delves Limited | Ramsbottom | 2020 |
| Crompton Direct Limited | Bolton | 2003 |
| Crompton Paper Limited | Nottingham | 2006 |
| Crompton Properties Limited | Ormskirk | 2011 |
| Cromwell 32 Limited | Belfast | 2012 |
| Cromwell Hospital Retirement Plan Trustee Limited | London | 2021 |
| Cromwell Packaging Limited | London | 2015 |
| Cromwell Property Holdings Ltd | Walton-On-Thames | 2015 |
| Cromwell Radio Limited | Huntingdon | 1996 |
| Cromwell Secretarial Services Ltd | Egham | 1994 |
| Cromwell Trucks Ltd | Aldridge | 2014 |
| Cron Stad Limited | London | 2025 |
| Croner Community Care Services Limited | Reading | 2003 |
| Croner Healthcare Management Limited | Reading | 1999 |