| Crockwell Productions Ltd | St Albans | 2017 |
| Crocky Trail Limited | Chester | 2001 |
| Crocodile Cartoons Limited | Reading | 2024 |
| Crocodile Encounters Ltd | Redhill | 2011 |
| Crocodile Leisure Limited | Darlington | 1992 |
| Crocodile Spirit Limited | Gloucester | 2006 |
| Crocodile Tears Tattoos and Vapes Ltd | Runcorn | 2025 |
| Crocodiles of the World Limited | Witney | 2010 |
| Crocus Creative Ltd | Bewdley | 2013 |
| Croeso Pubs Ltd | Cardiff | 2016 |
| Croeso Staff Limited | Cardiff | 2016 |
| Croesyceiliog Rugby Football Club Limited | Cwmbran | 2022 |
| Crofame Ltd | Croydon | 2025 |
| Crofmyn Ltd | London | 2024 |
| Croft & DYE Productions Ltd | London | 2023 |
| Croft Design Studio Limited | Leighton Buzzard | 2018 |
| Croft END Equestrian Centre Limited | Manchester | 2012 |
| Croft Farm Water Park Limited | Gloucestershire | 2002 |
| Croft Holdings Limited | Gosport | 2016 |
| Croft Top Equestrian Centre Limited | Accrington | 2015 |
| Croftedge Limited | Bessborough Road Harrow | 1992 |
| Crofton Albion Sports & Social Club Limited | Bromley | 2020 |
| Croftside Tennis Club Limited | Wilmslow | 2015 |
| Croham Hurst Golf Club Limited | South Croydon | 1961 |
| Croham Hurst Golf Trading Company Limited | South Croydon | 2015 |
| Croham Road Operating Company Limited | South Croydon | 2024 |
| Croissant Club Ltd | Mildenhall | 2025 |
| Croles Amusements Limited | St Mellons | 2002 |
| Cromarty Hall Trust | Orkney | 2004 |
| Crombie Activities Limited | Brookmans Park | 2022 |
| Cromer Football Club Ltd | Cromer | 2025 |
| Cromore Castles Limited | Portstewart | 2016 |
| Cromovement Limited | London | 2018 |
| Crompton and Royton Golf Club,Limited(The) | Oldham | 1914 |
| Crompton Playhouse Limited | Shaw | 1938 |
| Cromright Limited | London | 2025 |
| Cromwell Barn Ltd | Norwich | 2016 |
| Cromwell Music Limited | Kings Rd | 1956 |
| Crondall Events CIC | Farnham | 2006 |
| Cronk Fitness Ltd | Westerham | 2024 |
| Crook Golf Club Limited | Crook | 2017 |
| Crook Golf Club Trading Limited | Crook | 2017 |
| Crookbarrow Ltd | Worcester | 2021 |
| Crooked Spine CIC | Chesterfield | 2020 |
| Crooked Spire Riding Club Limited | Chesterfield | 2019 |
| Crookes Climbing Limited | Sheffield | 2004 |
| Crookes Table Tennis Club Ltd | Sheffield | 2022 |
| Crookfit Limited | London | 2019 |
| Crookstock Music Festival CIC | Camelford | 2025 |
| Croome Heritage Trust | Tunbridge Wells | 2004 |
| Croome Walled Gardens Limited | Severn Stoke | 2014 |
| Cropredy GUN Club Limited | Banbury | 1998 |
| Crosby Consultancy Ltd | Newcastle Upon Tyne | 2024 |
| Crosby Racing Team Ltd | Ashford | 2026 |
| Crosby Tattoos Limited | Liverpool | 2025 |
| Crosby Town Team CIC | Liverpool | 2020 |
| CROSBY42 Ltd | Liverpool | 2026 |
| Crosfield Recreational Club CIC | Warrington | 2007 |
| Crosfields School Enterprises Limited | Reading | 2012 |
| Crosland Heath Golf Club Limited(The) | Huddersfield | 1921 |
| Crosland Moor Bowling Club Limited | Huddersfield | 2010 |
| Crosland Moor Juniors CIC | Huddersfield | 2025 |
| Cross Border Music Group Ltd | Newport | 2025 |
| Cross Channel Entertainments Ltd | Caernarfon | 2010 |
| Cross Country Chasers Ltd | Stockport | 2019 |
| Cross Country Motor Sport Agency Limited | Redditch | 1993 |
| Cross Country Theatre Company Limited | Melrose | 2000 |
| Cross Court Analytics Ltd | York | 2020 |
| Cross Court Padel Limited | Poole | 2023 |
| Cross Extreme Limited | Plymouth | 2009 |
| Cross Fell Productions Limited | London | 1979 |
| Cross Functional Fitness Ltd | Dromore | 2017 |
| Cross Keys Records Limited | Sheffield | 2011 |
| Cross Padel Limited | Scunthorpe | 2025 |
| Cross Perform Limited | Cambridge | 2020 |
| Cross Performance Ltd | Teddington | 2026 |
| Cross Purposes Complete Physio and Fitness Limited | Romford | 2006 |
| Cross Sport Ltd | Basingstoke | 2004 |
| Cross Sports Limited | Wirral | 2006 |
| Cross Street Arts Limited | Wigan | 2003 |
| Cross Street Tattoo Ltd | London | 2021 |
| Cross-Events Ltd. | Borehamwood | 2016 |
| CROSS4FIT Ltd | Leeds | 2018 |
| Crossbar Challenge UK Limited | Beverley | 2025 |
| Crossfest UK Ltd | Manchester | 2018 |
| Crossfire Performance Ltd | Norwich | 2024 |
| Crossfit (Cheltenham) Ltd | Cheltenham | 2012 |
| Crossfit 1066 Limited | Hastings | 2021 |
| Crossfit 17 Limited | Birmingham | 2014 |
| Crossfit 252 Chesterfield Ltd | Chesterfield | 2014 |
| Crossfit 3D Ltd | Manchester | 2009 |
| Crossfit Aberdeen Ltd | Aberdeen | 2013 |
| Crossfit Aberystwyth Limited | Aberystwyth | 2013 |
| Crossfit ALL OUT Limited | Bishop Auckland | 2014 |
| Crossfit Ancoats Limited | Cardiff | 2019 |
| Crossfit Antrim Ltd | Toomebridge | 2013 |
| Crossfit Avenge Limited | Newtownabbey | 2018 |
| Crossfit Banbury Ltd | Banbury | 2022 |
| Crossfit Barbaric Limited | Bridlington | 2015 |
| Crossfit Basingstoke Ltd | Basingstoke | 2013 |