| Company | Type | Founded |
|---|---|---|
| Cambridge Analytica | business, enterprise | 2014 |
| Carnival Corporation | business, dual-listed company, public company, cruise line | 1972 |
| Cineworld | cinema chain, public company | 1995 |
| Clarivate | public company | October 3, 2016 |
| CME Group | stock exchange, business, enterprise, public company | July 12, 2007 |
| Nature Portfolio | publishing house, open-access publisher, academic publisher | 1999 |
| Verso Books | publishing house | 1970 |
| Viagogo | business, ticket sales service, ticket reseller | 2006 |