Cambridge Analytica (CA) is a privately held British-American company with offices in the United Kingdom and the United States. CA combines data mining and data analysis with strategic communication for political candidates, political action committees, and causes, mainly those that are right-of-center.

Since its creation in 2013, CA has been involved in dozens of political races in the U.S., most notably 2016 Republican presidential candidates Ted Cruz and Ben Carson, as well as 2016 Republican presidential nominee Donald Trump.^[1] CA has also performed work for right-of-center clients in Europe, including the Leave.EU campaign in the U.K., one of the two campaigns advocating for exiting the European Union in the 2016 “Brexit” referendum. CA is partly owned by the family of conservative businessman and philanthropist Robert Mercer.^[2]