Cambridge Analytica’s parent company, SCL Elections, has been fined £15,000 for failing to respond to an American citizen’s request for copies of information it holds on him.
https://www.theguardian.com/uk-news/2019/jan/09/cambridge-analytica-owner-scl-elections-fined-ignoring-data-request
https://www.theguardian.com/uk-news/2019/jan/09/cambridge-analytica-owner-scl-elections-fined-ignoring-data-request