Not sure where to start because it's such a mountain. They have a body called the FCA - the Financial Conduct Authority, which has massive overreach controlling financial activities of both individuals and businesses. Among other things, they mandate banks to do manual checks for anything that looks "suspicious" must be investigated - as JohnnyDoe is experiencing. That's just the tip of the iceberg. If you try taking out more than 2000 in
cash, banks are obligated to ask interogative questions about why you need it, and ultimately refuse to let you have your money, like this guy:
The latest push in the UK is to allow governments to actively watch
everybody's bank statements in the UK:
I made a simple eBay transaction the other day with a new card, and the bank sent an automated call asking me to confirm my payment with their fraud department.