Highest paid UK survey sites – best UK online paid surveys (THAT ACTUALLY PAY) Best UK money making apps. We review 8 of the highest UK paid survey sites). These best paid surveys UK actually pay out and have the best rates. Paid surveys are a decent way to make some quick, short term cash, especially if you concentrate on the highest paying UK survey sites. Remember though, that these money making apps will not make you rich, and they are not a passive income opportunity; so it’s important to have realistic expectations.