About Zopa.  Zopa is the UK's leading peer-to-peer lending service. We reward savers and borrowers who are good with their money by providing lower rate loans and higher interest on savings. Since Zopa was founded in 2005 we've helped savers lend more than £542 million in peer-to-peer loans and have been voted 'Most Trusted Personal Loan Provider' in the Moneywise Customer Awards for the past 4 years.