Mr Storonsky still owns a significant stake in Revolut, which operates a banking app and allows his clients to buy cryptocurrency as well as silver, gold and stocks in publicly traded companies.
Revolut’s valuation jumped to $ 5.5bn (£ 4.2bn) earlier this year when the company raised $ 580m in funding from backers, including TCV.
The Tech Hot 100 ranks reveal that the total wealth of Britain’s most successful business leaders has grown from £ 4.5bn last year to £ 8.5bn. Half of the 10 richest start-up founders in the UK were born abroad.
Other members of the rankings include Ben Francis, the 28-year-old General Manager of Gymshark and a former pizza delivery boy whose net worth has reached £ 700million.
The two co-founders of foreign exchange firm TransferWise are also in the top 10 on the list, with a combined net worth of £ 1.2 billion.
Born in Russia, Mr. Storonsky, kitesurf enthusiast and former swimming champion, has led the company’s expansion to 36 countries around the world. The company now has more than 10 million customers and is aiming for a full launch in the United States after years of breakneck growth.