Ant Group, formerly known as Ant Financial : $170 billion  Founded in 2014

Stripe : $95 Billion  Founded: 2010, California, United States CEO: Patrick Collison  Headquarters: Dublin, Ireland

Adyen : $71 billion  Headquarters: Amsterdam, Netherlands Founded: 2006

Coinbase : $56 billion  Founded: 20 June 2012  Founders: Brian Armstrong, Fred Ehrsam

Square : $51 billion  Founded: February 2009  Founders: Jack Dorsey, Jim McKelvey 

Klarna: $46 billion Founded: 2005, Sweden  Founders: Sebastian Siemiatkowski, Niklas Adalberth

NuBank: $41 billion Founded: 6 May 2013 Headquarters:  Brazil

Revolut: $33 billion Founded: 1 July 2015  Headquarters: London, United Kingdom  Founders: Nikolay Storonsky, Vlad Yatsenko

Robinhood: $32 billion Founded: 18 April 2013  Headquarters: California, United States  Founders: Vladimir Tenev, Baiju Bhatt

Chime: $25 billion Founded: 2012 Founders : Chris Britt and Ryan King  Headquarters : California, United States