Hungary is planning to beef up subsidies for electric vehicles and talks are on the way to increase subsidies for cheaper cars.
WeShare launched in Berlin last June and will expand to seven other cities this year, with plans to deploy 8,400 electric vehicles.
Revolut will use its Lithuanian banking licence, obtained in 2018, to serve customers in Central and Eastern Europe.
Hungary is the first market outside the Czech Republic for the group, which wants to expand to new markets in the future.
The Czech Republic could face counter-measures by the US if it introduces the tax that will affect internet giants like Facebook, Google and Amazon, a US diplomat has warned.