Founded by the son of Polish migrants to Sweden Klarna has become a global giant in the fintech sector.
The three banks will join a plethora of fintech start-ups operating from Poland or powered by Polish ingenuity.
The mobile payment system is set for sunnier climes after signing a deal to make a bespoke system for its new middle-eastern clients.
Four of the top five banks and five of the top ten are Polish, with PKO Bank Polski leading the way, just ahead of Bank Pekao and Bank Gospodarstwa Krajowego (State Development Bank).
The Polish banking sector posted a net profit of PLN 14.7 billion (EUR 3.38 billion) in 2018, which is a 7.5 percent increase year on year, the Polish Financial Supervision Authority (KNF) said in a Wednesday report.
Thanks to cutting-edge technology and enhanced security, millions of people are embracing e-banking.
The prospects of the Polish banking system remain stable and reflect the good financial condition of banks, their strong capital and liquidity based on the deposits of domestic clients, the Fitch Ratings agency wrote in a report on central European banks.
Poland's banking sentiment indicator (Pengab) rose by 2.9 point month on month in November 2018 to 28.9 points, according to the Polish Bank Association (ZBP) and the Kantar TNS market research centre.
A new study shows that business is good for Polish firms on the other side of the Odra, but things could be better.
The Polish banking sector posted a net profit of PLN 11.63 billion (EUR 2.71 billion) in January-September 2018, up 10.8 percent year on year, the Polish Financial Supervision Authority (KNF) said in a Thursday report.