PKO BP, mBank and ING: these are the banks with the largest number of BLIK users in Q1 2026

▤ Summary

Polish banks continued to grow their BLIK user bases in Q1 2026. PKO BP led the ranking with nearly 5 million users, while mBank and ING followed closely behind. The total number of BLIK users at domestic banks reached almost 20 million by the end of March 2026. The article also notes a small methodological caveat because some banks report quarterly data differently. This is a market snapshot for payment processing adoption in Poland, not an announcement of a new product or corporate event.

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