Pekao: The Rival PZU ControlsNarrow moat

PKO Bank Polski (PKO) — moat facet

The second-largest bank in Poland is controlled by the insurer the state also controls, and the two are merging.

Bank Pekao is PKO's closest competitor and it is controlled by PZU, Poland's largest insurer — which this app also covers.

Who owns the second-largest bankState Treasury34% of PZUPZU~30bn złpremiumsPekao~11% ofsector assetsMergedvs PKO's ~15%Gap to PKO4 points, closingPZU stakes are indicative; the reported facts are 29 banks and PKO the largest at ~15%
The state controls both of Poland's largest banks by different routes, and is putting an insurer behind one of them.

That produces an unusual competitive structure. The two largest Polish-controlled banks are ultimately answerable to shareholders with overlapping interests, and the State Treasury is a significant holder in both PKO directly, at 29,43%1, and in PZU. When Polish policy changes — the credit holidays, the 2026 corporate income tax rise from 19% to 30%2 — it lands on both at once, and neither can gain relative advantage from it.

Competition between them is therefore real but bounded. They compete for deposits, mortgages and corporate mandates in the ordinary way, and neither is in a position to attempt anything that would look like an attack on a fellow state-influenced institution.

PZU has separately agreed to merge with Pekao, which would create a banking-insurance group of roughly 100 billion złoty and reshape the second-largest bank in the country while PKO watches.

There is a structural oddity in the arrangement worth naming. PZU is itself a listed insurer with the State Treasury as its largest shareholder, so Poland's two biggest banks are ultimately influenced by the same owner — and that owner raised the tax on both from 19% to 30% in 20263. Competition between them is real; exposure to their common shareholder is identical.

Grade this on the deposit-share gap. PKO's roughly 15% against Pekao's smaller share is the leadership position, and a Pekao reshaped by a merger with its insurance parent is the most plausible route by which that gap narrows without PKO doing anything wrong.

Moat trajectory: Narrowing

A merger with PZU would put the second-largest bank inside the largest insurer, with a distribution reach PKO cannot match branch for branch.

The number that tests this moat
Reported
Share of Polish deposits
18,3% at end-2025, from 17,8% in 2021

A combined PZU and Pekao would compete for the same savers through bank and insurance branches. PKO's deposit share slipping would be the first sign of that reach working.

Source: PKO Bank Polski Group Directors' Report for 2025 ↗
References
  1. ReportedThe two largest Polish-controlled banks are ultimately answerable to shareholders with overlapping interests, and the State Treasury is a significant holder in both PKO directly, at 29,43%, and in PZU.
    PKO Bank Polski S.A. Group Directors' Report for 2025 - capital, shareholders and levies (the State Treasury holding 367 918 980 shares or 29,43% of the capital and votes, Nationale Nederlanden at 7,32% and Allianz Polska at 6,01%, own funds of 50 122m złoty, a total capital ratio of 17,10%, the 75% dividend payout from the 2025 profit, and the 1 349m złoty tax on certain financial institutions) — FY2025 · publ. 12 March 2026 · source ↗
  2. ReportedWhen Polish policy changes — the credit holidays, the 2026 corporate income tax rise from 19% to 30% — it lands on both at once, and neither can gain relative advantage from it.
    Polish corporate income tax on banks - the amendment signed by the president on 27 November 2025 and in force from 1 January 2026, raising the rate on commercial banks from 19% to 30% for 2026, then 26% in 2027 and 23% in 2028, with the asset-based bank levy falling from 0,0366% to 0,0329% and 0,0293%; framed by the finance ministry as social justice and as financing defence needs, criticised by the sector as discriminatory, and estimated to raise about 6,5bn złoty in 2026 — 2026-2028 · publ. November 2025 · source ↗
  3. ReportedPZU is itself a listed insurer with the State Treasury as its largest shareholder, so Poland's two biggest banks are ultimately influenced by the same owner — and that owner raised the tax on both from 19% to 30% in 2026.
    Polish corporate income tax on banks - the amendment signed by the president on 27 November 2025 and in force from 1 January 2026, raising the rate on commercial banks from 19% to 30% for 2026, then 26% in 2027 and 23% in 2028, with the asset-based bank levy falling from 0,0366% to 0,0329% and 0,0293%; framed by the finance ministry as social justice and as financing defence needs, criticised by the sector as discriminatory, and estimated to raise about 6,5bn złoty in 2026 — 2026-2028 · publ. November 2025 · source ↗
Sources
Generated September 24, 2026