Best Brokers for IKZE in Poland 2026

IKZE (Indywidualne Konto Zabezpieczenia Emerytalnego) is Poland's tax-deductible retirement account. Contributions reduce your taxable income in the year they are made, and withdrawals after age 65 are taxed at a flat 10% instead of your normal income tax rate. For 2026, the annual contribution limit is 9,388.80 PLN (or 14,083.20 PLN for self-employed individuals on B2B).

The tax deduction makes IKZE compelling: if you are in the 32% tax bracket, a full 9,388.80 PLN contribution saves you 3,004 PLN in taxes. That is an immediate 32% return before any investment gains. The choice of broker determines what you can invest in, how much it costs, and how pleasant the experience is.

What to look for in an IKZE broker

ETF availability: The best IKZE strategy for most people is buying a single global ETF (like VWCE or IWDA) or a simple 2-3 fund portfolio. Not all IKZE brokers offer foreign ETFs listed on XETRA or Euronext.

Commission structure: Some brokers charge per-trade commissions (0.19-0.39% of trade value), others have minimums (e.g., 19 PLN minimum per order). For a single annual purchase of ~9,000 PLN, a percentage-based commission is cheaper than a high minimum.

Platform quality: You will interact with this account at most 12 times per year. It does not need a day-trading interface, but a broken mobile app or a platform that requires calling a broker to place orders is a dealbreaker.

Currency conversion: Buying EUR-denominated ETFs requires converting PLN to EUR. Some brokers offer FX at interbank rates + small spread; others charge 1-2% spreads that eat into your returns.

Top IKZE brokers

mBank (eMakler)

Commission: 0.29% of trade value, minimum 19 PLN for foreign markets Foreign ETF access: Yes, XETRA, Euronext Amsterdam, London Stock Exchange FX spread: ~0.5% on PLN/EUR conversion Platform: mBank web banking + mobile app Account opening: Online, takes 1-2 business days

mBank's eMakler is the most popular choice for IKZE among Polish retail investors. The integration with mBank's everyday banking makes transfers instant. Foreign ETF access is comprehensive, and the platform is functional if not elegant.

Best for: Existing mBank customers who want a no-fuss IKZE with access to global ETFs.

Cost example: Buying 9,000 PLN worth of VWCE on XETRA costs approximately 26 PLN in commission (0.29%) plus ~20 PLN in FX spread (0.5% on ~4,000 EUR equivalent). Total annual cost: ~46 PLN.

Bos (Bank Ochrony Srodowiska)

Commission: 0.19% of trade value, minimum 5 PLN for foreign markets Foreign ETF access: Yes, XETRA, Euronext FX spread: ~0.3-0.5% Platform: Bossafx web platform + mobile app Account opening: Online, 1-3 business days

Bos offers the lowest commissions for IKZE among mainstream Polish brokers. The 0.19% rate with a 5 PLN minimum makes it the cheapest option for single large annual purchases. The platform is less polished than mBank's but entirely functional.

Best for: Cost-conscious investors making one or two large trades per year.

Cost example: Buying 9,000 PLN of VWCE costs approximately 17 PLN in commission (0.19%) plus ~15-20 PLN in FX spread. Total annual cost: ~35 PLN.

XTB (limited IKZE)

Commission: 0% on ETFs (up to 100,000 EUR monthly turnover) Foreign ETF access: Yes, broad selection FX spread: ~0.5% Platform: xStation 5, excellent mobile app IKZE availability: XTB offers IKE but IKZE availability is more limited; check current status

XTB's zero-commission ETF trading is attractive, but their IKZE offering has been inconsistent. As of early 2026, XTB primarily promotes IKE. If IKZE is available, the zero-commission structure makes it the cheapest option by far. Verify directly with XTB before applying.

Best for: Investors who want the best platform experience and zero commissions (if IKZE is offered).

PKO BP (Inteligo)

Commission: 0.39% of trade value, minimum 5 PLN (GPW), minimum 29 PLN (foreign) Foreign ETF access: Limited, primarily GPW-listed ETFs FX spread: ~0.8-1% Platform: Inteligo web platform Account opening: Online for existing PKO BP customers

PKO BP's IKZE is one of the more established offerings but also one of the most expensive. The 0.39% commission and high FX spreads make it costly for foreign ETF purchases. It works well if you plan to invest only in GPW-listed instruments (Polish stocks, GPW-listed ETFs like Beta ETF WIG20).

Best for: Conservative investors focused on Polish market instruments.

DM BDM (Biuro Maklerskie BDM)

Commission: 0.19% of trade value, minimum 6 PLN for foreign markets Foreign ETF access: Yes, XETRA, Euronext Platform: Web-based, functional but dated Account opening: Partially online, may require physical documents

BDM offers competitive commission rates and decent foreign market access. The platform and user experience lag behind mBank and XTB, but for an account you access a few times per year, this is a minor issue.

Comparison table

Optimal IKZE strategy

For most investors, the optimal IKZE approach is simple:

1. Choose one broker (mBank or Bos for the best cost/convenience balance)
2. Buy one global ETF annually (VWCE, IWDA, or SWDA)
3. Make a single lump-sum purchase each January (or whenever you have the full contribution amount)
4. Do nothing else until next year

A single annual trade keeps costs minimal and removes the temptation to tinker. Over 25 years, a 9,388 PLN annual contribution growing at 7% nominal becomes approximately 590,000 PLN, of which you would owe only 10% flat tax on withdrawal (approximately 59,000 PLN total tax on the entire amount).

Common mistakes

Leaving IKZE in cash. Surprisingly common: people open an IKZE, transfer money for the tax deduction, and never invest it. Your cash sits earning savings-account-level interest while missing equity market returns.

Over-diversifying in a small account. With only ~9,000 PLN per year, splitting across 5-6 ETFs creates unnecessarily complex tax lots and higher proportional commission costs. One or two funds is plenty.

Forgetting to claim the tax deduction. IKZE contributions must be declared in your annual PIT filing. The deduction is not automatic.

Track your IKZE alongside your IKE, brokerage account, and other assets in Freenance to see how your retirement savings contribute to your overall financial freedom runway.

Related Articles

• IKZE Guide: Tax Deduction Explained — Full guide to how IKZE tax benefits work
• IKE vs IKZE Comparison — Which retirement account to prioritise
• Bogleheads Three-Fund Portfolio — Building a simple portfolio inside your IKZE