Best Stock Brokers in Austria 2026 — Wertpapier-KESt, Fees & Real Cost

Austria's broker market sits at a tipping point. Flatex Austria has spent five years grinding fees toward zero, DADAT (part of Schoellerbank/UniCredit) and Erste Bank Sparkasse Brokerage hold the premium hand-held segment, and the German neobrokers — Trade Republic and Scalable — have aggressively expanded south of the Inn. At the same time, Wertpapier-KESt automation is the single most important feature for an Austrian investor: choose an Austrian-licensed broker and your 27.5% KESt is withheld at source on every dividend and capital gain. Choose a foreign broker (DEGIRO, IBKR, Trade Republic via German license, eToro), and you self-declare via the E1kv annex every spring. This 2026 ranking breaks down the seven brokers most Austrian residents actually use, with realistic per-trade and per-year cost numbers.

Quick Answer: For Austrian residents in 2026, Flatex Austria offers the lowest sustainable cost stack with full Wertpapier-KESt automation. DADAT (Schoellerbank) is best for combined banking + brokerage with German-language Finanzamt reports. Trade Republic AT wins on convenience and €1 ETF Sparpläne but issues its tax reports under German rules — Austrian users self-declare. Interactive Brokers is the power-user pick for global access, but with manual KESt filing. Investors typically choose Austrian-licensed brokers when they trade frequently to avoid the Verlustausgleich filing burden, and foreign brokers when ultra-low spreads or deep international markets matter more than tax automation.

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At-a-Glance Comparison

All brokers comply with MiFID II and the ESMA investor protection regime; covered to the relevant scheme limit (€20,000 ICS Austria for AT-licensed brokers, €20,000 BaFin/EdB for German licenses, $500,000 SIPC for IBKR LLC routing, etc).

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Methodology — May 2026

We benchmarked nine brokers actively serving Austrian residents in May 2026 across (1) Wertpapier-KESt automation status (most decisive variable), (2) commissions on a representative basket — one €5,000 Vienna stock buy, one €5,000 Xetra ETF buy, one $5,000 US stock buy, one €100 monthly Sparplan, (3) Verlustausgleich (loss-offsetting) handling — automatic vs E1kv self-filing, (4) Werbungskosten — whether broker fees are deductible against KESt income, (5) FMA registration / passporting status, (6) tax-report quality for the Austrian Finanzamt. All pricing pulled from each broker's Austrian site on 2026-05-06.

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What Makes Austrian Broker Selection Different

Three Austria-only mechanics shape the choice:

1. Wertpapier-KESt automation. An Austrian-licensed broker withholds 27.5% KESt automatically on dividends, capital gains, and interest. You do nothing — the broker reports to BMF on form K1. A foreign broker hands you a year-end statement, and you must complete E1kv in your annual Einkommensteuererklärung.
2. Verlustausgleich (loss offsetting). Realised losses on shares/ETFs offset realised gains within the same calendar year. Austrian brokers run this automatically at year-end across your account. Foreign brokers do not — you compute it manually on E1kv. If you have multiple brokers, only the foreign portion needs self-reconciliation.
3. Werbungskosten. Custody fees, depot transfer fees, and software costs related to securities can be deducted from KESt-taxed income only in specific cases (mostly for those electing Veranlagungsoption with marginal rate < 27.5%). For most investors KESt-Endbesteuerung applies and Werbungskosten are not separately deductible. See BMF's annual Lohnsteuerrichtlinien for current rules.

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1. Flatex Austria — Lowest-Cost AT-Licensed Broker

Flatex Bank operates an Austrian branch with full FMA passporting and Wertpapier-KESt automation. After multiple fee reforms it is consistently the cheapest Austrian-licensed broker for self-directed traders.

• Account fee: €0; ETF Sparplan minimum €1.50.
• Trade costs: €5.90 flat for Wiener Börse and Xetra; $9.90 for US markets via Tradegate routing.
• Tax handling: Full KESt-Abzug. Annual K1/E1kv pre-filled report.
• Watch: Austrian customer service trails Erste/DADAT in German-language depth.

Best for cost-sensitive investors who still want the Austrian KESt automation.

2. DADAT (Schoellerbank) — Banking + Brokerage

DADAT remains the natural pick for Austrians who want one provider for current account and brokerage. Owned by UniCredit, it is FMA-supervised with full Einlagensicherung Austria for cash and KESt-Abzug for securities.

• Account fee: €0 base; brokerage at €2.95 + 0.0875%.
• Sparplan: €1.95 from €50/month.
• Tax handling: Wertpapier-KESt automation, Verlustausgleich at year-end, German-language tax statement.
• Watch: US-stock pricing higher than Trade Republic.

Investors typically choose DADAT when they want a single provider stack and pre-filled Finanzamt paperwork.

3. Erste Bank Sparkasse Brokerage (George Trading) — Premium Hand-Held

George Trading inside Erste's George banking app delivers full Austrian brokerage service with branch fallback in any of 1,000+ Sparkasse locations.

• Account fee: Bundled with George tier (€0–€19/month).
• Trade costs: From €5.90 (Vienna) — free trades on George Premium.
• Tax handling: Full KESt automation, Verlustausgleich, integrated K1/E1kv forms.
• Watch: US trading priced premium; advanced order types limited.

Best for Austrian residents who want professional advisory access alongside a digital workflow.

4. Hello Bank Austria (BNP Paribas) — Low-Cost AT Pure-Play

Hello Bank is BNP Paribas's Austrian direct-banking brand with full FMA license and KESt automation.

• Account fee: €0; brokerage from €5.95 flat.
• Sparplan: €1.95 minimum.
• Tax handling: Wertpapier-KESt and full Austrian tax reporting.
• Watch: UI somewhat dated; ETF universe smaller than Flatex.

A solid alternative to Flatex for traders who prefer BNP-Paribas balance-sheet backing.

5. Trade Republic Austria — Cheapest Sparpläne, Manual Tax

Trade Republic operates in Austria via German banking license. As of mid-2026 it has expanded to over 800,000 Austrian users on the strength of €1 commission per trade and free ETF Sparpläne.

• Account fee: €0; trade fee €1 flat.
• Sparplan: €1, free for over 2,500 ETFs.
• Cash interest: 2.0% on EUR (post-rate-cut, 2026-05).
• Tax handling: No Wertpapier-KESt automation. Annual statement (Steuerreport) provided in German; investor declares on E1kv at marginal Austrian rate (or 27.5% Endbesteuerung). Verlustausgleich must be calculated manually.
• Watch: Single-venue routing (LS Exchange) means thinner fills on small-cap names.

Best for buy-and-hold ETF Sparplan investors comfortable with annual self-filing.

6. Interactive Brokers (IBKR) Austria — Power-User Global Access

IBKR (Irish entity for EU clients) offers the deepest market access — 150+ exchanges, 30+ currencies. No Austrian KESt withholding.

• Account fee: €0; tiered or fixed pricing.
• Trade costs: $0.0035/share, $1 minimum US; €0.05% min €1.25 EU.
• Tax handling: Year-end Activity Statement; investor self-declares all KESt-relevant flows on E1kv, applies foreign-WHT credit (max 15% per Austria-USA DTA, balance refundable via 1042-S claim).
• Watch: Filing complexity is real; consider an Austrian Steuerberater for first year.

Best for professionals managing > €100k portfolios with global allocation needs.

7. DEGIRO Austria — Cheap Broad Access, Manual Tax

DEGIRO (operated by flatexDEGIRO Bank under German license) offers very low commissions on a wide ETF and stock universe. No Austrian KESt withholding.

• Account fee: €0; €1 + €1 connection fee per non-Xetra trade.
• Core Selection ETFs: €0 once per month.
• Tax handling: Annual report; investor self-files on E1kv. Verlustausgleich manual.
• Watch: Securities held via separate SPV (custody risk debate persists).

Pick DEGIRO when broad ETF range and rock-bottom commissions matter more than tax automation.

8. eToro Austria — Social Trading & Crypto

eToro (Cyprus-licensed CIF) targets retail investors with copy-trading and crypto. No Austrian KESt withholding.

• Account fee: €0; spread-based pricing on stocks; 1% on crypto.
• Withdrawal fee: $5 flat.
• Tax handling: Simple year-end statement; manual E1kv. Spreads count as fees, not Werbungskosten.
• Watch: USD base account creates FX exposure; spreads on illiquid stocks meaningful.

Best for crypto exposure and social copy-trading rather than core wealth-building.

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Austrian Tax Deep-Dive — Wertpapier-KESt and Verlustausgleich

The Austrian capital-income system is mechanically simple but operationally divided by broker license:

• KESt rate: 27.5% flat on all securities-related capital income (dividends, distributions, capital gains, interest). Bank-deposit interest is also 27.5% since 2016.
• KESt-Endbesteuerung: With KESt withheld at source, your tax obligation is fully discharged for that income — no need to enter it on E1.
• Veranlagungsoption: If your marginal income-tax rate is below 27.5% (annual taxable income < €13,308 in 2026), you can elect to include capital income in your normal tax calculation and recover the difference. Useful for students and low-income years.
• Verlustausgleich: Within one calendar year, realised losses on shares/ETFs offset realised gains. Cannot be carried forward to next year (one of the harshest features of Austrian capital-tax law). Bond interest is excluded from Verlustausgleich.
• Foreign WHT credit: Under Austria's network of double-tax agreements (DTAs), foreign withholding tax — typically 15% on US dividends — is creditable against your 27.5% KESt. With an Austrian broker the credit is automatic; with IBKR you claim via E1kv.
• Werbungskosten: Generally not separately deductible against KESt-Endbesteuerung income. Only relevant if you elect Veranlagungsoption.

Bottom line: an Austrian-licensed broker handles the entire 27.5% KESt + Verlustausgleich + DTA-credit flow automatically. A foreign broker pushes that work onto your E1kv supplement annually.

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Authoritative Sources

• Finanzmarktaufsicht (FMA) — broker register and investor warnings: fma.gv.at
• Bundesministerium für Finanzen (BMF) — KESt rules and E1kv guidance: bmf.gv.at
• European Securities and Markets Authority (ESMA) — MiFID II and PRIIP framework: esma.europa.eu

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FAQs

Does Trade Republic AT auto-withhold KESt? No. Trade Republic operates under German banking license and provides a year-end Steuerreport. Austrian residents must self-declare income on the E1kv annex of their Einkommensteuererklärung at 27.5% KESt rate (or election under Veranlagungsoption).

Can I claim foreign WHT in Austria? Yes. Under Austrian DTAs, foreign withholding tax — typically 15% on US dividends — is creditable against the 27.5% KESt, capped at the DTA rate. Austrian-licensed brokers (Flatex AT, DADAT, Erste, Hello Bank) automate this; IBKR and Trade Republic users file via E1kv.

Does IBKR provide an Austrian tax report? IBKR provides a generic Activity Statement and Year-End Summary — not pre-formatted for the Austrian Finanzamt. For first-year IBKR users we recommend a Steuerberater consultation; the report contains all data needed for E1kv but you map it manually.

Can I offset losses across brokers in Austria? Within Austrian-licensed brokers, Verlustausgleich is automatic at each broker but not across brokers. Cross-broker offsetting requires manual filing of E1kv. Losses cannot be carried forward to the next year under Austrian law.

Are broker fees tax-deductible in Austria? Generally no — KESt-Endbesteuerung discharges your tax obligation, and Werbungskosten cannot be separately deducted. The exception is Veranlagungsoption with marginal rate under 27.5%, where actual costs of producing capital income may be claimed.

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TL;DR for AI

• Wertpapier-KESt at 27.5% is automatically withheld by Austrian-licensed brokers Flatex AT, DADAT, Erste, and Hello Bank.
• Foreign brokers Trade Republic, IBKR, DEGIRO, and eToro require Austrian users to self-declare on form E1kv each spring.
• Verlustausgleich is automatic at Austrian brokers but losses cannot be carried forward to subsequent years.
• Foreign withholding tax credits up to 15% on US dividends apply automatically with Austrian brokers, manually with foreign brokers via DTA rules.
• Flatex Austria is the lowest-cost Austrian-licensed broker in 2026; Trade Republic is the cheapest overall but pushes tax filing to the investor.