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Flatex

Large German online broker with flat-fee trading. Accepts broad range of legal forms for Geschaeftsdepots.

Features

  • 12 German + 25 international exchanges
  • Flat-fee trading (EUR 5.90/order)
  • Broad legal form acceptance
  • Geschaeftskonto (business checking) included
  • No minimum deposit
  • Free or discounted ETF trading

Pros

  • Simple flat-fee pricing
  • Accepts most legal forms (GmbH, UG, OHG, AG, KG, GbR)
  • No minimum deposit
  • Business checking account included
  • Established German broker

Cons

  • Automatically withholds 25% Abgeltungssteuer
  • Flat fee expensive for large orders vs IBKR
  • No Steuerstundungseffekt advantage
  • Fewer international markets than IBKR resellers

Best For

smaller GmbHs wanting simplicitycompanies with non standard legal formsbuy and hold investors not focused on tax optimization

About Flatex

Flatex is one of Germany's largest online brokers, offering Geschaeftsdepots to a broad range of legal forms including GmbH, UG, OHG, AG, KG, and GbR. The platform provides access to 12 German and 25 international exchanges with a simple flat-fee model of approximately EUR 5.90 per order (ETFs may be free or discounted). No minimum deposit is required. Flatex accounts also include a Geschaeftskonto (business checking account), making it an all-in-one solution. However, Flatex automatically withholds 25% Abgeltungssteuer on all gains and dividends, which results in overpayment for GmbHs and eliminates the Steuerstundungseffekt advantage.

All-in-One Business Solution

Flatex combines a business investment depot with a checking account, making it an attractive all-in-one solution for GmbHs that want simplicity. The flat-fee model keeps pricing predictable, though it can be more expensive than percentage-based commissions for large orders.

Tax Withholding Impact

Flatex automatically withholds 25% Abgeltungssteuer on all gains and dividends. For GmbHs that owe only ~1.54% on stock gains (due to paragraph 8b KStG), this means significant overpayment that must be recovered through the annual corporate tax return, typically taking 6-12 months.

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