Best brokers for investors in Belgium (2026 update)

Download the full comparison table here!

Of course, brokers are an important part of index investing. But it’s only one part. 

You also need to understand taxes, pick the right ETFs, determine your asset allocation build your personal investment plan, and then figure out all the practical stuff. It can feel overwhelming. So, to help you I invite you to watch the Free Workshop on Index Investing for Beginners.

And if you want quick responses to your questions, you can also book a consultation call with one of our experts.

Brokers Summary

Here are our main conclusions for each of the brokers analyzed (updated for 2026):

Bolero (KBC/CBC)

• Secure broker, good reputation
• Handles all Belgian taxes
• Good customer service
• Very low cost for ETFs on the Bolero Playlist, more expensive for other ETFs
• It is possible to invest in ETFs on autopilot via their monthly saving plans (recurring order of fixed number of ETF’s)

DeGiro

• Famous for its low transaction costs
• Taxes : only handles TOB, but no other Belgian taxes (dividends, capital gains and tax on accounts > 1 million)
• Need to register both Degiro and Flatex accounts with the National Bank of Belgium and annually in the tax declaration
• In recent years DeGiro received some remarks from the regulators.

Keytrade

• Secure broker, good reputation 
• Handles all Belgian taxes
• Lower(ed) transaction cost for the Amsterdam stock exchange (even for small amounts), but still more expensive than other brokers on the Frankfurt stock exchange 
• Interesting for transactions with higher amounts
• Offers also accounts for minors

Saxo Bank 

• Good security, but offers 2-factor-authentication by SMS or trusted device technique to secure the account and face recognition/fingerprint when using the mobile app.
• Saxo Bank is a low-cost broker based in Belgium and handles all taxes.
• It is possible to invest in ETFs on autopilot via their monthly saving plans (recurrent order with chosen order amount)

ReBel (Belfius)

• Secure broker, good reputation
• Handles all Belgian taxes
• Good customer service
• Lower transaction costs for the Amsterdam stock exchange (even for small amounts), but more expensive for transactions on the Frankfurt stock exchange.  Very cheap for customers aged 18 to 24 years.

Lynx

• Provide access to Interactive Brokers platform with additional services
• Solid investing platform and good customer service
• They only withheld the TOB for ETFs, not the ETF dividend tax and capital gains taxes.  Opt-in for tax on accounts > 1 million
• Need to register with the National Bank of Belgium and annually on the tax declaration
• Fees unchanged in recent years, where other brokers reduced fees.

MeDirect

• Good security, but offers 2-factor-authentication by SMS or code app to secure the account and face recognition/fingerprint as extra security layer when using the mobile app.
• Handles all Belgian taxes
• MeDirect is the cheapest broker based in Belgium for ETFs (no transaction costs).

ING Self Invest

• Secure broker
• Provides access to Amsterdam and Frankfurt stock markets, but limited number of global diversified ETFs
• They handle all the taxes
• It is possible to invest in ETFs on autopilot via their monthly saving plans (recurrent order with chosen order amount)
• Ongoing custody fees which we prefer to avoid! (except for automatic investment plan customers)

Trade Republic

• Secure broker
• Access to most used ETFs in the community
• They don’t handle any Belgian taxes. You also have to report and pay the transaction tax yourself.
• Need to register with the National Bank of Belgium and annually on the tax declaration.
• It is possible to invest in ETFs on autopilot via their monthly saving plans (recurrent order with chosen order amount)
• Very low fees
• Their main source of income is payment for order flow and kickback from product providers.

Mexem

• Provide access to Interactive Brokers platform with additional services
• Regulated in Cyprus
• Good security, but offers 2-factor-authentication by SMS to secure the account and face recognition/fingerprint when using the mobile app.
• Taxes : only handles TOB, but no other Belgian taxes (dividends, capital gains and tax on accounts > 1 million)
• Need to register with the National Bank of Belgium and annually on the tax declaration.
• Low fees and 2 ETF buy transactions per month without transaction cost

Bux

• Secure broker, owned by the Dutch bank ABN Amro
• Good customer service
• Provides access to Amsterdam and Frankfurt stock markets, but not all global diversified ETFs are available
• Taxes : only handles TOB, but no other Belgian taxes (dividends, capital gains and tax on accounts > 1 million)
• Need to register with the National Bank of Belgium and annually on the tax declaration
• Low costs for transactions, but Bux charges a monthly service fee 
• It is not possible to transfer the securities from Bux to another broker.
• It is possible to invest in ETFs on autopilot via their monthly saving plans (recurrent order with chosen order amount).

Interactive Brokers

• Secure broker
• Access to most used ETFs in the community
• They don’t handle any Belgian taxes. You also have to report and pay the transaction tax yourself

Some general attention points : 

For those who prioritize tax convenience, these are the brokers who handle all Belgian taxes: Bolero , Keytrade , Saxo Bank , ReBel , MeDirect and ING Self Invest.

For those who want to keep it simple and without hassle, these brokers offer an automatic savings plan and handle all Belgian taxes: Saxo Bank, ING Self Invest and Bolero. 

On the other hand, these brokers also offer a savings plan but do not handle all taxes themselves: Mexem, Bux and Trade Republic.

And for those who prioritize (transaction) costs, these brokers have rock bottom costs: MeDirect, Mexem and Trade Republic.

Remark: Mexem and TradeRepublic do not handle all taxes.

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You can get the full comparison table with a lot more information for each broker here.

Disclaimer:

The information provided here is for information only and may contain errors or inaccuracies. 

Updates and suggestions:

Last update: July 2026. Brokers evolve over time so the information here could become outdated. We will aim to keep it up-to-date so that it can be a resource for the community. If you find any inaccuracies or if you have suggestions for improvement, please email us at hello@firebelgium.com.