A “broker” is rarely just a screen where you click Buy and Sell. It is a bundle of constraints that can materially change what you can trade, how orders execute, what you legally own, what protections apply if the firm fails, what taxes are withheld, and how quickly you can move money or transfer positions.
Most real-world problems with brokers fall into four main areas. First is market access, most brokers do not offer the same exchanges, the same share classes, or the same product form. EU retail investors also hit structural product blocks like the PRIIPs (Packaged Retail and Insurance-Based Investment Products) KID (Key Information Document) requirement, which often prevents buying US-domiciled ETFs through many EU brokers. Second is custody and portability. Fractional shares, some “free share” promos, certain derivatives, proprietary funds, and even simple positions can become hard or expensive to transfer. Third is execution and hidden costs. “Zero commission” can still mean FX conversion markups, market data subscriptions, wider spreads, and conflicted order routing. In the EU, payment for order flow has been restricted and is moving to a general prohibition with only limited transitional allowances. Fourth is tax reporting. Cross-border investing triggers withholding taxes, treaty forms, and automatic information exchange reporting that your broker will enforce via mandatory documentation and account restrictions.
Exchange access is not universal and you may not get the market you actually want.
Two EU-regulated brokers can differ dramatically in direct exchange access. Some offer a limited set of venues. Others offer a broader list but still restrict certain products by residency or entity.
Examples: one broker lists access to Asian Stock Exchange as available markets, while another might only offer EU and US listings, or only offer Asia via depositary receipts or CFDs.
“Available” does not mean “tradable”, product permissions and regulatory gating can block you.
You may see an instrument in the app but cannot place an order until you request permissions. A broker may deny or limit permissions after assessing experience for complex products.
EU rules can block access to certain investments because many US-domiciled ETFs do not provide an EU PRIIPs KID, so EU retail clients may see “sell only” or an outright block. Investors often pivot to UCITS ETFs instead.
This mainly affects retail investors, including high-net-worth individuals, unless they are officially classified as professional clients.
You also may not actually own what you think you own. When you buy “stocks” on a platform, it doesn’t always mean real shares. Depending on the broker, it could be depositary receipts, CFDs, or fractional contracts.
This matters because the rights and protections can be different. For example, buying an ADR instead of the actual local share can lead to extra fees and different handling of dividends and corporate actions.
Some brokers also offer fractional shares through complex structures, which may not give you full ownership of the underlying asset.
An IPO (Initial Public Offering) is when a private company sells its shares to the public for the first time. IPO access is limited and depends on your broker. Not all brokers offer access to IPOs, and even when they do, getting shares is not guaranteed. Allocation is often limited and may depend on your account size or relationship level with the broker.
Even at the same broker, access can differ. Some platforms require minimum assets or specific account tiers to participate. For example, investors with higher balances may get priority, while others may receive only a small allocation or none at all.
You may not see most IPOs at all. Many IPOs are never made available to retail investors, especially outside the US. Even if your broker offers IPO access, the available deals are usually limited.
“Commission-free” trading is not always truly free. Some brokers earn money by routing your orders to specific market makers. This can create a conflict of interest, where your trade may not be executed at the best possible price.
In the EU, this practice is being restricted. In the UK, regulators already treat it as problematic. In the US, it is still allowed but must be disclosed. Because of this, your actual execution price can vary depending on how your broker handles orders.
Your broker’s execution policy matters more than you think. By law, brokers must aim for the best possible result, but how they achieve this depends on their internal setup. Your orders might be executed on an exchange, through internal systems, or outside the market entirely. This can affect pricing, speed, and transparency.
Order types are not the same everywhere. Some brokers offer advanced tools like stop-loss, trailing stops, or automated orders. Others only provide basic options. Even when available, these features may not work the same across all markets.
For example, some stop orders are not sent directly to the exchange but are handled by the broker internally, which can change how they behave in fast markets.
Trading outside regular hours carries additional risk. During extended trading hours, liquidity is lower and price spreads are wider. This can lead to worse execution. If you trade across different regions, time zones also become important.
For example, Asian markets open during early European hours, meaning price movements can happen while you are offline. This increases the risk of gaps and unexpected execution.
Your assets are not all held the same way. This depends on the broker’s jurisdiction and setup.
In many cases, your securities are held in pooled (omnibus) accounts, not directly in your name. Brokers may also use third-party custodians in other countries, which can create legal complications.
You should understand how your assets are held:
Are my assets held separately or pooled with others
Which custodians are used in different regions
Can my shares be lent out, and is this optional
Investor protection is limited.
Compensation schemes exist, but they do not cover everything. If a broker fails, there are protection schemes, but they do not cover everything. In the EU, coverage is usually around €20,000. In the UK, it is £85,000. In the US, it is up to $500,000 total protection, including $250,000 limit for cash and the rest for securities (stocks, ETFs, etc.).
This means you are not protected if your investments lose value.
Margin accounts increase risk. If you use leverage, your protection is weaker.
The broker may use your assets as collateral and sell your positions without warning if markets move against you
Crypto taxation in Europe varies significantly, from 0% in some cases to over 40%, depending on the country, holding period, and structure.
In most cases, profits must be reported once per year through your annual tax return
Germany:
0% if held > 1 year
Otherwise: Taxed at your personal income (up to 45%) tax rate if profits exceed the €600.
Report by 31 July (following year)
France: Flat tax 30% (capital gains)
Report typically by May–June
Portugal:
28% (if held < 1 year)
0% if held > 1 year (for individuals)
Report between April – June
Italy: 33% capital gains tax
Report by 30 November
Spain:
€0 – €6,000: 19%
€6,001 – €50,000: 21%
€50,001 – €200,000: 23%
€200,001 – €300,000: 27%
€300,001 and above: 28%
Report between April – June
Netherlands: Only net assets above €59,357 are taxed.
Report by 1 May
Cyprus: 8% on crypto profits
Report by 31 July
Brokers | Interactive Brokers | DEGIRO | Pepperstone | eToro | Trade Republic |
Entity / Regulation | EU / US entities | Netherlands (AFM) | UK / EU / AU entities | Cyprus (CySEC) | Germany (BaFin) |
Market Access | Global (US, EU, Asia) | Strong EU + US, limited Asia | Forex, indices, commodities, some CFDs on stocks | US, EU, crypto | Mostly EU + limited US |
Key Limitations | PRIIPs blocks for EU retail (US ETFs), complex platform | Limited advanced tools, securities lending may apply | No real stock ownership, CFD-only model | Many assets are CFDs, spreads can be wide | Limited exchanges, basic order types |
Ownership Model | Real shares + derivatives | Real shares (often in omnibus accounts) | CFDs (no underlying ownership) | Mix (CFDs + some real shares) | Real shares (limited flexibility) |
Best For | Serious investors, global access | Cost-focused long-term investors | Active traders, short-term trading | Casual traders | Beginners, passive investors |
To truly understand how a broker works, you need to check both regulatory sources and the broker’s own documents. Key things to review include fees, execution policy, product access, transfer rules, and margin terms.
Most limitations and risks are not obvious upfront. They are hidden in these documents and only become visible when something goes wrong.
We can review your setup and help you choose the right brokerage structure. Arrange a free initial consultation.
