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Quick Summary
If you're a US citizen or green card holder in Germany, the normal expat investing advice does not apply to you. German brokers usually refuse to open your account, the EU ETFs everyone else buys are taxed punishingly by the IRS as PFICs, and the US-domiciled funds that would solve the problem are blocked from sale in the EU. This guide explains the double bind, the two paths that actually work, and why every American here needs a cross-border tax adviser before investing a single euro.

When an American walks into a German bank and asks to open a Depot, they usually get a polite no. It feels personal. It isn't. It's compliance risk, and it's the same at almost every German broker. The mistake I've watched Americans make is assuming the rejection means "find another German broker." It doesn't. It means the whole standard playbook is the wrong one for you, and you need a different map.
Table of Contents
Why This Article Is Different
Everything else on this site about investing in Germany, the beginner's guide, the broker comparison, the capital gains guide, assumes you can open a German broker account and buy a European ETF. For US citizens and green card holders, both of those assumptions break. The United States taxes its citizens on worldwide income no matter where they live, and that single fact reshapes every investment decision you make here.
This is background information, not tax advice. US cross-border taxation is genuinely complex, and the stakes are high enough that you should read this to understand the landscape, then hire a professional who does both US and German tax before you act.
The Double Bind
Americans in Germany get squeezed from two sides at once.
Side one: German brokers reject you (FATCA). Under the US Foreign Account Tax Compliance Act, non-US financial institutions must report accounts held by US persons to the IRS. Many German banks and brokers decided the compliance burden isn't worth it and simply refuse US citizens. This "de-risking" is why your application gets declined, and it's not something you can argue your way past.
Side two: EU ETFs are PFICs (the IRS punishes them). Say you do find a German account. The obvious move, a broad UCITS ETF, walks you straight into the Passive Foreign Investment Company regime. The IRS treats almost every non-US pooled fund, including nearly every Irish-domiciled UCITS ETF, as a PFIC. Under the default rules, your gains and certain distributions get taxed at the highest historical rate for each year you held the fund, plus an interest charge on the deferred tax, and you file a separate Form 8621 for each fund every year. A holding that looks tax-efficient to a German investor becomes a tax and paperwork nightmare for you.
The escape that's also blocked. The clean fix would be a US-domiciled ETF, which isn't a PFIC. But under the EU's PRIIPs rules, US-domiciled funds can't be sold to EU retail investors without a European Key Information Document they don't provide. So an EU broker can't sell you the one product that would solve your problem. Rejected on one side, penalised on the other, blocked on the escape route.
The Two Paths That Actually Work
Despite the bind, Americans in Germany do invest, and cleanly. Two approaches sidestep the whole mess:
Path one: a US brokerage that serves expats. Keep your money in the US system. A US-domiciled brokerage account lets you buy US-domiciled ETFs, which are not PFICs and are not subject to EU PRIIPs rules because you're buying as a US account holder. This is the cleanest route for most Americans here. Interactive Brokers and Charles Schwab International are the two names that come up again and again, precisely because they keep serving US citizens who live abroad. If you already had a US brokerage before moving, do not casually close it.
Path two: individual stocks. A single company share is not a pooled fund, so it's neither a PFIC nor a PRIIPs product. You can hold individual stocks without triggering either regime. The trade-off is obvious: you lose the instant diversification of an ETF and take on single-company risk, which is a real cost, not a footnote.
What doesn't work: buying EU ETFs and hoping the IRS won't notice, or opening a German account under a non-US address you don't actually live at. Both create bigger problems than they solve.
The Paperwork You Owe Regardless
Even before investing, US citizenship carries reporting duties that living in Germany doesn't erase:
- A US tax return every year, reporting worldwide income, even if you owe nothing after the Foreign Tax Credit or exclusions.
- The FBAR (FinCEN Form 114) if your foreign financial accounts together top USD 10,000 at any point in the year. Your German checking account counts.
- Form 8938 under FATCA, on top of the FBAR, once you cross higher asset thresholds.
- The US-Germany tax treaty and Foreign Tax Credit exist to stop you being taxed twice, but they don't file themselves, and they interact with PFIC rules in ways that punish guesswork.
This is exactly why the professional comes before the portfolio. The cost of one cross-border adviser is small next to the cost of unwinding a PFIC position filed wrong for five years.
What About My US Retirement Accounts?
Most Americans arriving in Germany already hold a 401(k), a Traditional IRA or a Roth IRA, and the first worry is whether Germany will tax the growth inside them. The US-Germany tax treaty addresses cross-border pensions, and in broad terms it aims to stop the same retirement money being taxed twice. In practice, employer plans and IRAs usually keep their tax-deferred character better than most people fear.
The Roth IRA is the tricky one. It's tax-free in the US system, but Germany doesn't have a native Roth concept, and how the growth and withdrawals are treated here depends on the treaty article that applies and on your specific situation. This is precisely the kind of question where a confident-sounding blog answer costs people money. Do not close, convert, or roll over a US retirement account based on a forum post. Bring the exact account statements to a US-Germany tax professional and let them map it against the treaty before you touch anything.
The same caution applies to new contributions: whether you can keep funding a US retirement account from German earnings, and whether it still makes sense, is a personal-advice question, not a rule you can copy from someone else's setup.
When to Just Wait
An honest note, because not investing yet is sometimes the right call:
- You haven't found a US-friendly brokerage solution. Don't force an EU ETF into a US tax return to fill the gap. Wait, get the right account, then invest.
- You're only in Germany briefly and already have a US brokerage. Keep contributing to what you have. You may not need a German solution at all.
- You haven't talked to a US-Germany tax professional. For Americans, this genuinely comes first. The investment is the easy part; the reporting is where the money is lost or saved.
Being American doesn't lock you out of building wealth in Germany. It just means the standard expat route isn't yours, and the right first move is a conversation, not a click.
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About Oliver
Founder of expats.de, former cooperative bank advisor (Bankfachwirt IHK) with 12 years of banking experience, and a §34d licensed insurance broker. Since 2014, Oliver has helped over 10,000 expats navigate the German financial system. Read Oliver's full story →
Educational Notice & General Advice
This content is educational and reflects analysis based on our 11 years of market experience, our 200,000+ community insights, and current regulatory knowledge.
As a 34d-licensed insurance broker and experienced financial advisor, I provide this guidance in good faith. However, for personalized advice especially regarding insurance, mortgages, or tax-specific decisions—please consult with a qualified financial advisor or tax professional in your specific situation. Past expat experiences and historical market data do not guarantee identical results for your unique circumstances.
