There’s a US-based consultant somewhere who just signed a contract with a client in a European country. The client has insisted they’ll pay in EUR and wants to send via SEPA, as their finance team is avoiding international wire transfers. Unfortunately, this consultant’s US bank account isn’t set up to receive SEPA transfers, and every time he converts EUR to USD through his local bank, he loses 3-4% of the payment before it even hits his balance.
If that scenario sounds a bit too distant, you’ll perhaps be able to relate better with Sharon, who works in New York but plans to retire in Portugal in three years and wants to build a local financial presence before she gets there.
In each of these situations, the solution is the same. They both need a bank account outside the United States. And the first question most people ask when they start looking into it is whether it’s even legal.
Easy answer, it is. Millions of US citizens hold foreign bank accounts for ordinary reasons. The process is more straightforward than most people expect, and the complications that do exist are mostly on the reporting side, not the opening side. Here, I’ll be walking through both.
What is an offshore bank account?
The phrase “offshore bank account” carries a bit of baggage that it doesn’t deserve. Most people picture secretive numbered accounts in tax havens, shell companies, or the kind of thing that ends with a congressional hearing. No thanks to Hollywood.
The reality is a lot simpler. An offshore bank account is a bank account held in a country other than where you live or where you’re a tax resident.
For example, a US citizen living in Chicago who opens a current account at a bank in Germany has an offshore bank account. So does a freelancer in New York who opens a multi-currency account to receive GBP from a London client.
People generally open offshore accounts for three main legitimate reasons.
- To manage foreign income.
If you earn in a foreign currency and convert everything back to USD through your US bank every time a payment arrives, you’ll be paying a conversion spread on every single transaction, typically 3 to 5% at traditional banks. Holding the money in the currency you earned it in and converting only what you need reduces that cost significantly. - When preparing for relocation or extended travel
Building a financial presence in another country before you move there is practical. It means you arrive with a functioning local account rather than spending your first weeks abroad trying to open one as a non-resident. - Currency diversification
Some US citizens want to hold a portion of their savings in a non-dollar currency, whether as a hedge, for travel convenience, or in anticipation of spending abroad. This is a straightforward financial decision with no legal complications, provided the reporting obligations are met.
An offshore account is not a way to hide money from the IRS. The US government has extensive mechanisms for tracking foreign accounts held by its citizens, and there are penalties for failing to report them. The reporting requirements deserve a lot of attention, so that’s where we’ll start.
The legal and reporting framework every US citizen must understand
There are two primary reporting obligations for US citizens with foreign accounts.
FBAR: FinCEN Form 114
The Foreign Bank Account Report, filed through FinCEN (the Financial Crimes Enforcement Network), is required if the combined balance of all your foreign financial accounts exceeds $10,000 at any point during the calendar year, not just at year-end.
The annual deadline is April 15th of the following year, with an automatic extension to October 15th. Filing is done electronically through the BSA E-Filing System. There is no filing fee.
The penalties for non-compliance are where this gets serious. For non-wilful failure to file, the penalty can reach $10,000 per violation per year. For wilful failure, the penalty can exceed $100,000 or 50% of the account balance per violation. Courts have interpreted “wilful” broadly, and “I didn’t know I had to file” has not consistently held up as a defence.
The FBAR is not filed with your tax return. It’s a separate filing with a separate agency.
FATCA: Form 8938
The Foreign Account Tax Compliance Act introduced a second reporting layer. Form 8938 is filed with your regular federal tax return and covers foreign financial assets above certain thresholds.
For single filers living in the US, the threshold is $50,000 at year-end or $75,000 at any point during the year. For married filers living in the US, it’s $100,000 at year-end or $150,000 at any point. The thresholds are higher for US citizens living abroad.
FATCA and FBAR cover overlapping but not identical territory, and you may be required to file both. Filing one does not satisfy the obligation to file the other.
Foreign income remains taxable
Holding money in a foreign bank account does not change your US tax liability on that money. Income earned abroad, whether from a foreign employer, a freelance client, or investments, is still subject to US income tax. The account is just where the money sits. The IRS taxes the income, not the location of the account.
The rules around FBAR, FATCA, and foreign income taxation are genuinely complex, and the consequences of getting them wrong are expensive. If your situation involves significant foreign balances or income, consult a certified tax professional before opening an account.
Do you actually need a traditional offshore account?
Before walking through the opening process, it’s worth being honest about whether you need this account or not.
A traditional offshore bank account, the kind at a private bank in Switzerland or a retail bank in Germany, involves real minimum balances, documentation requirements, and in many cases a physical visit or notarised paperwork. For some, that’s exactly the right solution. For others, it’s much more than they need.
You’ll need a traditional banking account if:
- You’re relocating permanently or for an extended period and need genuine local banking infrastructure.
- You’re holding significant assets (typically $50,000 or more) in a foreign currency for investment or diversification purposes.
- You need access to banking services in another country, such as local loans, investment accounts, or trade finance.
You’ll need a multi-currency account, not a traditional offshore account, if:
- You’re receiving foreign income from clients or employers and want to avoid conversion fees.
- You want local banking details (a SEPA IBAN, a UK sort code, a US routing number) to give to international clients without routing everything through international wires.
- You want to hold multiple currency balances and convert at your own timing rather than being forced to convert on receipt.
The distinction matters because the processes, costs, and realistic accessibility of these two options are very different. Most people asking “how do I open an offshore bank account” actually need the second option.
Traditional foreign banks have significantly reduced their US client onboarding since FATCA was introduced in 2010, because FATCA compliance costs are substantial for foreign financial institutions. Many simply don’t take new US clients anymore.
Multi-currency fintech accounts have filled a large part of that gap. They’re more accessible, open faster, and better suited to the foreign income management use case most US citizens actually have.
How to open an offshore bank account
Whether you’re opening a traditional account or a multi-currency account, the process follows a similar sequence.
Step one: Choose your jurisdiction
For traditional offshore accounts, the most accessible jurisdictions for US citizens in 2026 are Canada, the UK, Germany, the Netherlands, and some Caribbean banking centres. Historically popular jurisdictions, such as Switzerland and the Cayman Islands, have significantly reduced their intake of US clients due to FATCA compliance costs.
For multi-currency accounts, jurisdiction is less relevant because the account is digital-first and the provider usually holds licences across multiple regulatory environments.
Step two: Decide on the type of account
Current account or savings account at a traditional foreign bank, or a multi-currency account at a regulated fintech platform. The right answer depends on what you identified in the previous section.
Step three: Gather your documentation
For traditional foreign banks, you’ll typically need:
- A valid US passport
- Proof of US address (utility bill or bank statement dated within 90 days)
- Your Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN)
- A completed W-9 form (most foreign banks require this under FATCA to confirm your US taxpayer status)
- Source of funds documentation for accounts above a certain balance threshold
- Some banks require in-person verification or notarised copies of documents, which adds time and cost if you’re opening remotely
For multi-currency fintech accounts, the documentation requirements are lighter. A valid passport, proof of address, and identity verification through the platform’s KYC process are typically sufficient. You typically won’t need a W-9, notarisation, or a branch visit.
Step four: Apply and complete verification
Traditional foreign banks can take weeks to process applications, particularly for US citizens, where FATCA review adds a compliance layer. Some require an introduction from a relationship manager before an application is even accepted.
Most fintech platforms complete digital KYC verification within one to three business days in most cases.
Step five: Fund the account and understand the ongoing cost structure
The first funding transaction is where fees matter most. Understand the conversion spread on your initial deposit, the ongoing maintenance fee structure (if any), and what it costs to move money in and out. This is covered in the comparison section below.
Also read: Offshore bank accounts: What’s realistic in 2026
Grey: multi-currency banking for US citizens managing foreign income
If what you need is foreign banking details, multi-currency balance management, and a cost structure that doesn’t eat into your income, Grey will work perfectly.
With a Grey account, you get actual local banking details across multiple currencies. A US routing number and account number for USD. A SEPA IBAN for EUR. A UK sort code and account number for GBP. This way, your employers can pay you through their local payment network, the same way they pay any local vendor.
Setting up a Grey account is digital and takes only minutes to get started. KYC verification typically completes within a few business days. Once verified, your account details are available immediately. Fund it via ACH, SEPA, or Faster Payments, hold balances in the currencies you earn, and convert only when you need to, at a rate that’s shown to you before you confirm.
The fee structure is straightforward. Deposits via ACH, SEPA, or Faster Payments are charged at 0.8%, with a minimum of $2/€2/£2 and a maximum of $10/€10/£10. Currency conversion is charged at 1%, capped at $6.
You can also create a virtual USD card to pay for foreign subscriptions like AWS, Figma, or Google Ads. The card costs $5 to create with no monthly fee, but cross-border card transactions (non-USD purchases on a USD card) incur a 2% fee plus $0.50.
Grey is regulated by FINTRAC and FinCEN. Customer funds are held in segregated accounts at licensed partner banks, separate from Grey's operational capital.
Grey is not a replacement for the FBAR or FATCA reporting obligations described earlier in this article. Your Grey account, like any foreign financial account, counts toward your FBAR threshold calculation. The account provides infrastructure, not tax relief. If your combined foreign account balances exceed $10,000 at any point during the year, the filing obligation applies.
Also read: What “offshore account” really means for freelancers
LDMAG1
Making banking work for you
Opening an offshore bank account as a US citizen is legal, accessible, and practical for anyone earning in foreign currencies, planning to move abroad, or managing multi-currency expenses. The complications are mostly on the reporting side: FBAR and FATCA, which apply regardless of which type of account you open or which provider you use.
The type of account you need depends entirely on your situation. If you’re relocating permanently or holding significant assets abroad, a traditional foreign banking relationship may be the right fit. If you’re managing foreign income, paying international clients, or simply want local banking details in multiple currencies, a multi-currency account gives you what you need at a fraction of the cost and complexity.
Open your Grey account today and experience a smarter way to bank beyond borders.
Frequently asked questions
Is it legal for a US citizen to open an offshore bank account?
Yes, it is, but you have to report correctly to the US government. If your combined foreign account balances exceed $10,000 at any point during the year, you must file an FBAR (FinCEN Form 114) by April 15th of the following year, with an automatic extension to October 15th.
Do I have to pay US taxes on money held in an offshore account?
Yes. The location of your bank account does not affect your US tax liability. All income earned by US citizens, regardless of where it is held, is subject to US federal income tax.
What is the difference between FBAR and FATCA reporting?
The FBAR (FinCEN Form 114) is filed with FinCEN if your combined foreign account balances exceed $10,000 at any point during the year. FATCA (Form 8938) is filed with the IRS as part of your regular tax return if your foreign financial assets exceed $50,000 for single filers at year-end ($75,000 at any point during the year). You may be required to file both. Filing one does not replace the other.
Can I open an offshore bank account without visiting the country in person?
For multi-currency fintech accounts, yes. KYC verification is completed digitally, typically within one to three business days, with no physical visit required. For traditional foreign banks, the answer depends on the institution and jurisdiction. Many European retail banks require in-person verification or notarised copies of documents for non-resident applicants.
What documents do I need to open an offshore bank account as a US citizen?
For digital multi-currency accounts, you typically need a valid US passport and proof of address. For traditional foreign banks, you’ll need a passport, proof of address, a Social Security Number, a completed W-9 form (required under FATCA), and source-of-funds documentation for accounts above certain balance thresholds. Some banks also require a reference from an existing client or relationship manager before accepting a US citizen application.
Grey charges fees on deposits, conversions, and withdrawals. Deposits via ACH, SEPA, or FPS incur a 0.8% fee (minimum $2/€2/£2, maximum $10/€10/£10). Currency conversions are charged at 1%, capped at $6. Withdrawal fees vary by currency: ₦35 for NGN, 0.5% for EUR/GBP (minimum €2/£2, maximum €10/£10), and $0.50 to $0.65 for KES/UGX/TZS. Cross-border card transactions (non-USD purchases on a USD card) incur a 2% fee plus $0.50. Exchange rates are variable and include a margin over the mid-market rate. Always review fees and the rate before confirming a transaction. Visit our pricing page for current rates.
.svg){kind=small}
