A specialization, not a credential
International tax is a specialization, not a credential.
Short summary
Foreign anything = cross-border
You need one when foreign income, foreign accounts, a foreign business interest, or a move across a border puts you in forms a domestic preparer does not file.
Before the year ends
Most of the value comes from decisions made before the year ends, not in the return afterwards.
Credit, exclusion, treaty
Relief from double tax comes from the credit, the exclusion, or a treaty, and they cannot simply be stacked.
Ask what they file
When you are choosing one, ask what they file every season, not what they have read.
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The setup
No separate licence — a form list
There is no separate licence for international tax. A CPA licence is issued by a US state board. An Enrolled Agent licence is federal. Neither says anything on its face about cross border work. What makes someone an international tax accountant is the forms they file every season and the countries they have already seen, which is why the useful question is what they have handled.
01Is, and is not
What an international tax accountant is, and is not
It is a specialisation.No US board awards an international tax credential. The title describes what someone spends their time on, not a qualification they hold.
A CPA licence comes from a state.You can check any CPA against their state board register or through CPAverify, which is worth doing.
An Enrolled Agent is licensed federally.An EA is admitted to practice before the IRS in every state, which matters if your issue is a notice rather than a return.
The real marker is the form list.Forms 1116, 2555, 5471, 8938, 3520 and the FBAR are the ones a domestic practice rarely touches. Ask which of them get filed in a normal season.
02When you need one
When you need one
A domestic preparer handles a US-only return. Any one of these turns it into a cross-border filing.
Most people do not need an international tax specialist. You do if any of these apply:
You are a US citizen or green card holder living abroad, or you moved across the border partway through a year.
You hold foreign bank accounts, a foreign pension, or property outside the US.
You own 10% or more of a foreign company, which is where the Form 5471 filing categories begin.
You received a gift or an inheritance from someone who is not a US person.
You are a US citizen married to someone who is not, or the reverse.
Your business has a subsidiary, a contractor, or a customer base outside the US.
If even one applies, the return is no longer a domestic one.
03When the work happens
When the work actually happens
Most of the value comes from decisions made months before the return.
Timing a move across a year-end can decide whether you file one return or two.
The first year you claim the foreign earned income exclusion sets an election you cannot casually reverse; revoking it generally locks you out for five years.
A foreign entity is far cheaper to structure correctly at formation than to unwind after the first filing.
A preparer meets you in April. An international tax accountant wants the conversation in September.
04Double tax decision
The double tax decision
Three tools exist, and they interact rather than stack. The foreign tax credit gives you relief for tax already paid abroad. The foreign earned income exclusion removes qualifying earned income from the US calculation instead. You cannot use both on the same dollar. Which one wins is worked through on our expat taxes page.
Treaties are the tool people expect most from and get least out of. Nearly every US treaty contains a saving clause, which preserves the US right to tax its own citizens and residents as though the treaty had not been signed, subject to a short list of named exceptions. A treaty usually helps a non-resident with US source income far more than it helps a US citizen abroad.
05Estate exposure
The estate exposure most people miss
US estate tax turns on citizenship first, and for non-citizens on domicile, which is where you intend to remain. Neither test is your income tax residency, so a green card does not settle the question. The difference is large.
A US citizen or domiciliaryis taxed on worldwide assets, against the full exemption everyone reads about.
A non-citizen non-domiciliaryis taxed on US situated assets only, against an exemption of $60,000. That figure is not indexed and has not moved since 1988.
US situated assets includeUS real estate and shares in US companies, which catches a lot of people who thought they had no US exposure at all.
A spouse who is not a US citizendoes not get the unlimited marital deduction unless the property passes through a qualified domestic trust.
An estate tax treaty can change all of this.The US has them with a limited list of countries, and where one applies it can replace the flat $60,000 with a proportional share of the full exemption, or give marital relief that would otherwise need a trust. Check the list before assuming the $60,000 applies to you.
Decision tree · US estate tax
Citizenship is tested first, then domicile
US citizen
Worldwide assets
Against the full exemption
Domiciled in the US
Worldwide assets
Domicile, not citizenship
Non-citizen, non-domiciliary
US situated assets only
Exemption of $60,000
What that catches
US real estate
Counts as US situated
Estate tax treaty
May override this
Non-citizen spouse
Needs a QDOT
06How to choose
How to choose an international tax accountant
Ask what they file, not what they know.How many 5471s last season, how many streamlined submissions, how many dual status returns.
Ask about your country specifically.Treaty positions and foreign pension treatment do not generalize.
Ask when they want to hear from you.If the answer is only at filing time, international tax planning is not on offer.
Verify the license.State board register or CPAverify, and ask whether an EA or a CPA will sign.
Ask who does the work.The person on the call is not always the person on the return.
07Related questions
Related questions worth asking
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From the record
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“Make sure you have an accountant that knows you, that you can pick up the phone or text them or call them or schedule an appointment over email, that can jump in and provide you custom guidance that knows you well.”
George Dimov, CPA
“The team was incredibly helpful in helping me prepare for an international move. They prepared a note detailing the tax implications for personal and professional tax items. The team was incredibly responsive and easy to work with.”
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Book a consultation
Book a consultation
Call (212) 641-0673 or send the contact form. Our team gets back to you within 24 hours, and we are available evenings and weekends. Confidential, and handled by a CPA or EA, not a call center.
Reviewed by George Dimov, CPA, New York, NY. Serving clients in all 50 states, 15+ years advising individuals and businesses on cross border tax. President of George Dimov, CPA, a New York City firm serving clients across the five boroughs and nationwide.