The 7 best US expat tax services for 2027: how to choose a provider for FBAR, FATCA and Form 8938 filing
For Americans living abroad, filing US taxes involves more than just reporting income. Between navigating FBAR thresholds, understanding Form 8938 requirements, and choosing between the foreign earned income exclusion and the foreign tax credit, the compliance burden extends well beyond what most domestic taxpayers face. The best US expat tax services handle these obligations as part of their core work, not as an occasional add-on.
This guide compares seven leading expat tax providers based on credentials, pricing transparency, service scope, and experience with FBAR, FATCA and late filings. Whether you hold a simple W-2 position or manage foreign corporations and unfiled years, matching your situation to the right level of help keeps penalties at bay and saves time.
What defines quality American expat tax services
Before comparing individual providers, understand the baseline any reputable expat tax service should meet. These six factors separate genuine expertise from firms that merely claim to handle international returns.
Licensed credentials matter more abroad than at home. Every return should be prepared or reviewed by a CPA or IRS Enrolled Agent. These are the only professionals with unlimited rights to represent you before the IRS.
Expat-only experience catches what generalists miss. Cross-border filing is a specialty discipline. A provider that handles foreign earned income exclusions, foreign tax credits, FBARs, and entity reporting daily will spot treaty positions, state domicile issues, and pension complications a domestic preparer overlooks.
Transparent scope prevents surprise bills. You should know exactly which forms are included before you pay. FBAR, Form 8938, state returns, Form 2555, or Form 1116 should all be spelled out.
Secure document handling protects your data. You are uploading passports, foreign bank statements and tax identification numbers. The provider must use an encrypted portal with two-factor authentication.
Response times and contact clarity reduce stress. A defined turnaround with a named reviewer beats vague promises.
Late-filing capability matters if you are behind. If you have unfiled years, the provider should handle streamlined filing compliance procedures, delinquent returns and penalty abatement, not just current-year filings.
Why specialized expat tax preparation matters
The IRS taxes US citizens and green card holders on worldwide income regardless of residence. That single rule creates obligations most domestic preparers rarely handle.
The best expat tax services test whether the foreign earned income exclusion or the foreign tax credit – or a combination of both – produces the lowest total tax. That answer shifts depending on income level, country of residence and whether you have self-employment income.
They also navigate separate reporting for foreign accounts. FinCEN Form 114, the FBAR, is required when your foreign accounts exceed a certain aggregate balance at any point during the year. Form 8938 is required when your specified foreign financial assets surpass separate thresholds that vary by filing status and residence. Both forms are filed separately from your income tax return. Missing either can trigger substantial penalties.
| Issue | Generalist approach | Specialist approach |
| FEIE vs FTC | Defaults to exclusion | Tests both and combinations to minimize total tax |
| FBAR + Form 8938 | May file one or neither | Files both when thresholds are met – separate obligations |
| Foreign pensions | Often ignored | Checks treaty position, timing of distributions, Form 3520 if applicable |
| State residency | Assumes no obligation | Tests domicile, family location, return-intent rules |
A simple return becomes complex quickly. Add a foreign bank account above the threshold, a consulting contract or a spouse with pension income, and the filing now requires forms most domestic preparers handle infrequently.
The 7 best expat tax services for 2027
Below are seven providers, ranked by breadth of service, transparency and expat-focused credentials.
1. Taxes for Expats (TFX)
TFX emphasizes dual-review preparation. Every return is prepared by one professional and reviewed by a supervising CPA or Enrolled Agent. The firm handles current-year filings, streamlined foreign and domestic procedures, FBAR and FATCA filing, PFIC reporting, amended returns, IRS letter review and expatriation taxes.
Best for: Expats with complex situations – foreign corporations, PFICs, IRS letters or renunciation – who want established experience and dual review.
2. Greenback Expat Tax Services
Greenback positions itself as a dedicated expat tax firm staffed by CPAs and Enrolled Agents. Services include federal and state returns, a streamlined filing package for catch-up, FBAR and FATCA reporting, small business returns and UK tax services. The firm publishes country-specific guides.
Best for: Expats who want a streamlined catch-up package and country guides alongside routine filings.
3. Bright!Tax
Bright!Tax focuses exclusively on US expat tax. Its team includes CPAs and Enrolled Agents, several with prior Big Four global mobility experience. Services cover expat tax preparation, the streamlined procedure, consultations, FBAR filing, FATCA reporting and returns for foreign nationals.
Best for: Expats seeking a firm that does only expat tax and nothing else.
4. Expat CPA
Expat CPA is a California-based CPA firm, majority-owned by CPAs, whose sole focus is American expat tax preparation and planning. Services include federal and state returns, Form 5471 for foreign corporations, self-employed returns, FATCA and FBAR reporting, the streamlined procedure and Form 1040-NR.
Best for: Expats who specifically want a CPA-owned professional accountancy corporation.
5. Haigler CPA Group
Haigler is a Charleston CPA firm that includes expatriate filings within its broader personal tax practice. Services include expat returns, multi-state filings, FBAR and FATCA compliance. Engagements can be fully virtual. The firm also handles domestic tax planning and state returns for clients with US ties.
Best for: Americans with South Carolina ties who are moving abroad, living abroad or returning home and want one advisor for US and state returns.
6. MyExpatTaxes
MyExpatTaxes offers software-guided preparation with optional professional review. Pricing is lower than full-service firms, but the model relies on the user completing the questionnaire accurately. Professional review is available for an additional fee.
Best for: Expats with simpler returns – W-2 wages, no foreign entities – who are comfortable with software and optional review.
7. Online Taxman
Online Taxman provides expat tax preparation and offers consultation services. The firm handles routine filings and late returns.
Best for: Expats seeking a smaller firm with consultation options alongside preparation.
How to match your situation to the right provider
Your filing complexity determines which service model fits. Use this framework to narrow your choice.
| Your situation | Recommended model | Why |
| W-2 wages only, no foreign accounts above threshold, no late filings | DIY software or hybrid review | Low complexity – software handles forms, but get review if claiming exclusion for first time |
| Self-employment income, foreign accounts above threshold, claiming FEIE or FTC | Full-service CPA or EA | Need professional judgment on exclusion vs credit and proper FBAR/8938 filing |
| Foreign corporation, PFIC holdings, foreign pension distributions | Full-service specialist with entity experience | Forms 5471, 8621, 3520 require deep knowledge and treaty analysis |
| Unfiled years, missed FBARs, potential penalties | Provider with streamlined procedure experience | Need guidance on voluntary disclosure and penalty mitigation |
If you have only wages and no foreign accounts exceeding the reporting threshold, software with optional review may suffice. Once you add self-employment income, foreign accounts or entity ownership, professional preparation becomes necessary. Unfiled years require a provider experienced in streamlined procedures and late-filing penalty abatement.
Questions to ask before you hire
Before engaging any provider, ask these questions to confirm they match your needs.
Who will prepare and sign my return? Confirm the preparer is a CPA or Enrolled Agent, not an unlicensed assistant.
Which forms are included in the quoted price? Ask whether FBAR, Form 8938, state returns, Form 2555 and Form 1116 are covered or billed separately.
How long does preparation take? A defined turnaround – two weeks with a named reviewer – is better than vague promises.
Do you handle late filings and streamlined procedures? If you are behind, confirm the provider has experience with voluntary disclosure and penalty abatement.
How do you transfer documents securely? Insist on an encrypted portal with two-factor authentication.
What happens if the IRS sends a notice? Ask whether post-filing support is included or billed hourly, and what that support covers.
Clear answers to these questions signal a provider who understands expat tax compliance and values transparency.
Final considerations for choosing your CPAs for expats
Choosing among the best tax services for expats comes down to matching service scope, credentials and pricing to your filing complexity. A provider with deep expat-only experience, licensed reviewers and transparent pricing will catch issues a generalist misses and keep you compliant with FBAR, FATCA and income tax obligations.
Start by listing your income sources, foreign account balances and whether you have unfiled years. Then compare providers using the criteria above. The right fit handles your specific forms, explains the scope before you pay and supports late filings if you need them.
For Americans abroad filing returns in 2027, the best expat tax service is the one that matches your situation, not the one with the flashiest website. Take the time to ask the right questions, and you will find a provider who treats cross-border compliance as routine work, not a special project.