American International Tax Advisors

Asia's Best U.S. Tax Firm

Expert U.S. Tax Services
From Hong Kong.
Serving All of Asia.

Professional U.S. tax filing, international tax planning and cross-border compliance for American expats and businesses throughout Asia, Australia and the U.S. Headquartered in Hong Kong. Listed by the U.S. Embassy Bangkok.

Hong Kong Headquarters
9+ Regional Offices
U.S. Embassy Bangkok Listed
American International Tax Advisers lead advisor
Headquarters in Hong Kong Serving All of Asia Since
0+
Years in Asia
0+
Expat Clients Served
0+
International Offices
U.S. Embassy Listed
Bangkok, Thailand

What We Do

Complete U.S. Tax Solutions for Life in Asia

Whether you are an individual expat or running a cross-border business, we handle the full picture from one base in Asia.

For Individuals
Expat Tax Filing and Planning
Comprehensive U.S. tax services for Americans living and working across Asia. We handle the complexity so you can focus on living your life.
  • Federal and state income tax returns
  • FBAR and FATCA compliance (FinCEN 114, Form 8938)
  • Foreign Earned Income Exclusion (FEIE) optimization
  • Foreign Tax Credit strategy
  • Delinquent filing catch-up (SDOP, SFCP programs)
  • Pre-move and departure tax planning
Get started
For Businesses
Cross-Border Tax Engineering
Entity structuring, treaty mapping and ongoing compliance for businesses operating across the U.S. and Asian jurisdictions.
  • U.S.–Asia corporate structure design
  • Transfer pricing documentation
  • W-8BEN and W-8BEN-E filing management
  • Subpart F and GILTI exposure analysis
  • 1042-S withholding compliance
  • Multi-jurisdiction tax treaty optimization
Discuss your structure

Stay Ahead

Critical Tax Deadlines Ahead

Don't miss filing deadlines that trigger penalties. We track every date so you don't have to.

April 15
Annual U.S. Tax Return Due

Expat filing deadline (with FEIE extension available to June 15).

June 15
Q2 Estimated Tax Due

Quarterly estimated tax payment deadline for self-employed and business owners.

Sept 15
Q3 Estimated Tax Due

Third quarterly installment for self-employed expats managing U.S. income.

April 15
FBAR Filing Deadline

FinCEN Form 114 due for foreign accounts over USD 10,000. Automatic extension to October 15.

AI Tax Advisers team
U.S. Embassy Listed Official Tax Consultant, Bangkok Thailand

Why AI Tax Advisers

Asia's Best U.S. Tax Firm. Not a Claim. A Record.

Most firms are either strong on U.S. federal law or present in Asia. Very few are genuinely both. AI Tax Advisers has spent over 15 years building the rarest combination in this industry.

01
The Only Embassy-Listed Asia Firm
AI Tax Advisers appears on the U.S. Embassy Bangkok's official list of recommended tax consultants. This is an independent government endorsement that no competitor in the region holds.
02
On-the-Ground Across Asia and Beyond
Twelve-plus offices: Bangkok, Chiang Mai, Manila, Phnom Penh, Ho Chi Minh City, Kuala Lumpur, Jakarta, Taipei, Sydney, UAE, Saudi Arabia and Florida. Real advisors in your timezone.
03
U.S. Federal Precision at the Core
CPA-oversight on every engagement. We do not approximate. Every position is defensible, every filing is built to withstand IRS scrutiny, every strategy is grounded in federal law.

Our Expertise

Who We Help

Whether you are self-employed, working for a US company, running an international business, or building your retirement abroad, we have the expertise for your situation.

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Employees & Contractors
W-2 employees working remotely, 1099 contractors, and remote freelancers earning U.S. income while based abroad. We optimize your Foreign Earned Income Exclusion, manage quarterly estimated tax payments, and ensure compliance with IRS filing deadlines for maximum tax efficiency and peace of mind.
Business Owners
Entrepreneurs with U.S.-Asia business structures, LLC owners, S-corps, and partnership entities operating across multiple jurisdictions. We design optimal entity structures, manage treaty compliance, handle transfer pricing documentation, and ensure consistent tax efficiency across your entire operation.
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👨‍💼
Expat Professionals
Long-term residents in Asia managing complex tax residency determinations, treaty positions, and multi-country obligations. We navigate intricate tax scenarios across all jurisdictions to ensure complete compliance while strategically minimizing your global tax burden and protecting your assets.
FBAR & FATCA Cases
Individuals with foreign accounts, unreported filings, and complex voluntary disclosure needs requiring expert IRS resolution. We provide strategic guidance on FBAR and FATCA reporting requirements, represent you with tax authorities, and resolve compliance issues efficiently and confidentially.
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🎓
Retirees & Investors
Managing Social Security, pensions, investment income, and retirement account distributions while living abroad. We coordinate your complete retirement picture across countries, optimize your tax-efficient withdrawal strategy, and ensure full IRS compliance with all treaty benefits applied.
Digital Nomads
Location-independent professionals navigating constantly changing tax residency determinations and evolving filing obligations across multiple countries. We track your status shifts, manage filing deadlines in every relevant jurisdiction, and ensure you meet every U.S. tax requirement no matter where you are working.
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How It Works

Simple Start. Expert Execution.

Getting your U.S. taxes right in Asia does not have to be complicated on your end.

1
Book a Free Consultation
A 30-minute call with an AI Tax Advisers advisor. We review your situation, identify risks and opportunities, and give you a clear picture of what needs to happen.
2
We Build Your Tax Strategy
Your advisor maps your full picture: treaty positions, exclusion elections, FBAR obligations, entity structure. A complete plan with no surprises.
3
Filed. Compliant. Done.
We handle the filings and you get confirmation when everything is submitted and accepted. Peace of mind, not paperwork anxiety.

Stay Compliant

2026 Filing Deadlines

Mark your calendar. Missing U.S. tax deadlines carries serious penalties. We track deadlines for you so you never miss a filing requirement.

April 15, 2026
U.S. Tax Returns Due
Form 1040, state returns, and all supporting schedules. Extensions available until October 15.
April 15, 2026
FBAR & FATCA Reports
FinCEN Form 114 (FBAR) and Form 8938 (FATCA) due for all U.S. persons with foreign accounts over thresholds. Automatic extension to October 15.
April 15, 2026
Q1 Estimated Taxes
If self-employed or receiving passive income, Q1 estimated payments may be due.
June 15, 2026
Automatic Extension (2025 Returns)
File Form 4868 to extend your return to October 15, 2026.
December 31, 2026
GILTI & Subpart F Elections
U.S. persons with foreign corporations must make critical tax elections by year-end.
Throughout 2026
Ongoing Compliance
Foreign earned income elections, treaty position statements, and quarterly payments due on varying schedules.
AI Tax Advisers clients
"

Delivered on everything that they said they would. Recovered tax overpayment. Many thanks again.

David Clarke
American International Tax Advisers client

Stay Informed

Latest Tax Updates for Asia Expats

Regulatory changes, IRS announcements, and tax law updates that affect U.S. expats in Asia. We track changes so you stay compliant.

2026 Update
FEIE Limit Increase for 2026
The Foreign Earned Income Exclusion (FEIE) limit increases to USD 120,000+ for 2026. Review your FEIE election status now to maximise tax-free income.
IRS Alert
FBAR Penalties Remain Strict
The IRS continues to enforce FBAR penalties. If you have unreported foreign accounts, consider the Voluntary Disclosure Practice (VDP) or Streamlined Filing Compliance Procedures.
Thailand Tax
Thailand Foreign Income Rules 2026
Thailand permits tax exemption on foreign-sourced income if earned and remitted abroad. Critical treaty coordination required. U.S. expats in Thailand benefit from dual planning strategies.
Filing News
IRS E-File Extensions
The IRS has extended e-file acceptance periods. We are an Authorised IRS e-File Provider with 99.8% accuracy rate.
Compliance
GILTI & Subpart F 2026
U.S. owners of foreign corporations face GILTI (Global Intangible Low-Taxed Income) and Subpart F income inclusions. Strategic planning required for multi-entity structures.
Planning
Treaty Optimisation Strategies
The U.S.–Thailand tax treaty provides significant relief. Our advisors specialise in treaty position statements and optimal filing strategies for Asia expats.

Ready to Get Your
U.S. Taxes Right?

One conversation changes everything. Free, confidential, no obligation. Talk to an AI Tax Advisers advisor who understands exactly where you are and what you need.

Response within one business day. All consultations strictly confidential.

Hong Kong Bangkok Chiang Mai Manila Phnom Penh Ho Chi Minh City Kuala Lumpur Jakarta Taipei Sydney UAE Saudi Arabia Florida