US Expat & Cross-Border Tax, Done Right — for Americans Abroad, Worldwide

US expat & cross-border tax specialists for Americans abroad — worldwide
Licensed IRS Enrolled Agent on every return
Flat-fee pricing from $499 — no hourly surprises

Book Free ConsultationFree • No commitment • 15-min call5.0/5 from 6 verified client reviews

How It Works

IRS Enrolled Agent • Flat-fee pricing

Why Choose Zenith?

Expert Guidance

A licensed IRS Enrolled Agent with deep international tax expertise

Personalized Service

Solutions tailored to your unique tax situation

Peace of Mind

Accurate filings, maximized deductions, zero stress

See Pricing — From $499 Or try our tax calculators

256-bit SSL

Encryption

Licensed IRS EA

On Every Return

Americans Abroad

190+ Countries

Flat-Fee

No Surprises

Secure & Encrypted

Bank-level security

IRS Enrolled Agent

Licensed Professional

Flat-Fee Pricing

From $499, no surprises

Expat & Cross-Border

Worldwide, US-Canada included

Expert US Tax Services for Americans Abroad — in 190+ Countries

Comprehensive tax solutions tailored to your situation — whether you're a US expat, green card holder, dual citizen, US-Canada cross-border filer, business owner, or individual.

For US citizens living in Canada, our US–Canada cross-border tax service coordinates US and Canadian tax return preparation.

US Expat & Cross-Border

For Americans abroad worldwide — expats, green card holders, dual citizens, and US-Canada cross-border filers.

FBAR & FATCA compliance
FEIE & foreign tax credit
Streamlined catch-up filing

Explore US Expat & Cross-Border Services

Individual Tax

Personalized tax preparation and planning for individuals in the US and Canada.

Tax return preparation
Tax planning strategies
Deduction optimization

Explore Individual Tax Services

Corporate Tax

Strategic tax solutions for businesses of all sizes operating in the US and Canada.

Corporate tax filing
Business tax planning
Cross-border considerations

Explore Corporate Tax Services

Accounting

Comprehensive accounting and bookkeeping services to keep your finances organized.

Bookkeeping services
Financial statements
Payroll processing

Explore Accounting Services

View All Services

How We Work With You

Our streamlined process makes tax preparation and accounting services simple, secure, and stress-free.

Initial Consultation

We start by understanding your unique financial situation and goals through a personalized consultation.

Book Consultation

Document Submission

Securely share your financial documents through our encrypted client portal for review.

Client Portal

Expert Processing

Our team of tax professionals prepares your documents with precision and attention to detail.

Meet Our Team

Need help getting started?

Our team is ready to answer your questions and guide you through the process.

Rated 5.0/5 by verified clients

Every review below was submitted by a client after their return was filed and is published as written, with their permission.

“After a horrible experience with a previous accountant who completely botched our multi-member real estate LLC, Harsh and his team stepped in to handle a highly complex cross-border cleanup. He is currently running a multi-year forensic audit of our returns to protect our US real estate assets and my wife's pending US immigration app while we live in Mexico City. His deep knowledge of expat exclusions and technical corporate tax structures has given us total peace of mind, and his communication is incredibly sharp and direct.”

Jonathan S.

Mexico CityVerified client · Tax year 2025

Service quality: 5/5
Communication: 5/5
Value for money: 5/5

Winifred B.

Calgary, AB.Verified client · Tax year 2025

Service quality: 5/5
Communication: 5/5
Value for money: 5/5

Mario W.

Verified client · Tax year 2025

Service quality: 5/5
Communication: 5/5
Value for money: 5/5

Phillip G.

Verified client · Tax year 2025

Service quality: 5/5
Communication: 5/5
Value for money: 5/5

Sanket A.

Verified client · Tax year 2025

Service quality: 5/5
Communication: 5/5
Value for money: 5/5

Rajat A.

Verified client · Tax year 2025

“After a horrible experience with a previous accountant who completely botched our multi-member real estate LLC, Harsh and his team stepped in to handle a highly complex cross-border cleanup. He is currently running a multi-year forensic audit of our returns to protect our US real estate assets and my wife's pending US immigration app while we live in Mexico City. His deep knowledge of expat exclusions and technical corporate tax structures has given us total peace of mind, and his communication is incredibly sharp and direct.”

Jonathan S.

Mexico CityVerified client · Tax year 2025

Read all reviews

Frequently Asked Questions

Find answers to common questions about our tax and accounting services.

What tax filing deadlines should I be aware of as a US expat or cross-border taxpayer?

For US taxpayers, the standard filing deadline is April 15th, with an automatic extension to June 15th for US citizens and residents living abroad. You can file for an additional extension to October 15th if needed. Any taxes owed are still due by April 15th to avoid interest charges. We help our clients worldwide stay on top of these deadlines and file necessary extension requests when needed.

How does your client portal work?

Our secure client portal allows you to safely upload tax documents, review your returns, and track the status of your filings. You'll receive unique login credentials, and all data is encrypted using bank-level security protocols. You can access the portal 24/7 from any device, making it convenient to manage your tax information even outside business hours.

What expat tax services do you offer?

We offer comprehensive expat tax services including Foreign Bank Account Reporting (FBAR), Foreign Account Tax Compliance Act (FATCA) filings, foreign tax credit optimization, foreign earned income exclusion, treaty benefits analysis, and guidance on tax residency determination. Our expertise in both US and Canadian tax systems makes us particularly valuable for those with cross-border tax obligations.

How do your pricing plans work?

Our pricing is transparent and based on the complexity of your tax situation. Simple US returns start at $499, expat returns with FBAR/FEIE/FTC at $799, and complex cross-border or multi-country filings at $1,099+. We provide a clear quote before beginning any work, so there are never any surprises. For ongoing accounting services, we offer monthly packages tailored to your business needs. Contact us for a personalized quote.

What documents should I prepare for my tax appointment?

For individual tax preparation, you should gather W-2s, 1099s, or T4 slips, investment income statements, mortgage interest statements, property tax receipts, charitable donation receipts, and details of any significant life changes (marriage, new home, children). For business clients, you'll need income and expense records, asset purchases, payroll information, and any relevant business changes. We provide a detailed checklist after your initial consultation.

View All FAQs