US Expats With Foreign Companies: CFC Rules, GILTI, and Tax Traps Explained

Many US expats start companies abroad for good reasons — lower costs, local clients, or global flexibility.

But once a US person owns a foreign company, US tax rules change dramatically.

If structured incorrectly, a foreign company can create unexpected US taxes, even when no money is distributed.

What Is a Controlled Foreign Corporation (CFC)?

A foreign company becomes a Controlled Foreign Corporation (CFC) if:

• US shareholders own more than 50%, and

• Each US shareholder owns 10% or more

This applies even if:

• The company is small

• Profits stay in the business

• You live permanently abroad

Why CFC Status Matters

Once classified as a CFC, the IRS may tax you on:

• Undistributed profits

• Certain passive income

• Artificially calculated income (GILTI)

This is where many expats get blindsided.

GILTI Explained

GILTI (Global Intangible Low-Taxed Income) is a rule that:

• Taxes US owners on a share of foreign company profits

• Applies even if you take no salary or dividends

• Often results in US tax even when foreign tax was paid

GILTI frequently affects:

• Digital agencies

• SaaS founders

• Online businesses

• Freelancers who incorporated abroad

Salary vs Dividends: A Critical Decision

How you pay yourself matters:

• Salary may trigger self-employment or payroll taxes

• Dividends may trigger US income tax

• Improper structuring can cause double taxation

Common CFC Mistakes Expats Make

The most common errors include:

• Forming a foreign company without US planning

• Ignoring GILTI until penalties arrive

• Skipping required disclosures

• Assuming FEIE solves everything

Note: FEIE does not protect CFC income.

Required Forms for Foreign Companies

US expats with foreign companies may need:

• Form 5471

• Form 926

• Form 1120 (in some cases)

• FBAR (if accounts are involved)

• FATCA Form 8938

Planning Before It's Too Late

Foreign companies require intentional structuring from day one.

Exemplary helps expats design compliant company structures, manage GILTI exposure, and avoid IRS surprises — before they become expensive problems.