I only own a small slice of a foreign company — am I off the hook?

Not necessarily. The CFC test looks at U.S. ownership combined, and attribution rules can count stock held by related parties, so a small direct stake can still create a filing obligation. Confirm the specifics for your case.

My foreign company made no profit and paid me nothing — do I still file?

Often yes. Form 5471 is an information return, so it can be required based on ownership or your role regardless of profit or distributions. Whether GILTI or Subpart F adds any U.S. tax is a separate question.

What happens if I missed it in prior years?

If you are not under IRS civil examination or criminal investigation and the IRS has not already contacted you about the missing forms, the IRS Delinquent International Information Return Submission Procedures (page reviewed April 19, 2026) say to file the late Forms 5471 attached to an amended income tax return, optionally with a reasonable-cause statement for each. They are not a penalty waiver: the IRS says penalties may be assessed under existing procedures, sometimes before the statement is considered, so expect to answer correspondence. Where income also went unreported, the IRS lists the Streamlined procedures and its Voluntary Disclosure Practice as the other offshore compliance options. Atamatax provides preparation support; this is not legal advice.

When is Form 8858 required instead of, or as well as, Form 5471?

Form 8858 covers foreign DISREGARDED entities and foreign branches, which is a different animal from the foreign corporation Form 5471 addresses. It reaches situations people do not think of as entities at all — a single-member foreign company treated as disregarded, or a foreign branch of a US person's own trade or business — and it can be required in addition to Form 5471 where a controlled foreign corporation itself owns one. Like Form 5471 it is an information return: the penalty attaches to not filing it, independently of whether any tax is due. Atamatax flags the Form 8858 fact pattern; it is routed to a professional for preparation.

When is Form 8865 required for a foreign partnership?

Form 8865 is the partnership counterpart to Form 5471, and its filing categories work similarly: controlling interests, certain acquisitions and dispositions of an interest, and contributions of property to a foreign partnership can each trigger it, in some cases independently of one another. Two situations catch people out — being a partner in a foreign professional partnership, and contributing appreciated property to a foreign venture — because neither feels like owning a company. It is an information return with its own penalty regime; Atamatax flags the fact pattern and routes it to a professional for preparation.

Topic · US expat tax

Form 5471: US Owners of Foreign Corporations

When U.S. owners and officers of a non-U.S. company may have to file Form 5471, how GILTI and Subpart F fit in at a high level, and why the penalties are steep.

By Danilson Ramos · Founder, Atamatax

Published June 2026 · Updated October 2026

Reviewed and approved by our EA/CPA team on November 10, 2026.

Direct answer

When do I have to file Form 5471?

A US citizen or resident generally files Form 5471 when they are an officer, director or shareholder of a foreign corporation in one of the form's filer categories — most commonly owning 10% or more of it, or controlling it — and the form is required even when the company owes no US tax and pays nothing out.

A late or incomplete Form 5471 carries a penalty of $10,000 per form, per tax year, and the limitations period for the whole return stays open until it is filed (IRC §6501(c)(8)).

Applies when: US persons with a stake in, or an officer or director role at, a non-US corporation — a GmbH, AG, Ltd, SARL or SA, for example.
Underlying rule: IRC §6038 and §6046. The filer category decides which schedules are filed.
Important exception: A local entity that is not a corporation for US purposes — a single-member company treated as disregarded, or a partnership — is reported on Form 8858 or Form 8865 instead.
Common ownership triggers: 10% or more of vote or value; more than 50% for control
What remains uncertain: Which category applies, whether the company is a controlled foreign corporation, and whether Subpart F or GILTI income arises depend on attribution and the company's own accounts — a professional's judgment, not a screen's.

Primary source: Form 5471 — Information Return of U.S. Persons With Respect to Certain Foreign Corporations

What changes the answer

Shares held by a spouse, a parent or another company you own are attributed to you: they can put you in a category your own shares do not reach.
US shareholders together own more than 50%: the company is a controlled foreign corporation and its income may reach your return before any distribution.
The entity is disregarded or a partnership for US purposes: a different form applies.

Next step: Check which company forms may apply

Form 5471 is an information return for certain U.S. persons who are officers, directors, or shareholders in a foreign corporation. It often surprises Americans abroad who set up a local company — for example a GmbH, AG, Ltd, or SARL — because the form can be required even when the company owes no U.S. tax and pays out nothing.

Who generally has to file

Filing obligations commonly arise for U.S. shareholders of a controlled foreign corporation (CFC) — broadly, a foreign corporation more than 50% owned (by vote or value) by U.S. shareholders — and for U.S. persons who acquire, dispose of, or hold significant stakes in a foreign corporation. Officers and directors can also be drawn in based on the ownership of others.

You do not need to own 100% — or even control the company yourself — to be caught. The rules look at ownership across all U.S. shareholders combined, and attribution rules can pull in stakes held by related parties.

Categories of filer (high level)

The form splits filers into several categories (numbered, with sub-categories) based on the nature and size of the U.S. person's interest. Which category applies drives which schedules you must complete, so identifying it correctly matters. The broad picture, simplified:

Category (broad)	Roughly who it covers	Tends to mean
Category 1	U.S. shareholders of certain specified foreign corporations	Reporting tied to specified-foreign-corporation status
Category 2	U.S. officers/directors when a U.S. person acquires a qualifying stake	Officer/director reporting triggered by another's purchase
Category 3	U.S. persons who acquire, dispose of, or cross ownership thresholds	Transaction-driven reporting in the year of the change
Category 4	U.S. persons who had control of the foreign corporation	Fuller reporting, more schedules
Category 5	U.S. shareholders of a controlled foreign corporation (CFC)	CFC reporting; ties into Subpart F / GILTI

Categories can overlap, and the exact thresholds and sub-categories are detailed and updated periodically. Treat the table as orientation, not a determination — the current-year instructions govern which category and schedules apply.

GILTI and Subpart F, briefly

Beyond information reporting, owning a CFC can pull certain foreign earnings onto your U.S. return before they are distributed. Subpart F can currently tax some categories of passive or mobile income, and GILTI (global intangible low-taxed income) can currently tax a measure of the CFC's earnings. Both are complex and fact-specific; some reliefs and elections may reduce the impact, but they generally don't remove the filing itself.

A practical sequence

Map the ownership — direct, indirect, and constructive (attribution) stakes across all U.S. shareholders.
Determine whether it's a CFC and identify your filer category.
Gather the financials the relevant schedules require (often functional-currency books, plus USD translation).
Assess Subpart F / GILTI inclusions and any elections, then file Form 5471 with the return.

Why people take this seriously

A late or incomplete Form 5471 can carry a penalty that often starts at $10,000 per form, per tax year under IRC §6038(b), with additional amounts possible if it isn't corrected after IRS notice — and it can affect the statute of limitations on the whole return. Reasonable-cause relief may be available in some cases, but the safest path is generally filing correctly and on time.

Own a stake in a non-U.S. company?

The free Tax Risk Check helps you think through whether a Form 5471 filing is likely in play and what to gather. Atamatax provides preparation support; this is not individualized tax or legal advice.

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Authorities cited

IRC §6038 — IRC §6038 — information reporting with respect to certain foreign corporations and partnerships
Form 5471 — Form 5471 — Information Return of U.S. Persons With Respect to Certain Foreign Corporations
IRC §6501(c)(8) — IRC §6501(c)(8) — Limitations period stays open until certain information returns (incl. Form 8621) are filed
IRS Delinquent International Information Return Procedures — Delinquent International Information Return Submission Procedures — late information returns attached to an amended return, with an optional reasonable-cause statement; penalties may still be assessed (page reviewed 19 Apr 2026)

Primary sources (Cornell Legal Information Institute for the US Code and CFR; IRS.gov for forms, procedures, and treaty documents). This page is general information, not individualized tax or legal advice.

Atamatax provides tax preparation support and educational resources. This website does not constitute legal or tax advice.

Frequently asked questions

I only own a small slice of a foreign company — am I off the hook?#: Not necessarily. The CFC test looks at U.S. ownership combined, and attribution rules can count stock held by related parties, so a small direct stake can still create a filing obligation. Confirm the specifics for your case.
My foreign company made no profit and paid me nothing — do I still file?#: Often yes. Form 5471 is an information return, so it can be required based on ownership or your role regardless of profit or distributions. Whether GILTI or Subpart F adds any U.S. tax is a separate question.
What happens if I missed it in prior years?#: If you are not under IRS civil examination or criminal investigation and the IRS has not already contacted you about the missing forms, the IRS Delinquent International Information Return Submission Procedures (page reviewed April 19, 2026) say to file the late Forms 5471 attached to an amended income tax return, optionally with a reasonable-cause statement for each. They are not a penalty waiver: the IRS says penalties may be assessed under existing procedures, sometimes before the statement is considered, so expect to answer correspondence. Where income also went unreported, the IRS lists the Streamlined procedures and its Voluntary Disclosure Practice as the other offshore compliance options. Atamatax provides preparation support; this is not legal advice.
When is Form 8858 required instead of, or as well as, Form 5471?#: Form 8858 covers foreign DISREGARDED entities and foreign branches, which is a different animal from the foreign corporation Form 5471 addresses. It reaches situations people do not think of as entities at all — a single-member foreign company treated as disregarded, or a foreign branch of a US person's own trade or business — and it can be required in addition to Form 5471 where a controlled foreign corporation itself owns one. Like Form 5471 it is an information return: the penalty attaches to not filing it, independently of whether any tax is due. Atamatax flags the Form 8858 fact pattern; it is routed to a professional for preparation.
When is Form 8865 required for a foreign partnership?#: Form 8865 is the partnership counterpart to Form 5471, and its filing categories work similarly: controlling interests, certain acquisitions and dispositions of an interest, and contributions of property to a foreign partnership can each trigger it, in some cases independently of one another. Two situations catch people out — being a partner in a foreign professional partnership, and contributing appreciated property to a foreign venture — because neither feels like owning a company. It is an information return with its own penalty regime; Atamatax flags the fact pattern and routes it to a professional for preparation.

Related guides

Preparation · price before you start

If you want the company reporting prepared

Which route fits depends on a few facts, not on the balances. These are the common situations and the route the same rules give each one. Nothing is charged until you generate a package or accept a written quote.

Your returns are up to date and the company is the new piece
Confirm the scope before choosing a package · Free to ask
A foreign company interest brings Form 5471, and the filer category, whether the company is a controlled foreign corporation and any Subpart F or GILTI income need a specialist's judgment. Atamatax scopes the case and routes it to a qualified professional; the personal return and its package are their starting point.
What arrives, who prepares and checks it, and who files
Free to ask. A person reads the facts and says whether Atamatax can take the case, and which route it would be.
A person at Atamatax reads the facts before any route is offered.
See whether Atamatax can take the case
Returns, FBARs or Forms 5471 are missing for earlier years
Streamlined Complex · From $2,990 · Done-with-you case preparation, scoped first
Several unfiled years plus a foreign company, a trust or a large fund portfolio is the hand-scoped tier: the scope is set before any price is quoted, and a company or trust return is prepared by a specialist alongside the personal returns.
What arrives, who prepares and checks it, and who files
A Streamlined Foreign Offshore preparation package: up to three delinquent returns and six FBAR years as worksheets mapped to each year's official forms (official pre-filled PDFs only for tax year 2025), a document completeness check, the Form 14653 organiser, and filing instructions — one scoped quote, one payment.
A CPA or Enrolled Agent from the Atamatax team, assigned according to your case (its forms, countries and complexity), prepares the three returns, the six FBAR years and the Form 14653 organiser from your documents, against the written scope, with the engine computing the figures, and signs as paid preparer. They are named on your case once they accept. If no professional has been assigned 7 days after payment, you choose between waiting and a full refund. You write your own statement of facts.
The CPA or Enrolled Agent assigned to your case reviews and answers for the work they sign; a person at Atamatax checks the file is complete before it reaches you.
You mail the returns to the IRS as the Streamlined instructions direct, and file the FBARs on FinCEN's BSA E-Filing System. Atamatax transmits nothing to the IRS or FinCEN.
Get a scoped quote
You are not sure what the company is for US purposes, or which years are open
Confirm the scope before choosing a package · Free to ask
A foreign company brings Form 5471, which is prepared by a person, not by the self-serve packages. Confirm the scope first.
See whether Atamatax can take the case

When a professional's judgment is needed. Which Form 5471 category applies, whether the company is a controlled foreign corporation, and whether Subpart F or GILTI income arises depend on ownership, attribution and the company's own accounts. That is a qualified professional's work, under their own engagement letter; Atamatax scopes the case and prepares the personal side.

In every route the signatures and the filing stay with you or the accountant you choose; nothing is filed on your behalf. Written questions to hello@atamatax.com reach a person — we aim to reply within one business day. Who does what in each route.

Your next step · free

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Ownership share, entity type and what it earns in; whether Form 5471, Form 8858 or a GILTI computation is in play, and what would settle it. Free, no account.

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