US Tax Filing Requirements for Foreign-Owned LLCs
Summary
A foreign-owned US LLC files Form 5472 with a pro forma 1120 by April 15, plus its state annual report. BOI reporting no longer applies. US income tax is usually zero.
A non-US person who owns a US single-member LLC has a short and specific list of federal obligations, and it is shorter than most founders fear. The annual federal filing is Form 5472 attached to a pro forma Form 1120, due April 15. Beneficial ownership reporting no longer applies to US-formed entities. Federal income tax is usually zero, because most foreign owners have no US-source income of the kind that creates it.
The confusion is understandable. Formation agents sell compliance packages that bundle state filings with federal ones, the word "tax" gets attached to things that are not taxes, and the one filing that genuinely matters is the one least often mentioned. This page separates them.
Everything a foreign-owned US LLC actually has to file
There are four things to track, and only one of them is an annual federal filing with a large penalty attached.
The table below sets out each obligation, who it is owed to, and whether it applies to a typical foreign-owned single-member LLC.
| Obligation | Owed to | Applies to a typical foreign-owned LLC? |
|---|---|---|
| Form 5472 with pro forma Form 1120 | IRS | Yes, almost always, annually |
| State annual report or franchise tax | The formation state | Yes, varies by state |
| Beneficial ownership information report | FinCEN | No, US-formed entities are exempt |
| Federal income tax return | IRS | Only where there is US-source effectively connected income |
The single conclusion to draw from that table is that the IRS information return is the obligation carrying real penalty exposure, and it is the one formation packages most often leave out. State filings are cheap and the state chases them. The federal one is $25,000 per year and nobody chases it until it is expensive.
The federal filing that matters: Form 5472
A US LLC with a single foreign owner must file Form 5472 for any year in which it had a reportable transaction with a related party. Forming the company and funding it are themselves reportable transactions, so a first year is almost never exempt.
The penalty for failing to file is $25,000 per form, per year, under IRC §6038A(d)(1), and it applies whether or not the LLC earned anything. Under IRC §6038A(d)(2), a further $25,000 applies for each 30-day period once 90 days have passed since the IRS notified you.
Form 5472 is an information return. It reports money moving between the owner and the LLC. It calculates no tax and creates no liability. The full treatment of who files and what counts is at the complete guide to Form 5472.
The form is never filed alone. It goes as an attachment to a pro forma Form 1120 with "Foreign-owned U.S. DE" written across the top, and that 1120 is nearly empty: the only information required on it is the name and address of the entity plus items B and E on page 1. The detail is at what the pro forma Form 1120 requires.
Neither form can be filed electronically. The packet goes by mail to the IRS PIN Unit in Ogden, Utah, or by fax.
You need an EIN, and you can get one without an SSN
The LLC needs its own Employer Identification Number before it can file anything. The EIN belongs to the entity, not to you.
A foreign owner with no Social Security number and no ITIN can still obtain one. This surprises people, and it is the step where founders most often stall, sometimes for years, under the impression that a US identification number is a prerequisite. It is not. The process is set out at how to get an EIN for a foreign-owned LLC with no SSN.
Do not let a missing EIN delay a filing indefinitely. An unfiled year accrues penalty exposure while you wait, and the statute of limitations on that year has not started.
Beneficial ownership reporting no longer applies
US-formed entities are exempt from beneficial ownership information reporting. FinCEN's interim final rule of 26 March 2025 redefined a reporting company to cover only foreign entities registered to do business in a US jurisdiction, which removed every domestically formed LLC from the requirement.
This matters for two groups. If you never filed a report, you do not owe one. If you did file one in 2024 or early 2025, you are not required to go back and update it.
A Wyoming, Delaware or New Mexico LLC is a domestic entity for this purpose regardless of where its owner lives. Foreign ownership does not make the company foreign. That distinction is the one most often misread, and it is why founders still receive marketing emails warning them about a deadline that no longer applies to them. Some formation agents sold this as a recurring service, and what changed for Firstbase customers covers how that played out in practice.
The exemption changed nothing about Form 5472. The two are administered by different agencies under different statutes, and the end of one obligation did not touch the other.
State filings are separate, and they vary
Every US state charges its own annual maintenance, and this is the part your formation agent probably does handle. It is owed to the state, not to the IRS, and missing it does not create federal penalty exposure. It creates administrative dissolution, which is a different and usually cheaper problem.
What is owed depends entirely on the state of formation. Wyoming and Delaware, the two most common choices for foreign founders, are not alike: Delaware charges an annual franchise tax on LLCs, Wyoming charges an annual report fee based on assets located in the state, and New Mexico requires no annual report at all. Do not assume the pattern from one state applies to another.
Keep the registered agent paid and current whatever the state. The agent is the address the state and the IRS use, and a lapsed agent is how notices go missing. The year-by-year view of what falls due and when is at the US LLC annual compliance calendar.
If your LLC is foreign-owned with a single related party and standard transactions, filetax.co generates your completed Form 5472 and pro forma 1120 packet in under 15 minutes for $99.
When US income tax actually applies
Most foreign owners of US LLCs owe no US federal income tax, and it is worth being precise about why, because the reason is not the one usually given.
It is not because the LLC is disregarded, and it is not because of a treaty. It is because US tax on a non-resident generally attaches to income that is effectively connected with a US trade or business, or to certain US-source income. A freelancer in Lagos or Karachi performing services from home for clients worldwide, billing through a US LLC, generally has neither. The LLC is a billing and banking structure, and the income is foreign-source because the work happens abroad.
Where a US federal income tax return does become necessary, it is Form 1040-NR, filed by the owner rather than by the LLC, and that is a different filing from the pro forma 1120 described above. Situations that commonly change the answer include having US employees, holding inventory or a warehouse in the United States, or owning US real property.
The point to hold on to: the Form 5472 obligation exists whether or not any tax is owed. Owing nothing is the normal case, and it does not excuse the filing. Founders who conclude "I owe no US tax, so I have nothing to file" have drawn the wrong inference from a correct premise, and it is the single most expensive mistake in this area.
The treaty question, answered directly
A tax treaty between your country and the United States does not exempt your LLC from filing Form 5472. Treaties allocate taxing rights over income. Form 5472 is an information return and reports transactions rather than income, so there is nothing for a treaty to relieve.
Some countries have no comprehensive US income tax treaty at all, which occasionally surprises founders who assumed otherwise. Either way the filing obligation is unchanged, and a treaty position is not a defence to a failure to file.
What the FBAR does and does not require
The FBAR reports foreign financial accounts held by US persons. A non-resident, non-citizen owner of a US LLC is generally not a US person, so the FBAR generally does not apply.
It runs on a different statute, a different agency and a different deadline from Form 5472, and the two are unrelated. The comparison is drawn out at Form 5472 compared with the FBAR.
Where to start
Begin by listing every year since the LLC was formed and marking the ones where money moved between you and the company in either direction. Those are your Form 5472 years, and the formation year is almost always one of them. Then confirm the EIN exists, confirm the state filing is current, and stop worrying about beneficial ownership reporting.
For a single current year with one related party and ordinary transactions, filetax.co produces the completed Form 5472 and pro forma 1120 packet in under 15 minutes for $99. If you are carrying several unfiled years, have real US-source income, or have more than four related parties, an automated tool is not the right solution and a qualified CPA review is the appropriate next step.
Questions foreign LLC owners ask
What does a foreign-owned US LLC have to file every year?
Form 5472 attached to a pro forma Form 1120, filed with the IRS by April 15, plus whatever annual report or franchise tax the formation state requires. Beneficial ownership reporting no longer applies to US-formed entities.
Do I owe US tax on my LLC's profits?
Usually not. A non-resident owner is generally taxed only on income effectively connected with a US trade or business or on certain US-source income. A freelancer working from outside the United States and billing through a US LLC typically has neither, so the tax is zero and the filing obligation still stands.
Do I still need to file a BOI report?
No, not for a US-formed LLC. FinCEN's interim final rule of 26 March 2025 exempted all entities formed in the United States, and that includes a Wyoming or Delaware LLC owned entirely by a foreign person.
Does my LLC need its own EIN?
Yes. The EIN belongs to the entity and is required before the filing can be made. A foreign owner with no Social Security number and no ITIN can still obtain one.
Is a single-member LLC really required to file a corporate form?
Yes. Treas. Reg. §301.7701-2(c)(2)(vi) treats a foreign-owned domestic disregarded entity as a corporation for the reporting obligations of IRC §6038A. The LLC stays disregarded for income tax purposes.
What happens if I never filed anything?
Each year with a reportable transaction and no Form 5472 carries a $25,000 penalty under IRC §6038A(d)(1), and under IRC §6501(c)(8) the statute of limitations on those years has not begun to run. The years stay open until the information is filed.
Does a tax treaty exempt me from filing?
No. Treaties allocate taxing rights over income, and Form 5472 reports transactions rather than income. The filing obligation is the same whether or not a treaty exists.
Do I file an FBAR?
Generally no. The FBAR applies to US persons, and a non-resident, non-citizen owner of a US LLC is generally not one.
My LLC had no activity at all. Do I file?
Only if no money moved in either direction during the year. A year with no contributions, no distributions and no expenses paid on the entity's behalf has no reportable transaction. That is rarer than founders expect, because funding the company counts.
Is the state annual report the same as the federal filing?
No. The state filing keeps the LLC in good standing with the state that formed it. The federal Form 5472 is a separate IRS obligation, and a formation package covering the state filing frequently does not cover the federal one.
Can I file Form 5472 online?
No. A foreign-owned US disregarded entity cannot e-file the pro forma Form 1120, so the packet is mailed or faxed.
My formation agent never mentioned Form 5472. Am I still liable?
Yes. The obligation sits with the entity and its owner regardless of what the formation agent said or sold. Not having been told is relevant to a reasonable cause argument under IRC §6664(c), but it does not remove the requirement.
Related pages
Continue reading
Form 5472: The Complete Guide for Foreign-Owned US LLCs →
A foreign-owned US single-member LLC files Form 5472 with a pro forma Form 1120 by April 15. Funding the LLC is itself reportable. Missing it costs $25,000 per form, per year.
US LLC Annual Compliance Calendar - 2026 Federal Deadlines for Foreign Founders →
Foreign-owned US LLC compliance has a small set of recurring deadlines. This calendar covers federal information returns, state filings, and key dates for 2026.
How to Get an EIN for a Foreign-Owned LLC Without an SSN →
A foreign owner with no SSN or ITIN cannot use the IRS online EIN tool. Fax Form SS-4 instead, with Foreign written on line 7b, and allow around two working weeks for the EIN to come back.