US Tax
What is Form 5472 and Why Foreign-Owned US LLCs Must File It
2026-05-20 · 5 min · Felistas Njihia, CPA
The Filing Most Foreign-Owned US LLCs Are Missing
Every year, thousands of non-US founders and entrepreneurs set up US LLCs to access the American market. They register the entity, open a bank account, and start doing business. What many of them do not know is that from the moment that LLC exists, they have a mandatory IRS filing obligation that has nothing to do with how much money the company made.
That filing is Form 5472, and missing it carries a $25,000 penalty per violation.
What is Form 5472?
Form 5472 is an information return required by the IRS under IRC Section 6038A. It is used to report transactions between a US corporation and its foreign owners or related foreign parties.
For foreign-owned US single-member LLCs that are treated as disregarded entities for US tax purposes, the IRS requires them to be treated as corporations solely for the purpose of this filing. This means they must file Form 5472 alongside a pro forma Form 1120, which is a placeholder corporate tax return that exists only to attach the 5472 to.
Who Needs to File?
You need to file Form 5472 if you are a non-US individual or entity, you own 25% or more of a US LLC or corporation, and that LLC or corporation had any reportable transactions during the tax year.
Reportable transactions include contributions of capital, distributions, loans between you and the LLC, payments for services, and even the use of the LLC's property. This means that simply moving money into or out of your LLC as the foreign owner qualifies as a reportable transaction.
What Happens if the LLC Had No Income?
This is the most common misconception. Form 5472 is required regardless of whether your LLC earned any revenue or had any business activity during the year. Even a dormant LLC with zero income and zero expenses must file if it had any transactions with its foreign owner, including the initial contribution of capital to open the business.
What is the Penalty for Not Filing?
The IRS imposes a mandatory $25,000 penalty for failure to file Form 5472 or for filing an incomplete or inaccurate return. This penalty applies per form, per year. If your LLC has been in existence for several years without filing, the penalties can accumulate quickly.
The IRS has been increasing enforcement in this area, and many foreign-owned LLC owners have discovered the obligation only after receiving a penalty notice.
How FMC Agency Can Help
At FMC Agency, Form 5472 compliance is one of the first things we check when we onboard a new client with a foreign-owned US entity. We prepare and file Form 5472 and the accompanying pro forma Form 1120, review prior years for missed filings, and where applicable, assist with penalty abatement requests.
If you are not sure whether your US LLC has been filing correctly, the time to find out is before the IRS does.