About us
About Form5472 Prep
One filing, done properly. Founded in 2025, we prepare Form 5472 and pro forma 1120 filings for foreign-owned U.S. LLCs.
Form5472 Prep prepares and files the IRS Form 5472 and pro forma Form 1120 package for supported foreign-owned U.S. single-member disregarded LLCs with reportable transactions. We document transmission. We are not a general tax firm and we don't try to be.
Why did we build Form5472 Prep?
Most foreign founders discover Form 5472 the hard way — through a warning about a $25,000 penalty, often after they've already missed a deadline. The form isn't hard to fill in, but it's hard to fill in completely, correctly, and on time from outside the US, in a format the IRS accepts, using a channel (fax to the Ogden PIN Unit) most people no longer have.
The foreign-owned disregarded-entity package uses special fax or mail instructions rather than ordinary corporate e-file. Our filing service focuses on this profile, with accountant review and a provider receipt documenting transmission. Separate EIN and ITIN application services are available when those numbers are genuinely needed.
How we work
How do we work?
You complete the intake, we prepare the package, signing is resolved, and we fax and document transmission.
- 1
You complete the intake
Provide your LLC and owner details, related-party transactions and year-end assets. Keep supporting records available so the figures can be checked.
- 2
We prepare the package
Pro forma Form 1120 marked “Foreign-Owned U.S. DE”, the applicable Form 5472 parts and supporting statements, plus late-filing documentation where appropriate.
- 3
Review and resolve signing
A qualified tax accountant reviews the package before submission. Establish signing authority and the method appropriate to the document and delivery route before the completed cover is signed.
- 4
We fax and document transmission
We fax the signed package to the IRS Ogden PIN Unit and provide the timestamped provider transmission receipt. Keep it with the submitted package; it is not IRS acceptance or a guarantee of penalty relief.
What are we, and what are we not?
We are a form-preparation and filing-courier service, and we are not a general tax firm.
We are
- A form-preparation and filing-courier service for Form 5472 + pro forma 1120.
- Reviewed by a qualified tax accountant before every submission.
- Transparent about both tiers and up front about multi-year pricing.
- Built to provide a timestamped provider receipt as transmission evidence.
We are not
- A tool for multi-member LLCs or corporations (those file different returns).
- Responsible for the accuracy of the information you submit — that stays with you.
- Affiliated with the IRS or any government agency.
The guides on our blog are researched from primary sources — chiefly the IRS Instructions for Form 5472 and the Internal Revenue Code — and reviewed on a regular schedule; see our editorial policy. For how we handle your data, see Security and Data Retention. Questions? Email support@form5472prep.com.