DIY vs. Hiring a Preparer for Form 5472: Which Makes Sense for You?
Form 5472 is simpler than most tax forms — but the $25,000 penalty for errors means the decision between DIY and hiring a preparer deserves a clear-eyed look. Here's the honest comparison.
June 15, 2026 · 11 min read · Form5472 Prep
Filing Form 5472 yourself costs $0 in fees but risks the $25,000 penalty on any error; hiring a preparer or flat-fee service (from $199) removes that risk. DIY makes sense for one clean tax year with simple transactions and time to read the IRS instructions. Pay someone if you have late or multi-year filings, or if you're unsure what counts as a reportable transaction.
Form 5472 is a two-page information return that reports transactions between your US LLC and you as the foreign owner. It isn't a complex tax calculation — there's no income to compute, no deductions to weigh, no AMT trap. But the penalty for getting it wrong or missing it entirely is $25,000 per form, per year (IRC §6038A(d)). That math changes the DIY vs. preparer question significantly.
The short answer: if your LLC had simple, straightforward transactions — one owner, one year, contributions and distributions only — filing yourself is genuinely doable. If you have multiple years, late filings to resolve, complicated transactions, or simply no appetite for IRS correspondence, a preparer is worth the cost.
Here's the full breakdown so you can make the call for your situation.
TL;DR — DIY vs. Preparer for Form 5472
| DIY | Preparer | |
|---|---|---|
| Cost | $0 (your time) | $150–$500 depending on service |
| Time | 3–8 hours first time | 15–30 minutes on your end |
| Error risk | Moderate — specific mistakes are common | Low if you use a specialist |
| Penalty exposure | Full $25,000 if filed wrong | Reduced; most services guarantee accuracy |
| Fax to IRS included | No — you arrange your own fax | Depends on service |
| Best for | One clean year, simple transactions, time to spare | Multiple years, late filings, or just want it done |
What does filing Form 5472 yourself involve?
To file Form 5472 on your own, you need to produce three things:
1. Pro forma Form 1120 — This is a mostly blank corporate return that acts as the cover sheet for the Form 5472. You fill in the LLC's name, EIN, address, date incorporated, and total assets at year end. Across the top you write "Foreign-Owned U.S. DE." Everything else stays blank.
2. Form 5472 — The actual information return. Part I covers the LLC's details. Part II covers you as the foreign shareholder — including your Foreign Taxpayer Identification Number (FTIN), which is your country's equivalent of a tax ID. Part III identifies which types of transactions occurred. Part V requires a line-item schedule of each monetary transaction with the dollar amount.
3. Fax transmission — The complete package (Form 1120 cover + Form 5472) must be faxed to the IRS Ogden PIN Unit at +1-855-887-7737. You cannot e-file this. You cannot mail it to a regular IRS service center. You need either a physical fax machine or an online fax service (eFax, FaxZero, or similar).
The IRS instructions for Form 5472 are available at irs.gov. They're not impenetrable — but they do assume familiarity with terms like "disregarded entity," "reportable transaction," and "related party" that don't have obvious plain-English translations.
Where do DIY Form 5472 filings go wrong?
The error patterns in DIY filings are consistent. These are not obscure technicalities — they're the specific mistakes that trigger penalties or rejection letters.
1. Filing Form 5472 for the wrong entity type
Form 5472 for a foreign-owned disregarded entity is filed with a pro forma Form 1120 cover. Some DIY filers confuse this with the Form 5472 filed by foreign corporations, which uses a real Form 1120 — an entirely different return. The filing routes, attachments, and processing are different.
2. Misidentifying the "reporting corporation"
Part I of Form 5472 asks for the "reporting corporation." For a foreign-owned single-member LLC, this is the LLC itself — its name and EIN. A common mistake is putting the foreign owner's name and information here instead.
3. Missing the FTIN field
Part II requires your Foreign Taxpayer Identification Number — your PAN (India), National Insurance number (UK), SIN (Canada), or equivalent. Many DIY filers either leave this blank or don't know which number to use. The IRS can reject a return with this blank.
4. Misclassifying transactions in Part III
Part III has checkboxes for different transaction categories: sales of inventory, rents, royalties, amounts borrowed, amounts loaned, and so on. The most common error is checking "other" for everything, or missing monetary transactions entirely because the owner didn't realize their initial funding contribution counts as a capital contribution (a reportable transaction).
5. Sending to the wrong address
The IRS has multiple service centers. Form 5472 for a foreign-owned disregarded entity goes to the Ogden PIN Unit by fax — not by mail, not to any other IRS office. Returns sent to the wrong destination get lost, and the penalty clock doesn't stop while the IRS searches for a return you sent.
6. Using an old form version
The IRS updates Form 5472 periodically. Using a version from two or three years ago is a common mistake among people who find the form via a Google search and click the first PDF link. Always download from irs.gov, check the revision date in the upper right corner, and confirm it matches the current version.
What does a Form 5472 preparer actually do?
A good preparer — whether a CPA, enrolled agent, or specialist service — handles:
- Reviewing your transaction history and categorizing each one correctly
- Completing the pro forma Form 1120 and Form 5472
- Preparing the Part V supporting statement with itemized amounts
- Drafting a reasonable cause statement if you have late years to file
- Faxing the complete package to the IRS Ogden PIN Unit
- Providing you with a timestamped fax confirmation receipt as proof of submission
What you provide: your LLC's name, EIN, address, formation date, and a summary of what money moved between you and the LLC during the year. That's typically a 15–30 minute exercise on your end.
Not all preparers do all of these things. Some deliver the completed forms for you to fax yourself. Some don't help with late filings or reasonable cause statements. If you're comparing services, the most important questions are: (1) is the fax to the IRS included, and (2) do they handle DIIRSP submissions for late filers?
How much does a Form 5472 preparer cost?
Prices across the market vary significantly based on who's doing the work and what's included.
| Provider type | Typical cost | Fax included? | Late years? |
|---|---|---|---|
| Traditional CPA / accounting firm | $300–$700 per year | Rarely | Sometimes, for extra fee |
| Online compliance services (doola, entity.inc, etc.) | $225–$400 per year | Varies | Limited |
| Freelancers (Fiverr, Upwork) | $25–$100 | No | No |
| Form5472 Prep | $199 per year (Standard) | Yes | Yes — full DIIRSP packages available |
| DIY | $0 | No (you pay separately) | Possible |
A few notes on these numbers:
Traditional CPA firms charge the most but are the right choice if you have a complex multi-entity structure, multiple foreign owners, or US income that requires a real tax return alongside the Form 5472. For a solo founder with a simple single-member LLC, paying $500+ for a two-page information return is typically not necessary.
Online compliance services are a middle option. Pricing is usually transparent and lower than a CPA firm, but review what's actually included before paying. Some services complete the forms but expect you to arrange the fax. Some have limited support for late filers.
Freelancers are the highest-risk option. A Form 5472 completed incorrectly — wrong entity type, missing FTIN, wrong fax number — can result in a $25,000 penalty even if you paid someone to prepare it. The IRS holds the filer responsible, not the preparer. Quality on Fiverr ranges from excellent to dangerously wrong, and it's hard to tell from a listing.
DIY is $0 upfront but isn't free: it costs you the time to read the instructions, learn the filing workflow, arrange the fax, and carry the risk that something is wrong. For one clean year with simple transactions, this is a reasonable choice for someone who enjoys reading IRS instructions and will be methodical about it. For anything else, the hourly rate comparison doesn't favor DIY once you factor in the time.
When does DIY make sense?
File yourself if all of the following are true:
- You have exactly one tax year to file (current year only, no late returns)
- The transactions are simple: capital contributions in, maybe distributions out, nothing unusual
- You have your LLC's EIN, formation documents, and bank statements organized
- You know your country's equivalent of a tax ID (your FTIN)
- You're willing to read the current IRS instructions for Form 5472 before starting
- You have access to an online fax service or fax machine
If you meet all six conditions and are willing to put in the 3–5 hours, DIY is a legitimate option. The form isn't incomprehensible.
When does hiring a preparer make sense?
Get a preparer if any of the following apply:
- You have more than one year to file. Late filings require a DIIRSP package with a reasonable cause statement — that's not a DIY project for most people.
- You're not sure what transactions are reportable. If you've been moving money between your personal accounts and the LLC in ways that are hard to categorize, a preparer who knows the Part III categories will save you hours and potential errors.
- You've never done this before and want it done right the first time. The $25,000 penalty doesn't allow for a "close enough" first attempt.
- You want the fax handled for you. Not everyone has access to a fax service, and the fax step is the one that most often causes problems for people who attempted DIY.
- You want proof of filing. A timestamped fax receipt from a specialist service is cleaner documentation than a screenshot from an online fax service you used once.
The cost difference between DIY and a specialist service is typically $150–$200 for a single year. Against a $25,000 penalty, that math is straightforward.
Frequently asked questions
Can I prepare Form 5472 in a spreadsheet and print it?
No — you need to use the official IRS form (PDF), available at irs.gov. The form has internal layout requirements that matter for processing. Don't reconstruct it from scratch or use a third-party fillable PDF unless it explicitly matches the current IRS revision.
What if I make a mistake on a DIY filing?
File an amended Form 5472 as soon as you identify the error. Attach a brief explanation of what changed. The IRS can assess penalties for incomplete or inaccurate returns the same as for late ones, so correcting it quickly is important.
Do I need a US address to file Form 5472?
No. Your address as the foreign owner goes on Part II as the foreign shareholder's address. The LLC's registered agent address in the US goes on the Form 1120 cover. You don't need a US personal address.
Is it possible to e-file Form 5472?
Not for a foreign-owned disregarded entity. The pro forma Form 1120 + Form 5472 package for a DE must be filed by fax to the IRS Ogden PIN Unit. The IRS MeF (Modernized e-File) system does not accept this filing type.
What is the IRS fax number for Form 5472?
The IRS Ogden PIN Unit fax number is +1-855-887-7737. This is the only correct destination for a Form 5472 attached to a pro forma Form 1120 for a foreign-owned disregarded entity. Keep the fax confirmation — it's your proof of timely filing.
How do I know if my Form 5472 was accepted?
The IRS doesn't send an acceptance confirmation for Form 5472 the way it does for e-filed returns. Your timestamped fax confirmation is the documentation that matters. If the IRS has an issue with the return, they'll send a letter — typically 6–18 months after filing.
The bottom line
If you have one clean year, simple transactions, and the time to do it carefully, DIY is workable. If you have late filings to sort out, aren't sure what counts as a reportable transaction, or simply want the form prepared, faxed, and confirmed without the risk — a specialist service at $199 is a small spend against a $25,000 exposure.
For a broader overview of what the form is and who needs to file, see our Form 5472 guide. If you have late years to catch up on, the DIIRSP walkthrough explains the procedure.
Ready to get it done? Start your filing here — takes about 15 minutes, fax to the IRS included.