Full disclosure: this is Form5472.io’s blog, and Form5472.io is our product. We are writing this because the two names genuinely look alike in a search results page, and people land on the wrong one by accident. This comparison sticks to published, verifiable facts about both services rest is opinion, and we say so when it is.
Two Different Companies, One Confusing Coincidence
form5472.io and form5472.online are separate, unrelated businesses. There is no partnership, ownership overlap, or shared infrastructure between them that we are aware of. They differ by one word in the domain .io versus .online which is an easy thing to mistype or misremember, especially when searching on a phone.
The two services are also structurally different, which matters more than the name collision:
- form5472.io is a self-serve software tool. You answer guided questions, an AI-driven checker validates common error points, and you download an IRS-ready PDF package to submit yourself.
- form5472.online, per their own site, is a CPA-prepared filing service operated by Tax USA Group. A licensed CPA reviews, prepares, and signs each return.
Side-by-Side Comparison
| Criteria | form5472.io | form5472.online |
|---|---|---|
| Model | Self-serve software, AI compliance checks | CPA-prepared and signed, per their site |
| Price, single-member LLC | $147 one-time (1 filing) | $399 (no activity) / $498 (active), per their published pricing |
| Multi-member (Form 1065) support | Yes, from $197 | Yes, listed from $529 (no activity) / $618 (active) |
| Turnaround | About 15 minutes, self-guided | Not published; involves human CPA review |
| Named preparer signature | No | Yes, per their site |
| Professional liability coverage | No (software, not a professional engagement) | Included on filings, per their site |
| Company history | Newer, purpose-built for this filing | Operating since 2004, per their site |
| Fax-to-IRS submission | Optional add-on, $7.99 | Not confirmed in published materials |
Pricing and feature details for form5472.online reflect their publicly published materials as of when we checked; we are not affiliated with them and have not independently verified every claim on their site. Confirm current details directly with them before deciding.
Looking for the fast, self-serve option? Form5472.io generates your IRS-ready Form 5472 + pro forma 1120 in about 15 minutes for $147, no CPA required.
Start filing on Form5472.io →Which One Should You Use?
This is not a case where one option is objectively better the two exist for different buyers.
- Pick software (form5472.io or similar tools) if your situation is standard a single-member LLC with ordinary owner-to-company transactions and you want the filing done quickly at the lowest cost. See our CPA vs DIY breakdown for the full decision framework.
- Pick a CPA-prepared service (form5472.online or a CPA you engage directly)if you specifically want a licensed preparer’s signature, professional liability coverage, or your situation involves judgment calls a form interview cannot capture treaty positions, effectively connected income, or multiple related entities.
For the full landscape including formation-platform bundles like doola and Firstbase, see our complete roundup of Form 5472 filing services.
Key Takeaways
- form5472.io and form5472.online are unrelated businesses that happen to share a similar name. Double-check the domain before you pay anything, anywhere.
- form5472.io is self-serve software at $147. form5472.online is a CPA-prepared service at $399–$498 for a single-member LLC, per their published pricing.
- The price gap reflects a real difference in what you are buying: software versus a licensed preparer’s signature and liability coverage.
- Choose based on whether your situation is standard (software) or needs professional judgment and representation (CPA-prepared).
Frequently Asked Questions
Are form5472.io and form5472.online the same company?
No. They are separate, unrelated businesses that happen to have very similar names. Form5472.io is a self-serve software tool. Form5472.online is operated by Tax USA Group, a CPA firm that has offered foreign-owned entity tax services since 2004. Double-check the domain before you sign up or enter payment details anywhere.
Which one is cheaper?
Form5472.io, by a significant margin. A single-member LLC filing is $147 one-time on Form5472.io, versus $399 (no-activity company) or $498 (active company) on form5472.online as of when we checked their published pricing. The gap reflects the underlying model: software versus a CPA-prepared and signed return.
Does form5472.io have a CPA sign my return?
No. Form5472.io is a guided software tool with AI-driven compliance checks; you review and submit the completed forms yourself. It does not include a paid preparer’s signature or professional liability coverage. If you specifically want a licensed CPA to prepare and sign your Form 5472, form5472.online or a CPA engaged directly are the appropriate options, not a software tool.
Is form5472.online a legitimate service?
Based on their published materials, yes: they describe themselves as an IRS Authorized e-File Provider operating since 2004 under Tax USA Group, with a named CPA (holding a Virginia Board of Accountancy license, per their site) reviewing and signing returns. We have not independently audited their operations; verify any claims that matter to your decision directly with them before paying.
Why do these two names look so similar?
We do not know form5472.online’s reasoning for their domain, and we have no relationship with them. If you are trying to reach either company, the safest approach is to type the full URL carefully and confirm you are on the site you intended before entering any payment or personal information.
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