How to file an EIN
What an EIN is, when you need one, what info you'll need, and how FormifyAI files it for you with the IRS via Form SS-4.
An EIN (Employer Identification Number) is your business's federal tax ID. It's the SSN equivalent for an entity — required to open a business bank account, hire employees, and file taxes.
When you need one
- Multi-member LLCs
- Any business with employees
- Any business that files excise tax
- Single-member LLCs that elect S-Corp or C-Corp tax treatment
- When opening a business bank account (required by most banks)
What you'll need to provide
- Legal entity name and trade name (DBA) if any
- Mailing and principal business address
- Responsible-party name + SSN/ITIN
- Business start date and accounting year-end
- Reason for applying (new business, hired employees, etc.)
How FormifyAI files it
Open the EIN form in your dashboard, prefill from your entity, review, and submit. We generate the IRS Form SS-4 and submit it on your behalf. Most EINs arrive in your dashboard within 24 hours.
Foreign-owned LLCs (no US SSN/ITIN) must use the Form SS-4 fax flow. We support this — pick 'No US tax ID' on the responsible party step and we'll route accordingly.
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