Get an EIN for your Delaware business

A federal Employer Identification Number (EIN) is the IRS tax ID your Delaware business uses for banking, payroll, and tax filing. The IRS issues EINs free · application takes 10 minutes online with immediate issuance for US founders. International founders apply by fax or mail. After your EIN, you also need to register with the Delaware Division of Revenue via the Combined Registration Application (CRA).

1. Form your business entity first. Your Delaware LLC, corporation, or other entity must exist before applying for an EIN. Form an LLC in Delaware or form a corporation if needed.
2. Pick your responsible party. The IRS requires one individual with substantial control over the entity (typically an owner with at least 25% interest) to be listed on Form SS-4.
3. Apply online at irs.gov. US founders with a valid SSN or ITIN get the EIN immediately. The application is free and takes about 10 minutes.
4. International founders: apply by fax or mail. Without an SSN or ITIN, the online system will not work. Fax Form SS-4 (typically 4 business days) or mail it (4 to 6 weeks). ITIN vs EIN explained.
5. Register with the Delaware Division of Revenue. Use the Combined Registration Application (CRA) to get your state-level tax accounts in Delaware.
6. Open a business bank account. Delaware banks commonly used include M&T Bank, WSFS, JP Morgan, Mercury (online).

An IRS EIN is federal-only. To operate in Delaware, you typically also need:

• State tax ID: Register with Delaware Division of Revenue using Combined Registration Application (CRA).
• Sales tax permit: No state sales tax. Skip. Sales tax registration overview.
• State withholding account: Yes · register for state withholding account.
• Unemployment insurance account: Required if you have employees in Delaware.
• Workers compensation insurance: Required if you have employees. Business insurance overview.