EIN for LLC

Key Takeaways Single-member LLCs usually use the owner’s SSN/ITIN for some tasks, but an EIN is often required for payroll, excise taxes, certain banks, and elections. Multi-member LLCs generally need an EIN because they default to partnership tax treatment and file separate federal returns. Your LLC’s IRS “responsible party” must have an SSN, ITIN, or

Key Takeaways In 2026, an EIN for an LLC can be issued immediately in the best-case scenario, but processing time varies based on how you apply and whether your information matches IRS records. Most delays come from mismatched names/SSNs, using the wrong “responsible party,” selecting the wrong LLC tax classification, or applying before the LLC