Guides for non-US founders

Getting the number itself, without an SSN or ITIN: what the IRS asks, how long it takes, and what goes wrong.

• How Non-US Residents Can Successfully Apply for an EIN: Step-by-Step Guide and Common Pitfalls

  2025-08-18 ·3 min read

• EIN for Foreign-Owned US LLCs: The Complete 2025 Guide

  2025-08-18 ·5 min read

• Can I Get an EIN Without a US Address? The Truth for Foreign Entrepreneurs

  2025-08-18 ·5 min read

The application form itself — the responsible party, the entity type, and the lines that get applications sent back.

• SS-4 Lines 1–3: Separate Legal Name, Trade Name, and Care-of Fields

  2026-11-09 ·6 min read

• SS-4 Lines 4–6: A Foreign Mailing Address and a Different Business Location

  2026-11-09 ·6 min read

• SS-4 Line 7b: Use an Existing SSN or ITIN Before Considering Foreign or N/A

  2026-11-09 ·7 min read

CP-575, Letter 147C, and what to do when the IRS sends back a question instead of a number.

• Which EIN Records Should Be Ready Before a Business Address Changes?

  2026-11-09 ·7 min read

• When an LLC Name Changes but Its Owner and Structure Do Not

  2026-11-09 ·8 min read

• An LLC Ownership Change Needs a New-EIN Review, Not an Automatic Repeat Application

  2026-11-09 ·8 min read

Three numbers that are constantly confused for one another. Which one you need, and which you do not.

• EIN vs ITIN: What’s the Difference for Non-US Residents?

  2025-08-15 ·6 min read

• ein application vs tax id: what’s the difference? (2025)

  2025-08-15 ·4 min read

• ITIN vs. EIN vs. SSN: Key Differences Non-Resident Aliens Must Know & When to Apply

  2025-08-12 ·5 min read

Check whether a foreign-owned U.S. disregarded entity had reportable transactions and must file Form 5472 with a pro forma Form 1120 for the applicable year.

• Before Preparing Form 5472: Confirm U.S. Formation, Foreign Ownership, and DE Status

  2026-11-09 ·7 min read

• A Form 5472 Information Return Does Not Calculate Every Tax the Owner Might Owe

  2026-11-09 ·7 min read

• Formation Payments in Part V: Build a Source-Document List

  2026-11-09 ·8 min read

What each platform actually asks for, and where the EIN fits into opening an account.

• EIN for Amazon Sellers: Why You Need It & How to Get It

  2025-08-18 ·5 min read

• How I Got My EIN in 10 Days (Without an SSN) — A Must-Read for Every Amazon Seller

  2025-08-16 ·4 min read

• Amazon + Mercury + Stripe? Here’s How to Get Your EIN (2025 Guide for Global Sellers)

  2025-08-15 ·6 min read

Entity types, Form 8832, and how the choice changes what you owe the IRS every year.

• Before Form 8832: Does the LLC Already Accept Its Default Classification?

  2026-11-09 ·6 min read

• Single Owner or Several Owners: The Domestic LLC Default Is Different

  2026-11-09 ·7 min read

• An EIN Is Required Before Completing Form 8832

  2026-11-09 ·6 min read