The complete guide for Australian residents who need a US ITIN number for LLC formation, Amazon FBA, Stripe, PayPal, US business banking, and international online business — without leaving Australia.
An ITIN (Individual Taxpayer Identification Number) is a 9-digit US tax number issued by the IRS for individuals who need to meet US tax obligations but do not have a Social Security Number — including Australian non-residents.
Created for non-residents — including Australians — with US tax filing obligations or business interests.
An official federal tax ID number from the US Internal Revenue Service, recognised nationwide.
Allows you to file taxes, open US accounts, and operate a business; does not authorise work in the US.
A personal tax ID for foreign individuals (you as a person). Australians use it to file US taxes, verify Stripe/PayPal, and open US bank accounts.
A business tax ID for your US LLC. Think of it as the Australian ABN equivalent for your American company.
Most Australian entrepreneurs operating in the US need both an ITIN (personal) and an EIN (business) for full compliance.
From Sydney freelancers to Melbourne Amazon sellers, Australian entrepreneurs are expanding into the US market with an ITIN-powered business setup.
Australian entrepreneurs selling on Amazon.com who need US tax compliance for seller verification and payouts.
Founders using Stripe Atlas to incorporate a US company from Australia and need tax ID verification.
Australians who own a Wyoming, Delaware, or New Mexico LLC and must file US taxes with the IRS.
Australian e-commerce operators with US customers who need proper tax documentation.
Australian professionals invoicing US clients via Upwork, Fiverr, and international platforms.
Australian marketing, design, and development agencies serving American clients.
Australian coaches and consultants selling digital products and courses to US audiences.
Australian tech founders building US-facing SaaS products needing US payment processing.
A US ITIN opens the door to the American financial system for Australian entrepreneurs looking to scale globally.
Access Mercury, Relay, and Wise Business as a non-resident from Australia.
File taxes correctly with the IRS and avoid penalties or account suspensions.
Receive and send USD via Stripe, PayPal, and Wise without friction.
Build US financial history and operate your business with a professional US tax identity.
The three most popular platforms used by Australian entrepreneurs in the US require (or strongly recommend) an ITIN for tax verification.
Accept international card payments in USD. An ITIN helps verify your account as a foreign beneficiary and comply with W-8BEN requirements for Australian residents.
Receive payments from global clients. With ITIN + LLC + EIN, Australian residents can operate verified US PayPal Business accounts seamlessly.
Sell on Amazon.com as an Australian-based seller. The ITIN is a key part of the tax verification process to receive payouts correctly to your Australian bank.
Most Australian entrepreneurs operating in the US have a US LLC + EIN + ITIN. The LLC is your American company, the EIN is its business tax ID, and the ITIN is your personal US tax number as an Australian resident. Together, they unlock Stripe, PayPal, digital banks (Mercury, Relay), and Amazon FBA.
The documentation for Australian residents is straightforward and everything can be handled remotely through a Certified Acceptance Agent (CAA).
Primary identity document. A Certified Acceptance Agent (CAA) can verify it locally in Australia without sending the original to the IRS.
The official ITIN application completed with accurate personal details, reason for application, and correct category selection.
Documentation showing why you need an ITIN — such as US LLC documents, Amazon seller contract, Stripe business agreement, or tax treaty benefits.
Your residential or business address in Australia (or abroad) where the IRS will mail your ITIN assignment letter.
A simple, 100% remote process through an IRS-authorised Certified Acceptance Agent — no need to leave Australia.
Fill out the official IRS W-7 application with your personal details, reason for applying, and correct ITIN category.
An IRS Certified Acceptance Agent (CAA) in Australia authenticates your Australian passport — no need to mail it overseas.
Your CAA submits your application package with the Certificate of Accuracy directly to the IRS on your behalf.
The IRS reviews your application. Typical processing takes 6 to 10 weeks from receipt of a complete application.
The IRS issues your 9-digit ITIN and mails the assignment letter to your Australian address.
From Sydney freelancers to Perth SaaS founders, Australian business owners are tapping into the US market with an ITIN-powered setup.
Australian designers, developers, and marketers serving US clients use an ITIN to issue W-8BEN forms and get paid in USD through US platforms.
Australian Amazon sellers access Amazon.com, complete US tax interviews, and receive payouts with an ITIN-verified seller account.
Accept card payments and send invoices globally with a verified US business account backed by ITIN + LLC + EIN.
Open accounts with Mercury, Relay, or Wise Business to hold and transact in USD without expensive currency conversion losses.
Use your ITIN to open US brokerage accounts and invest in American stocks, ETFs, and securities as an Australian.
Launch a Wyoming, Delaware, or New Mexico LLC remotely — no US address, no SSN, and no travel required from Australia.
A Certified Acceptance Agent is an IRS-authorised representative who can verify your Australian identity documents, certify copies, and submit your ITIN application without you mailing your original passport to the United States.
We answer the most common questions from Australian entrepreneurs about obtaining a US ITIN number.
Join thousands of Australian entrepreneurs already operating global businesses in the United States with an ITIN processed 100% remotely from Australia.
Processing approximately 6–10 weeks · Your passport never leaves your hands · IRS Certified Acceptance Agent
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