US LLC for Australian Entrepreneurs. Setting up a US LLC has three real pillars: forming the entity, getting your EIN, and keeping a registered agent in place. Miss any one, and your LLC cannot open a bank account, cannot file with the IRS, or falls out of good standing with the state. This guide walks through each pillar in plain language, built specifically for Australian founders.
Why Australian Entrepreneurs Are Forming US LLCs
You do not need US citizenship, residency, a visa, or a Green Card to own a US LLC. Most states allow full foreign ownership once you follow the correct formation steps. Australian founders typically choose a US LLC for one or more of these reasons:
- Full access to US Stripe, PayPal, and other payment platforms, without the limits of the Australian versions
- A US entity that feels familiar to American customers and partners
- Simple pass-through taxation in most cases, with one layer of tax rather than two
- A base in USD, reducing constant AUD to USD conversion on US-sourced revenue
If your business already sells mainly to Australians, a Pty Ltd may still be the better fit. If your customers, platforms, or growth plans point to the US, keep reading.
Part 1: Forming Your US LLC
What You Need Before You File
Before you start, gather:
- A proposed business name, checked against your target state’s name database
- A US state to form in
- A registered agent with a physical address in that state
- Your passport, used to confirm your identity as the responsible party
- Details for the Articles of Organization: your business address, purpose, and management structure
Choosing a State as a Non-Resident
Non-residents with no US office, store, or staff can form an LLC in any state, regardless of where they run the business day to day. Wyoming, Delaware, and Colorado are common picks among international founders, each for different reasons: Wyoming for low ongoing costs and privacy, Delaware for its established business law, and Colorado for its straightforward filing process. Your choice should follow your actual plans, such as whether you expect to raise investment, rather than habit or hearsay.
Filing Your Articles of Organization
This is the document that legally creates your LLC (called a Certificate of Formation in Delaware). You or a formation service submits it to the state, along with the filing fee. Once approved, your LLC is legally active, though it cannot yet open a bank account or hire anyone until it has an EIN.
Part 2: Getting Your EIN Without an SSN
What an EIN Is and Why You Need One
An Employer Identification Number (EIN) is the federal tax ID for your business. You need it to open a US bank account, file tax returns, and work with US contractors or payment processors. It does not, by itself, create your company or confirm you owe US tax. It simply identifies your entity to the IRS.
How to Apply Using Form SS-4
Because you do not have a Social Security Number, the IRS online EIN tool is not available to you. You apply instead using Form SS-4, the Application for Employer Identification Number. Identify the responsible party, which the IRS defines as the individual who ultimately owns or controls the entity, and complete the form using the legal name from your formation documents.
Phone, Fax or Mail: Which Is Fastest?
International applicants have three options:
- Phone: Call the IRS international line at 267-941-1099, available 6am to 11pm Eastern Time, Monday to Friday. This is not a toll-free number, so expect a real international call cost. The person calling must be authorized to answer questions about the Form SS-4 application, and having the form filled out before the call speeds things up.
- Fax: Fax the completed form to the IRS, including a return fax number. The IRS typically faxes the EIN back within about four business days, though some sources report processing closer to ten business days.
- Mail: The slowest option. Mailed applications typically take about four to six weeks to process.
For most Australian founders, fax with a return fax number is the practical middle ground between the long hold times some callers report on the phone line and the slow turnaround of the post.
Common Mistakes That Delay Your EIN
The most common hold-ups are avoidable:
- Wrong responsible party. Naming a nominee instead of the actual owner causes delays and follow-up questions.
- Leaving line 7b blank. If you have no SSN or ITIN, write “Foreign” in that field rather than leaving it empty.
- Name mismatch. The legal name on your Form SS-4 must match your state formation documents exactly.
- Vague business activity description. Be specific about what your business actually does, not a generic label.
Part 3: Choosing a Registered Agent
What a Registered Agent Actually Does
A registered agent is a person or company with a physical street address in your LLC’s state of formation. They receive legal notices, state compliance mail, and tax correspondence on your company’s behalf, and this is a legal requirement in every US state, not an optional extra.
Why You Cannot Act as Your Own Agent
Since you live in Australia and have no US street address, you cannot serve as your own registered agent. You need a professional registered agent service, which typically costs somewhere between $50 and $300 a year, depending on the provider and state. Many formation services bundle a free first year of registered agent service into their package, so check what is included before you compare prices.
After Formation: Bank Account and Ongoing Duties

Once your LLC is formed and your EIN is issued, you can apply for a US business bank account. You do not need an SSN for this step either; your EIN, formation documents, and passport are generally enough. Many online-first providers let Australians complete this remotely, though some traditional banks still prefer an in-person visit.
From here, keep three ongoing duties on your calendar:
- Annual state report or franchise tax, due in most states even with zero income
- Form 5472 and a pro forma Form 1120, required for most foreign-owned single-member LLCs each year, with a steep penalty starting at $25,000 for missing it
- Registered agent renewal, so your LLC does not fall out of good standing
If your LLC receives US-source income, you or your US payers may also need a W-8BEN-E on file to claim any tax treaty benefits and avoid a flat withholding rate.
How to Choose a Formation Partner
Look for a service that:
- Explains state choice based on your actual goals, not a single default state
- Handles the Form SS-4 filing correctly for foreign applicants, including the responsible party details
- Includes registered agent service, ideally with a free first year
- Flags Form 5472 and W-8BEN-E obligations upfront, not as a surprise later
- Offers support during Australian business hours, or clear turnaround times across the time difference
How Mark X Media Supports Australian Founders
Mark X Media helps Australian entrepreneurs through the full setup, from picking a state through registered agent and EIN support, as part of our work helping businesses grow online. Once your LLC is active, our digital marketing, website development, and Google Ads teams can help you start reaching US customers straight away. See our USA LLC Formation service for details, or browse our portfolio of past client work.
FAQs
Do I need to be a US citizen to form an LLC?
No. Most US states allow full foreign ownership of an LLC. You need a business name, a chosen state, a registered agent, a passport, and completed Articles of Organization. No visa, Green Card, or Social Security Number is required.
How do I get an EIN if I do not have a Social Security Number?
You apply using Form SS-4 through the international process: phone, fax, or mail. The IRS phone line for international applicants is 267-941-1099, available weekdays 6am to 11pm Eastern Time. Fax is generally the fastest written option, returning an EIN within about four to ten business days.
Can I be my own registered agent?
No, not if you live in Australia. A registered agent needs a physical street address in your LLC’s state of formation to receive legal mail. Since you have no US address, you must use a professional registered agent service, which is a legal requirement in every state.
What happens if I miss Form 5472?
Most foreign-owned single-member LLCs must file Form 5472 with a pro forma Form 1120 every year, even with no income. Missing the deadline carries a penalty starting at $25,000, so treat this as a fixed annual task rather than an optional filing.
How long does the whole process take from Australia?
Formation typically takes a few business days to two weeks, depending on the state. EIN approval for international applicants usually takes anywhere from a few business days by fax to four to six weeks by mail. Bank account setup often adds another one to two weeks after the EIN is issued.
Will forming a US LLC create double taxation for me in Australia?
Not usually, thanks to the tax treaty between Australia and the US, which allows a foreign income tax offset for tax paid in the other country. However, the ATO has confirmed that rules around US LLC interests, including controlled foreign company rules, are genuinely complex. Speak with a tax agent familiar with both countries before you lodge your first return.
Final Thoughts
Forming a US LLC from Australia is a realistic, well-worn path, and thousands of Australian founders complete it every year. The formation step is the easy part. Getting the EIN application right the first time, and keeping a registered agent and your annual filings current, is where founders either save themselves headaches or create them. If you want help setting up your US LLC and getting your US-facing business online, contact Mark X Media to get started.







