How Australia’s Tax Treaties Define Permanent Establishment – And Why It Matters for Australian Expats Running a Business Overseas

July 7, 2026
expats running a business overseas

 

If you are an Australian expat running a business while living overseas, the concept of “permanent establishment” (PE) sits at the centre of how much tax you owe, to whom, and under which country’s rules. A PE is the threshold at which a foreign country gains the right to tax your business profits – and equally, it is the threshold below which your home country’s tax rules continue to apply [1]. Get this wrong, and you risk double taxation, unexpected foreign tax bills, or non-compliance on both sides. Get it right, and Australia’s network of double tax agreements does exactly what they are designed to do: prevent the same income from being taxed twice.

TL;DR

  • A permanent establishment is a fixed place of business through which a foreign enterprise carries out its activities, triggering local taxation rights [3].
  • Australia’s double tax agreement network determines whether business profits are taxed in Australia, the country where you operate, or both.
  • Remote work and contractor arrangements are creating new PE risks that older treaty rules were not designed to address [8].
  • PE status interacts directly with your Australian tax residency determination – the two are not the same question, and confusing them is a common and costly mistake.
  • Professional Australian expat tax advice is essential before structuring a business overseas; the consequences of an incorrect PE determination flow into both countries’ tax systems.
About the Author: This article is written by the team at ODIN Tax, a Registered Australian Tax Agent serving Australian expats and non-residents across 40+ countries. With 10,000+ clients served and extensive experience applying double tax agreements in practice, ODIN Tax brings real-world pattern recognition to one of the most technically complex areas of Australian expat tax.
Disclaimer: This article contains general information only and does not constitute personal tax advice. Tax outcomes depend on individual circumstances, applicable tax treaties, and current legislation. Please seek qualified advice before making decisions about your tax position.

What Exactly Is a Permanent Establishment Under Australian Tax Law?

A permanent establishment is a fixed place of business through which the business of an enterprise is wholly or partly carried out [3]. Under section 6(1) of the Income Tax Assessment Act 1936, common examples include a place of management, a branch, an office, a factory, or a workshop [3]. This is not a uniquely Australian concept – the OECD model treaty language is mirrored across most of Australia’s bilateral agreements, which means the definition is broadly consistent whether you are operating in the US, UK, Singapore, or elsewhere [5].

Critically, Australia’s right to tax the business profits of a foreign enterprise is generally limited to profits attributable to a PE located in Australia. The reverse also applies: if you are an Australian tax resident running a business in another country, that country’s right to tax your business profits depends on whether you have established a PE there. This symmetry is the core mechanic of a double tax agreement Australia relies on to allocate taxing rights fairly.

How Do Australia’s Double Tax Agreements Affect Business Profits?

Building on the PE definition above, the harder practical question is how a double tax agreement Australia has signed with your country of residence actually allocates profits. Australia has tax treaties with more than 40 countries, and while each is negotiated individually, most follow OECD model treaty principles.

Under a typical treaty structure:

  • If you have no PE in the foreign country, only Australia can tax your business income (assuming you remain an Australian tax resident) [7].
  • If you do have a PE in the foreign country, that country gains the right to tax the profits attributable to that PE.
  • Australia may still tax the full income as your country of residence, but must provide relief via a Foreign Income Tax Offset (FITO) to prevent double taxation.

The US-Australia treaty is one of the more heavily litigated, partly because of the number of Australian expats in finance, tech, and consulting who work across both countries. Article 5 of that treaty defines PE with specific carve-outs – including for preparatory or auxiliary activities – that can substantially affect how a business is structured [2].

What Triggers a PE, and What Does Not?

Stepping back from the treaty mechanics, a separate concern is understanding which business activities actually create a PE and which do not. This distinction matters enormously for expats who want to operate a business in their country of residence without inadvertently triggering Australian non-resident treatment or a taxable presence in the foreign country.

Likely to Create a PEGenerally Does NOT Create a PE
Maintaining a dedicated office or premisesPurely preparatory or auxiliary activities [3]
A dependent agent with authority to conclude contracts [3]Using a broker or general agent acting independently
A construction or installation project exceeding a treaty-specified time threshold [5]Storing or displaying goods in a warehouse
A fixed base from which services are regularly provided [1]Collecting information or conducting market research

Does Remote Work Create a PE Risk for Australian Expats?

A related but distinct question has emerged strongly since 2020: does an employee or contractor working remotely from their home in a foreign country create a PE for their Australian employer or their own Australian company? This is not a theoretical concern – it is now one of the most common PE risk scenarios in practice [8].

The answer depends on treaty language, the nature of the work, and the degree of authority the individual exercises. Key risk factors include:

  • The person has authority to conclude contracts on behalf of the Australian entity [8].
  • The home office is effectively dedicated to the Australian business, not incidental to it [8].
  • The arrangement is sustained rather than temporary.

E-commerce and digital business structures add another layer of complexity. In these models, the traditional concept of a fixed physical location may not map cleanly onto how revenue is generated, and treaty interpretations are still evolving in many jurisdictions [4].

Why PE Status and Tax Residency Are Not the Same Question

One of the most common errors in Australian expat tax advice is conflating PE status with Australian tax residency. They are separate legal questions answered under different frameworks. Your tax residency determines whether Australia taxes your worldwide income. PE status determines whether a foreign country can tax your business profits, and to what extent Australia must provide relief under a double tax agreement.

An Australian tax resident can have a PE in another country. A non-resident can have a PE in Australia. The two questions interact – but neither resolves the other. Errors here can result in:

  • Claiming foreign income tax offsets on income that was never legitimately taxed overseas.
  • Failing to declare foreign business profits in Australia where treaty protection did not apply.
  • Structuring a business offshore in a way that inadvertently triggers Australian corporate tax obligations.

Frequently Asked Questions

Does having a registered company overseas automatically create a permanent establishment?

No. Registering a company in a foreign country does not by itself create a PE for Australian tax purposes. The substance of activities, physical presence, and contractual authority all matter. The legal form of the entity is only one input [3].

What is foreign income tax in Australia, and how does it relate to PE?

Foreign income tax in Australia refers to tax paid to an overseas government on income that is also assessable in Australia. If you have a PE in another country and that country taxes the profits attributable to it, you may be able to offset that foreign tax against your Australian liability through a Foreign Income Tax Offset claim.

Can I avoid PE status by working through a service agreement rather than setting up a local office?

Potentially, but the structure of the agreement matters more than its label. If the counterparty acts as a dependent agent with authority to bind your Australian business, a PE may exist regardless of the contract’s name [3]. Independent agents acting in the ordinary course of their business are treated differently [2].

Does Australia’s tax treaty with the US treat PE differently from other treaties?

The US-Australia treaty follows OECD principles but has specific provisions – including rules on construction activities, service PEs, and the treatment of independent agents – that differ at the margins from Australia’s other bilateral agreements [2]. The treaty also interacts with US domestic rules, which do not always mirror Australian treaty positions.

If I have no PE in Australia, does the ATO have any right to tax my business income?

If you are a non-resident, Australia’s right to tax your business profits is generally limited to profits attributable to a PE in Australia. However, other Australian-source income (such as rental income, dividends, or capital gains on taxable Australian property) may still be assessable regardless of PE status.

How does PE risk change if I employ staff in a foreign country?

Employing staff who work on behalf of your business in a foreign country can create PE exposure, particularly if those employees have authority to enter contracts or if they work from a location that constitutes a fixed place of business [8]. This is one of the key risks to assess before hiring overseas.

Is PE something my general accountant in Australia can advise on?

PE determinations sit at the intersection of Australian tax law, foreign domestic law, and bilateral treaty interpretation. Generalist accountants may not have the technical knowledge required to navigate this correctly, particularly where the treaty in question is less commonly used or where digital business structures are involved. Specialist Australian expat tax advice is strongly recommended.

About ODIN Tax

ODIN Tax is a Registered Australian Tax Agent serving Australian expats and non-residents across 40+ countries. Headquartered in Hong Kong, ODIN Tax applies technical knowledge of double tax agreements, tax residency rules, CGT for non-residents, and Foreign Income Tax Offset claims to the specific situations expats face. Part of the ODIN Group alongside Odin Mortgage, ODIN Tax coordinates tax strategy with mortgage structuring and property settlement to ensure comprehensive planning. With 10,000+ clients served and a 4.9/5 Google rating from 330+ verified reviews, ODIN Tax brings technical expertise and real-world expat experience to every engagement.

Running a business while living overseas?
PE rules are technical, treaty-specific, and easy to get wrong – and the consequences flow into both countries’ tax systems. The ODIN Tax team specialises in exactly these situations.

Speak to a specialist at ODIN Tax → odintax.com

References

  1. Permanent Establishment Criteria and Compliance in Australia | Commenda (www.commenda.io)
  2. US-AU DTA: Article 5 – Permanent Establishment – Asena Advisors (asenaadvisors.com)
  3. Permanent Establishment Australia | PE Rules & Tax (ausbusinessregister.com.au)
  4. E-business residency: an Australian tax perspective – William Buck Australia (williambuck.com)
  5. Permanent Establishment (PE): Understanding the … (altios.com)
  6. US-Australia tax treaty explained: how to avoid double taxation (www.taxesforexpats.com)
  7. Navigating permanent establishment risk in a remote work … (kpmg.com)
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