You can owe corporate tax in a country where you never registered a company. One remote hire or one traveling salesperson can trigger it, and the bill often lands years later with penalties and interest. That trigger has a name: permanent establishment (PE).
This guide explains what PE is, what creates it, how many days matter, and how the way you hire changes your exposure.
What is permanent establishment?
Permanent establishment is the tax-law threshold that lets a country tax a foreign company’s profits earned inside its borders. PE is a tax concept, not a legal-entity concept. You can trigger it with zero paperwork and zero intent. What counts is the substance of your activity in the country, not whether you registered anything.
The authoritative source most treaties build on is the Organisation for Economic Co-operation and Development (OECD). Article 5(1) of the OECD Model Tax Convention defines PE as “a fixed place of business through which the business of an enterprise is wholly or partly carried on.” Article 5(2) of the OECD Model Tax Convention adds an illustrative list: a place of management, a branch, an office, a factory, a workshop, and a mine, oil or gas well, or quarry.
What are the types of permanent establishment?
There are three main types: fixed place of business PE, agency PE, and service PE. Each has a different trigger, and a foreign company can create any of them without opening an entity. The table below sits at the core of the page because it maps each type to what sets it off, a classic example, its key threshold, and the source.
| Type | What triggers it | Classic example | Key threshold | Source |
|---|---|---|---|---|
| Fixed place of business PE | A fixed location at the company’s disposal used to carry on business | Branch, office, factory, or a continuously used home office | Degree of permanence; construction sites need more than 12 months | OECD Model Tax Convention, Art. 5(1)-(3) |
| Agency PE | A dependent agent who habitually concludes contracts or plays the principal role leading to them | Remote salesperson with closing authority | Habitual activity; no fixed day count | OECD Model Tax Convention, Art. 5(5)-(6); BEPS Action 7 (2015) |
| Service PE | Personnel furnishing services in-country beyond a treaty threshold | Consultants on a long in-country assignment | More than 183 days in any 12-month period | UN Model Convention, Art. 5(3)(b) |
What is a fixed place of business PE?
A fixed place of business PE is a physical location at the company’s disposal through which its business is carried on. Three tests apply: there is a place of business, it is fixed in place and time, and business runs through it. Article 5(2) of the OECD Model Tax Convention lists branches, offices, factories, and workshops as examples.
A warehouse used beyond mere storage can qualify. So can an employee’s home office when it is used continuously for the enterprise. That home-office flashpoint gets full treatment in the remote-hire section below.
What is an agency PE?
An agency PE arises when a dependent agent habitually concludes contracts for the company, or, after 2015, habitually plays the principal role leading to contracts routinely concluded without material modification. Article 5(5) of the OECD Model Tax Convention sets this test. Article 5(6) preserves an exception for genuinely independent agents acting in the ordinary course of their own business.
The OECD’s Base Erosion and Profit Shifting (BEPS) project closed the commissionaire loophole. BEPS Action 7’s final report, published 5 October 2015, rewrote the rule so a local agent selling in their own name for a foreign principal can no longer dodge PE. A remote salesperson with closing authority is the classic trigger.
What is a service PE?
A service PE arises when a company furnishes services in-country through personnel beyond a treaty threshold, commonly more than 183 days in any 12-month period. This provision is explicit in the United Nations (UN) Model Convention, not the OECD Model itself. Article 5(3)(b) of the UN Model Double Taxation Convention sets the 183-day test.
Service PE appears in many bilateral treaties with emerging economies. It matters most to consultancies, IT services firms, and staff sent abroad on assignment.
How many days trigger a permanent establishment?
There is no single number. The two most citable thresholds are 12 months for construction sites under the OECD Model, and 183 days for service PE in many treaties. Fixed place and agency PE have no day count at all; they turn on permanence and on habitual contract activity. The table below carries the numbers by rule and model.
| PE rule | Threshold | Model / source |
|---|---|---|
| Construction or installation site | More than 12 months | OECD Model Tax Convention, Art. 5(3) |
| Construction or installation site | More than 6 months | UN Model Convention, Art. 5(3)(a) |
| Service PE (personnel in-country) | More than 183 days in any 12-month period | UN Model Convention, Art. 5(3)(b) |
| Fixed place of business | No fixed day count; needs a degree of permanence | OECD Model Tax Convention, Art. 5(1) |
| Agency PE | No day count; triggered by habitual contract conclusion | OECD Model Tax Convention, Art. 5(5) |
The OECD Model Tax Convention sets construction PE at more than 12 months under Article 5(3). The UN Model Convention shortens that to more than 6 months under Article 5(3)(a), so source-favorable treaties bite sooner. Always check the applicable treaty, because the number changes with it.
Does hiring a remote employee create a permanent establishment?
It can, but not always. A remote employee’s home office can be a fixed place of business if it is used continuously for the enterprise and the enterprise effectively requires it, per the OECD Commentary on Article 5. A remote seller with contract authority can create an agency PE regardless of any office, under Article 5(5) of the OECD Model Tax Convention.
Risk tracks what the worker does. A back-office engineer is lower risk than a sales closer or an executive with signing authority. Germany scrutinizes home offices and management activity closely under its concept of Betriebsstätte, so read the Germany permanent establishment rules before placing senior staff there. Many countries relaxed PE rules temporarily during COVID-19, but those reliefs have largely expired and enforcement is back to normal.
What are the tax implications of permanent establishment?
A PE makes the company liable for corporate income tax on the profits attributable to that PE. It also brings registration, filing, and often payroll and indirect tax obligations. Get it wrong and a tax authority can assess back taxes, penalties, and interest retroactively, which is usually the most painful outcome.
PE is not the same as full tax residency. A PE taxes only the profits attributable to it under the arm’s-length principle. Corporate tax residency, set by place of incorporation or place of effective management, taxes worldwide income. The IRS confirms that under U.S. treaties a PE means a fixed place of business such as a branch, office, factory, warehouse, or mining site, and that a dependent agent with habitual authority to conclude binding contracts also creates one.
How do tax treaties change permanent establishment rules?
Treaties override or narrow domestic PE rules, and most follow the OECD or UN Model. The main safe harbor is Article 5(4) of the OECD Model Tax Convention, which lists six exceptions for activities that are preparatory or auxiliary, such as storage, display, purchasing, and information gathering. UK guidance from His Majesty’s Revenue and Customs (HMRC) explains these Article 5(4) exceptions in detail.
The rules got stricter. BEPS Action 7 (2015) and the Multilateral Instrument (MLI) tightened these exceptions across thousands of existing treaties. The 2017 Update to the OECD Model, approved by the OECD Council on 21 November 2017, added an anti-fragmentation clause at Article 5(4.1) so a business cannot split one cohesive operation into small “auxiliary” pieces. A person is “closely related” for these rules where one holds more than 50% of the beneficial interest in the other, per Article 5(8). Always verify the current treaty text.
Permanent establishment vs employer of record: which reduces risk?
An Employer of Record (EOR) removes the employment-law and payroll burden but does not eliminate PE risk. PE follows what the worker does, such as concluding contracts or generating revenue, not who issues the payslip. An EOR gives you a local legal employer, yet agency PE arguments can still surface if the worker binds your company. The table compares the three hiring routes honestly.
| Factor | Contractor | Employer of Record (EOR) | Own entity |
|---|---|---|---|
| Speed to hire | Fast | Fast | Slow |
| Misclassification risk | High | Low | None |
| PE risk mitigation | Low | Moderate | PE accepted deliberately |
| Best for | Short, genuine project work | 1 to 5 hires, market testing | Committed, scaled operations |
A contractor feels cheap and simple but carries hidden exposure. Many countries deem a full-time “contractor” a de facto employee, and a contractor who habitually concludes contracts can still create an agency PE. Model the trade-off with Commenda’s Entity vs EOR calculator before you commit.
How do you avoid permanent establishment risk for remote teams?
Limit in-country contract-signing authority, keep in-country activity preparatory or auxiliary, track days against treaty thresholds, and document every role. These four levers control the specific triggers in Article 5 of the OECD Model Tax Convention, so they cut real exposure rather than offering generic caution.
Keep contract negotiation and signing with staff at headquarters. Restrict remote roles to support work that fits the Article 5(4) exceptions. Watch the 183-day service threshold for anyone on assignment. Decide who signs before a deal is on the table, not after a tax authority asks.
What should be on your permanent establishment checklist?
Your checklist should test for a fixed place at your disposal, in-country contract authority, days against treaty thresholds, activities beyond preparatory or auxiliary, and the applicable treaty and model. Run it per country before you place anyone, because each factor maps to a separate PE trigger.
- Do we have a fixed place (office, warehouse, or continuously used home office) at our disposal in the country?
- Does anyone there habitually conclude or negotiate contracts on our behalf?
- Are those people dependent agents or genuinely independent under Article 5(6)?
- Are staff furnishing services beyond the 183-day service threshold?
- Do we have a construction or installation project over 12 months (OECD) or 6 months (UN)?
- Which treaty applies, and how did BEPS Action 7 and the MLI change its Article 5?
- Are board or management decisions being made in-country, raising residency risk?
When do you need to incorporate a foreign entity?
Incorporate when PE is unavoidable or already triggered, when headcount or revenue in-country makes an entity cheaper than PE exposure, or when local law requires it. Incorporation is also the answer when you need to sign local contracts, hold licenses, open local bank accounts, or bill locally. This is the decision the whole PE question builds toward.
An EOR or contractor still makes sense early, when the team is small and the market is unproven. Once activity is substantial, a deliberate taxable presence with clean filings beats an accidental PE found on audit.
How do you manage permanent establishment risk across multiple jurisdictions?
Centralize tracking of activities, days, and contract authority per country. Thresholds and treaty language differ jurisdiction by jurisdiction, and a spreadsheet misses the interactions between them. A live inventory of who is where, doing what, is the only reliable defense at scale.
Standardize role definitions to control signing authority, and reassess after every treaty or MLI change. Mix EOR in early markets with entities in mature ones. Country pages such as UK permanent establishment, France permanent establishment, and Netherlands permanent establishment show how far the rules drift between neighbors.
How Commenda helps you manage permanent establishment risk
Commenda’s entity management platform tracks your entities, filings, and deadlines once PE forces you to incorporate, so country 12 behaves like country 1. When it is time to set up abroad, Commenda’s incorporation service stands up the foreign entity and gets it filing-ready. Keep deadlines from every jurisdiction in one place with the compliance calendar, and pressure-test the hiring decision with the Entity vs EOR calculator.
Book a demo to get a PE exposure review for every country where your team works.
