EU Inc. Will Not Save You from European Complexity

Credits to Arne Zoudlik from Design Republic

The EU Inc. Regulation harmonises your legal wrapper. It changes almost nothing about the operational reality underneath it. Here is what founders need to understand before they assume EU Inc. alone solves their European expansion problem.

The EU Inc. legislative proposal has generated enormous excitement in the startup community, and for good reason. A single company form, registerable in 48 hours for €100, with zero minimum capital and a harmonised employee stock option scheme, is a genuinely significant step forward for European entrepreneurship.

But in the rush of enthusiasm, a more uncomfortable truth is being overlooked. EU Inc. harmonises the legal shell. It does not harmonise the operating environment inside that shell. Tax, payroll, labour law, and accounting all remain national. And for a founder building a company that operates across multiple EU countries, those four things are where most of the real complexity lives.

This article is not an argument against EU Inc. It is an argument for going into it with your eyes open. Understanding what EU Inc. changes and what it does not change is the only way to make an informed decision about whether it is the right structure for your company.

What EU Inc. Actually Harmonises

Before examining the gaps, it is worth being clear about what EU Inc. genuinely does. The Regulation creates a uniform company law framework. The governance rules are the same in every Member State. The share structure, the no-par-value default, the creditor protection mechanism, the EU Employee Stock Option scheme, the digital registration process and the filing obligations are all uniform. A Luxembourg EU Inc. and an Estonian EU Inc. have the same legal architecture.

For founders who have tried to navigate the differences between a German GmbH, a French SAS, and a Dutch BV when structuring a cross-border business, this is meaningful. Investor documents, shareholder agreements, and governance structures can be standardised across the EU for the first time. Legal costs for cross-border transactions should fall. The due diligence burden for cross-border investors should reduce.

These are real benefits. But they are company law benefits. They do not touch the four layers of operational complexity that sit beneath company law: permanent establishment, payroll, labour law, and accounting. Each of these remains entirely national, and each has significant practical consequences for any founder who assumes that one EU Inc. means one set of rules everywhere.

Permanent Establishment: The Tax Trap

Permanent establishment, or PE, is the legal concept that determines when a country has the right to tax a foreign business on the profits it generates within that country. It is one of the most consequential and least understood concepts in international tax law, and EU Inc. changes absolutely nothing about it.

How PE Works

The basic principle is straightforward: if your business has a sufficient presence in a country, that country has a tax claim on the profits generated there. What counts as sufficient presence varies by country and by tax treaty, but the most common triggers are a fixed place of business in the country, such as an office or workshop, or a dependent agent, typically an employee who habitually concludes contracts on the company’s behalf.

The consequence is immediate. A Luxembourg EU Inc. with one employee working from home in Germany has, in most circumstances, created a German permanent establishment. Germany then has the right to tax the profits attributable to that employee’s activity. The company must file German tax returns, comply with German corporate tax rules, and potentially register for German VAT. The Luxembourg registration does not shield it from any of this.

Why This Matters for EU Inc.

The promise of EU Inc. is that you can operate across the EU with one company. The PE reality is that operating across the EU with one company means managing tax exposure in every country where you have employees, offices, or significant customer activity. Each of those countries has a tax claim. Each requires its own tax filings. Each has its own rules about what constitutes a permanent establishment and how profits should be attributed to it.

This was true before EU Inc. and it remains true after it. EU Inc. does not create a unified EU tax territory. It does not override bilateral tax treaties between Member States. It does not change the OECD model convention on which most of those treaties are based. A founder who incorporates an EU Inc. and then hires employees in five countries has five PE exposures to manage, exactly as they would have with a network of local subsidiaries.

The difference is that with local subsidiaries, each country’s tax exposure is contained within a separate legal entity. With an EU Inc., all of that exposure sits within a single company, which can create more complex attribution and documentation requirements, not fewer.

Payroll: Fully Local, Always

Every employee in the EU is taxed where they physically work. This is not a quirk of specific national tax law. It is a fundamental principle of how income taxation works across all EU Member States and it is reinforced by every bilateral tax treaty in force.

What Local Payroll Actually Means

For a founder running an EU Inc. with employees in four countries, the payroll reality looks like this. Each employee must be enrolled in the social security system of the country where they work. Each country has its own contribution rates, its own thresholds, and its own administrative processes. The employer must register as an employer in each country, withhold income tax under each country’s rules, and remit contributions to each country’s social security authority on a monthly or quarterly basis.

In Germany, social security contributions split roughly 50/50 between employer and employee and cover health insurance, pension, unemployment, and care insurance under separate contribution rates. In France, employer social charges can reach 40% or more of gross salary depending on the level of pay. In the Netherlands, the system differs again. None of this is harmonised and EU Inc. does not harmonise any of it.

The Administrative Burden

The practical consequence is that an EU Inc. with employees in six countries needs payroll processes, payroll software, and typically payroll service providers in six countries. It needs to track regulatory changes in six jurisdictions. It needs to handle six sets of year-end tax reporting. It needs to manage six sets of employment benefit obligations, from pension contributions to holiday pay to sick leave entitlements.

This is not complexity that EU Inc. removes. It is complexity that any cross-border employer faces, regardless of their corporate legal form. Replacing six subsidiaries with one EU Inc. does not reduce the payroll footprint. It simply changes the entity under which that footprint is managed.

Labour Law: The Shell Does Not Change What Is Inside

Labour law in the EU is among the most persistently national areas of regulation. The EU has harmonised certain minimum standards through Directives, covering areas such as working time, collective redundancy, and the transfer of undertakings. But the implementation of those Directives varies significantly across Member States, and the vast majority of employment law detail remains national.

What Stays Local

Termination rules are perhaps the most consequential example. Dismissing an employee in France requires adherence to a specific procedure, mandatory consultation, and calculation of statutory severance based on years of service. Doing it wrong exposes the employer to significant financial liability. In Germany, the Protection Against Dismissal Act applies once a company has more than ten employees and the employee has been employed for more than six months, making dismissal of permanent staff a legally complex and time-consuming process. In the Netherlands, dismissal routes through either the employee insurance agency or the courts depending on the grounds. Each of these systems has its own logic, its own timelines, and its own risks.

Beyond termination, employment contracts must comply with local requirements. Minimum wage levels differ. Maximum working hours and rest period rules differ. Holiday entitlements differ. Probationary period rules differ. Collective bargaining agreements, which in some countries such as France and Italy apply to entire sectors regardless of whether a company has signed them, add another layer of country-specific complexity.

The Implication for EU Inc.

EU Inc. creates a harmonised corporate entity. It does not create a harmonised employer. The moment an EU Inc. hires its first employee in any Member State, it becomes subject to the full weight of that Member State’s employment law. The company’s registered office jurisdiction, whether Luxembourg, Estonia, or anywhere else, is irrelevant to the employment relationship. What matters is where the employee works.

This means an EU Inc. operating in six countries needs employment law advice in six countries. It needs locally compliant employment contracts in six languages. It needs locally compliant HR policies and procedures. It needs to understand six different systems for handling disciplinary procedures, performance management, and dismissal. None of this is simplified by the EU Inc. wrapper.

Accounting: The Gap Nobody Is Talking About

Of the four areas of persistent complexity, accounting is the one receiving the least attention in the EU Inc. debate. It deserves more.

Article 105 of the EU Inc. Regulation states explicitly:

“The EU Inc. shall be subject to the requirements of the applicable accounting law of the Member State in which its registered office is situated.”

This is a deliberate choice, not an oversight. The Regulation harmonises the disclosure obligation, ensuring that EU Inc. accounts are filed through the BRIS system and publicly accessible. But it defers entirely to national law on the standard under which those accounts are prepared.

What Accounting Fragmentation Means in Practice

A Luxembourg EU Inc. prepares its statutory accounts under Luxembourg GAAP. An Estonian EU Inc. prepares its accounts under Estonian GAAP. These are different accounting frameworks with different rules on revenue recognition, asset valuation, lease accounting, and financial instrument measurement. The companies may be legally identical under the EU Inc. Regulation. Their financial statements are not comparable without additional analysis.

For cross-border investors evaluating multiple EU Inc. companies, this creates friction. Due diligence on a Luxembourg EU Inc. requires understanding Luxembourg accounting rules. Due diligence on a Dutch EU Inc. requires understanding Dutch accounting rules. The legal wrapper is harmonised. The financial reporting language is not.

Why This Matters More as Companies Scale

The accounting gap becomes more significant as companies grow. For a pre-revenue startup with no complex financial transactions, the difference between national GAAP frameworks is manageable. For a scale-up raising a Series B, preparing for an acquisition, or exploring a public listing, the divergence between national accounting standards creates real costs: restatement work, reconciliation exercises, and the need for investors to apply their own adjustments before they can compare companies across jurisdictions.

The solution exists. IFRS is already EU law for the consolidated accounts of listed companies under Regulation (EC) No 1606/2002. Making IFRS the default for EU Inc. statutory accounts would be a targeted, politically feasible extension of an existing framework. But the current proposal does not do this. Until it is amended, EU Inc. companies will prepare accounts in 27 different national accounting languages.

So What Is the Real Value of EU Inc.?

Having laid out the complexity that EU Inc. does not remove, it is important to be clear about what it does provide, because the benefits are genuine and significant for the right type of company.

For a founder building a company that will be primarily investor-facing rather than operationally complex across many countries, EU Inc. offers real advantages. A single harmonised legal form that sophisticated investors across the EU understand, with no-par-value shares that make down rounds and SAFE conversions clean, a harmonised employee stock option scheme that does not create a tax bill at exercise, and governance rules that are the same everywhere. For a software company raising venture capital from pan-European funds, this is meaningful.

For a holding company or IP company that employs a small central team and licenses or distributes products across markets rather than hiring locally in each one, EU Inc. offers significant simplification. One entity, one set of governance rules, one filing regime, one legal framework.

The companies for whom EU Inc. is not the simplification it might appear are the ones building local teams in multiple countries, generating revenue in multiple tax jurisdictions, and trying to use a single legal entity to contain the full operational complexity of a multi-country business. For those companies, the PE exposures, the local payroll obligations, the country-specific labour law requirements, and the accounting divergence do not disappear. They just sit inside a single legal wrapper rather than being distributed across local subsidiaries.

Whether that is better or worse depends on the specific situation. In some cases, a single EU Inc. with multiple operational footprints is cleaner and cheaper than a network of subsidiaries. In others, local subsidiaries provide a useful legal and financial firewall between country operations that a single entity cannot. The choice requires careful analysis, not assumption.

The Verdict

EU Inc. is a genuine improvement to the European company law landscape. It will reduce friction for cross-border investment, simplify governance for pan-European startups, and make the EU a more competitive place to build a company. These are real achievements and should not be minimised.

But EU Inc. is not a solution to European fragmentation. It is a better legal vehicle for navigating that fragmentation. Tax stays national. Payroll stays local. Labour law stays national. Accounting stays national. The operational complexity of running a business across 27 different regulatory environments remains exactly what it was before.

The founders who will get the most out of EU Inc. are the ones who understand this clearly. They will use EU Inc. for what it is good at: harmonised legal architecture, clean investor documents, and a transparent cross-border governance structure. They will manage the operational complexity underneath it with the same rigour they would apply to any cross-border business, because that complexity has not gone away.

EU Inc. does not solve European fragmentation. It makes it impossible to hide from. And that clarity, uncomfortable as it is, is actually useful.

Note: This article is based on the European Commission’s legislative proposal for the 28th Regime Corporate Legal Framework (EU Inc.), COM(2026) 321 final, published on 18 March 2026. The proposal is subject to amendment during the ordinary legislative procedure. This article does not constitute legal, tax, or accounting advice.

Sources

[1] EU Inc. legislative proposal, COM(2026) 321 final, 18 March 2026 *https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:52026PC0321*

[2] OECD Model Tax Convention on Income and Capital *https://www.oecd.org/tax/treaties/oecd-model-tax-convention-available-products.htm*

[3] Directive 2013/34/EU on annual financial statements (Accounting Directive) *https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32013L0034*

[4] Regulation (EC) No 1606/2002 on the application of international accounting standards *https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32002R1606*

[5] Directive 2008/94/EC on the protection of employees on insolvency of employer *https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32008L0094*

[6] European Commission — Permanent Establishment guidance *https://taxation-customs.ec.europa.eu/taxation-1/corporate-tax_en*