Global Mobility Is Redefining Tax Risk
What the OECD Consultation Revealed

The recent OECD consultation held in Paris in January 2026 highlighted a clear shift:

Global mobility is no longer just an HR or expatriate issue, it is a core tax and business risk.

As remote work, hybrid models, and cross-border flexibility become standard, traditional tax frameworks are struggling to keep pace.

From Assignments to Continuous Mobility

Historically, global mobility was structured and predictable: defined assignments, clear timelines, and known compliance obligations.

That model is no longer dominant.

Today’s workforce operates across:

* Remote work arrangements
* Hybrid cross-border patterns
* Short-term travel with long-term impact
* “Work from anywhere” expectations

The result is a more fluid and continuous form of mobility, one that creates new layers of tax complexity.

Where the System Is Struggling

1. Lack of Clear Definitions

Key concepts like “remote work” or “temporary presence” are not consistently defined across jurisdictions.

Without clarity, compliance becomes difficult to scale for both employers and employees.

1. Overlapping Tax Exposures

Mobility is no longer limited to personal income tax.

It now intersects with:

* Corporate tax
* Transfer pricing
* Permanent establishment (PE) risk
* Payroll and reporting obligations

These areas often operate under different rules — creating misalignment.

1. The Rise of ‘Micro-PE’ Risk

One of the most notable developments is the emergence of smaller, fragmented tax footprints.

Repeated short-term presence across employees can create a level of activity that begins to resemble a permanent establishment even without a formal setup.

1. Transfer Pricing Complexity

As employees work across borders, determining:

* where value is created
* which entity benefits
* and how costs should be allocated

becomes significantly more complex.

4. Limited Visibility for Employers

In flexible working environments, companies often lack real-time visibility over where employees are working.

Yet tax obligations may arise from day one, creating a growing compliance gap.

A Structural Shift, Not a Temporary Challenge

What emerged clearly from the consultation is this:

The current tax framework was not designed for a borderless workforce.

At the same time, businesses are under pressure to:

* attract global talent
* enable flexibility
* remain competitive

This creates a tension between operational reality and regulatory structure.

What Comes Next?

There is a growing push toward:

* clearer definitions of modern work patterns
* better alignment across tax systems
* practical frameworks such as safe harbours
* simplified compliance mechanisms

However, meaningful change will take time. ooo

How Porte Consulting Approaches Global Mobility

At Porte Consulting, global mobility is approached as a structural issue not a standalone compliance task.

This includes:

* Assessing cross-border tax exposure across individuals and entities
* Aligning mobility with corporate structure and transfer pricing models
* Building frameworks that balance flexibility with control

Because in today’s environment, mobility is not just about where people work.

It’s about how that work is structured across jurisdictions.

Final Thought

Global mobility is no longer an exception.

It is becoming the norm.

And as it does, tax risk is becoming more distributed, less visible, and more complex.

The challenge is no longer mobility itself but making it sustainable.