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Company Setup· 6 min read

Mauritian company setup in 2026: GBC / Authorised Company, substance, treaty network

Mauritius remains a relevant corporate jurisdiction for cross-border structuring. Here's the 2026 reality - substance, treaty access, and what really works.

Mauritius has been a substantive corporate jurisdiction for international structuring for decades. The framework has been reformed over the past years to align with international tax-cooperation requirements; what remains is a more sustainable model that rewards real substance and is unkind to paper structures. The 2026 vehicles that recur in our case work:

Domestic company

A standard Mauritian company doing business primarily in or with Mauritius.

Where it fits. Real Mauritian operations and the genuine domestic / regional market.

Global Business Corporation (GBC)

The modern successor to the historic GBC1 framework. Designed for genuine international business with real substance in Mauritius, accessing the treaty network, with specific tax treatment under current rules.

Where it fits. Cross-border structures with genuine Mauritian substance - office, employees, board, real decision-making.

Watch for. Substance requirements are real and tested. The era of "Mauritius company managed from elsewhere" is past for cases relying on the regime.

Authorised Company

A non-resident entity in Mauritius that does not benefit from treaty access. Used for specific structural purposes where treaty access isn't the goal.

Where it fits. Pure structural use cases without treaty-access need.

Substance under the modern framework

For GBCs and other tax-treaty-relevant entities, substance requirements include:

  • Adequate physical presence in Mauritius
  • Qualified employees on the ground
  • Core income-generating activities in Mauritius
  • Direction and management from Mauritius
  • Real activity matching the entity's described purpose

Mauritius doesn't apologise for the substance bar; it enforces it.

Banking

Corporate banking for Mauritian entities is selective. The framework rewards real substance with clear documentation. Sensitive sectors and shell structures face long onboarding or refusal.

Treaty network

Mauritius has a substantial treaty network covering many African, Asian, and European countries. The treaties have been the foundation of cross-border structuring through Mauritius for decades. Modern anti-abuse rules (Principal Purpose Test, Limitation on Benefits) apply across the network, requiring real substance for treaty access.

When Mauritius corporate setup makes sense

  • Genuine cross-border business with real Mauritian substance
  • Investment / holding structures with credible Mauritian rationale
  • Cases benefiting from specific treaty access matched to real activity
  • Funds and managed structures with substance

When it doesn't

  • Pure paper structures
  • Cases without substance plans
  • Cases relying on pre-reform framework assumptions
  • Cases where the home country's anti-abuse rules will override the structure

How we coordinate Mauritian setups

  1. Pick the corporate vehicle based on real business and structural needs.
  2. Build the substance plan from day one.
  3. Plan banking with formation.
  4. Plan treaty positioning carefully against the home country.
  5. Document everything for substance review.

Mauritius in 2026 is a real corporate jurisdiction for real cross-border activity.

Bordercase notes are informational and do not constitute legal, tax, or fiduciary advice.