Pillar 2 & Global Minimum Tax — UK Compliance Services

Expert guidance on OECD Pillar 2 model rules, GloBE calculations, safe harbour analysis, and 15% minimum tax readiness.

  • Pillar 2 impact assessment
  • GloBE calculation support
  • Safe harbour analysis 
  • GloBE Information Return prep

Request Your Pillar 2 Readiness Check

Our Pillar 2 specialists will model your group exposure and provide a clear compliance roadmap.

MNCs Advised
50 +
Jurisdictions Covered
40 +
Years of Expertise
15 +
Reports Delivered
450 K+
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End-to-End Pillar 2 Compliance Services

We guide UK multinationals through every aspect of Pillar 2, from impact assessment to GloBE Information Return filing.

Pillar 2 Impact Assessment

Model your group exposure to top-up taxes across every jurisdiction

GloBE Calculation Support

Prepare GloBE income, adjusted covered taxes, and ETR calculations

Safe Harbour Analysis

Identify jurisdictions qualifying for transitional safe harbours

GloBE Information Return

End-to-end preparation and filing of the GloBE Information Return

UK MTT Compliance

UK Multinational Top-up Tax specific compliance and reporting

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Is Your Group Pillar 2 Ready?

We assess your readiness for the global minimum tax across all jurisdictions.

  • GloBE income calculations prepared 
  • Effective tax rate analysis complete
  • Safe harbour eligibility reviewed
  • Top-up tax exposure quantified
  • GloBE Information Return drafted
  • UK MTT obligations assessed
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Navigating Pillar 2 Compliance

1

Impact Assessment

Model your Pillar 2 exposure across all jurisdictions

2

GloBE Calculations

Compute GloBE income, covered taxes, and ETR

3

Safe Harbour Review

Determine transitional safe harbour eligibility

4

Return Preparation

Prepare and file the GloBE Information Return

5

Ongoing Monitoring

Track regulatory developments and future reporting

Why Choose Our Pillar 2 Experts?

GloBE Rules
Specialists

Deep expertise in Pillar 2 rules and OECD commentary

Early Adopter
Advisory

Advising multinationals since rules were first proposed

Multi-Jurisdiction
Modelling

ETR analysis across 40+ jurisdictions

UK MTT
Specialists

Dedicated UK Multinational Top-up Tax expertis

Frequently Asked Questions

What is Pillar 2 and the global minimum tax?

Pillar 2 is an OECD framework that imposes a 15% global minimum effective tax rate on multinational groups with consolidated revenue of EUR 750 million or more. If a group’s effective tax rate in any jurisdiction falls below 15%, top-up taxes are applied to bring the rate to the minimum. This ensures large multinationals pay a fair share of tax globally.

The UK implemented Pillar 2 through the Multinational Top-up Tax (MTT), effective for accounting periods beginning on or after 31 December 2023. The UK also introduced a Domestic Top-up Tax (DTT) from the same date to ensure UK profits are taxed at the 15% minimum before other jurisdictions can levy top-up taxes.

The GloBE Information Return is the standardised filing required under Pillar 2 rules. It contains jurisdiction-by-jurisdiction data on GloBE income, adjusted covered taxes, effective tax rates, and any top-up tax liabilities. UK groups must file this with HMRC within 15 months of the fiscal year-end (18 months for the first year).

Transitional safe harbours allow qualifying multinational groups to avoid detailed GloBE calculations for certain jurisdictions during the initial years of Pillar 2 implementation (2024-2026). If a jurisdiction meets specific tests based on Country-by-Country Report data, the top-up tax for that jurisdiction is deemed zero, significantly reducing compliance burden.

Pillar 2 compliance costs vary based on the number of jurisdictions, the complexity of your group structure, and the level of support needed. We offer services from initial impact assessments to full GloBE Information Return preparation. Contact us for a free scoping discussion.