Pillar Two Analysis:

Pillar Tools

Simplified ETR Safe Harbour

Sample Excel File for the Simplified ETR Safe Harbour

On January 5, 2026, the OECD Released Guidance on amendments to the Pillar 2 rules for the Side-by-Side Tax Package. This includes a new Simplified ETR Safe Harbour from December 31, 2026 (December 31, 2025 in certain cases). We provide an excel overview for the key elements of the Safe Harbour calculation.

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Pillar Two: AI Powered Research Tool

Pillar Two: AI-Powered Research Tool

Members have access to our Pillar Two AI-powered Analysis Tool.  This is a custom AI model trained on Pillar Two data from our members-only content including our Pillar Two Navigator and Jurisdictional analysis. 

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Blended CFCI mage

Blended CFC Calculator

For fiscal years that begin on or before 31 December 2025 but not ending after 30 June 2027, the OECD Administrative Guidance includes a simplified formula to allocate CFC taxes in blended CFC regime. Use our simple calculator.

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OECD CbC Data

Updated Pillar 2 Modelling Tool – OECD CbC Data

Our Modelling Tool takes the underlying source data from the OECD aggregated CbC source data and subjects it to a data manipulation process to provide a drill down into some of the key metrics and data sources that are relevant for Pillar Two on a jurisdictional basis. 

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IIR Calculator

Income Inclusion Rule Calculator

Use our members Income Inclusion Rule Calculator to see how the IIR applies. Enter details of the low-taxed entity including jurisdictional GloBE income and other relevant information to determine top-up tax payable by the parent company. 

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