Portugal and Turkey signed a first-time tax treaty on 11 May 2005.

Empower your team with the content-driven International Tax Platform

Cross-border tax analysis and data

The AI assistant for tax questions

Unify and empower your entity management

Provides compliance steps, forms & rates

Visualize and manage your entity data

Complete global tax compliance

Country-by-country reporting & compliance

Comprehensive compliance management

Pillar 2 planning, reporting and compliance

Audit and global tax controversy tracking

Calculate US tax impact of foreign operations

Manage reportable cross-border arrangements

Automated tax workflows with secure APIs.

Collaborate securely on your tax data