Our Tax Guide provides key information on the tax laws of all the tax jurisdictions that we cover. If you want to understand the basic features of the corporate tax landscape of a country, this Tax Guide would come in handy.
Streamline international tax planning and compliance across your global operations
Deliver accurate cross-border guidance with comprehensive jurisdiction coverage
Optimize tax structures and ensure compliance across 129+ jurisdictions
International tax planning requires navigating complex treaty networks, withholding tax rules, and rapidly changing legislation across multiple jurisdictions—all while managing compliance risk and optimizing tax efficiency.
Hours spent researching treaty provisions and tax rates across jurisdictions
Difficulty comparing scenarios and determining optimal tax structures
Exposure to penalties from outdated or incorrect tax information
Reliance on scattered spreadsheets and inconsistent data sources
Work with effective corporate tax rates for 125+ tax jurisdictions!
Work with effective capital gains tax rates for 125+ tax jurisdictions!
Work with effective withholding tax rates for 125+ tax jurisdictions!
Up-to-date commentaries on key aspects of corporate tax system in 125+ tax jurisdictions.
Find information on general and special anti-avoidance rules in place in 125+ tax jurisdictions.
Find information on thousands of tax treaties concluded or currently in effect in 125+ tax jurisdictions.
Choose source and destination countries
Specify payment type and amount
SEngine calculates applicable rates
Review alternative structures
Generate reports and documentation
Transform how your team approaches international tax planning with tools designed for accuracy, efficiency, and confidence.
Reduce research time by up to 75% with instant access to tax data
Minimize compliance risk with regularly updated legislative data
Increase accuracy with automated calculations and built-in validation
Scale globally with consistent methodology across all jurisdictions
Support strategic decisions with scenario modeling and comparisons
Improve audit readiness with comprehensive documentation trails
Comprehensive analysis with supporting citations
Side-by-side structure analysis
PDF, Excel, and CSV formats
Trusted by tax professionals worldwide since 1989, with a proven track record in international tax technology
Built by tax experts with deep knowledge of treaty networks and cross-border taxation
Designed specifically for corporate tax teams and advisors handling complex international matters
Join leading multinational enterprises and tax advisors who rely on COMTAX® for accurate, efficient cross-border tax analysis.