William Barron

William Barron

Building the best tax residency app ever
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William Barron
Travel freely, stay compliant. Sarmiza counts your days in each jurisdiction, alerts you instantly, and exports spreadsheets with a tap. Navigate tax and visa rules with confidence — all offline.
Sarmiza: Travel Days Tracker
Sarmiza: Travel Days Tracker
Track US State Taxes and Visas
William Barron
Do I need a visa? Check visa-free countries, visa-on-arrival options, and travel visa requirements. Our passport checker simplifies your journey planning.
Travel Visa Checker
Travel Visa Checker
See your visa requirements for every country