TaxJar | A Stripe company
Software DevelopmentMassachusetts, United States11-50 Employees
TaxJar is a Boston, Massachusetts-based software development company with 11-50 employees. Founded in 2013, it focused on automating the sales tax lifecycle for e-commerce, covering calculations, nexus tracking, reporting, and filing. In 2021, TaxJar was acquired by Stripe, and its capabilities are now delivered through Stripe Tax, integrating with Stripe's wider payments and compliance offerings. New customers can manage global sales tax compliance via Stripe Tax, while existing TaxJar customers may continue to use the TaxJar platform. In 2026, CMS Max Inc. announced a partnership with TaxJar to provide sales tax automation for e-commerce stores.