About Anrok
Anrok is the modern sales tax platform for software companies: real-time, transaction-level tax determination, registration, and filing across 100+ countries, wired into the billing stacks SaaS businesses actually use.
Founded in 2020 by Kannan Goundan and Michelle Valentine, Anrok raised a $55M Series C led by Spark Capital in October 2025 (over $100M total, with Sequoia, Index, and Khosla on the cap table). It serves 3,000+ companies, and its automated monitoring of global tax-law changes underpins the product's compliance engine.
Automated global tax-law monitoring combined with real-time transaction-level determination powers registration, calculation, and filing across 100+ countries with minimal manual research.
Highlights
- Used by 40%+ of the Forbes AI 50; customers include Notion, Anthropic, Vanta, and Cursor
- Raised $55M Series C (October 2025); $100M+ total from Spark, Sequoia, Index, and Khosla
- Serves 3,000+ companies in 100+ countries
Third-party reviews
Customers call it instrumental for sales and use tax compliance, though some report initial setup and integration friction.
Read on G2Ratings belong to the cited platforms and change over time — last checked August 2026. TaxAIs does not collect its own reviews; follow the links above for current scores and full review text.
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