Anrok

Anrok builds sales tax compliance software for software and SaaS companies, automating the full compliance lifecycle: nexus monitoring and exposure tracking, real-time tax calculation, return filing and payment remittance across jurisdictions. The platform is designed around modern software billing models and syncs with billing, payment and HR systems to remove manual compliance work. Its technical work spans tax and compliance automation, real-time rate calculation, and integrations with fintech and regtech systems.

The product covers 20+ US states and 100+ countries. Anrok states that automating compliance can save the average SaaS business up to 4.3% of revenue, and that 40% of companies on the Forbes AI 50 are customers. Named customers include Notion, Anthropic, Vanta, Mercury, Jasper and Sourcegraph.

The company serves SaaS, software, digital business and AI customers in the United States and globally. It is built for remote teams and positions itself as a tax solution engineered specifically for software billing models, focused on reducing manual work and exposure to compliance penalties.