Anrok Raises $55M Series C to Expand AI-Driven Global Sales Tax Compliance

Anrok, a San Francisco-based global sales tax compliance platform, has raised $55 million in a Series C funding round led by Spark Capital, with participation from Sapphire Ventures and existing investors including Khosla Ventures, Sequoia Capital, and Index Ventures. This latest funding brings Anrok's total capital raised to over $100 million and will be used to expand its AI-driven automation, enhance product partnerships, and support innovation in global tax compliance. Anrok serves more than 3,000 companies worldwide, including prominent AI and SaaS firms such as Anthropic, Cursor, and Notion, helping them automate VAT, GST, and sales tax compliance across more than 100 countries. By combining AI automation with expert human oversight, Anrok's platform significantly reduces the time finance teams spend on tax filings—by up to 90%—while ensuring accuracy and compliance amid complex, evolving regulations. The company has become essential infrastructure for fast-growing digital and AI businesses, with over 40% of Forbes AI 50 companies relying on its services to manage increasingly complex tax obligations as they scale globally. Anrok's approach addresses the growing challenges of global tax compliance, where the number of required filings and taxable revenue percentages dramatically increase as companies expand their operations.