Spark, Khosla, Sequoia Back Startup Bringing AI to Sales Tax

Investors are betting on new software tools to grapple with one of the thorniest problems in business and life — taxes.

Anrok Inc., a startup helping software companies automate sales tax compliance, has raised $55 million in a Series C funding round, more than doubling its valuation to $525 million, the company told Bloomberg. Spark Capital led the round, with participation from Sapphire Ventures, Khosla Ventures, Sequoia Capital and Index Ventures. Anrok’s customers include a number of fast-growing AI startups, like Anthropic, Mistral and the AI coding company Cursor.

Co-founder and Chief Executive Officer Michelle Valentine previously worked at Index Ventures, where ...