Anrok Raises $55 Million Series C

Anrok, a San Francisco, CA-based global sales tax compliance platform for digital businesses, has raised $55 million in Series C funding, bringing its total funding to over $100 million.

The round was led by Spark Capital, with participation from Sapphire Ventures and existing investors Khosla Ventures, Sequoia Capital, and Index Ventures.

Spark Capital is a multi-stage venture capital firm that invests in disruptive technology companies across all stages, from seed to growth. The firm focuses on sectors such as consumer internet, enterprise software, fintech, AI, and media. Headquartered in San Francisco, with additional offices in New York and Boston.

The company will use the funding to accelerate product partnerships, expand its R&D investments in AI, and drive innovation in global sales tax compliance automation.

Founded in 2020, Anrok is a company that provides an end-to-end global sales tax compliance platform built for modern businesses. Its platform automates global sales tax compliance, offering full coverage across jurisdictions and countries. Anrok enables organizations to calculate and file taxes automatically across more than 100 countries and all U.S. states, monitor tax nexus, and automate filings and remittances. Headquartered in San Francisco, California, the company serves over 3,000 global clients, including Anthropic, Notion, Clay, and Cursor.

Funding Details

Company: Anrok, Inc.

Raised: $55.0M

Round: Series C

Funding Date: October 2025

Lead Investor: Spark Capital

Additional Investors: Sapphire Ventures, Khosla Ventures, Sequoia Capital, Index Ventures

Company Website: https://www.anrok.com/

Software Category: Sales Tax Compliance / Fintech / AI SaaS