Sylvan Labs Raises $10.9M Series A for AI Revenue Expansion Platform

Sylvan Labs, a San Francisco-based startup building AI-powered revenue-expansion software for B2B companies, has raised $10.9 million in Series A funding. The round was announced on September 2, 2026, with participation from HubSpot Ventures and TQ Ventures.

What Sylvan Labs Does

Founded in 2025, Sylvan Labs provides a platform that unifies post-sales signals scattered across CRM, support, billing, and product-usage systems. By consolidating this data, the platform identifies upsell, cross-sell, and churn-risk moments, and deploys AI agents that act on those insights across customer accounts. The goal is to help B2B companies drive revenue expansion and reduce churn.

Leadership

The company is led by co-founders Charles Li (CEO), Shangyan Li (CTO), and Ziv Wangenheim (CPO).

Funding Details

• Round: Series A
• Amount: $10.9 million
• Announced: September 2, 2026
• Investors: HubSpot Ventures, TQ Ventures

This new capital will support Sylvan Labs' growth and product development as it continues to address the challenges of revenue expansion in the B2B sector.