Series C · Fintech

Rillet raises $100m Series C at a $1bn valuation

ICONIQ leads the financing as the accounting platform moves further into enterprise deployments.

Rillet’s third financing in 14 months brings its total raised to more than $200 million. The company says it now serves over 600 customers, including public companies and businesses with billions of dollars in revenue.

The expansion reaches beyond smaller finance teams. ICONIQ reports that accounting firms are building implementation practices around Rillet, providing a route into larger organizations whose software changes require substantial deployment support.

Funding history

Series C · This round$100M

Sources

  1. Rillet raises $100m Series Crillet.com
  2. ICONIQ leads Rillet Series Ciconiq.com · Aug 18, 2026