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Rillet raises $100 million Series C funding at $1 billion valuation

Funding Provisional 95% confidence first seen

AI accounting startup Rillet reached unicorn status with a $100 million Series C funding round led by ICONIQ, achieving a $1 billion valuation. The AI-native platform, which automates accounting workflows and positions itself as a replacement for legacy ERP systems, now serves over 600 customers and has doubled ARR multiple times.

Nicolas Kopp Rillet Andreessen Horowitz ICONIQ Mercor NetSuite Neuralink Oracle SAP Sequoia Capital

The deal

Rillet $100 million Series C · announced 19 Aug 2026

Investors ICONIQ Sequoia Capital Andreessen Horowitz

Deal terms as reported in the coverage below.

Source coverage

Exclusive: Accounting AI startup Rillet reaches unicorn status with $1 billion valuation. Its founder says he wants to give CFOs back their weekends Fortune independent AI accounting startup Rillet becomes a unicorn with $100M Series C led by ICONIQ Tech Funding News independent

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