Nicolas Kopp

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Rillet raises $100M at $1 billion valuation in 48 hours

As of August 2026: Leading Rillet after closing the $100 million Series C

Rillet, an AI-native accounting startup, raised $100 million at a $1 billion valuation. The round closed in under 48 hours, after a board meeting where the company told investors its revenue had doubled in a quarter. It wasn't looking for money.

Updated Aug 31

Notable Quotes

"Less than 48 hours." — on X, describing how fast the Series C came together

from Rillet raises $100M at $1 billion valuation in 48 hours · Updated Aug 31

"Security is critical when working with sensitive client data." — to TechCrunch

from Rillet raises $100M at $1 billion valuation in 48 hours · Updated Aug 31