AI accounting startup Rillet completes $100 million Series C funding round, valuation reaches $1 billion

TechFlow News, August 19, according to Fortune, Rillet, an AI-native accounting platform founded only two years ago, announced the completion of a $100 million Series C funding round, with a valuation reaching $1 billion. The round was led by ICONIQ, with existing shareholders such as Sequoia Capital, Andreessen Horowitz, and Oak HC/FT participating, and new investors including Bain Capital Ventures and Battery Ventures joining. The company's cumulative total funding has exceeded $200 million.

Rillet is positioned as the first truly AI-native accounting platform, focusing on replacing traditional manual accounting processes with AI Agents. It can process hundreds of operations in parallel and generate complete audit trails. It currently serves over 600 clients, including top AI companies such as Neuralink and Mercor, with about 40% of clients coming from outside the tech industry.