StackOne, a SaaS platform that integrates AI agents into enterprise systems, has secured $20m (£15m) in a Series A round led by Google Ventures.
Founded to meet the demand from businesses to smoothly incorporate AI agents across various departments, StackOne’s system automatically builds use-cases and connects AI and SaaS tools to user tech stacks.
The startup claimed its system can turn weeks of developers writing custom logic for messy API integration into an automated process that takes a fraction of the time.
The company was founded by Romain Sestier and Guillaume Lebedel, both coming from software development backgrounds at firms including Google and Yieldify.
“For over a decade, Guillaume and I have felt the acute pain of integrations. We’d see teams burn months rebuilding or refusing requests and nothing on the market eased this pain,” said Sestier.
“So we, alongside a super talented and passionate team, built it ourselves. It’s the platform we’d always dreamed of, built for the AI future of SaaS, and it’s a vision shared by the whole team.
Joining Google Ventures in the Series A investment is Workday Ventures, XTX Ventures, Episode 1, Playfair and angels from firms including OpenAI, Deepmind and Microsoft.
“What impressed us most about StackOne is its ambition and clarity. Romain and Guillaume aren’t building just another SaaS integration platform. They’re creating infrastructure that modern software and the entire AI agent ecosystem can rely on,” said Luna Schmid, a partner at Google Ventures.
“The depth of secure integrations, the pace of delivery, and the team’s foresight into AI’s future uniquely position StackOne to redefine this category”
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