Series D · AI & Machine Learning · London, United Kingdom · Founded 2017 · 150–200 employees
PolyAI is a London-based enterprise conversational AI company founded in 2017, specializing in AI-powered voice assistants designed to handle complex customer service interactions at scale. Its technology enables understanding of intent, management of multi-step workflows, and integration with enterprise systems. With clients like FedEx, Marriott, and UniCredit, PolyAI has raised significant funding, including a €73.2 million Series D round in December 2025, to further develop its platform and expand globally.