PolyAI

PolyAI is a London-based conversational AI company founded in 2017 by Cambridge machine-learning researchers that builds voice assistants, which it calls customer experience agents, capable of handling natural, open-ended customer service calls for enterprises in banking, hospitality, retail and telecoms. Its systems handle millions of customer interactions, and it raised a 50 million dollar round in 2024 at a valuation of around 500 million dollars.