Directory profile

PolyAI

London-based conversational-AI platform serving large enterprises with realistic, multilingual voice agents in financial services, hospitality and telecoms.

Updated 29 April 2026 ยท British Startup index

Profile

PolyAI builds production-grade voice agents trained on its proprietary models and serves brands including Marriott, FedEx and Hopper, becoming a UK unicorn in 2024.

British link

Headquartered in London; spun out of University of Cambridge research.

Sectorai
Stagegrowth
Funding$120M+ (unicorn)
Employees250+
Founded2017