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PolyAI 🇬🇧 Hiring · 3 open roles ↗

Series D

Enterprise platform for building, running, and adapting dialog agents that handle complex customer interactions.

About PolyAI

PolyAI offers an enterprise platform designed for building, running, and adapting dialog agents that facilitate complex customer interactions across various channels. The technology utilizes a proprietary model trained on over one billion enterprise conversations, ensuring compliance with standards such as SOC 2, HIPAA, and GDPR while maintaining a consistent brand voice.

PolyAI is a UK-based company founded in 2017, now around 350 people. It has raised $204.4M in disclosed funding, starting with a Seed. FundFinder classes it as Proptech & Construction.

Founded by Tsung-Hsien Wen (CTO and Co-Founder; previously Amelia, StorySense Computing; University of Cambridge), Shawn Wen (CTO and Co-Founder; previously Amelia, StorySense Computing; University of Cambridge), Nikola Mrkšić (Co-founder & CEO; previously Apple, VocalIQ Limited.; Mathematical Grammar School), Eddy Su (Co-founder; previously Trend Micro; University of Cambridge).

Company facts from Harmonic and public filings; team backgrounds from public profiles. Refreshed weekly.

Want the latest on PolyAI? Our research agent pulls the current description, latest round and full investor base from public sources (about a minute).

Hiring now · 3 live roles, checked daily

Series D · Dec 2025

  • Amadeus Capital Partners — Amadeus Capital Partners caters to the technology sector with seed, early, and later stage venture, and private equity investments. · cheques £1M – £15M
  • Entrepreneur First — Entrepreneur First brings ambitious founders together to build globally important technology companies. · cheques £50k – £100k
  • Passion Capital — Passion Capital is an early stage venture capital firm based in London. · cheques £200k – £1.5M

Funding history

● rounds tracked in this directory · ○ earlier rounds web-verified from public announcements. Amounts as announced; undisclosed rounds omitted.

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