PolyAI

London, United Kingdom · Founded 2017 · Privately Held (backing)

Developer of a conversational artificial intelligence platform designed to facilitate human-machine voice interaction. PolyAI is based in London, United Kingdom and was founded in 2017. Its last reported valuation was $570 million in Dec 2025. It has raised $223 million.

Last reported valuation
$570.4M
Oct 2026
Priced at
—
Total raised
$223.0M
Last round
—

Who backs PolyAI?

30 investors
InvestorType
Plug and Play Tech Center—
Alumni VenturesVenture capital
Transpose Platform ManagementVenture capital
Khosla VenturesVenture capital
Entrepreneurs FirstVenture capital
Tech Nation GroupOther
Nvidia—
London & Partners.Other
Free ElectronsOther
Citi VenturesVenture capital
+ 20 more investors · a free account shows the complete list
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PolyAI investors

30 investors are on record for PolyAI, including Plug and Play Tech Center, Alumni Ventures, Transpose Platform Management and Khosla Ventures. By type, the record holds 10 venture capital firms and 1 hedge fund.

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