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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
—

PolyAI key facts

as of Oct 2026
  • Developer of a conversational artificial intelligence platform designed to facilitate human-machine voice interaction.
  • PolyAI is valued at approximately $570.4M as of Oct 2026 (last reported valuation).
  • It has raised $223.0M; the latest was Later Stage VC ($85.2M) in Dec 2025.
  • Notable investors include Plug and Play Tech Center, Alumni Ventures, Transpose Platform Management, Khosla Ventures, Entrepreneurs First — 30 tracked in total.
  • 1 investment vehicle was formed to buy PolyAI shares in the last 12 months, reporting $725K sold to 51 investors, per SEC Form D filings.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$570.4M

PolyAI's last reported valuation, Dec 2025. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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PolyAI funding rounds

No rounds on record

No funding rounds for PolyAI are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Vehicles formed to buy PolyAI shares

secondary demand · SEC Form D filings

In the last 12 months, 1 investment vehicle were formed to buy PolyAI shares, reporting $725K sold to 51 investors. Most recent filing Jan 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 1 vehicle →

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PolyAI valuation

PolyAI's last reported valuation was $570 million in Dec 2025. No priced round, secondary trade or fund mark has surfaced since.

Institutional holders and vehicles

In the last 12 months, 1 investment vehicle was formed to buy PolyAI shares, reporting $725,000 sold to 51 investors, per SEC Form D filings (most recent Jan 2026).

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.

About PolyAI

Developer of a conversational artificial intelligence platform designed to facilitate human-machine voice interaction. The company's platform employs machine learning and natural language processing to offer data collection and content curation, enabling developers to design human-like interactions with digital entities and create voice-driven experiences.

Sector
Information Technology
HQ
London, United Kingdom
Founded
2017
Employees
270
Website
poly.ai/
Ownership
Privately Held (backing)

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