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
—
What is PolyAI worth?
$570.4Mlast reported valuation · Oct 2026

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

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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PolyAI funding history

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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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).

How PolyAI's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For PolyAI, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by last reported valuation. Question about this number? Full methodology →

Frequently asked about PolyAI

What is PolyAI worth?
PolyAI is valued at $570.4M as of Oct 2026. PolyAI's last reported valuation, Dec 2025. Nothing priced has surfaced since.
How much has PolyAI raised?
PolyAI has raised $223.0M in total funding across its recorded rounds.