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December 15, 2025

Nvidia’s VC arm backs PolyAI in $86m Series D round

British Business Bank contributes £15m to conversational AI startup

Freya Pratty

2 min read

London-based PolyAI has raised a $86m Series D round to develop its conversational AI for businesses, backed by Nvidia’s VC arm NVentures.

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Freya Pratty

Freya Pratty is Sifted's associate editor. She covers UK tech and leads Sifted's investigations. Follow her on X , LinkedIn and Bluesky

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