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May 6, 2025

Exclusive: GV backs AI startup StackOne in $20m funding round

Angels from OpenAI and DeepMind among those backing London-based SaaS integration startup

Martin Coulter

2 min read

StackOne, an AI startup based in London, has raised a $20m Series A funding round led by GV. 

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StackOne cofounders Romain Sestier and Guillaume Lebedel
StackOne cofounders Romain Sestier and Guillaume Lebedel
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Martin Coulter

Martin Coulter is Sifted's news editor, based in London. You can follow him on LinkedIn and X

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