Deeptech startups to watch 2023

Pro

Analysis

March 26, 2026

These were the most active deeptech investors in 2025

Sifted tracked the 97 busiest cheque writers, in a year that saw investments rise 61%

Investors poured just over €13.5bn into European deeptech startups in 2025, according to Sifted data — up 61% on 2024 investment.

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Ruggero Di Spigna

Ruggero Di Spigna is a Senior Insights & Product Associate at Sifted. Find him on LinkedIn

Hessa Alabbas

Hessa Alabbas is a data analyst at Sifted, based in London. You can find her on LinkedIn.

Deeptech & AI

Deeptech & AI

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The people, companies and trends shaping European AI and deeptech.