The 97 busiest deeptech cheque writers
Investors funnelled just over €13.5bn into European deeptech startups in 2025, according to Sifted data — up 61% on 2024 investment.
Included in the ranking below are Public funding, VC funds, accelerators, corporate investment arms and individual angel investors.
Sifted tracked all publicly announced European deals completed in 2025 and contacted investors to verify their deal counts. Some investors may have made additional unannounced or private investments that are not reflected in the data.
Deal count includes investments in European tech companies founded after 2005. Investors are ranked by the number of deals completed in 2025, and then by average deal size.
Note: if there are any investments missing from this list, or something needs updating, please let us know by email at rankings@sifted.eu
Last updated: 20 March 2026