The first believers in European science.

We back scientists and engineers building companies on hard technology, with a particular focus on Portugal and Spain.

[01] ABOUT US

Bondstone Ventures is a venture capital firm based in Lisbon, registered with the CMVM and part of the Bondstone group.

Our first fund, Maxwell Technologies I, invests at seed and early stage in DeepTech companies across Europe, with a particular focus on Portugal and Spain.

We back founders who combine deep technical knowledge with business sense, building technology that can create new markets or reshape existing ones.

[02] THESIS

/ GEOGRAPHY

Portugal and Spain. Selectively elsewhere in the EU

/ STAGE

Seed & early-stage

/ TICKET SIZE

€500,000 - €1,000,000

with follow-on capacity

/ SECTORS

01 / 08AI

Advanced AI

AI built for a specific scientific or industrial problem, where the advantage comes from proprietary data, domain knowledge or specialized hardware. This includes AI accelerators and neuromorphic chips, and AI for industry, science and critical infrastructure.

Out of our scope: general-purpose foundation models.

[03] TEAMWe have backgrounds in venture capital, finance, engineering, physics and operations, and have worked at firms including Morgan Stanley, Schlumberger, Buenavista Equity Partners, Apex, Farfetch and 500 Global.