Building Europe’s technology future requires more than capital
At Bondstone, we combine scientific expertise with financial discipline to back Deep Tech companies defining tomorrow’s markets. Our team brings multidisciplinary experience across venture capital, finance, engineering, physics, and entrepreneurship – enabling us to evaluate both technical feasibility and market potential with equal rigor.
We identify high-potential innovations through diligent technical, business and market assessments. Once invested, we stay actively involved as partners throughout the growth journey, providing strategic and operational guidance.
Venture Capital
OUR APPROACH IS BUILT ON THREE PILLARS:
Technical Depth:
Deep domain expertise to evaluate breakthrough technologies and support Founders in navigating complex scientific and engineering challenges.
Disciplined Selection:
Systematic investment process balancing innovation potential with commercial viability and scalability.
Active Partnership:
Hands-on collaboration with Founders from initial investment through subsequent funding rounds and beyond.
Our goal is to deliver superior risk-adjusted returns by backing exceptional Founders building category-defining companies at the intersection of Deep Tech breakthrough innovation and large market opportunities.
Investment Thesis
We invest in Seed and Early-Stage European companies developing breakthrough Deep Tech solutions with global scaling potential.
Our focus sectors include:
Novel AI
Quantum computing
Space Tech
Robotics
Dual-use technologies
Computational Biology
Advanced materials
Energy technologies
Investment Parameters
Stages
Seed and Early-Stage
Check Size
€500K to €1M initial investment
Ownership
Target 5-20% equity stake with follow-on capacity
Geography
South European-focused (Portugal, Spain and France) with selective pan-European coverage
We look for companies to address large, growing markets where European research excellence and talent density create competitive advantages.
We back founding teams who combine technical excellence with entrepreneurial drive – scientists and engineers who understand both the technology and the market.
Our investment approach emphasizes Founder skills, technical validation, and clear path to product-market fit. We provide the capital and expertise the Founders need to scale from proof of concept through market leadership.
Investors
We are stewards of capital, not just managers of it.
We treat our investors’ capital as our own, building relationships grounded in long-term trust.
We operate according to the following core principles:
Alignment: Our success depends on yours.
Transparency: Clear, consistent communication on performance, risks, and opportunities.
Ethics: We uphold the highest professional and moral standards.
Innovation: Leveraging data-driven and technology-enhanced methods to uncover opportunities overlooked by traditional approaches.
Entrepreneurs
We go beyond capital – we build partnerships.
Our multidisciplinary team—with experience spanning venture capital, finance, engineering, physics, and entrepreneurship—provides hands-on support throughout your company’s growth journey.
Beyond Capital, We Provide: