Deep-tech VC, Madrid
Bullnet Capital
Venture capital firm · Madrid · Founded 2001
Quick read
Bullnet Capital is a deep-tech VC founded in 2001, headquartered in Pozuelo de Alarcón (Madrid), Spain. Founded by former research professors Miguel del Cañizo and Javier Ulecia, the firm has spent over two decades backing university and research-centre spinouts in photonics, microelectronics, enterprise software, and medical devices. Its fourth fund, backed by a €28M EIF commitment, now manages a cumulative ~€140M across four vehicles.
Key facts
- Founded
- 2001
- Founders
- Javier Ulecia, Miguel del Cañizo
- Employees
- 1-10
- Sectors
- enterprise, hardware, ai, healthcare
- Website
- bullnetcapital.com
Investment thesis
Bullnet Capital backs early-stage deep-tech spinouts from Spanish universities and research centres, focusing on companies with proprietary technologies in enterprise software, photonics, microelectronics, medical devices, and scientific instrumentation. The firm takes a hands-on role in portfolio management, acting as a strategic partner from day one rather than a passive capital provider.
Recent activity
- Apr 2026investmentBullnet Capital led an investment round in Impetux Optics, a University of Barcelona spin-off focused on advanced microscopy technology. ecosistemastartup.com
- Apr 2025fundraiseBullnet Capital launched the Bullnet Opportunity Fund, targeting 20–25 million euros. The vehicle is earmarked exclusively for follow-on investments in existing portfolio companies originally backed by Bullnet Capital II and III, with a focus on university and research-centre spin-offs. elreferente.es
- Jan 2025pressCapital & Corporate published an interview with founding partners Javier Ulecia and Miguel del Cañizo, covering Bullnet Capital's nearly 25-year history in deep tech and the current status of Bullnet Capital IV, which is in its final investment phase. es.linkedin.com
- May 2024investmentBullnet Capital made a follow-on investment in MLCode, a Barcelona-based startup building a software platform for AI data management and LLM risk monitoring. MLCode had received its first Bullnet investment in June 2023. mlcode.io
- Jul 2023investmentBullnet Capital led a funding round in Deep Detection, an IFAE spin-off developing X-ray inspection technology for food safety. TTAF, Vigo Ventures, and Intempo Ventures co-invested. ifae.es
- May 2026investmentEJASO advised Bullnet Capital on a €2.5M investment in Impetux Optics, a Universitat de Barcelona spin-off specialising in advanced photonic instrumentation for life sciences. The round is backed by the EU's InnovFin SME Guarantee under Horizon 2020. ejaso.com
- May 2026investmentBullnet Capital led a €2M seed round in FlexiIC (also referred to as FlexilC), a CSIC/IMB-CNM spin-off developing flexible organic integrated circuits using thin-film transistor technology. The capital will accelerate industrialisation, engineering hires, and OEM commercial agreements. europapress.es
- Apr 2026investmentBullnet Capital led a round in Impetux, a Universitat de Barcelona spin-off building advanced photonic instrumentation for life sciences. Funding targets commercial launch of its confocal system and scaling of its optical tweezers systems, with an exit via acquisition in the microscopy sector as the stated goal. europapress.es
- Apr 2025fundraiseBullnet Capital launched the Bullnet Opportunity Fund, sized at €20–25M, targeting follow-on investments in portfolio companies originally backed by Bullnet Capital II and III. The firm is in discussions with existing LPs, new private investors, the European Investment Fund, and Next Tech. elreferente.es
- May 2024investmentBullnet Capital made a follow-on investment in MLCode, a Barcelona-based AI data management and security startup founded in early 2023. MLCode's platform monitors LLM usage and mitigates emerging data risks. mlcode.io
- May 2025fundraiseBullnet Capital launched its fourth fund, Bullnet Capital IV, with seven portfolio companies already committed under it. linkedin.com
- Nov 2024fundraiseEuropean Investment Fund invested €28M in Bullnet Capital IV, earmarked for deep-tech and technology-transfer projects in Spain. eif.org
Notable investments
- Impetux OpticsUndisclosedApr 2026ecosistemastartup.com
- MLCodeSeedMay 2024mlcode.io
- Deep DetectionUndisclosedJul 2023ifae.es
- Inspiration-QSeedUndisclosedcrunchbase.com
- FYLASeries BUndisclosedcrunchbase.com
- WooptixSeries BUndisclosedsuperscout.co
- Impetux OpticsUndisclosed (€2.5M)Apr 2026ejaso.com
- FlexiIC (FlexilC)Seed (€2M)May 2026europapress.es
- Mapsi PhotonicsSeed (€1.5M)Undisclosedmapsiphotonics.com
- 2EyesVisionSeries AUndisclosed2eyesvision.com
- Mapsi PhotonicsSeed2024mapsiphotonics.com
- AGPhotonicsSeed2023es.linkedin.com
Key people
Named individuals at the firm. We don't expose direct email or phone — use their LinkedIn for outreach.
- Javier Ulecia · Founding Partner
- Miguel del Cañizo · Founding Partner
- Jorge Fernandez Quesada · Partner
- Pedro Sainz de Baranda · Founder & Managing Partner
- Javier Rubio · Founding Partner
Sources
- Bullnet Capital | LinkedIn
- EIF invests €28M in Bullnet Capital IV
- Bullnet Capital – Tracxn Investor Profile
- Bullnet Capital | EU-Startups
- MLCode Raises Seed Round with Bullnet Capital
- Mapsi Photonics Welcomes Bullnet Capital as Investor
- Bullnet Capital – CB Insights
- Bullnet Capital – Crunchbase
- https://ejaso.com/medios/ejaso-asesora-a-bullnet-capital-en-su-inversion-de-2-5-millones-de-euros-en-impetux-optics
- https://www.europapress.es/economia/finanzas-00340/noticia-bullnet-capital-lidera-ronda-inversion-millones-euros-flexilc-20260507123713.html
- https://www.europapress.es/economia/finanzas-00340/noticia-bullnet-capital-lidera-ronda-inversion-impetux-20260430135027.html
- https://es.linkedin.com/company/bullnet-capital
- https://elreferente.es/venture-capital/bullnet-capital-anuncia-el-lanzamiento-de-su-nuevo-fondo-bullnet-opportunity-fund/
- https://ecosistemastartup.com/bullnet-capital-invierte-en-impetux-spin-off-ub-levanta-fondos/
- https://www.ifae.es/news/2023/07/20/bullnet-capital-leads-new-investment-in-the-ifae-spin-off-deep-detection/
Other VCs in Spain
- Seaya Ventures · Multi-stage VC, Madrid·
- Kibo Ventures · Multi-stage VC, Madrid·
- K Fund · Early-stage VC, Madrid·
- JME Ventures · Early-stage VC, Madrid·
- Samaipata · Early-stage VC, Madrid + Paris·
- Nauta Capital · B2B VC, Barcelona + London
Explore VCs by sector
Globally
Frequently asked
What is Bullnet Capital?+
Bullnet Capital is a deep-tech VC founded in 2001, headquartered in Pozuelo de Alarcón (Madrid), Spain. Founded by former research professors Miguel del Cañizo and Javier Ulecia, the firm has spent over two decades backing university and research-centre spinouts in photonics, microelectronics, enterprise software, and medical devices.
Where is Bullnet Capital headquartered?+
Bullnet Capital is headquartered in Madrid, Spain.
When was Bullnet Capital founded?+
Bullnet Capital was founded in 2001 by Javier Ulecia, Miguel del Cañizo.
What sectors does Bullnet Capital invest in?+
Bullnet Capital focuses on enterprise, hardware, ai, healthcare. They primarily invest in these sectors.
How do I prepare for a meeting with Bullnet Capital?+
Brief generates a structured pre-meeting briefing on any person at Bullnet Capital — quick read, recent activity, points of view, and conversation openers tailored to what you sell. Sign in to get personalised openers for your product.
Meeting with someone at Bullnet Capital?
Brief generates a structured pre-meeting briefing on any person in seconds.
Try Brief →Generated by briefthecall.com from public web sources. Last updated July 9, 2026. Each claim is linked to its source above.
Automatically generated by AI from public sources. May be inaccurate or out of date. Remove or correct this profile →