Deep Tech startup ecosystem
We track 516 organisations in this sector across 6+ countries.
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Hermann Hauser Frontier Lab 2026 (September 2026)
A one-week intensive deep-tech commercialization program, successor to the I.E.C.T. Summer School, for ambitious founders preparing a pre-seed or seed raise within the next year. The week of mentorship and collaboration culminates in a Demo Day where founders pitch to a curated group of investors and corporate partners. In 2026 the program is hosted in Styria.
High Tech Campus Eindhoven
High Tech Campus Eindhoven is one of Europe's most concentrated technology innovation ecosystems, hosting over 300 companies and 12,000 researchers, developers, and entrepreneurs on a single 100-hectare campus in the south of the Netherlands. Originally developed by Philips as its corporate research campus in the 1990s, HTCE was opened to external companies in 2003 and has since evolved into a thriving open-innovation community often called 'the smartest square kilometer in Europe.' The campus specializes in hardware, semiconductors, photonics, medtech, AI, and IoT, anchored by the presence of NXP Semiconductors, Philips, and ASML nearby. Startups on the campus benefit from shared R&D facilities including cleanrooms, prototyping labs, and testing equipment that would otherwise be inaccessible at early stages. HTCE also operates the HighTechXL accelerator on-site, providing deep-tech startups with structured programs, ESA and CERN technology transfer partnerships, and investor introductions.
HighTech Startbahn
Dresden-based deep-tech ecosystem builder and organizer of HighTech Venture Days, an invitation-only investor matchmaking event pairing selected European hardtech and deep-tech startups with international venture capital, corporate VCs and family offices across semiconductors, robotics, energy and advanced materials.
HighTech Venture Days 2026 (October 2026)
HighTech Venture Days is an exclusive, curated matchmaking event pairing selected European deep-tech and hardtech startups with international VCs, corporate VCs, family offices and industry leaders. Focus areas span semiconductors, robotics, advanced materials, renewable energy, mobility, space and defense. It emphasizes one-on-one investor meetings over a traditional trade-fair format, built directly for capital-seeking founders.
HighTechXL
Deep-tech venture builder at High Tech Campus Eindhoven (est. 2015). Runs a 9-month venture-building program turning advanced tech from CERN, ESA, and others into startups; exits include Accerion. Support: co-founding teams, seed funding, R&D ecosystem access. Scope: International.
Hiventures
Hiventures is Hungary's largest state-backed venture capital firm, operating under the Hungarian Development Bank Group with approximately €258 million under management. Founded in 1999, it is the most active VC in Central and Eastern Europe by deal count, with over 420 investments made to date. The firm focuses exclusively on Hungarian startups and invests across all stages from pre-seed through growth, with a current thematic emphasis on AI, DeepTech, MedTech, and GreenTech. Its co-investment model and patient capital approach make it the primary first institutional money for Hungarian founders.
House of Startups
A 6,000 m² campus in Luxembourg City's station district that federates the country's main incubators, accelerators, and startup support organisations under one roof. Opened in June 2018, it hosts between 150 and 200 startups and is home to Luxembourg-City Incubator, LHoFT, Le Village by CA, and the International Climate Finance Accelerator. Backed by the City of Luxembourg and Chamber of Commerce.
HTGF Family Day 2026
Invite-focused networking and portfolio event hosted by High-Tech Gruenderfonds at STATION Berlin under the 2026 theme 'Next European Tech Renaissance.' Known for high-efficiency 1:1 investor-corporate-startup meetings and strong syndication opportunities.
Hystar
Hystar is an Oslo-based green hydrogen company founded in 2020 as a spin-off from SINTEF. The company manufactures PEM (proton exchange membrane) electrolysers with membranes 90% thinner than conventional alternatives, significantly cutting electricity consumption and the levelised cost of green hydrogen. Hystar raised $36 million in a Series C round in May 2025 co-led by Nysnø Climate Investments and Orlen VC, building on a $26 million Series B in 2023. The company also secured €26 million from the EU Innovation Fund in late 2024 to support construction of a 1.5 GW automated gigafactory in Høvik, Norway, targeting 4.5 GW capacity by 2031.
ICAISC 2026
The 25th International Conference on Artificial Intelligence and Soft Computing, held in Zakopane in the High Tatras with proceedings published by Springer. A research-heavy gathering of AI scientists and engineers, relevant for deep-tech and AI founders scouting cutting-edge methods, recruiting research talent and exploring research-to-startup spinouts.
ICAISC 2027
The 25th International Conference on Artificial Intelligence and Soft Computing is confirmed for 20-24 June 2027 at the Bachleda Hotel Kasprowy, Zakopane. A research-heavy gathering of AI scientists and engineers, it is relevant for deep-tech founders scouting cutting-edge methods and research-to-startup spinouts.
Icebreaker.vc
Icebreaker.vc was founded in 2017 in Helsinki by Aleksi Partanen, Lasse Lehtinen, Riku Sepälä, and Teddie Wardi to address the pre-seed funding gap in Finland, Estonia, and Sweden. The firm targets idea-stage companies with tickets of €150,000–€1.5 million, with Fund III targeting €30 million. Portfolio standouts include Hoxhunt (raised $40M Series B), Aibidia ($28M Series B), and ReOrbit (€45M Series A). Icebreaker is known for its diversity focus, backing 3.5× more immigrant founders than the Finnish VC average.
Iceland Innovation Week 2027
City-wide innovation festival returning to Reykjavik for its next edition, bringing together founders, investors, creatives and policymakers from across the Nordics and beyond. The week spans climate and energy transition, ocean tech, foodtech and deep tech, pairing a main-stage program with dozens of satellite events, startup pitch formats and investor matchmaking. Ideal for impact founders seeking Nordic investors, pilot sites and partners.
ICEYE
ICEYE operates the world's largest synthetic aperture radar (SAR) satellite constellation, providing persistent Earth observation data regardless of weather or daylight conditions. Founded in 2014 as an Aalto University spin-off, the company builds its satellites in-house in Espoo and serves defence, insurance, disaster response and environmental monitoring customers. By 2026 it had launched over 35 satellites with a valuation of $2.8 billion, and signed contracts with the Finnish, Polish and Swedish armed forces for national SAR satellite programmes.
ICU Ventures
ICU Ventures is the venture capital arm of ICU Group, Ukraine's largest independent asset management and investment banking firm, established in 2006 by former ING senior professionals. The venture arm, active since 2018, focuses on late seed and Series A investments of $200K–$5M in tech companies with strong Ukrainian ties across fintech, deep tech, mobility, and enterprise software. With 40+ investments to date, the portfolio includes Respeecher (AI voice technology) and Khazna (fintech), with the most recent disclosed investment made in February 2025. ICU Ventures operates from Kyiv and continues to actively back Ukrainian-rooted founders building global businesses.
IDEA Innovation Center
IDEA Innovation Center is the largest non-profit incubator-accelerator for startups in Cyprus, established in 2015 by the Bank of Cyprus and partner organisations. Its nine-month Startup Program provides participants with €20,000 in seed capital, structured business training, mentoring from experienced entrepreneurs, and professional services in legal, accounting, and ICT. Since its launch, IDEA has supported over 82 startups, trained more than 5,000 entrepreneurs, and invested over €4 million into the Cyprus innovation ecosystem. It was recognised as the European Winner in the 2019 European Commission Enterprise Promotion Awards.
identifAI
identifAI builds AI-powered deepfake and synthetic media detection technology, using 36 proprietary de-generative models to analyze images, videos, and audio for manipulation at pixel-level probabilistic patterns rather than superficial artefacts. Founded in 2024 in Cesena and Milan by cybersecurity veterans Marco Ramilli and Marco Castaldo, the company serves insurers, healthcare providers, HR departments, financial institutions, and government agencies for KYC verification and fraud prevention. Processing millions of checks daily, identifAI has raised €7.2 million (including €5 million led by United Ventures), was named a sample vendor in Gartner's 2026 Emerging Tech report, and counts Experian and KPMG among its clients.
Idoven
Idoven is a Madrid-based digital health startup that uses AI to transform ECG analysis and cardiovascular diagnostics. Its Willem™ platform analyses 50,000 heartbeats in 60 seconds, identifying 86 electrical heart conditions that represent 90% of common cardiac problems — reaching 96.4% accuracy for atrial fibrillation detection. Founded in 2019 by Manuel Marina Breysse, José María Lillo Castellano, and Íñigo Juantegui, the company raised €18.5M Series A co-led by Insight Partners and Northzone with Wayra participation. Idoven operates B2B through hospitals, pharmaceutical trials, and healthcare systems, and employs 71 people as of early 2026.
Idunity
Andorran company on the national map of innovative companies, based in La Massana, building a blockchain platform for supply chain transparency. It applies distributed ledger records to give visibility across supply chain operations, and is classified on the register under new technologies covering blockchain and augmented reality.
Ilion Water Technologies
Developed Voltage Induced Reverse Osmosis (VIRO), a pressure-free desalination technology that uses a low-voltage panel to drive water through standard RO membranes, removing the need for high-pressure pumps. Spun out of ENS-PSL Paris.
