Top 10 Accelerators for Deeptech Startups in Europe 2025
The landscape for deeptech startups in Europe is rapidly evolving, with numerous accelerators playing a crucial role in nurturing innovation across various sectors. In 2025, these top 10 accelerators are set to provide unparalleled support encompassing mentorship, investment, and invaluable networks for emerging startups. Here’s a detailed overview of the most influential accelerators for deeptech startups in Europe.
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1. Deeptech Labs
Location: Cambridge, UK
Focus: Pre-Series A deep tech companies across various sectors.
Program Duration: Runs bi-annual cohorts.
Investment: Not specified; provides access to key investors.
Mentorship: Access to experienced investors and operators in European deep tech.
Network: Facilitates connections with investors and industry leaders to support potential growth.
Selection Rate: Top 0.2% of nearly 2,000 applicants.
2. High Tech XL
Location: Eindhoven, Netherlands
Focus: Deep tech startups, particularly hardware-focused projects.
Program Duration: 9 months.
Investment: No direct investment; however, access to investors is provided.
Mentorship: Strong focus on MVP development and mentorship.
Corporate Partnerships: Offers opportunities for collaboration with established corporations.
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3. Startup Wise Guys
Location: Tallinn, Estonia (additional locations available)
Focus: B2B software and services, particularly sustainability, including a deep tech track.
Program Duration: 5 months.
Investment: Up to €120,000 convertible investment.
Mentorship: Access to a broad range of mentors and investors.
Follow-on Funding: Opportunities for further investments.
Network: A global network of potential investors.
4. Antler
Location: Multiple locations (France, Germany, Netherlands, Nordics, Portugal, Spain, UK)
Focus: Pre-launch, pre-idea, and pre-seed teams with a sector-agnostic approach but a notable deep tech presence.
Program Duration: 6 months.
Investment: €100,000 for 10% equity.
Mentorship: Support in matching co-founders and strategic guidance.
Network: Global reach with 18 locations worldwide.
5. Rockstart
Location: Amsterdam, Netherlands
Focus: Energy, health, and Agri-food tech, heavily emphasizing deep tech applications.
Program Duration: 6 months.
Investment: €20,000 for 6% equity.
Mentorship: Mentorship and access to networks with investors and corporate partners.
Corporate Partnerships: Opportunities to collaborate with relevant industry players.
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6. Techstars
Location: Operates in 9 cities across Europe.
Focus: A broad array of tech startups, including deep tech ventures.
Program Duration: 3 months.
Investment: Up to $120,000 in funding.
Mentorship: Personalized mentorship from experienced entrepreneurs.
Network: Access to an expansive global alumni network.
Track Record: Invested in over 2,500 companies.
7. Creative Destruction Lab (CDL)
Location: Multiple locations (Oxford, Paris, Tartu, Berlin).
Focus: Seed-stage, science-based startups integral to deep tech.
Program Duration: Not explicitly stated.
Investment: Not specified; varies by the program.
Mentorship: Access to industry mentors and successful entrepreneurs.
Network: Connections with investors and research institutions for strategic support.
8. Startupbootcamp
Location: London, Berlin, Amsterdam, Barcelona, and others.
Focus: Diverse industries including deep tech startups.
Program Duration: 3 months.
Investment: £30,000 for 3-7% equity based on location.
Mentorship: Comprehensive resources and mentorship across various sectors.
Global Network: A part of a larger international accelerator framework.
9. Sting
Location: Stockholm, Sweden
Focus: Startups that already have an MVP and early traction, including many deep tech companies.
Program Duration: 4 months.
Investment: SEK 500,000 via partnerships for investment.
Mentorship: Guidance from industry experts and investors, plus follow-on funding opportunities.
10. Baltic Sandbox
Location: Lithuania
Focus: Fintech, SaaS, and deep tech startups.
Program Duration: Not specified.
Investment: Not specified; details vary.
Mentorship: Development of early-stage startups through an enhanced accelerator program.
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FAQ
Q: What is the primary focus of Deeptech Labs?
A: Deeptech Labs specializes in supporting pre-Series A deep tech companies across various sectors. Learn more about Deeptech Labs.
Q: How long is the program at High Tech XL?
A: High Tech XL runs a 9-month program focused on deep tech startups, particularly those that are hardware-centric. Discover more about High Tech XL.
Q: What investment opportunity is available with Startup Wise Guys?
A: Startup Wise Guys offers up to €120,000 in convertible investment for B2B software or services startups, particularly those with a focus on sustainability. Explore Startup Wise Guys.
Q: How much equity does Antler take for its investment?
A: Antler invests €100,000 for 10% equity, catering to pre-launch and pre-seed teams across multiple sectors, including deep tech. Learn more about Antler.
Q: What areas does Rockstart focus on?
A: Rockstart primarily focuses on startups in the energy, health, and agri-food sectors that strongly leverage deep tech. Discover Rockstart.
Q: What is the duration of the Techstars program?
A: The program at Techstars lasts for 3 months and includes a broad range of tech startups, including deep tech ventures. Explore Techstars.
Q: Where does the Creative Destruction Lab (CDL) operate?
A: CDL operates in multiple locations across Europe, including Oxford, Paris, Tartu, and Berlin, supporting seed-stage science-based startups. Learn more about CDL.
Q: What type of startups does Startupbootcamp support?
A: Startupbootcamp supports a variety of tech startups across different industries, including several deep tech initiatives. Discover Startupbootcamp.
Q: What is the program length for Sting?
A: Sting offers a 4-month program aimed at startups that have developed a minimum viable product (MVP) and are looking for further traction, including those in deep tech. Learn more about Sting.
Q: What are the focus areas for Baltic Sandbox?
A: Baltic Sandbox focuses on fintech, SaaS, and deep tech startups to nurture their growth in Lithuania. Discover Baltic Sandbox.
About the Author
Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur.
Violetta is a true multiple specialist who has built expertise in Linguistics, Education, Business Management, Blockchain, Entrepreneurship, Intellectual Property, Game Design, AI, SEO, Digital Marketing, cyber security and zero code automations. Her extensive educational journey includes a Master of Arts in Linguistics and Education, an Advanced Master in Linguistics from Belgium (2006-2007), an MBA from Blekinge Institute of Technology in Sweden (2006-2008), and an Erasmus Mundus joint program European Master of Higher Education from universities in Norway, Finland, and Portugal (2009).
She is the founder of Fe/male Switch, a startup game that encourages women to enter STEM fields, and also leads CADChain, and multiple other projects like the Directory of 1,000 Startup Cities with a proprietary MeanCEO Index that ranks cities for female entrepreneurs. Violetta created the "gamepreneurship" methodology, which forms the scientific basis of her startup game. She also builds a lot of SEO tools for startups. Her achievements include being named one of the top 100 women in Europe by EU Startups in 2022 and being nominated for Impact Person of the year at the Dutch Blockchain Week. She is an author with Sifted and a speaker at different Universities. Recently she published a book on Startup Idea Validation the right way: from zero to first customers and beyond and launched a Directory of 1,500+ websites for startups to list themselves in order to gain traction and build backlinks.
