The Hello CleanTech 3.0 is inviting early-stage companies, inventors and scientists for its Startup Challenge, designed to accelerate clean technology innovations.
The initiative connects innovators with investors, industry partners and corporations, offering pathways to market access, collaboration and growth.
Focus
The challenge supports technologies that address critical environmental and industrial challenges. Its key focus areas include energy storage, green hydrogen, sustainable mining of critical raw materials, industry decarbonisation, circular economy solutions and digital innovations.
Programme Structure
Hello CleanTech 3.0 offers an online, equity-free programme—meaning there are no participation fees or equity requirements.
Participants receive expert mentorship, exposure to investors and industry leaders, and opportunities to collaborate directly with established companies—all while retaining full ownership of their ventures.
Benefits
Selected start-ups will gain visibility within Europe’s cleantech ecosystem, receive tailored mentorship and explore partnership opportunities with major corporations.
The programme culminates in a Demo Day, where participants showcase their innovations to a broad audience of investors, partners and potential clients.
Eligibility
The challenge is open to early-stage clean-tech innovators with scalable, high-impact solutions. Eligible applicants include:
● Start-ups and SMEs in the clean technology sector
● Scientists or inventors with validated prototypes
● Teams ready to scale or enter the European innovation market
Requirements
Applicants must submit a detailed proposal outlining their solution, its environmental and market impact and scalability potential.
The programme prioritises participants who are ready to engage with industry partners and commit fully to mentorship and online sessions.
Deadline
Applications close on December 10, 2025. To apply, follow the guidelines on the official website.
Explore our Opportunities page for related startup programmes.
Summary not available at this time.
