We track 29 organisations in this sector across 6+ countries.
29 entries.
Active since 2018. Smart-tech accelerator scaling startups across Central and Eastern Europe with programs like AccelStart, AccelBoost, and Green Impact. Support: specialized accelerators, corporate partner network, mentoring. Scope: Regional (CEE).
Agoranov is a Paris-based public incubator founded in 2000 by a consortium of universities and research institutions. It supports science- and technology-intensive startups, often spun out of academic labs, and has backed 400+ startups that raised €1.5B+ and created 10,000+ jobs. Program: office space in central Paris, a 6-month renewable incubation program with tailored mentorship, research access, grant support, and investor introductions. As a public-interest incubator, Agoranov is equity-free and funded by French public institutions and the City of Paris. Unicorn alumni: - Doctolib - Alan - Criteo
Accelerator by Budimex for construction-tech startups in green construction, AI, robotics, and site automation. Offers pilots on construction sites, industry mentors, and potential investment or procurement. Scope: Regional (Poland and CEE).
Built around the Cambridge deep-tech cluster, with a 2026 theme of how deep tech changes the world. It features an Innovation Alley exhibition for deeptech startups and scaleups, plus sessions on scaling, regulation, and access to capital — high value for science-led founders seeking investors and corporate partners.
The 20th-edition annual conference connecting the Nordic and Baltic cleantech ecosystem, with startup pitch competitions, workshops, and one-on-one investor pitching. Explicitly founder- and investor-focused.
Builds eco-friendly data centres using direct chip liquid cooling and hermetic server enclosures, recovering up to 98% of waste heat for building heating or grid re-injection. Cuts data-centre CO2 emissions by up to 82% while reducing energy costs.
CEE's flagship deep-tech marketplace, with an Investor Day followed by the main summit. Built specifically for deep-tech founders raising capital: structured investor matchmaking, a startup challenge, and access to deep-tech-focused VCs and corporates.
The largest annual event dedicated to the European hydrogen sector, combining policy, business, and exhibition tracks at Brussels Expo. Relevant for hydrogen and clean-energy founders seeking EU funding, partners, and procurement channels.
The 20th edition of the EU's largest sustainable-energy conference. Cleantech and energy founders use it to engage policymakers, EU funding bodies, and corporates shaping the regulatory environment.
A national fintech summit at the EICC Edinburgh, with content spanning green wealthtech, payments, and AI. Good for a Scottish or UK fintech founder wanting investor and ecosystem exposure at low cost.
Full-stack renewable energy supplier founded in 2022 by former Revolut executives, supplying 300,000+ UK households while building a 1 GW wind and solar generation pipeline. Secured a €25M Series B extension, bringing total funding to €214M.
IFEMA's flagship sustainable-mobility congress in its 4th edition, with 300+ speakers and 500+ exhibitors covering AI fleet management, seamless travel corridors, decarbonised infrastructure, and mobility regulation. Useful for mobility, traveltech, and climate-tech founders seeking corporate pilots and public-sector partnerships.
Develops MADE (Microwave Assisted DEpolymerisation), chemical recycling for PET plastics and polyester textiles able to process PET unrecyclable by mechanical methods. Closed a €15.5M Series B to build an industrial-scale microwave PET recycling plant in Spain.
FYCMA's smart-city and sustainable-mobility forum, co-organised with Málaga City Council and AMETIC, running an open call for startups. A good fit for greentech, urban-mobility, and IoT founders targeting municipal and public-sector buyers in southern Spain.
Organizer of Greentech Festival, a major Berlin sustainability and climate innovation conference and exhibition co-founded by former Formula 1 champion Nico Rosberg. Since 2019, the multi-day festival has attracted thousands of attendees to explore green technology showcases, startup pitches, and award ceremonies celebrating environmental innovation.
Major sustainability-focused exhibition and conference at Messe Berlin, founded by Nico Rosberg, showcasing climate innovation across mobility, circular economy, and supply chains. Exact 2026 dates are to be announced.
The leading French event on responsible and sustainable digital technology, held at Station F with around 2,500 participants. For climate and greentech founders it offers conferences, workshops, and an exhibition focused on concrete tools for sustainable digital transition.
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.
Large CEE technology and policy event connecting scale-ups with corporate and government decision-makers. Strong fit for startups pursuing enterprise partnerships, public-sector pilots, and regional expansion.
Grows wood from tree stem cells in bioreactors without logging, producing material far faster than conventional forestry. Founded in 2023 on Wageningen Campus, it raised an oversubscribed €2.1M pre-seed to advance cultured-wood technology.
A major global energy forum at Stavanger Forum with 70,000+ visitors and 1,100+ exhibitors, including an ONS Scale-Ups programme connecting energy scale-ups with the industry. Relevant for energy-tech founders.
A major international congress on responsible and sustainable economy and value-driven business. Relevant for climate, greentech, and impact founders looking to connect with ESG-minded corporates, public institutions, and mission-aligned investors.
Portugal's largest decentralised innovation festival — 250+ mostly-free events across 15+ cities, themed on AI, Web3, sustainability, and the future of work, anchored around Web Summit week. The single best week for a founder to tap the whole Portuguese ecosystem at once, with pitch sessions, tech days, and investor meetups nationwide.
Offers a Sand-as-a-Service model using patented modular sand reclaimers to regenerate and recycle foundry sand on-site, enabling near-100% reuse. Expanded its Norion Bank facility to €25M following new contracts in Germany and Slovenia.
Builds real-time plant intelligence hardware for professional greenhouse growers. Its Sensie Omni device combines direct plant feedback with root-zone and micro-climate data to optimise irrigation, ventilation and climate strategy.
The 5th edition of Southeast Europe's flagship deep-tech and science-to-business conference, gathering 400+ speakers and around 40 breakthrough spinoff teams. It pairs university and research-spinoff founders with investors, clusters, and policymakers — strongly relevant for science-based founders raising early capital.
The 10th-anniversary edition of Northern Greece's flagship two-day tech event at the Port of Thessaloniki, bringing together young scientists, executives, startups, and investment funds. A dedicated startup platform focuses on climate tech, deep tech, and AI.
A community-driven startup festival at the Van Nelle Fabriek connecting pre-seed and seed founders with investors across port and maritime, health and wellbeing, and climate and energy tracks. Strong fit for early-stage founders raising in Rotterdam's ecosystem.
Woltair is a digital marketplace and installation platform for heat pumps and solar systems. It streamlines the complex process of finding qualified contractors, securing subsidies, and completing installations. By 2026, the company is a notable Czech green-tech player pushing heat pump adoption across Central Europe. Its operational advantage is a software-driven workflow layered on top of local installer networks.