Sustainability startup ecosystem
We track 138 organisations in this sector across 6+ countries.
Showing 101–120 of 138Sustainability
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Posidonia 2028
Posidonia, the biennial international shipping exhibition, returns to the Metropolitan Expo in Athens 5-9 June 2028. The event is a key gathering point for the global maritime and shipping industry, covering vessel technology, sustainability and shipping operations.
PRODURABLE (Groupe AEF)
Organiser of PRODURABLE, the largest European gathering of actors and solutions for the sustainable economy, held at the Palais des Congrès in Paris. Produced by Groupe AEF under the patronage of the French Ministry of Ecological Transition, it convenes thousands of decision-makers, speakers and partners.
Prof. Bolesław Rok
An academic (professor at Kozminski University) and CSR expert, Bolesław has become an angel investor focusing on impact-driven startups. He earned a special award in 2022 for contributions to impact investing. Associated startups: Impact and sustainability startups (recognized for championing ethical investment practices).
Redigo Carbon
Cloud-based sustainability platform using machine learning to help businesses measure, analyse and plan carbon emissions reductions. Founded in 2022, it supports European companies in meeting ESG reporting requirements.
Reflect Festival 2026
The largest tech and startup festival in Cyprus and the Eastern Mediterranean, attracting 3,000+ attendees to Limassol. Features a startup pitch competition, exhibitions, and deep-dive tracks on AI, sustainability, and Web3. Strong participation from MENA and European ecosystems, reflecting Cyprus's position as a bridge between continents. Tickets from EUR 100-300.
SagaNatura
SagaNatura is a Hafnarfjörður-based Icelandic biotech company producing premium natural ingredients from Iceland's pristine environment, including high-purity natural astaxanthin from microalgae and wild-grown organic Angelica Archangelica. The company traces its roots to SagaMedica (founded 2000) and KeyNatura (founded 2014), which merged to form the current entity. SagaNatura supplies nutraceutical ingredients to markets in North America and Asia-Pacific, and operates a consumer brand, KeyNatura, sold direct-to-consumer and through distributors worldwide. The company was tracking EUR 23 million in annual sales by 2025 and had been eyeing a potential IPO.
Salon des Maires et des Collectivités Locales 2026
France's leading govtech and public-sector trade show under the theme 'Boldness is local', drawing roughly 65,000 visitors and 1,380 exhibitors at Porte de Versailles across digital, energy, mobility, safety and urban-development solutions for local authorities.
Salon PRODURABLE 2026
The 19th edition of PRODURABLE at the Palais des Congrès in Paris is the largest European meeting for the sustainable economy, with around 15,000 visitors, 800 speakers and 350 partners. It convenes decision-makers, impact startups and investors around sustainability and ecological transition.
SERio
SERio is a Warsaw-based foodtech startup producing plant-based cheese alternatives made from Polish lupin beans, a locally abundant and sustainable protein source. The products are engineered for high protein content and strong melt performance, targeting mainstream consumers seeking dairy-free options that do not compromise on taste or cooking functionality. SERio differentiates from soy and cashew-based competitors by using a regionally sourced ingredient with a lower environmental footprint. The company is part of Poland's growing alternative protein ecosystem and sells through retail and food-service channels.
Smart City Expo World Congress 2026
The world's largest smart-city event, organized at Fira Barcelona with 25,000+ urban planners, govtech vendors, mobility startups, and sustainability innovators. Covers digital twins, urban mobility, circular economy, energy transition, and citizen services. A primary sales channel for European urbantech startups. Tickets from EUR 200.
Smart Energy Congress 2026
Smart Energy Congress is a leading Spanish forum on energy transition, digitalisation and sustainable technology, organised by Plataforma enerTIC.org at IFEMA Madrid. The 2026 edition brings together utilities, industry, the public sector and AI and IoT vendors for keynotes, an expo and networking around decarbonisation and digital energy.
SNF Nostos 2026
Free week-long festival at the Stavros Niarchos Foundation Cultural Center, with the SNF Nostos Conference (June 22-26) bringing international speakers on health, education, climate and the future of society alongside concerts and interactive programming.
Solar Foods
Solar Foods produces Solein, a single-cell protein made via gas fermentation using CO2, hydrogen and electricity — entirely decoupled from agriculture. Founded in 2017 as a VTT and LUT University spin-off, the company opened the world's first commercial-scale air-protein facility in Vantaa in 2024. In 2026 it is advancing its EFSA novel food approval and finalising the investment decision for Factory 02 in Lappeenranta, which will scale annual capacity from 160 to 6,400 tonnes. Fortum is a key investor and strategic partner for district heating integration.
SPS Italia 2026
SPS Italia 2026 was the 14th edition of Italy's leading trade fair for industrial automation and digital manufacturing, held 26-28 May 2026 at Fiere di Parma and organised by Messe Frankfurt Italia. The edition drew 37,528 attendees and 720 exhibitors across six pavilions, built around five core themes — cyber security, AI agents, software-defined manufacturing, robotics & Physical AI, and ESG. A Digital District (Industrial IT, Focus AI, Start-Ups, Academy), 50+ conferences across three arenas, and the SPS Italia UP Challenge for startups make it a key selling and partnership venue for industrial-tech founders.
SPS Italia 2027
Italy's leading trade fair for industrial automation and digital manufacturing returns to Fiere di Parma for its 15th edition, running 25-27 May 2027, organised by Messe Frankfurt Italia. The 2026 edition drew 37,528 attendees and 720 exhibitors across cyber security, AI agents, software-defined manufacturing, robotics, and ESG themes.
Startup Booster for Social Impact
Impact-focused accelerator operated by SWPS University for ventures aligned with sustainable development goals. The program supports startups, micro-enterprises, and NGOs through commercialization, corporate piloting, and funding-readiness tracks.
Startup Iceland 2026
Iceland's premier startup and entrepreneurship conference founded by Bala Kamallakharan, bringing together Nordic and international founders, investors, and thought leaders in Reykjavik. Known for its intimate, high-quality format with 400+ attendees and strong focus on sustainability, geothermal energy, and ocean tech. Tickets from EUR 200-400.
Startup Wise Guys
Startup Wise Guys is a Tallinn-founded B2B startup accelerator and early-stage VC founded in 2012, operating as one of the most active and prolific accelerators in the Central and Eastern European ecosystem. The firm runs over 45 sector-specific programmes annually spanning fintech, cybersecurity, SaaS, sustainability, and agritech, and has invested in over 600 startups from more than 60 countries. Its most recent fund of €45 million reached a first close of €25 million in 2023. Startup Wise Guys provides €100K–200K investments at pre-seed stage in exchange for equity, combined with intensive hands-on mentorship from operators and investors. Notable portfolio exits include VitalFields (acquired by Climate Corporation), StepShot (acquired by UiPath), and VOCHI (acquired by Pinterest).
Steady Energy
Steady Energy develops the LDR-50, a simplified small modular reactor (SMR) delivering 50 MW of thermal output for zero-carbon district heating. Founded in 2023 as a spin-off from VTT Technical Research Centre of Finland, the company raised €32 million and in February 2026 poured first concrete for a full-scale non-nuclear pilot plant inside Helsinki's former Salmisaari coal power station. Fortum and Finnish energy utility Helen are strategic partners. Steady Energy is also expanding to Sweden, targeting district heating decarbonisation across the Nordic region.
Sting
Sting (Stockholm Innovation & Growth) is Sweden’s leading startup accelerator and incubator, founded in 2002 and based in Stockholm. Over two decades, Sting has built a reputation as one of Europe’s most successful support programs for high-tech startups. Each year, ~25 startups participate in Sting’s programs, which are tailored to ICT, sustainability, and deep tech ventures. Sting offers two main tracks: the Accelerate program (a shorter, intensive accelerator with investment) and the Incubate program (a longer incubation with office space and coaching). Startups benefit from SEK 400,000 (≈€35,000) in pre-seed investment via Sting’s Propel Capital angel fund, as well as hands-on mentorship from experienced entrepreneurs. Sting is notable for its extensive network in the Nordics – participants get access to 80+ industry mentors and introductions to a broad investor pool in Sweden and internationally. The results speak volumes: Sting has supported 270+ startups since inception, with a survival rate over 70% and multiple high-profile alumni. Success stories include Yubico (security keys unicorn), Sellpy (fashion recommerce, acquired by H&M), and ClimateView (climate planning SaaS). In addition to funding and coaching, Sting offers free office space at A House in Stockholm, product development labs, and perks from partners. The program emphasizes key performance indicators (KPIs) and growth milestones – Sting aims to help companies reach first customers, significant revenues, or Series A readiness within 6–18 months. Beyond individual companies, Sting has played a crucial role in Stockholm’s ecosystem: it co-founded SUP46 (Start-Up People of Sweden) co-working space and hosts Sweden’s annual Startup Demo Day. Sting alumni have collectively raised over €600 million. With the Swedish ecosystem maturing, Sting remains a cornerstone – providing new founders with structured support, an entrepreneurial community, and that all-important first investment to turbocharge their growth.
