Vienna, Austria · AcceleratorPart of the global Impact Hub network running tailored programs for social impact startups, including accelerators like Better Mobility and RE:WIEN. Support: mentorship, workshops, grant opportunities, and corporate/NGO partnerships. Scope: International (impact focus).
AcceleratorImpactMobilitySmart City
Bratislava, Slovakia · StartupSeak Energy develops smart infrastructure systems that control street lighting and EV chargers over existing power lines, avoiding costly new cabling. This retrofitting approach allows cities to digitize “dumb” infrastructure quickly and affordably. By 2026, Seak Energy is expanding across municipalities seeking low-cost modernization of public assets.
StartupGrowthSmart LightingSmart CityEnergy
Bratislava, Slovakia · StartupSensoneo provides enterprise-grade smart waste management systems that digitize collection workflows for cities and waste operators. Using ultrasonic sensors in bins and route-optimization software, it helps cities like Madrid and Prague reduce costs and emissions. The company is expanding into deposit return systems (DRS) software and broader circular-economy infrastructure. By 2026, Sensoneo is a recognized European leader in smart waste.
StartupGrowthWaste ManagementSmart CityIoT
Bratislava, Slovakia · StartupSimplicity is a GovTech and smart-city super-app that aggregates municipal news, payments, notifications, and city services into a single mobile experience. The platform evolved from local deployments in Slovakia and Europe into a US-focused expansion strategy, winning contracts with cities seeking a modern digital engagement layer. By 2026, Simplicity is a fast-scaling civic tech company turning city services into a unified digital channel.
StartupGrowthGovTechSmart CitySaaS
Tartu, Estonia · EventStartup festival at the University of Tartu Sports Hall with 3,500+ attendees, 350+ investors, and 400+ startups. Includes the sTARTUp Pitching competition (often with a EUR 300k+ syndication pool) and Brella-powered 1:1 matchmaking.
EventEventsDeep TechEdTechGovTechSmart CityWeb3
Vienna, Austria · EventDecentralized city-wide startup festival across 50+ partner events with 10,000+ attendees. Tracks include social impact, smart city, life sciences, creative tech, and women-in-tech programming.
EventEventsSocial ImpactSmart CityLife SciencesCreative TechEdTech
Warsaw, Poland · AcceleratorCity of Warsaw acceleration initiative connecting startups with municipal companies for pilot implementations, especially in sustainability and urban innovation. Participants receive mentoring and can compete for demo-day prizes.
AcceleratorSmart CityClimate TechUrban Tech