Seed · Climate Tech · Vienna, Austria · Founded 2024 · 11–50 employees
Vienna-based sequestra specializes in developing machine-learning-supported technologies for the permanent mineralization of carbon dioxide. By utilizing industrial waste materials such as steel slag, biomass ash, and demolition debris, the startup converts carbon dioxide into stable mineral products suitable for the construction sector. The company's technology aids in establishing sustainable, secondary raw materials within industrial value chains. In March 2026, sequestra secured a three million euro seed funding round, complemented by additional grants from FFG and aws to total five million euros. The company has also established partnerships and gained recognition through incubation by programs like INiTS and EIT Climate-KIC.
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