Stockholm, Sweden · StartupNorthvolt is a Swedish battery manufacturer founded to build a European supply of sustainable lithium-ion cells. In November 2024, Northvolt AB filed for Chapter 11 protection in the United States to pursue a financial restructuring while seeking strategic solutions for Northvolt North America. On March 12, 2025, the company filed for bankruptcy in Sweden and a trustee was appointed to oversee the process. Northvolt remains a landmark industrial project for Europe’s battery ambitions, but its current status is restructuring and insolvency rather than a typical growth-stage startup.
StartupIndustrial Scale-upClimateIndustrialEnergy
Stockholm, Sweden · StartupStegra (formerly H2 Green Steel) is one of Europe’s most ambitious industrial decarbonization projects, aiming to rebuild steelmaking around renewable energy and green hydrogen. The company is building a fully integrated production campus in Boden, northern Sweden, where abundant hydropower and regional mining supply chains converge. The core innovation is the direct-reduction process: instead of using coal to reduce iron ore, Stegra uses green hydrogen, cutting CO2 emissions by roughly 95% compared with blast-furnace steel. That technical shift is the foundation for a new European supply of low-carbon steel, which is increasingly demanded by automakers, construction firms, and consumer brands. The company rebranded to Stegra in September 2024 to signal that it is more than a steel mill. Its long-term platform vision is to combine renewable power, hydrogen production, and mineral processing into a repeatable template for heavy industry. By 2026, the Boden plant is reported to be more than halfway constructed, with gigascale electrolyzers (supplied by Thyssenkrupp Nucera) being installed and key offtake contracts signed. Customers reportedly include Porsche, Mercedes-Benz, Scania, and IKEA, and more than half of initial output has been pre-sold — a strong indicator that the “green premium” market is real. Stegra’s financing structure is as notable as its technology. Rather than relying solely on venture capital, the company blends project-finance debt with growth equity, totaling more than €6.5 billion in commitments. This makes it one of the largest private industrial raises in Europe and a flagship case for climate infrastructure funding. Its origins are tied to Vargas Holding, a Swedish venture-builder that also co-founded Northvolt and Polarium, acting as an institutional co-founder rather than a conventional accelerator. Early support from EIT InnoEnergy helped validate the project at the EU level. Stegra’s investor roster reflects its strategic importance: Altor Equity Partners, GIC, Just Climate, Temasek, and Porsche SE are among its backers. In 2026, Stegra represents the “Northvolt effect” done right: a proof that Europe can re-industrialize around clean energy and keep advanced manufacturing on the continent. If it succeeds, it will be a template for decarbonizing other hard-to-abate sectors, from cement to fertilizers, and a cornerstone of Europe’s green-industry competitiveness.
StartupGrowthClimateIndustrialEnergy
Prague, Czech Republic · StartupCyrkl is a circular-economy marketplace described as “Tinder for industrial waste.” It enables factories to sell scrap materials such as plastics or metals to recyclers instead of landfilling them. The platform improves pricing transparency and accelerates reuse of materials across industrial supply chains. By 2026, Cyrkl is a recognized circular-economy player in CEE with growing cross-border adoption.
StartupGrowthCircular EconomyMarketplaceSustainability
Munich, Germany · StartupDeepDrive is the Munich startup that convinced major automakers to rethink the electric motor itself. Its core innovation is a patented dual-rotor motor architecture. In a traditional motor, a single rotor spins inside a fixed stator. DeepDrive's design spins both the internal and external rotor simultaneously, delivering higher torque density and substantially better efficiency. The practical outcome is compelling: EVs can achieve roughly 20% more range with 50% less motor weight, while reducing bill-of-materials costs.
By 2026, DeepDrive has moved beyond impressive prototypes to industrialization. The company has reportedly secured series nominations with eight of the top ten global automakers for platform launches in 2028–2029. That level of OEM validation is rare at this stage and signals confidence in both the performance and manufacturability of the design. The company is now focused on building automated production lines in northern Munich to scale output for fleet testing and pre-series runs.
A particularly strategic application is the in-wheel motor. Because the dual-rotor unit is compact and lightweight, it can fit inside the wheel hub, freeing up interior volume and enabling fully flat skateboard platforms. That creates new possibilities for autonomous shuttles and urban delivery vehicles where maximizing passenger or cargo space is paramount. It also allows for advanced vehicle dynamics such as torque vectoring without complex drivetrain components, improving both safety and handling.
DeepDrive is a classic spin-out from the UnternehmerTUM ecosystem at TU Munich, with early validation support from the XPRENEURS incubator. Its investor base blends strategic automotive capital with deep-tech venture funding: Leitmotif led the Series B, BMW i Ventures provides rare early-stage OEM participation, Continental's corporate VC is a strategic partner for braking and chassis integration, and UVC Partners and Bayern Kapital anchor local support. In 2026, DeepDrive is one of Europe’s most promising hardware deep-tech bets: a motor breakthrough with clear OEM pull, manufacturability momentum, and the potential to reshape EV platform design.
StartupSeries BAutomotiveDeep TechHardware
Warsaw, Poland · StartupDeep-tech company founded in 2020 building photocatalytic air purification systems. Its titanium-dioxide-based approach targets gases, bacteria, and viruses without traditional replaceable filters, enabling deployments in transport, buildings, and food environments.
StartupEarly StageDeep TechCleanTechHealthTech
London, United Kingdom · StartupPhysicsX applies machine learning and generative AI to advanced engineering simulation across aerospace, automotive, and energy systems. The platform accelerates design loops by reducing simulation time for fluid, thermal, and structural modeling, helping industrial teams move from concept to validation faster.
StartupGrowthAIEngineeringDeep TechManufacturing
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