Deep Tech Startups

Finestructure is an early-stage venture capital firm that invests in science- and technology-driven startups, backing companies from pre-seed through pre-IPO. It focuses on commercializing scientific discovery and takes board roles at most of its portfolio companies.

1 investor

FireDrone builds a high-temperature-resistant aerial robotic system that operates in extreme environments up to 200 °C, providing real-time thermal and visual data for firefighting and industrial inspection. The system, a spin-off from Empa (Swiss Federal Laboratories for Materials Science and Technology), includes the drone, a ground station, remote control, and data analysis software for use by firefighting and industrial maintenance teams.

1 investor

FirstQFM develops proprietary foundation models for quantum computing, aiming to improve the scaling and performance needed to derive business and scientific value from quantum systems. The company is based in Stockholm and launched in 2025 following an incubation period.

1 investor

Fivecomm provides IoT sensor solutions for water system monitoring and digitalization, enabling utilities and water management operators to capture real-time data on consumption, flow, pressure, and levels to detect leaks and optimize resource management.

1 investor

Fixie.ai (Ultravox) is a research lab and product company that builds a speech-native voice AI model and inference infrastructure, offering developer APIs and SDKs for creating real-time conversational voice agents. It serves developers and companies building voice AI applications, with telephony integrations and usage-based pricing.

1 investor

Flapping Airplanes is a foundational AI research lab working on the data efficiency problem, aiming to build models that reach human-level reasoning without training on vast amounts of data. The lab focuses on long-term, paradigm-shifting research rather than commercialization, with potential applications in enterprise, robotics, trading, and scientific discovery.

1 investor

Flawless AI develops AI-based technology for the film and television industry, aimed at expanding creative options while protecting the interests of performers, filmmakers, and creators. Its tools are built to safeguard high-value production assets.

1 investor

Fleet builds simulated worlds and real-world challenges to study and influence the behavior of AI agents. The company focuses on understanding how artificial intelligences act in collaborative, goal-oriented settings.

1 investor

Fleisher Forensics provides forensic engineering and expert witness services, including accident investigation, liability analysis, and technical analysis for construction, product, and premises cases. The firm serves attorneys, government organizations, and insurance companies with analysis, testing, and expert testimony.

1 investor

Fletcher Bio engineers natural immune proteins using protein design to create precision immunotherapies that target and eliminate autoreactive T cells. The company focuses on autoimmune diseases, aiming to restore immune balance for conditions with high unmet need.

1 investor

Flexegraph develops graphene-based nanofluids for thermal management in data centers, computers, energy systems, and automotive applications. The company sells consumer cooling solutions under the Go Chiller brand and provides customized commercial products.

1 investor

Flexiramics develops flexible ceramic materials that combine ceramic performance with polymer flexibility for high-frequency electronics, energy storage, filtration, and sensors. The platform enables lightweight, heat-resistant ceramic products with improved design freedom for demanding industrial applications.

1 investor

Flexiv builds adaptive robots featuring force control, including the Rizon seven-axis robotic arm and Hesper robot controller. Its systems are designed for industrial automation across varied work environments, with software for task editing and secondary development.

1 investor

Flexoo manufactures custom printed electronics solutions, including sensors, heaters, PCBs, and antennas for industrial, medical, automotive, and IoT applications. Its additive manufacturing technology enables flexible, thin-profile components that fit where traditional electronic components cannot.

1 investor

FlexRadio, a ham radio company, runs a charitable initiative partnering with the non-profit Converge|2:8 and its Families of Hope program to provide school supplies and hygiene items to children in rural Uganda.

1 investor

Flink Robotics develops physical AI systems that combine machine learning, perception, and motion control to build robots for real-world physical tasks. It targets applications requiring adaptive robotics that operate in the field.

1 investor

Floaxiom develops NanoSurface, a biologically manufactured affinity nanoparticle platform for antibody (mAb) purification, offering a chromatography-free alternative to protein A resin columns and membrane systems. It targets biomanufacturing process development teams with suspension-based capture (NanoFlo) integrated into tangential flow filtration and magnetic bead (NanoMag) formats.

1 investor

Float builds large rigid-frame autonomous airships as an industrial freight platform, using modern materials, sensing, autonomy, and meteorology for lighter-than-air cargo logistics. The crewless airships handle flight control, routing, and buoyancy via satellite-networked autonomous systems for long-duration freight operations.

1 investor

Floatech manufactures silicon nanowire anodes for lithium-ion batteries, offering drop-in electrode solutions and customizable tailor-made formats with ultra-high areal capacity. The company serves battery manufacturers developing high-performance cells for energy storage and electric vehicle applications.

1 investor

Floating Point builds high-fidelity datasets, evaluations, and benchmarks for visual AI systems, serving ML teams, startups, and model labs. The company offers both off-the-shelf data products and custom supervised dataset services to advance computer vision capabilities.

1 investor

Flocean AS manufactures subsea desalination systems that convert seawater to freshwater using deep ocean water at depths of 500 meters, designed to minimize environmental impact compared to conventional desalination plants. The company targets water-scarce regions and serves farmers, industry, and communities needing affordable, climate-smart freshwater supply.

1 investor

FloUV provides non-thermal UV-C processing systems for opaque and viscous liquids, primarily serving dairy, beverage, and functional ingredient producers. The technology preserves native proteins and bioactives while delivering microbial safety without heat.

1 investor

FluidForm Bio builds living human tissue using its FRESH 3D bioprinting technology, which forms tissue from cells and proteins for use in pharma, medical device, and regenerative medicine applications. The company partners with life science companies and combines 3D printing, computational and synthetic biology, AI, and materials science to develop tissue for treating disease.

1 investor

Fluidic Sciences develops in-solution technologies and instruments for protein interaction analysis, enabling researchers to measure how proteins interact without immobilization complexities. The company serves biomedical scientists and researchers seeking faster, more accurate understanding of molecular interactions.

1 investor