Deep Tech Startups
8,460 companies tagged Deep Tech, with their investors and founders.
G2V builds tunable LED-based solar simulators used by researchers and engineers working in solar power, aerospace, and materials science to reproduce accurate sunlight for testing. Its products replace gas-discharge-lamp systems with LED technology aimed at precise, repeatable solar simulation.
1 investor
G42 is an artificial intelligence company developing AI technologies and platforms, including a voice-driven generative web interface. It positions its work around building AI applications at scale.
1 investor
Gadfin develops hybrid hydrogen-electric unmanned aircraft with patented folding-wing technology for long-range autonomous delivery and infrastructure inspection. The company's drones feature vertical takeoff and landing capability, advanced safety systems, and extended flight ranges up to 500 km.
1 investor
GAIA Refinery develops a bio-electrochemical direct air capture platform that uses biogenic ethanol rather than heat or high-voltage grid power to capture and concentrate atmospheric CO₂ at ambient temperature for permanent underground storage. It targets project partners who provide sites, geological storage, or demand for removal-grade carbon credits, positioning its modular units for deployment at sequestration sites across North America and beyond.
1 investor
GalChimia is a European chemical synthesis contract research organization offering discovery chemistry, process chemistry, analytical services, and custom synthesis of complex molecules for pharmaceutical and biotech R&D partners. It works under fee-for-service and full-time-equivalent models and participates in R&D projects in areas such as antimicrobial resistance and oncology.
1 investor
Galen builds causal, computational models of living cells ("virtual cells") that aim to predict how a cell changes under a given intervention before experiments are run. Its initial focus is durability and exhaustion in engineered T cell therapies, serving scientists and drug developers working on cell therapies.
1 investor
Galenica distributes Leica confocal microscopes for biomedical research, enabling high-precision imaging of subcellular structures and dynamic cellular processes at nanoscopic resolution.
1 investor
Galventa develops delivery technologies for food supplements and over-the-counter products designed to optimize dosage timing and bioavailability. The company focuses on improving the efficacy of nutraceutical formulations through galenic innovation.
1 investor
GameFi Ventures is a venture capital firm that invests in blockchain-based games.
1 investor
GT develops battery simulation software for analyzing and optimizing energy storage systems across automotive, aerospace, medical, electronics, and grid applications. The company offers tools that combine multi-physics modeling with collaboration features to accelerate battery design, aging prediction, thermal management, and control strategy development.
1 investor
NDB develops nuclear voltaic batteries and generators that convert energy from radioactive decay into electricity using silicon carbide and liquid semiconductor transducers, producing power that can last decades to centuries without recharging. Its technology targets aerospace and defense, medical implants, critical infrastructure, electric mobility, IoT sensors, and aviation, while recycling nuclear waste into clean energy.
1 investor
Gannet BioChem operates FDA-inspected cGMP manufacturing facilities in Alabama for polymer reagents, activated PEG compounds, and bulk pharmaceutical chemicals, serving research, clinical, and commercial programs at scales from grams to commercial volumes.
1 investor
Gapfruit provides a secure operating system and lifecycle security services—including TPM-rooted device identity ("birth certificate") provisioning and release artifact signing—that let OEMs build devices able to prove their authenticity and integrity. It targets manufacturers in areas such as smart city/LoRaWAN networks and critical infrastructure that must meet Cyber Resilience Act (CRA) and liability requirements.
1 investor
Gas Sensing designs and manufactures solid-state CO2 and methane sensors using patented mid-infrared LED technology, serving aerospace, agriculture, industrial safety, medical devices, and indoor air quality monitoring sectors. The company builds sensors with ultra-low power consumption and fast response times optimized for portable, battery-operated, and embedded systems.
1 investor
Gasera develops miniaturized photoacoustic gas sensors using optical interferometry for demanding analytical applications. The company commercializes proprietary technology for ultra-high-performance, low-cost gas analysis across various industries.
1 investor
Gate manufactures high-thrust mobility systems for commercial aerospace applications, with in-house production and testing capabilities in Europe.
1 investor
Syndeio Biosciences (Gate Neurosciences) is a synapse-focused biotech developing drug candidates for neuropsychiatric, mental health, and cognitive disorders such as depression, Alzheimer's, and schizophrenia. Its pipeline includes NMDA-receptor positive allosteric modulators like zelquistinel and apimostinel, supported by a proprietary synapse pharmacology platform originating from a Stanford University laboratory.
1 investor
Gateway Factory supports the transformation of academic research into deep technology startups across Europe, operating as an incubator and ecosystem builder focused on commercializing innovation from leading research institutions.
1 investor
Gauss Fusion is a German fusion energy company developing high-field magnetic confinement fusion technology, with the goal of building an industrialized gigawatt-class fusion power plant by 2045. Founded in 2022 with European industrial partners, it collaborates with scientific institutions to commercialize fusion power plants as a grid base-load complement to renewables.
1 investor
Gaussion develops magnetic battery-control technology that uses embedded magnetic PCBs and a control chip to guide ion movement and reduce resistance inside battery cells, helping manufacturers achieve faster charging, lower heat and longer battery lifetime. Its technology is configurable across cell formats and chemistries for industries including EVs, aerospace, robotics, drones and industrial applications.
1 investor
Galaxy Brain Scientific develops personalized brain mapping and neuromodulation technologies for research and clinical applications across neurological conditions. The company combines proprietary platform technology for individual brain functional mapping with a non-invasive stimulation system to support precision neuroscience research.
1 investor
GBI Biomanufacturing manufactures stem cells for regenerative medicine applications, including treatments for orthopedic injuries, wound care, and arthritic conditions. The company operates a 40,000-square-foot facility in Plantation, Florida and has expanded its stem-cell production capacity to serve growing demand driven by new state legislation permitting broader clinical use of stem-cell therapies.
1 investor
GCS develops advanced biomaterials through proprietary technologies including silk-fibroin fusion materials, RNA hydrogels, and ion-engineered PLLA for scalable real-world applications. The company operates at the intersection of scientific discovery and materials innovation.
1 investor
GCT develops 5G semiconductor solutions and chipsets, working with infrastructure and device manufacturers. It serves the mobile and telecommunications hardware ecosystem.
1 investor











