Deep Tech Startups

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

Galaxea AI provides a platform for developing embodied AI systems, offering data collection, quality assurance, model post-training, and deployment tools for robotics developers. The platform integrates open-source embodied AI models and proprietary models (G0, G0.5 series) with one-click fine-tuning capabilities.

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

GAMGEE develops personalised mRNA cancer vaccines for dogs, created from the animal's own tumour tissue to help its immune system fight the cancer. The company manages the full process end to end—from diagnosis and tissue sampling with the pet owner's vet, to genomic analysis and treatment delivery via veterinary oncologists—and is currently running clinical trials in Australia while accepting applications globally.

1 investor

Gamma Technologies develops multi-physics simulation software combining 1D and 3D applications for engineers designing individual components and integrated systems. Its tools serve industries including automotive, HVACR, aerospace, industrial machinery, and shipbuilding for product development, optimization, and performance analysis.

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 specializes in the design, development, and manufacturing of activated polymers and PEG reagents for therapeutic applications. The company supports pharmaceutical partners through custom synthesis, bioconjugation strategies, and cGMP manufacturing from preclinical through commercial stages.

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

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

GattaCo develops plasma separation devices that enable point-of-care blood collection and remote transport of lab-quality plasma for clinical testing. The technology allows patients to self-collect finger-stick blood samples and send them to laboratories for analysis.

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

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

Gearbox Biosciences develops Pop-Out-Plasmid (POP) technology, an E. coli platform that produces plasmid DNA and recombinant proteins without antibiotic selection markers or chemical inducers like IPTG, while decoupling growth from production. Its products serve biopharma partners in gene therapy, cell therapy, and vaccine manufacturing, and the technology is available for licensing.

1 investor

geCKo Materials develops an energy-efficient biomimetic adhesive for commercial and consumer applications that reduces environmental impact and simplifies attachment processes. The company manufactures and commercializes gecko-inspired adhesive technology for scaling adoption across industrial and consumer markets.

1 investor

Geegah develops a chip-based ultrasonic imaging platform that captures high-resolution video of micro- and nano-scale living samples, such as nematodes, in their natural environments without requiring light. The technology uses high-gigahertz ultrasonic waves to image tiny objects in optically opaque settings like soil, targeting researchers as an alternative to conventional microscopes.

1 investor

GemaTEG develops thermal management solutions for high-performance computing systems, focusing on improving efficiency and reducing energy consumption in AI and HPC environments. The company serves cloud and computing infrastructure operators seeking to balance performance with environmental responsibility.

1 investor