Deep Tech Startups

Golgenia is a biotech startup developing small-molecule inhibitors that target Golgi-based "glyco-oncogenes" — proteins that disrupt glycosylation and drive tumor development. Its research aims to create anticancer therapies, including for tumors that are non-responsive to current treatments, with an initial drug series acting on glycosphingolipid biosynthesis.

1 investor

Gonka is a decentralized protocol for AI inference and training, letting contributors build protocol, inference, or training features and earn rewards through a bounty program.

1 investor

Good Growth Capital is a venture capital firm that invests in transformative science-based companies across multiple sectors including cleantech, life sciences, hardware, and deep tech. The firm is based in Charleston, South Carolina and led by a team with decades of experience in startup creation, strategy, and scaling science-driven businesses.

1 investor

Goodfellow supplies advanced specialist materials, including metals, alloys, ceramics, polymers, and compounds, alongside custom manufacturing and modification services for scientific and industrial customers worldwide. The company also provides micromanufacturing capabilities through its 2024 acquisition of Potomac Photonics.

1 investor

Goodlabs develops AI-powered enterprise software across three domains: cost allocation and intelligent coding platforms for data optimization, fraud prevention and investigation tools for financial crime detection, and medical AI systems for healthcare efficiency. The company serves enterprises, financial institutions, and healthcare organizations.

1 investor

A quantum technology company with a core engineering team based in Chile and a legal presence in Germany. The page provides limited detail about specific offerings.

1 investor

Gore is a global materials science company that manufactures high-performance fabrics, implantable medical devices, and products designed to reduce emissions and address complex industrial challenges across multiple sectors. The company operates as a privately held enterprise with operations spanning five continents.

1 investor

GOTCHA is a computer-vision technology that detects micro-emotions by analyzing human facial micro-expressions, based on behavioral research. It offers investigatory and evaluative models for use cases such as customer experience in banking and telecom, HR, legal services, and mental health.

1 investor

GPRS provides utility locating, concrete scanning, CCTV sewer inspection, and 3D laser scanning services to map and visualize above- and below-ground site conditions, delivering as-builts, utility maps, CAD drawings, and BIM models. It serves the construction, architecture, engineering, and facility management industries across the United States through its cloud-based SiteMap platform.

1 investor

Grabis is a South Korean biotechnology company that develops magnetic bead technologies for nucleic acid and protein purification. Its products support DNA/RNA purification for NGS library preparation, protein purification, and on-site nucleic acid extraction.

1 investor

DecipHER is developing an AI platform that analyzes biological markers from blood samples combined with questionnaire data to identify women at risk of peripartum and postpartum depression before symptoms emerge. The platform serves maternal healthcare providers and pregnant women globally, addressing a significant gap in women's mental health diagnosis and intervention.

1 investor

Grantscout is a grant-writing and non-dilutive funding advisory service that develops expert, human-written proposals and multi-year funding strategies for startups and research-driven companies. It targets technical and scientific ventures seeking funding from agencies such as NIH, ARPA-H, NSF, DoD, DoE, USDA, and NOAA.

1 investor

GRAPE ONE provides platform services for local 5G and regional broadband wireless access (BWA) networks, including equipment sales, operations, and maintenance, alongside solution development and deployment.

1 investor

Grapheal develops graphene-based biosensors, including PFAST, a field-deployable device for fast, real-time detection of ultra-trace PFAS ("forever chemicals") in water. The platform enables point-of-need testing to support PFAS monitoring under regulations such as the EU Drinking Water Directive.

1 investor

Graphen AI develops artificial intelligence and robotics technologies applied across drug discovery, healthcare, finance, education, and robotics through a set of specialized business units built on its full-brain AI platform. It serves enterprises and leaders across multiple industries with AI foundation and industry-specific platforms.

1 investor

GLC Inc. develops custom graphene applications and solutions for global markets. The company licenses graphene technology to partners across various industries to enhance product performance and enable environmental and economic advancement.

1 investor

Graphenest develops graphene-based electromagnetic shielding solutions for electric vehicle suppliers and next-generation electronics manufacturers. The company produces graphene coatings and enhanced composite materials that reduce weight, manufacturing time, and environmental impact while meeting EU sustainability and zero-emissions regulations.

1 investor

Graphmatech develops hybrid polymer-graphene composite materials engineered for industrial applications in energy, aviation, and packaging sectors. The company focuses on creating sustainable materials with advanced properties like conductivity and barrier performance to improve efficiency and reduce environmental impact.

1 investor

Gravity develops wearable human flight technology, including a jet suit that augments human capability to enable individual flight. The company operates in the aerospace and deeptech hardware category.

1 investor

Gravity is a high-performance Layer 1 blockchain with a parallel EVM runtime (Grevm) and AptosBFT consensus, offering high throughput and sub-second finality with restaking-powered PoS security. Built by Galxe, it targets web3 developers building dApps and provides an omnichain intent protocol for cross-chain transactions and onchain loyalty points.

1 investor

GravTech Solutions develops miniaturised gravity gradiometer sensors mounted on drones to conduct geophysical surveys of subsurface structures. Its technology serves mining, water, oil and gas, and infrastructure sectors for resource exploration, reservoir mapping, and ground stability assessment.

1 investor

WeightsLab is an interactive AI model development platform for training, fine-tuning, and debugging AI models, currently supporting computer vision models. It is built for AI researchers, engineers, and developers, runs on-premise on the user's own hardware, and keeps data and model weights under the user's control.

1 investor

Great Bay Bio applies systems biology—combining biology, engineering, and computation—to model the complexity of health and disease and support precision medicine. It works with biotech and pharma companies to pursue biomedical, technological, and business-model innovation.

1 investor

Green Independence develops clean energy technologies, including the NAL system, targeting a global market seeking sustainable and environmentally responsible energy solutions.

1 investor