Deep Tech Startups

Sternula operates a commercial satellite network delivering affordable data connectivity to maritime vessels through AIS 2.0 technology, enabling digital services for ship operators. The company targets maritime industries globally, particularly smaller vessels and independent operators.

1 investor

Stimline provides software and automation systems for oil and gas well completion and intervention operations, including its IDEX collaboration platform used by energy and service companies for drilling, completion, intervention, and P&A. Its products cover automated wireline, coiled tubing, and carbon rod systems as well as digital planning and rig-site execution tools.

1 investor

Stirweld makes friction stir welding (FSW) technology accessible by supplying FSW heads that add welding capability to existing machining centers and an FSW spindle that converts industrial robots into hybrid welding/machining tools, along with engineering support and training. It serves manufacturers in sectors such as aerospace, automotive, rail, energy, and shipbuilding.

1 investor

STM develops microneedle patch technology for painless, temperature-stable delivery of drugs, vaccines, and supplements to humans, animals, and for nutraceutical applications. The platform eliminates cold-chain storage requirements and enables single-application multi-dose delivery across therapeutic and preventative use cases.

1 investor

STOFF2 produces green hydrogen through zinc intermediate step electrolysis, a technology that combines hydrogen generation with energy storage using renewable sources like solar and wind. The system reduces hydrogen production costs by using electricity during periods of surplus renewable generation and operates without requiring critical materials like platinum, cobalt, or lithium.

1 investor

Stoke Space develops Nova, a fully and rapidly reusable rocket, along with a reusable upper-stage vehicle for on-demand access to orbit and in-space operations such as asset capture, repositioning, and cargo logistics. The company runs vertically integrated design and manufacturing of its rocket engines, structures, and avionics from its own headquarters and test facility.

1 investor

Stone designs and manufactures power generation turbines from the ground up, starting with natural gas turbines shipping in 2027, followed by steam, geothermal, and advanced cycles. The company aims to rebuild industrial manufacturing capacity for large-scale turbine production.

1 investor

Strand AI predicts missing biological data modalities from existing patient data, converting single histopathology slides into spatial protein maps and inferring gene expression from genotype. The platform serves researchers and clinicians in computational pathology and genomics.

1 investor

Strangeworks provides optimization and quantum computing services, combining embedded PhD-level specialists with a heterogeneous hybrid compute platform and an agent product called Aura to turn complex operational problems into production systems. It serves enterprises and governments in sectors such as aerospace, using classical, quantum-inspired, and quantum resources.

1 investor

Stratosvir develops engineered viral immunotherapy treatments for advanced cancers, including prostate cancer, using modified viruses to activate the body's immune system against tumors. The company targets patients with advanced solid tumors where current treatment options are limited.

1 investor

Stream Biomedical is a clinical-stage biotechnology company developing LG3, a biologic derived from a natural repair protein intended to protect and restore the brain by activating its repair systems. Its lead program targets Alzheimer's disease and related dementias, with potential use in stroke, traumatic brain injury, and other neurological conditions.

1 investor

Stream Ocean develops AI-powered monitoring technology and hardware for real-time marine life and ocean ecosystem tracking. The company serves conservation organizations, researchers, and environmental agencies focused on protecting coral reefs and marine biodiversity.

1 investor

StreamPlay designs and develops embedded vision, Edge AI, and camera systems for defence, security, industrial automation, mobile work machines, and medical imaging applications. The company combines sensor integration, real-time video processing, audio analytics, and artificial intelligence to enable intelligent, connected products across demanding environments.

1 investor

StretchSense develops a control platform for managing extended reality (XR) headsets during instructor-led training, enabling real-time monitoring of learner progress, performance analytics, and device management across educational and industrial settings.

1 investor

Start2 Group is a global innovation partner that supports startups through development and commercialization services, working with governments, investors, and corporations across North and South America, Europe, and Asia.

1 investor

Strong Force IP builds and manages patent portfolios focused on technology convergence, particularly at the intersection of AI with other major technologies including IoT, blockchain, autonomous vehicles, and energy systems. The company serves enterprises and R&D organizations seeking first-mover advantage and market positioning through strategic IP acquisition and development.

1 investor

Structura Biotechnology develops computational software and methods that scale cryo-EM structure determination for drug discovery and life sciences research. The company's platforms deliver high-resolution 3D protein reconstructions and real-time analysis for academic and pharmaceutical research teams.

1 investor

Stuart Therapeutics is a clinical-stage pharmaceutical company developing synthetic collagen mimetic peptides (its PolyCol platform) designed to bind and repair damaged helical collagen in the extracellular matrix. Its therapies target chronic eye diseases including dry eye disease, glaucoma, and inherited retinal disorders such as retinitis pigmentosa and age-related macular degeneration.

1 investor

Atelico builds an on-device AI engine for video games that gives characters lifelike intelligence, natural player interaction, and in-world reasoning without relying on cloud AI. The company demonstrates its technology with GARP, a real-time generative-agents simulation running locally on consumer GPU hardware.

1 investor

Sturfee provides a Visual Positioning Service (VPS) that enables augmented reality experiences across entire cities. It offers coverage for cities and countries to support AR applications.

1 investor

Subcritical Systems develops accelerator-driven nuclear energy systems that use a particle accelerator to sustain fission in a subcritical core for electrical power generation in the US. The technology is designed to be inherently safe with no criticality potential and cost-competitive with natural gas.

1 investor

Subra develops scalable superconductor solutions aimed at improving energy transmission and infrastructure. The company positions its technology as supporting clean, connected, and carbon-free energy systems.

1 investor

Substrate is developing a U.S.-based semiconductor foundry, inventing technology aimed at extending Moore's Law while lowering the cost of leading-edge fabs and the wafers they produce.

1 investor

SUDx-Biotec develops sugar chain-based diagnostic technologies and solutions. The company operates in the biotech sector, headquartered in Kagoshima, Japan.

1 investor