Deep Tech Startups

Sundew Bio develops fermentation-based biological products and vaccines for the aquaculture industry, leveraging synthetic biology and microbial strain engineering to address disease control and health management in fish farming.

1 investor

SunFire Bio develops and sells characterized monoclonal antibodies targeting pneumococcal polysaccharides and Shigella pathogens for research purposes. The company serves vaccine development and infectious disease research markets in the biotech sector.

1 investor

Sunflower Capital is an early-stage venture firm that writes first checks (pre-seed and seed) to founders building companies in enterprise software, critical industries, and hardware/physical-world sectors. It backs teams across AI, data infrastructure, developer tools, healthcare, fintech, and defense, and works closely with founders on go-to-market, hiring, and fundraising.

1 investor

Sunu makes an augmented reality neck-worn device that uses radar, audio, and haptics to help visually impaired people navigate obstacles and orient themselves via GPS voice features. The company builds assistive mobility and daily-living hardware for blind and low-vision users.

1 investor

Super6 develops advanced supercapacitors using scalable materials for high-power energy storage applications. The company serves grid operators, transport, data centers, and industrial sectors requiring fast energy storage for sustainability and resilience.

1 investor

Superhero (SHU) builds enterprise digital twin systems orchestrated by an AI agent for heavy industry, aerospace, and infrastructure operators, spanning shipbuilding, satellite mission control, and pipeline management. It delivers a modular stack of real-time 3D and simulation solutions for high-stakes operations, with a client base concentrated in Korea.

1 investor

SuperCom provides digital identity solutions and RFID-based tracking systems to governments and organizations globally, serving use cases in border control, electronic monitoring, healthcare, and public safety.

1 investor

Supercool Earth develops technology to produce precipitation on demand. The company is headquartered in San Francisco with manufacturing in Nova Scotia, Canada.

1 investor

Autofabricantes collaborates with Universidad Politécnica de Madrid on research and development projects for mechanical prosthetics and mobility devices, designed and tested with individuals who have motor disabilities. The organization works on arm and leg prosthetics, specialized wheelchairs, and 3D printing materials research in partnership with university students and faculty.

1 investor

SuperLight Photonics develops compact, integrated photonics-based laser sources for scientific and industrial applications including optical coherence tomography, spectroscopy, and imaging. The company serves laboratory and industrial customers across biomedical, research, and manufacturing sectors.

1 investor

Supermag manufactures magnetic levitation motors, fluid transport systems, and vacuum solutions for semiconductor, biopharmaceutical, chemical, and energy industries. The company provides high-purity, low-shear equipment designed to meet demanding manufacturing and processing requirements across multiple industrial sectors.

1 investor

Superposia develops platforms, educational resources, and tools to make quantum computing accessible to developers, researchers, and businesses without requiring deep quantum physics expertise. It focuses on bridging quantum theory and practical applications across various industries.

1 investor

Surface Generation builds custom production equipment and its PtFS process-control platform for high-performance manufacturing applications such as in-situ consolidation, 3D printing, and automated tape lay-up. It serves the aerospace, automotive, and consumer goods industries with solutions ranging from off-the-shelf products to turnkey systems.

1 investor

Surfix develops diagnostic tests based on surface modification and organic chemistry technologies, offering accessible and easy-to-use solutions for early diagnosis and monitoring of medical conditions. The company operates as a spin-off from Wageningen University & Research's organic chemistry department.

1 investor

Surftec Engineering develops and manufactures specialized surface coatings including low-friction, anti-corrosion, anti-icing, anti-fouling, and mold release formulations. The company serves industrial customers requiring advanced tribological and surface engineering solutions.

1 investor

SurFunction develops functional metasurfaces using laser-structured precision and advanced materials, serving manufacturers who need surface processing capabilities through rapid prototyping, dedicated systems, or direct integration into production lines.

1 investor

A software platform for neurosurgical training and simulation that provides real patient DICOM imaging visualization, surgical simulation with physiological replication, and performance tracking tools for neurosurgeons and surgical trainees. The platform includes specialized modules for neurovascular, neuro-oncology, and spine procedures with detailed implant evaluation and personalized mentor assessment capabilities.

1 investor

Sussex Place Ventures is an early-stage venture capital firm that invests in entrepreneurs building enterprise software and patent-protectable deep technology.

1 investor

OceanWell develops deep-ocean desalination technology, described as "water farms," to produce drinking water, and is building its first commercial water farm with the Las Virgenes Municipal Water District. It works with public water agencies in California to supply water to their service areas.

1 investor

SWAN Genomics is developing a DNA sequencing platform based on plasmonic nanoantenna technology that detects single molecules on native genetic material without amplification, preserving epigenetic information like methylation in a single run. Its in-development Gen 1 platform combines an instrument, reagents, and flowcell aimed at applications spanning clinical diagnostics and genomics research.

1 investor

SwirlX develops advanced thermal management and heat-exchange systems for data centers, using AI-designed 3D-printed swirl geometries to cool high-density AI computing infrastructure. Its technology aims to make data centers smaller, more powerful, and more energy efficient.

1 investor

Swiss Vault develops hardware and software solutions for large-scale data storage and archival, serving data-intensive industries including genomics, telecommunications, seismic analysis, and astronomy. The company's systems combine custom hardware with proprietary file system software to enable rapid data access while reducing energy consumption and storage costs.

1 investor

Swiss Decode develops portable DNA detection devices that deliver results in under an hour, enabling evidence collection at the point of need without external laboratory testing.

1 investor

Swisspod develops hyperloop transportation technology intended to move people and goods between cities at high speed. It operates a test site called the Matterhorn Facility.

1 investor