Deep Tech Startups

SoftwareQ develops quantum software tools and platforms, including quantum computing as a service and libraries for compiling and optimizing quantum circuits. Its offerings target developers and researchers working in quantum computing.

1 investor

SoHHytec develops the Arb, an artificial photosynthesis system that concentrates sunlight to split water into hydrogen and oxygen, with electricity and heat as byproducts. The technology serves industries, commercial operations, and residential complexes seeking on-site green hydrogen and power generation with minimal maintenance and a 25-year lifespan.

1 investor

Soitec designs and manufactures engineered semiconductor substrates using silicon-on-insulator and related technologies for use in smartphones, connected devices, automotive systems, and computing infrastructure. Its materials serve chipmakers and the wireless, automotive, and high-performance computing industries.

1 investor

Sol Clarity develops the Electrodynamic Screen (EDS™), a water-free, automated, non-contact technology that uses electric fields to remove dust from solar panels without manual labor or moving parts. A spin-off from Boston University, the company targets the solar energy industry to support renewable electricity production while conserving water.

1 investor

Solaya builds AI-powered 3D reconstruction software that turns smartphone videos of real-world objects and environments into high-fidelity 3D models using proprietary Gaussian Splatting and diffusion models. It serves brands and enterprises for uses such as luxury eCommerce, product digital twins, industrial digital twins, and robotics perception, and is based in Nice, France.

1 investor

Soleras develops thin film coating technologies and surface solutions integrated into consumer devices, renewable energy systems, and vehicles. The company provides proactive support and tailored coating solutions to maintain efficiency and reliability in production processes.

1 investor

A space-focused startup providing support and resources to early-stage companies through the European Space Agency's Business Incubation Centre in Greece, with access to technical expertise, infrastructure, and an industry network.

1 investor

SolidT develops thin-film thermoelectric platforms for solid-state temperature control, covering localized on-chip hotspot cooling up to complete module and system-level thermal management. Its technology targets applications needing precise, compact heating and cooling.

1 investor

SOLiTHOR develops solid-state battery cells using a Solid Composite Electrolyte (SCE) technology designed for higher energy density and commercial scalability. The company serves the EU battery ecosystem and automotive markets requiring advanced rechargeable lithium battery solutions.

1 investor

Solon Labs builds Anoka, a system for decentralizing web application front ends so that apps can run fully decentralized rather than relying on centralized servers. It focuses on censorship resistance and user privacy for web applications.

1 investor

Solonic is an early-stage company developing technology for urban environments. The company is currently in stealth mode and has not disclosed specific product details.

1 investor

SolverX develops AI foundation models based on a "Physics World Model" approach aimed at AGI, designed to incorporate the physical laws governing reality. The company positions its models for use by manufacturers.

1 investor

Solvice provides OnRoute, an API for route optimization and scheduling used by field service and home healthcare operators to plan optimized visit routes and assign caregivers or technicians based on skills, time windows, and vehicle constraints. The API-first product integrates with field service management platforms and returns optimized routes and schedules in real time.

1 investor

Somastacks builds infrastructure for physical AI, spanning from high-quality data collection to model deployment. Its stack is intended to connect artificial intelligence with real-world physical systems.

1 investor

NPL is a national measurement institute providing measurement science expertise and facilities to government, research organizations, and industries across the UK. The organization operates at the center of the UK's National Measurement System, ensuring consistency of measurement units and standards globally.

1 investor

Sonas Pharma is a biotech startup developing endocannabinoid-based therapies, focused on engineering CB1R-targeted molecules to treat epilepsy and metabolic diseases such as obesity. Its drug development approach centers on receptor selectivity, peripheral restriction, and optimized pharmacological and safety properties beyond first-generation cannabinoid drugs like CBD.

1 investor

SonicEdge develops second-generation MEMS microspeakers using modulated ultrasound technology, including SonicTwin, an 8x4x1 mm integrated speaker-microphone for true wireless stereo earbuds and headphones. Its compact audio components target consumer electronics, hearables, hearing aids, automotive, and home entertainment systems.

1 investor

Sonion designs and manufactures miniaturized audio components and solutions for hearing aids, including microphones, receivers, RIC systems, and sensors. The company serves hearing aid manufacturers globally as a component supplier.

1 investor

SonoMotion develops ultrasound-based medical devices for treating kidney stones, working with urologists and clinical partners. The company focuses on less invasive stone management technologies and has advanced these through clinical trials and regulatory efforts.

1 investor

Sonocharge develops a piezoacoustic platform technology that improves lithium-ion batteries by enhancing lithium diffusion kinetics, enabling faster charging, longer lifespan, and reduced fire risk. It targets applications including passenger and commercial EVs, grid storage, datacenters, and other high-performance battery uses.

1 investor

Sorama develops acoustic sensing technology that turns sound into actionable insights, offering solutions for leak detection, asset condition monitoring, building and façade inspection, noise reduction, and urban environmental sound monitoring. It serves industrial, building, and urban environments across a range of sound-related applications.

1 investor

Sound Energy converts waste heat into cooling using thermoacoustic technology, eliminating the need for traditional refrigerants and harmful chemicals. The company serves buildings, factories, industrial processes, and maritime projects seeking energy-efficient cooling solutions.

1 investor

Southchip designs analog and embedded integrated circuits for high-end consumer electronics, automotive, and industrial computing applications. The company provides end-to-end solutions focused on energy conversion management and system-level engineering.

1 investor

Southern Green Gas develops Direct Air Capture (DAC) technology that removes carbon from the atmosphere for positive use in energy processes. The company is bringing its DAC module to market, targeting renewable energy and climate mitigation applications in Australia.

1 investor