Deep Tech Startups

Singular Photonics develops digital image sensors based on single-photon avalanche diode (SPAD) technology, which convert photons directly into digital signals to capture depth and temporal data as 4D images. The sensors are designed for time-resolved imaging at very low light levels without analogue signal processing.

1 investor

Sinntaxis is a pharmaceutical company developing mGluR5 negative allosteric modulators as a drug therapy to restore brain function and support recovery after stroke and brain injury. Spun out of Lund University, it runs a preclinical discovery platform for stroke recovery research and licensed IP on this treatment approach.

1 investor

SiNON Nano Sciences develops carbon nanoparticles for therapeutic and diagnostic applications, including targeted drug delivery, fluorescent bio-imaging, and treatments for oncology, diabetes, and cardiology.

1 investor

Sinovia manufactures printed light films that emit light uniformly across custom geometries, replacing traditional LEDs, PCBs, and optical components for products where space and thinness are constraints. The company serves manufacturers in consumer products, industrial, and specialty applications seeking thinner, faster, and more sustainable lighting solutions.

1 investor

Sintavia designs and additively manufactures PTMS (Power & Thermal Management Systems) components and subsystems for the aerospace and defense industry using advanced manufacturing techniques. The company specializes in thermodynamic, propulsion, and power systems that offer weight savings and improved performance compared to conventionally manufactured parts.

1 investor

Sioux Technologies is a privately-owned high-tech systems integrator that develops complex hardware and software solutions combining software, electronics, mechatronics and assembly for international industrial clients. The company serves manufacturers and technology leaders across sectors including semiconductors, medical devices, automotive and industrial automation.

1 investor

Sira Medical develops augmented reality technology for preoperative surgical planning that helps doctors visualize medical imaging in a spatial context. The company serves surgeons and radiologists seeking to improve the safety and efficiency of surgical procedures.

1 investor

SisuSemi develops materials technology for semiconductor manufacturing that addresses atomic-level impurities at semiconductor interfaces to enhance chip performance and production efficiency. The company is based on materials research from the University of Turku, Finland, and commercializes patents in advanced materials and nanotechnology.

1 investor

SisuSemi provides an atomic-level purification process (ALP) that cleans and orders semiconductor wafer surfaces to remove atomic-scale contaminants and defects, targeting advanced nodes at 3 nm and below. The technology, aimed at semiconductor manufacturers, reduces defect density and leakage current to improve chip performance and manufacturing yield, and integrates into existing production lines.

1 investor

Sitehop provides encryption technology designed for real-time data protection that prioritizes speed and quantum-readiness. The company serves organizations seeking to secure data-in-motion without compromising performance or future-proofing against quantum threats.

1 investor

Sitepace offers AI-powered CCTV monitoring for construction and industrial sites, detecting safety violations, PPE non-compliance, and unauthorized zone access in real time. The platform provides automated alerts, worker movement tracking, and analytics for site operations and compliance documentation.

1 investor

Sivers Semiconductors is a publicly listed semiconductor company based on its Nasdaq Stockholm listing.

1 investor

Six-15 develops rugged head-up displays (HUDs) and augmented reality hardware for real-world industrial applications, aimed at increasing productivity, reducing training time, and improving safety.

1 investor

SIXAI is a system integration company that embeds advanced technologies and artificial intelligence into legacy industrial sectors. Its portfolio includes MAESTRO, a centralized control tower for coordinating indoor and outdoor floor operations, and Powermat, a wireless power/inductive charging technology developer.

1 investor

Sixdof develops optical tracking technology using infrared sensors and algorithms for real-time, low-latency position and orientation detection without GPS, enabling applications in drone delivery, robotics, AR/VR, and autonomous systems.

1 investor

SK Ventures is a seed-stage venture fund focused on early-stage technology investing around themes explored at the Defrag and Glue conferences. It was founded in 2011 by Eric Norlin.

1 investor

Skaha Labs designs and builds passive microwave polarimeters (dual-polarization radiometers) that measure surface and root-zone soil moisture from a distance, deployable on UAVs, vehicles, and irrigation center-pivots. The sensors serve researchers, academia, and farms for applications such as irrigation water management and agricultural soil moisture mapping.

1 investor

SKAI LABS develops air traffic management technology, using machine learning and data analytics to optimize route planning, airspace capacity, and traffic flow. Its tools serve aviation authorities, airline operators, air traffic controllers, and airspace managers.

1 investor

Skana Robotics engineers autonomous maritime vessels for defense and special operations applications. The company combines operational expertise from maritime special operations with advanced robotics and autonomous systems technology.

1 investor

Skanio uses LiDAR-based 3D reality capture to create digital twins of elevators and escalators, building a digital database that replaces manual on-site surveys. It targets elevator and escalator modernisation planning, aiming to cut site visits, reduce errors, and lower survey costs and CO2 emissions.

1 investor

Skeletalis is developing OASIS, a targeted small-molecule platform for musculoskeletal and bone health that concentrates therapy at sites of active bone loss while preserving the body's natural bone remodeling. The company translates bone biology research into therapies designed to protect and rebuild bone.

1 investor

SkiiMoo Tech is a research and engineering firm that develops technology-based products for niche markets. The company focuses on creating technologically advanced solutions designed to improve human lives.

1 investor

Skouria applies geothermal engineering principles to develop hydrometallurgical systems for mineral extraction. The company uses stimulation and lixiviant technologies to engineer subsurface reservoirs for mining operations.

1 investor

Sky Spy develops signals intelligence (SIGINT) technology for real-time RF tracking in contested electromagnetic environments on the battlefield. Built by combat veterans and engineers, its system is designed for military and defense use and was developed and tested using data from active combat zones in Ukraine.

1 investor