Semiconductors Startups

Sensorium Technological Laboratories is a Vanderbilt University spin-off that designs nanostructured metamaterials with tailored photonic properties, combining hyperspectral imaging with AI for sensing, detection, and metrology. Its products target the semiconductor industry, including defect detection for advanced packaging, along with gas detection and climate-tech applications.

1 investor

Sequans develops cellular IoT chipsets and modules for low, mid, and high-speed applications, as well as RF transceivers and silicon/software IP for IoT and communications products.

1 investor

Seta Connectivity develops miniaturized MEMS antenna technology based on principles of quantum physics, acoustics, and RF engineering to overcome traditional antenna size limits. Its ultra-compact, high-performance antennas target applications including consumer electronics, wearables, satellite communications, and medical implants.

1 investor

SG-GURU develops RF technology and frequency synthesizer products. The company positions itself as a specialist in radio frequency and frequency synthesizer components in South Korea.

1 investor

Skyworks Solutions designs and manufactures semiconductor products, including amplifiers, front-end modules, filters, RF passives, timing/clock devices, isolation components, diodes, and power management ICs. Its chips serve cellular, Wi-Fi, automotive, industrial, and infrastructure applications across 5G, IoT, and connectivity standards.

1 investor

Sigetronics develops semiconductor devices and materials, including APD sensors for LiDAR, bio-medical sensors for wearables, and GaN power FETs and RF HEMTs for 5G, radar, and charging applications. It also operates an M-FAB foundry with a portfolio of IPs serving 5G/6G mobile communications and related electronics markets.

1 investor

Teledyne DALSA designs, develops, and manufactures high-performance digital imaging products and semiconductor products and services, with core competencies in specialized integrated circuits, electronics, software, and semiconductor wafer processing. Established in 1980, it operates internationally as part of Teledyne Technologies.

1 investor

SigmaSense builds a semiconductor and software sensing platform that converts raw signals into high-precision, real-time data for applications including battery health monitoring (Onboard EIS), touch and touchless human interfaces, and industrial systems. It serves markets such as battery and power, automotive, medical, IoT, and consumer devices, and licenses its sensing technology to semiconductor makers like NXP.

1 investor

This page lists authorized sales representatives and distributors for Silicon Labs (Silabs), a semiconductor company, across the Americas, Europe, and Asia-Pacific. It provides contact details and office locations for partners such as Arrow Electronics, Digi-Key, and Braemac who distribute its products.

1 investor

Silicon Line develops integrated circuits with optical link technologies, including patented high-speed connectivity solutions that extend MIPI interconnects for high-resolution cameras. The company provides products and systems supported by an ecosystem of partners.

1 investor

SiLogy provides Viv, an AI verification engineer that autonomously debugs failing tests for chip developers by analyzing code, log files, and waveforms. The platform operates fully on-premise with optional bring-your-own-key LLM access, serving semiconductor design and verification teams.

1 investor

Silvertech develops a patented silicon carbide (SiC) lateral power MOSFET designed to deliver high-voltage performance at lower manufacturing cost than GaN devices and to allow on-chip integration compatible with silicon fabs. Its semiconductors target power electronics applications such as EVs, data centres, electric motors, inverters, and renewable energy grid systems.

1 investor

Simantic develops hardware simulation software that enables engineers and AI systems to test and debug embedded firmware without physical hardware constraints.

1 investor

Simplex Micro designs a configurable RISC-V vector processor IP platform optimized for vector processing and edge AI, positioned as a lower-power alternative to GPU/TPU-based systems. Its processors target applications such as autonomous systems, industrial automation, mobile, AR/VR, and data center inference, with support for customizable vector instruction sets.

1 investor

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

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

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

Sivers Semiconductors designs mmWave wireless chips (beamforming ICs, transceivers, antenna modules) and photonics products such as high-power DFB lasers and laser arrays. Its technology serves AI data centers, telecom (5G/6G, Fixed Wireless Access), SATCOM, and high-performance computing applications.

1 investor

Skyworks Solutions is a semiconductor company that designs and manufactures analog and mixed-signal ICs, including amplifiers, timing and synchronization products, filters, isolators, and front-end modules for wireless communications, automotive, industrial, and data center applications.

1 investor

Slip Signal develops electromagnetic interference (EMI) solutions for semiconductor design and electronic products. The company helps engineers design electronics that pass EMI regulatory testing before market entry.

1 investor

灵动芯光 (SmartCore) is a silicon photonics company developing chip-to-chip optical interconnect technology, including its SmartComb multi-wavelength dense-wave light source and SmartPHY optical I/O chiplet. Its products target AI computing infrastructure and support optical sensing applications such as underwater distributed acoustic sensing (DAS) systems.

1 investor

Smartera Semiconductor designs low-power, high-efficiency generative AI chips for smartphones, PCs, tablets, vehicles, robots, wearables, and other smart devices, offering integrated chip and software solutions. The company develops custom intelligent chip platforms optimized for various applications including AI photography, autonomous driving, and smart cabin features.

1 investor

SmartNanotubes Technologies develops digital smell recognition technology that enables customers to create smell and gas detection applications. The company serves product developers and companies building odor and gas sensing solutions.

1 investor

Soitec designs and manufactures semiconductor materials and solutions used for connectivity and computing from the edge to the cloud, serving the global semiconductor industry. The company operates manufacturing sites and sales offices worldwide, headquartered in Bernin, France.

1 investor