Semiconductors Startups
807 companies tagged Semiconductors, with their investors and founders.
Outerport automates the design of electrical and control systems within heavy industrial equipment, using AI agents to convert specifications into verified CAD drawings and structured design models. The platform serves manufacturers and OEMs building complex machines across semiconductors, process plants, and mechanical equipment.
4 investors
Quantifi Photonics builds photonics and high-speed I/O test and measurement instruments that support product development, validation, characterization, and manufacturing. It serves photonics developers and manufacturers, including applications in optical communications and AI-enabled data centers.
4 investors
QuantWare designs and manufactures quantum processors (QPUs) for industrial applications. The company is building KiloFab, a production facility to scale quantum processor manufacturing.
4 investors
Rain develops energy-efficient hardware for artificial intelligence workloads. The company focuses on building AI compute chips.
4 investors
Qorvo develops radio frequency and power semiconductor components, including front-end modules, power amplifiers, filters, switches, GaN transistors, and power management ICs. Its products serve applications such as Wi-Fi, 5G, cellular, defense/aerospace, and cable/CATV infrastructure.
4 investors
Ricursive Intelligence is an AI lab developing self-improving systems focused on chip design, aiming to close the feedback loop between AI and hardware development to accelerate progress toward artificial superintelligence.
4 investors
SCINTIL Photonics develops integrated silicon photonics laser sources, including a single-chip DWDM-native multi-wavelength laser (LEAF Light) built on its SHIP heterogeneous integration process, for optical interconnects in AI datacenters. Its products target the scale-up compute networks of AI accelerators that require high-speed, low-latency, power-efficient optical transceivers.
4 investors
Silimate builds AI-powered EDA software that accelerates chip design workflows by combining fast computation engines, machine learning models, and user-friendly interfaces. The platform serves SoC and IP companies in hardware design by functioning as a copilot to help chip designers understand design tradeoffs and iterate faster.
4 investors
Snowcap Compute develops superconducting computing platforms using Josephson Junctions to replace semiconductor transistors, delivering orders-of-magnitude greater energy efficiency for AI and high-performance computing workloads. The technology operates on proven cryogenic infrastructure and uses standard semiconductor manufacturing processes.
4 investors
Speedata develops an Analytics Processing Unit (APU), a purpose-built semiconductor chip designed to accelerate database analytics and AI workloads for enterprises. The company integrates hardware and software to deliver high-performance analytics infrastructure for data-intensive computing tasks.
4 investors
SpiNNcloud Systems builds neuromorphic, brain-inspired computing hardware based on its SpiNNaker2 Arm-based AI processors, aimed at running AI workloads at supercomputer scale with higher energy efficiency than GPUs. Its systems target data centers and high-performance computing environments facing energy constraints from GenAI growth.
4 investors
SweGaN produces QuanFINE gallium nitride (GaN) epitaxial wafer materials for device foundries, fabless firms, and system manufacturers. Its materials target RF applications such as 5G telecom, defense radar, satellite communication, and aerospace, as well as high-voltage power electronics for EVs and data centers.
4 investors
Unispectral designs and manufactures semiconductor MEMS-based hyperspectral chips and spectral camera modules that miniaturize traditional hyperspectral imaging systems into lightweight, low-power devices. Its products, including NIR spectral cameras with USB3 connectivity, target industries such as consumer electronics, smart home appliances, food detection, agricultural monitoring, security, and autonomous driving.
4 investors
Vector Photonics develops PCSELs (photonic crystal surface-emitting lasers), a type of semiconductor surface-emitting laser designed to be lower cost and easier to integrate than conventional lasers. Spun out of the University of Glasgow, its lasers target markets including data communications, additive manufacturing, LiDAR, optical sensing, and free-space optical communication.
4 investors
Voyant Photonics builds chip-scale, solid-state FMCW LiDAR sensors using silicon photonics with on-chip beam steering, delivering 4D depth and velocity data without moving parts. Its Helium and Carbon sensor platforms target physical AI applications such as autonomous systems in factories, warehouses, cities, and industrial and consumer settings.
4 investors
xLight develops free-electron laser (FEL) technology and advanced accelerator systems. The company builds x-ray science facilities and instrumentation for ultrafast science and research applications.
4 investors
Gaianixx develops, manufactures, and sells crystalline thin-film technology, including its "multifunctional intermediate film" and epitaxial materials based on a "dynamic lattice matching" mechanism researched at the University of Tokyo. The company aims to apply this materials technology to the semiconductor industry.
4 investors
Photo Electron Soul develops electron beam technology used in semiconductor inspection and metrology applications. The company presents its work at conferences such as the International Vacuum Nanoelectronics Conference and workshops on next-generation lithography.
4 investors
Intrinsic Semiconductor develops silicon oxide-based RRAM, a non-volatile memory technology that can be integrated directly onto processor chips. It targets embedded systems, microcontrollers, and edge AI hardware, aiming to lower power consumption and cost compared to external Flash memory.
3 investors
A UK-based company developing full-stack photonic quantum computers for applications in aerospace, cybersecurity, defence, energy, pharma and AI. The company builds scalable quantum systems using hybrid photonic chips compatible with telecom infrastructure and standard data centre environments.
3 investors
Agile Analog develops and automatically generates customizable analog IP for semiconductors using its Composa™ technology, serving ASIC and SoC designers across applications in high-performance computing, IoT, AI, automotive, and aerospace.
3 investors
Akhetonics develops all-optical computing hardware based on photonic integrated circuits that generate nonlinear optical operations, enabling optical logic gates, analog mathematical operations, optical memory, and quantum feed-forward. Its cross-domain architecture combines digital, analog, and quantum optical processing into XPUs aimed at low-power, high-performance compute for edge deployment outside the data center.
3 investors
Aledia develops next-generation MicroLED display technology based on 3D nanowires grown on silicon, operating a pilot line and high-volume production facility. It manufactures MicroLED semiconductor solutions from its production site near Grenoble, France.
3 investors
AlixLabs develops Atomic Layer Etch (ALE) equipment for semiconductor manufacturing, including its Atomic Pitch Splitting (APS) technology that replaces multiple patterning steps with a single process to lower the cost of producing leading-edge chips. The company positions itself as a pure-play ALE hardware maker for advanced chip production in Europe.
3 investors











