Deep Tech Startups
5,885 companies tagged Deep Tech, with their investors and founders.
Standard Intelligence builds AI foundation models designed to explore and learn like humans, including a general computer action model that can navigate websites, complete CAD modeling sequences, and drive a car in real time, as well as an open base model for conversational speech.
3 investors
Stark Defence describes itself as a defense company emphasizing speed of assembly and investing over 45% of its expenditure into R&D to convert innovation into capability.
3 investors
Starknet is an Ethereum Layer 2 Validity Rollup that uses STARK cryptography to validate off-chain transactions for greater scalability while retaining Ethereum's security. It offers native account abstraction, the Cairo smart contract language, and privacy features for developers building decentralized applications (DeFi, NFTs, gaming).
3 investors
Starlab is developing a commercial space station intended to support microgravity research, commercial innovation, and international collaboration in low-Earth orbit. The company designs, builds, and plans to operate the station to strengthen the low-Earth orbit economy.
3 investors
Starlight Engine develops fusion energy technology and aims to demonstrate commercial fusion power generation using advanced superconducting tokamak (FAST) technology. The company integrates research and industry expertise to advance fusion energy toward industrial implementation and societal deployment, with focus on Japan-origin technology for global markets.
3 investors
Steinmetz designs and manufactures high-voltage motor controllers and traction inverters for electric vehicles, industrial automation, and robotics. The company produces power electronics with industry-leading power density and efficiency for EV drivetrains and motor control systems.
3 investors
Stellon Labs develops compact AI models optimized for edge computing and resource-constrained hardware environments.
3 investors
STYLY, Inc. (formerly Psychic VR Lab) develops STYLY, a platform for creating and distributing VR/AR/XR content. The company is based in Tokyo, Japan.
3 investors
Subconscious develops TIMRUN, an inference runtime, and the TIM family of post-trained open models optimized for AI agent workloads rather than chatbots, offering on-GPU context compression that extends context windows and increases concurrency and token throughput. It serves developers building coding agents, agentic products, and edge deployments via OpenAI- and Anthropic-compatible APIs, and can act as a drop-in replacement for vLLM and SGLang.
3 investors
Sunfed was a New Zealand food-technology and manufacturing company that produced clean-label, whole-cut plant-based proteins with meat-like texture, including Chicken Free Chicken, Bull Free Beef, and Boar Free Bacon. Its products were sold through major supermarkets in New Zealand and Australia; the company completed a solvent wind-up in January 2026.
3 investors
Surf Therapeutics develops a non-invasive broad-beam ultrasound platform that stimulates nerves to activate the body's cholinergic anti-inflammatory pathway, aiming to restore immune balance and treat inflammatory and autoimmune disorders without drugs. The technology is designed for at-home use to manage chronic inflammation.
3 investors
Surgify Halo is a medical technology company that develops innovative bone cutting technology designed to improve safety, precision, and efficacy in surgical procedures.
3 investors
Switchback Systems develops a benchtop DNA synthesis platform that combines onboard oligonucleotide synthesis and gene assembly, aimed at putting synthetic biology tools directly in scientists' hands. It targets researchers across industries such as pharmaceuticals, agriculture, and plastics, positioning itself in the synthetic biology and DNA synthesis market.
3 investors
Sylvarum develops a Non-Thermal Plasma (NTP) seed treatment that uses controlled electrical discharges to improve germination, reduce seed-borne pathogens, and increase harvest output without chemicals, water, or genetic modification. It serves seed producers and agricultural companies as a chemical-free alternative to fungicide treatments.
3 investors
Symbolica is an AI research lab that combines category theory and type theory to build symbolic reasoning engines. The company has launched Agentica, an agent-builder platform that enables multi-agent systems with code execution capabilities.
3 investors
Synendos Therapeutics is a clinical-stage neuroscience company developing therapies that target the Endocannabinoid System to treat neuropsychiatric disorders at their root cause. Its focus is on anxiety- and mood-related conditions such as General Anxiety Disorder (GAD) and Post-Traumatic Stress Disorder (PTSD).
3 investors
A drug discovery company founded by an experienced medicinal chemistry team with expertise in successful pharmaceutical development and clinical advancement.
3 investors
Synonym builds tools for biomanufacturing companies to model bioprocesses, run techno-economic analysis, and find production facilities. Its platform includes engineering solutions for cost and viability modeling and a facility-matching network that connects companies to fermentation and bioproduction capacity.
3 investors
Synteny develops an AI platform that models the rules of molecular recognition to design modular protein therapeutics, pairing generative biology models with high-throughput experimental validation. The company is building a pipeline of T cell receptor T cell engager (TCR TCE) therapeutics targeting intracellular proteins for solid tumour oncology and cell-specific depletion in immunology.
3 investors
T-Therapeutics develops bispecific TCR-CD3 T cell engagers built on its OpTiMus TCR discovery platform to target previously undruggable intracellular targets. It creates first-in-class therapies for patients with cancer and autoimmune diseases, with lead programs in oncology (solid tumors) and immunology.
3 investors
Tactogen develops patented new chemical entities, including benzofuran-based compositions, and conducts preclinical research and publishes data on these compounds. The company operates in the neuroscience and pharmaceutical drug development space.
3 investors
tea is a web3 rewards protocol for open-source software that uses a Proof of Contribution ranking algorithm to measure the impact of OSS projects. It operates as an incentive layer integrated with major software package managers including Homebrew, npm, APT, Crate, PyPI, RubyGems, and pkgx.
3 investors
Tera AI develops foundation models for autonomous systems that enable real-time navigation and mapping on resource-constrained hardware using monocular cameras, applicable across diverse platforms.
3 investors
Teramount develops the Universal Photonic Coupler, a technology that connects optical fibers to silicon photonics for co-packaged optics, transceivers, and sensors used in AI/ML processors, switches, and other advanced computing. It targets data centers, telecom, and 5G/6G network applications, enabling high-volume manufacturing of high-bandwidth, low-power products.
3 investors












