Deep Tech Startups

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

Sunflower Therapeutics develops next-generation biomanufacturing technologies to reduce the complexity and cost of bringing biologic medicines to market. The platform serves entrepreneurs and established companies developing protein-based therapeutics, biomaterials, and related health and wellness products.

3 investors

SunGreenH2 develops hydrogen production technology and is seeking strategic partners to pilot and trial its systems.

3 investors

Sunscreen is a company focused on cryptography, with a team specializing in cryptographic systems, high performance computing, signal processing, and computer security. Its work centers on applied cryptography and privacy-focused technology.

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

Syenex provides cell delivery technologies and contract development services for therapeutic cell engineering, serving biopharmaceutical companies developing cell-based therapies. The company integrates cell engineering and delivery capabilities with regulatory support for clinical development.

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

Synaffix develops antibody-drug conjugate (ADC) technology, providing linker-payload platforms that attach small-molecule, peptide, and protein-based payloads to antibodies for use in targeted cancer therapies. The company has been integrated into Lonza's Advanced Synthesis business platform.

3 investors

Synapse Semiconductor is a semiconductor research lab building image sensors that run neural-network computation directly on the sensor, integrating light capture and AI processing in each pixel to replace GPU-based edge vision. Its chips target computer vision applications in self-driving cars, drones, humanoid robotics, and space systems.

3 investors

Synfini provides AI-driven drug discovery collaboration services that help researchers advance targets and hits into optimized, patentable chemistry. The company offers a platform combining virtual screening, scaffold hopping, synthesis planning, and parallel library synthesis to accelerate early-stage drug discovery.

3 investors

A drug discovery company founded by an experienced medicinal chemistry team with expertise in successful pharmaceutical development and clinical advancement.

3 investors

Syntonym develops AI-powered visual anonymization technology that removes personally identifiable information from video and image data while preserving the visual signals needed for computer vision models to function effectively. The company serves enterprises and organizations across diverse industries seeking to deploy camera-based AI systems compliantly and at scale.

3 investors

Synvect develops ngSIT (next-generation sterile insect technique) technology to control mosquito-borne disease vectors through genetic engineering. The company serves public health organizations and disease control programs targeting mosquito-borne diseases worldwide.

3 investors

Tahoe generates large-scale perturbative single-cell biological data and builds ML models and autonomous research agents that predict cellular responses and validate hypotheses for drug discovery and biological research. It combines lab-generated data with AI models to provide biological ground truth for reasoning models.

3 investors

Talyn develops unmanned, battery-electric cargo aircraft that take off and land without runways using a two-vehicle system for regional cargo transport. The company is building aircraft capable of carrying 1000-lb payloads over 300 miles at 200+ mph.

3 investors

TandemAI combines AI-driven techniques with physics-based computational methods, backed by in-house high-performance computing and wet lab operations, to support drug discovery. It offers a cloud-enabled platform for research partners and the scientific community in the pharmaceutical and biotech space.

3 investors

TAU Systems is developing an X-ray laser light source built on compact particle accelerators, intended as the next-generation light source for semiconductor lithography machines. Its technology aims to fit inside existing chip fabs and print smaller chip features than current lithography light sources allow.

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

Tejas Networks, part of the Tata Group, designs and manufactures telecommunications equipment for building end-to-end networks, including 4G/5G wireless, fiber broadband, optical transport, packet switching, Satellite IoT, and broadcast and network-management solutions. It serves telecom operators, service providers, utilities, and government organizations in over 75 countries.

3 investors

Teradar develops terahertz-based sensors for automotive safety, defense, and emerging applications. The company applies advanced terahertz technology to create a new category of sensing devices.

3 investors

Ternoa provides a runtime security layer for continuously deployed software, using its TIP tool to monitor live systems for source mismatches, dependency compromise, and code tampering, and its CIFER tool to apply NIST-standardized post-quantum cryptography against harvest-now-decrypt-later risks. Its security operations settle on the Base blockchain, and it offers products such as Time Guardian, Athar, Unlinkable, CIFER Hub, and RWA integrations.

3 investors

TerraPower develops advanced nuclear reactors and related technologies to generate carbon-free electricity and heat for industrial decarbonization, while also producing radioisotopes for medical cancer treatments. The company addresses climate change and energy security through innovative nuclear technology.

3 investors

TerraWave develops a patent-pending millimeter wave drilling system that melts rock to reach ultra-deep geothermal resources (10 km+ and 450°C+), compatible with both closed-loop and fractured-reservoir heat exchangers. The technology aims to make deep geothermal energy scalable and lower the levelized cost of electricity.

3 investors

Terremoto Biosciences is a clinical-stage biotech developing precision therapies for oncology and genetic diseases using lysine-targeted covalent chemistry. It pursues both best-in-class treatments against known drug targets and first-in-class medicines against previously undruggable targets.

3 investors