Deep Tech Startups

Mach33 is a research-driven investment firm focused on "expansion technologies," publishing deep research and backing founders building in frontier areas such as space and deeptech. It supports startups whose technologies it studies through its own research.

1 investor

375ai builds a physical-world data layer that captures continuous, labeled multimodal streams (video, audio, geometry, environment) from edge nodes on urban infrastructure across the United States. It sells this ground-truth data to teams training AI models and enterprises working in world models, robotics, autonomous systems, simulation, and mapping.

1 investor

384 is a platform for communication, storage, and computing built on cryptographic techniques such as elliptic curves, zero-knowledge proofs, and micro-federation, with edge computing and client-side containers. It aims to provide security, privacy, and digital sovereignty as an alternative to legacy computing architectures.

1 investor

3Brain develops electrophysiology technology, including high-density microelectrode array (HD-MEA) platforms such as BrainWave 6 software, BioCAM DupleX, and CorePlate, used to record and analyze cellular and neuronal network activity. Its products serve researchers studying organs and related illnesses in life sciences and neuroscience.

1 investor

3C Therapeutics develops therapeutics using targeted protein degradation, centered on a proprietary modular Degrader-Antibody Conjugate (DAC) platform (TriCore) that delivers intracellular protein degraders via monoclonal antibodies. The company focuses on drug discovery for previously inaccessible targets through a ligand-independent conjugation approach.

1 investor

3D Continuum provides end-to-end digitization and artificial intelligence solutions for maritime and offshore infrastructure assets. The company serves asset owners, operators, contractors, inspectors, financiers, insurers, and regulators seeking more efficient and cost-effective monitoring and delivery of critical infrastructure.

1 investor

3dar develops mixed reality games and entertainment experiences. The company creates immersive gameplay that blends animated figures with real-world environments, including titles like Eggscape, a kung fu-themed adventure game.

1 investor

3DiVi develops face recognition and computer vision software, offered through its Face SDK and related products, for use in areas such as public safety and audience analytics for advertising. Its technology is licensed to businesses and integrators building identity, security, and demographic-targeting applications.

1 investor

3DNexTech develops 3DFinisher, an automated post-processing technology for 3D printing that improves the aesthetic and mechanical qualities of objects made from ABS, ASA, PETG and cellulose acetate, turning semi-finished parts into finished products. The deep tech startup focuses on research and production of solutions to make the plastic life cycle more sustainable.

1 investor

3DThinks is a startup developing accessibility-focused technology, including non-intrusive sensor and software solutions, aimed at creating a more inclusive and connected world. The company is based in Barcelona.

1 investor

4itec Lusitânia specializes in research and development for the industrial sector, designing and implementing cost-effective solutions to increase productivity, efficiency, and reliability of industrial processes. The company combines technological innovation and applied engineering with over 45 years of automotive industry expertise from its founders.

1 investor

4K-MEMS SA develops miniaturized broadband infrared (NIR/SWIR) light sources and MEMS thermal emitter chips that can be embedded in compact devices, manufactured at wafer scale for mass production. Its emitters target machine vision, hyperspectral imaging, and portable spectroscopy for applications such as chemical sensing, medical diagnostics, and consumer electronics.

1 investor

4th Phase Technologies develops a chemically densified carbon nanotube (DCN) membrane sheet used for filtering chemicals from liquids, with applications ranging from hazardous waste treatment to water purification. The company positions its material for water purification and filtration use cases.

1 investor

64x provides a platform and product suite for manufacturing advanced therapeutics, including gene therapies, cell therapies, and biologics. The company uses massively parallelized screening and computational insights to engineer high-yield cell lines and production technologies that accelerate the manufacturing of next-generation medicines.

1 investor

A drug discovery and therapeutic company creation platform that accelerates the development of new medicines from research institutions in Singapore. It partners with global research institutions, life science investors, and the drug development company Evotec.

1 investor

6over3 Institute develops Personal Intelligence technology intended to augment human capabilities.

1 investor

7 Semiconductors is establishing a European-based GaN (gallium nitride) foundry service to serve diverse semiconductor needs, with a focus on advanced packaging for AI data centers and high-frequency applications. The company emphasizes sustainability through organic coatings and carbon footprint reporting, and positions itself around European industrial capability and security.

1 investor

8-Fold operates a knowledge ecosystem focused on physical AI, bringing together researchers, engineers, and builders to share ideas and developments in the field.

1 investor

8090 Industries invests in and accelerates industrial companies developing breakthrough technologies across energy, manufacturing, supply chain, and edge computing sectors. The firm partners with established industrial corporations to identify and scale the next generation of industry leaders.

1 investor

83 Sciences converts unpublished experimental research data into academic papers, patents, and commercialization opportunities for research organizations. The platform captures laboratory data and uses AI to identify valuable findings within discarded experimental datasets.

1 investor

9Bio designs biologics using computational protein structure modeling and large-scale digital screening of protein variants to identify disease-selective candidates before lab testing. The company aims to engineer biologics that bind more precisely to diseased tissue to improve safety and efficacy.

1 investor

A2 Bio develops precision CAR T-cell therapies using its Tmod cell engineering platform for both autologous and allogeneic applications. The company targets cancer and other serious diseases and advances its therapies through clinical trials.

1 investor

a2sys develops an agent-native inference operating system that integrates AI, software, and hardware on memory-centric infrastructure, optimized for agentic workloads and LLM-based tool-calling at scale.

1 investor

The page presents a company positioned around space exploration, referencing Earth, the Moon, Mars, and India's Mangalyaan mission, but provides no concrete detail about a specific product or service.

1 investor