Deep Tech Startups
7,015 companies tagged Deep Tech, with their investors and founders.
Magnendo develops a magnetically steerable soft-robotic guidewire system for neurovascular endovascular procedures, enabling physicians to access hard-to-reach targets in the brain's blood vessels for stroke and aneurysm treatment. The system is designed to reduce procedural time, complications, and costs while improving patient outcomes.
1 investor
Magnetic is a European venture capital firm that funds early-stage technology companies in critical industries, focusing on financial technologies, the compute-energy stack, security and resilience, and physical economy systems. It backs software-driven founders from the earliest stages and acts as a long-term capital partner.
1 investor
Magneto develops sustainable heating and cooling technology with zero greenhouse gas emissions and higher energy efficiency, replacing traditional methods that contribute to climate change. The company also converts waste heat into usable power.
1 investor
Magnitude Instruments designs and manufactures transient absorption spectrometers for researchers and industries. The company provides optical instruments used in scientific research and technological innovation.
1 investor
Magnopus develops the Connected Spaces Platform, an open-source, client-side library that enables developers to build interoperable, cross-reality, multi-user applications across web browsers, VR headsets, mobile AR apps, and gaming consoles. The platform provides standardized communication infrastructure and cloud services to support real-time collaboration and synchronized experiences in shared digital spaces.
1 investor
MagPlasma develops plasma-based technologies that replace conventional heat and chemical processes in applications including air purification, sterilization, and material processing. The company targets industries seeking cleaner and more energy-efficient alternatives to traditional methods.
1 investor
MagrowTec develops magnetic assist and nanotechnology solutions to increase agricultural productivity while reducing reliance on scarce resources such as land, water, and labor. The company serves global food producers seeking sustainable intensification methods.
1 investor
The company develops assistive technology to make the world more accessible and inclusive. The team combines expertise in mechanical engineering, machine vision, software development, and user research.
1 investor
Makora builds a platform that automatically writes, optimizes, and deploys high-performance GPU code, using AI automation for autonomous GPU kernel generation, inference optimization, and real-time performance tuning across heterogeneous hardware. It targets teams running AI infrastructure that want to reduce compute costs and improve performance.
1 investor
Mana develops proprietary sodium-ion battery cell designs and electrolytes for applications including defense, aerospace, industrial power backup, datacenters, and electric vehicles. The company partners with established manufacturers to scale production of its anode-free sodium-ion battery technology.
1 investor
Mandala Space Ventures is a venture studio and venture fund that builds and invests in space technology companies, partnering with founders to incubate ventures around IP from institutions like Caltech and JPL. It provides incubation, technical advisory services, and acceleration support to early-stage space companies.
1 investor
Manifest develops volumetric additive manufacturing technology (P-VAM) for production-scale manufacturing of complex parts at high speed and precision. The company serves industrial manufacturers seeking to replace traditional layer-by-layer 3D printing with single-step fabrication of customized components.
1 investor
MantaBio builds an automated contamination and sterility testing platform for the drug supply chain, using a closed single-cartridge automated vPCR workflow (the MantaVision Automated vPCR Platform) for release and in-process microbial detection. It serves biopharma manufacturers, CDMOs, and clinical sites, deployable from the bioreactor floor to point-of-care manufacturing sites.
1 investor
Mantic is an AI forecasting platform that generates and manages prediction questions. The page references Mantic as a tool used to build a dashboard of forecasting questions, suggesting it combines AI-generated forecasting capability with human question-writing expertise.
1 investor
Mantis Space is a space utility company focused on delivering more energy to satellites and other assets in low earth orbit. It aims to support the growth of the space economy.
1 investor
Mantispectra develops ChipSense, a compact hyperspectral sensor for non-destructive material analysis across the 500β1700 nm spectrum. The sensor integrates photodetectors and computational spectroscopy to enable fast, accurate analysis with minimal calibration for applications ranging from industrial inspection to biomaterial assessment.
1 investor
Heptagon Photonics designs and manufactures wafer-level micro-optical modules and photonics components using wafer-level optics (WLO) technology, offering services from concept design through mass production. It serves consumer electronics OEMs and emerging photonics markets with miniaturized optical packaging solutions.
1 investor
Marathon Fusion develops fuel cycle technologies for fusion energy, including neutron-driven transmutation to produce radioisotopes and gold, advanced pumping for tritium burn efficiency, and isotope separation for fusion and industrial applications. The company supplies critical materials and processing technologies to the fusion energy industry.
1 investor
Marginum develops a fluorescence-based optical tissue monitoring technology that detects tumour cells from surgical suction waste in near real-time to help surgeons perform more accurate resections during cancer surgery. The system integrates into existing surgical workflows and is aimed at oncological surgery to reduce reoperations and improve patient outcomes.
1 investor
MarineLabs develops high-resolution coastal sensor networks and marine data intelligence for ocean monitoring and climate resilience. The company operates a fleet of sensors across North America to provide real-time oceanographic data for marine mobility and coastal risk assessment.
1 investor
Marquee Group provides management and marketing services for golf athletes, including athlete representation, contract and sponsorship negotiation, brand development, event management, media relations, and financial planning. It serves aspiring and professional golfers looking to develop their careers on and off the course.
1 investor
Martian Lawyers Club builds generative game technology, including a runtime logic engine (Nomic) that creates new game behaviours during play and local world models trained on game state to enable richer player control. Its products target video game development and players seeking dynamically generated, responsive game worlds.
1 investor
MaRVis develops MR-safe medical devices, particularly guidewires and catheters, designed to enable MRI-guided minimally invasive surgical procedures in cardiology, oncology, and vascular interventions. The company's proprietary materials allow visualization and safe operation of these devices within MRI environments without radiation exposure.
1 investor
Massive Dimension manufactures robotic 3D printing systems that enable printing on angled and non-planar surfaces beyond conventional horizontal methods. The MDAC1 is an industrial-grade additive manufacturing cell powered by an ABB collaborative robot designed for flexible manufacturing environments.
1 investor





