All Industries

Top Deep Tech Companies

403 Deep Tech companies, sorted by total funding raised.

ARETE ASSOCIATES

R&D company with 223 SBIR/STTR awards from Department of Defense, Department of Energy, Departmen...

Northridge, United States201–500Aerospace, Deep Tech
GrantTotal funding$63.9MAug 2025
Astral Systems

Bristol-based deep tech company developing multi-state fusion technology to produce medical isoto...

Bristol, United Kingdom11–50Deep Tech, Healthcare
Venture RoundTotal funding$61.8MJun 2026
RADIATION MONITORING DEVICES, INC.

R&D company with 258 SBIR/STTR awards from Department of Defense, Department of Energy, Departmen...

Watertown, United States51–200Deep Tech, Defense Tech
GrantTotal funding$61.1MSep 2025
Windborne

Operates a global constellation of long-duration weather balloons and AI forecasts to deliver atm...

Redwood City, United States11–50Artificial Intelligence, Climate Tech
Series BTotal funding$60.6MAug 2026
ElevationSpace

ElevationSpace offers high quality & well equipped workspaces giving tenants a nurturing environm...

Sendai, Japan51–200Deep Tech, Space Tech
Series BTotal funding$59.8MJun 2026
planqc

planQC builds neutral-atom quantum computers using optical lattices, spun out of the Max Planck I...

Garching, Germany11–50Deep Tech, Quantum Computing
Series ATotal funding$59.4MJul 2024
Agnikul

Agnikul Cosmos designs and manufactures orbital-class launch vehicles powered by 3D-printed engin...

Chennai, India51–200Space Tech, Aerospace
Series CTotal funding$58.2MJan 2025
Cellular Intelligence

Cellular Intelligence (formerly Somite AI) is a Boston-based AI-native biotech building the first...

Boston, United States11–50Healthcare, Digital Health
Series ATotal funding$57.1MMay 2025
Realta Fusion

Develops compact, scalable modular fusion energy systems for industrial heat and power, targeting...

Madison, United States11–50Clean Energy, Deep Tech
Series ATotal funding$57.0MMay 2025
AstroForge

AstroForge develops deep-space mining technology to extract platinum-group metals from asteroids ...

Huntington Beach, United States1–10Space Tech, Robotics
Series ATotal funding$53.3MAug 2024
MAXENTRIC TECHNOLOGIES LLC

R&D company with 140 SBIR/STTR awards from Department of Defense, Department of Homeland Security...

Fort Lee, United States51–200Deep Tech, Defense Tech
GrantTotal funding$52.7MJul 2025
AderoAcquired

Smart tracking and organization technology

Santa Barbara, United StatesDeep Tech
Series BTotal funding$50.0MAug 2017
HOMERAcquired

HOMER is the essential early learning program that gives kids the best start to their learning jo...

San Francisco, United States51–200Deep Tech, SaaS
Series CTotal funding$50.0MSep 2020
Sooth Labs

Sooth delivers continuously updated, evidence-grounded forecasts that help organizations allocate...

Pittsburgh, United States1–10Artificial Intelligence, Deep Tech
SeedTotal funding$50.0MApr 2026
Ethereal Machines

Ethereal Machines designs, builds, and operates its own 3- and 5-axis CNC platforms on one produc...

Bengaluru, India51–200Deep Tech, Manufacturing
Series BTotal funding$48.1MJun 2026
MAINSTREAM ENGINEERING CORP

R&D company with 248 SBIR/STTR awards from Department of Defense, Environmental Protection Agency...

ROCKLEDGE, United States51–200Deep Tech, Defense Tech
GrantTotal funding$47.5MJul 2025
Atomic Industries

Atomic Industries is building the operating system for the physical world, starting with the mold...

Detroit, United States11–50Artificial Intelligence, Deep Tech
Series ATotal funding$45.2MSep 2025
CatalogDNAAcquired

Biotech company pioneering synthetic DNA-based data storage and computing platform.

Boston, United States11–50Biotech, Deep Tech
Series BTotal funding$45.0MSep 2021
App Orchid

AI-powered Innovation, Made Easy. App Orchid enables AI-powered business outcomes with measurable...

San Francisco, United StatesDeep Tech
Venture RoundTotal funding$45.0MMay 2024
Teleo

Supervised Autonomous Heavy Equipment

Palo Alto, United States11–50Autonomous Vehicles, Deep Tech
Series ATotal funding$44.4MDec 2025
Luminate Medical

We provide technology-enabled solutions that help oncology healthcare professionals and health pl...

Galway, Ireland11–50Deep Tech, Digital Health
Series ATotal funding$43.5MJan 2026
Crate.io

CrateDB is a distributed, real-time analytics database combining SQL simplicity with NoSQL scalab...

Redwood City, United States11–50Databases, Deep Tech
Growth EquityTotal funding$43.3MJun 2021
VECTOR ATOMIC INCAcquired

R&D company with 24 SBIR/STTR awards from Department of Defense, National Aeronautics and Space A...

Pleasanton, United States51–200Deep Tech, Defense Tech
GrantTotal funding$42.7MSep 2025
Niulinx

Autonomous driving technology startup for electric vehicles

Milan, ItalyAutomotive, Autonomous Vehicles
Series BTotal funding$41.0MApr 2026
RLWRLD

RLWRLD is developing robotics foundation models that empower robots to operate autonomously in re...

Vienna, South Korea11–50Deep Tech, Artificial Intelligence
Extension RoundTotal funding$40.8MFeb 2026