All Industries

Top Deep Tech Companies

298 Deep Tech companies, sorted by total funding raised.

Sila Nanotechnologies

Develops and manufactures silicon-based anode materials and battery engineering services for EVs,...

Alameda, United States201–500Advanced Manufacturing, Deep Tech
Series G Plus·$1.2B·Jun 2024
TAE Technologies

Fusion energy company developing clean energy solutions.

Foothill Ranch, United States201–500Energy, Deep Tech
Series G Plus·$1.2B·Jun 2025
Sunfire

Manufactures industrial electrolyzers producing green hydrogen and syngas for heavy industries an...

Dresden, Germany501–1000Clean Energy, Hardware
Growth Equity·$788.5M·Jul 2025
Boston Metal

Develops Molten Oxide Electrolysis to produce low-carbon steel and recover valuable metals from m...

Boston, United States201–500Climate Tech, Manufacturing
Convertible·$525.0M·Jul 2025
Radiant

Clean energy startup developing portable nuclear microreactors as zero-emission alternatives to d...

El Segundo, United States51–200Nuclear Energy, Clean Energy
Series D·$465.0M·Dec 2025
Inertia

Inertia is a commercial fusion energy company.

LivermoreClean Energy, Deep Tech
Series A·$450.0M·Feb 2026
Hyperloop OneClosed

High-speed transportation company developing vacuum tube travel technology

Los Angeles, United States201–500Deep Tech, Transportation
Venture Unknown·$449.0M·May 2019
Zap Energy

Nuclear fusion energy company developing compact, low-cost fusion reactors using sheared-flow-sta...

Everett, United States51–200Nuclear Fusion, Clean Energy
Series D·$324.0M·Sep 2024
XPANCEO

Deep tech company developing smart contact lens computing platform.

Dubai, United Arab Emirates51–200Deep Tech, Hardware
Series A·$250.0M·Jul 2025
XanaduIPO

Photonic quantum computing company building quantum computers using light-based technology, with ...

Toronto, Canada201–500Deep Tech, Quantum Computing
Series C·$241.0M·Nov 2022
QuEra

QuEra Computing builds neutral-atom quantum computers, offering cloud and on-premises access to i...

Boston, United States51–200Deep Tech, Hardware
Venture Unknown·$230.0M·Feb 2025
Starcloud

Data centers in space

Redmond, United States1–10Cloud, Space Tech
Venture Unknown·$193.9M·Mar 2026
Proxima Fusion

Develops QI stellarators and designs fusion power plants, partnering with utilities and institute...

Munich, Germany51–200Clean Energy, Deep Tech
Series A·$193.7M·Sep 2025
Atom Computing

Quantum computing company building highly scalable, gate-based quantum computers using arrays of ...

Berkeley, United States51–200Deep Tech, Hardware
Series C·$183.0M·May 2025
Kepler

Distributed computing that harnesses the power of multiple nodes to augment computational power

Moraga, United States51–200Artificial Intelligence, Deep Tech
Series B·$175.6M·Oct 2023
Marvel Fusion

Munich-based fusion energy company developing laser-driven inertial fusion power plants for indus...

Munich, Germany51–200Deep Tech, Energy
Series B·$172.8M·Mar 2025
SpinQ

Chinese quantum computing company with commercial applications.

Shenzhen, China51–200Quantum Computing, Deep Tech
Series C·$137.0M·Apr 2026
Tokamak Energy

Fusion energy startup developing compact tokamak reactors and high-temperature superconducting ma...

Abingdon, United Kingdom201–500Deep Tech, Energy
Venture Unknown·$125.0M·Nov 2024
Syzygy Plasmonics

Builds light-powered reactor systems to produce sustainable fuels, hydrogen, and chemicals for in...

Houston, United States11–50Climate Tech, Deep Tech
Series C·$104.8M·Nov 2022
Kitty HawkClosed

Electric vertical takeoff and landing aircraft company backed by Larry Page

Palo Alto, United States201–500Autonomous Vehicles, Deep Tech
Venture Unknown·$101.0M·Sep 2022
Nord Quantique

Builds superconducting, bosonic-code quantum computers with qubit-level error correction to deliv...

Sherbrooke, Canada11–50Hardware, Industrials
Venture Unknown·$99.5M·May 2026
Exodigo

Exodigo is a technology innovator combining the power of proprietary advances in 3D imaging, sens...

San Francisco Bay Area, Israel201–500Deep Tech, Artificial Intelligence
Series B·$96.0M·Jul 2025
SRTX

Powering a better future for textiles.

Montreal, Canada51–200Deep Tech, Industrials
Growth Equity·$94.0M·May 2025
Albedo

Capturing the highest resolution satellite imagery

Denver, United States51–200Space Tech, Deep Tech
Extension Round·$93.0M·Jan 2024
Ferroelectric Memory Company

European fabless semiconductor company developing ferroelectric-based hybrid memory (DRAM+ and Ca...

Dresden, Germany51–200Semiconductors, Deep Tech
Series C·$91.8M·Nov 2025