Starbridge Venture Capital Llc
Venture capitalWashington · Seed · 8 people tracked
Investment thesis
Starbridge invests in space technology and defense tech companies that generate high-impact spinoff innovations for terrestrial applications. The firm focuses on companies with proven or provable success, clear pathways to liquidity, and understanding of industry value chain positioning. The team's experience navigating economic cycles enables them to guide portfolio companies through market challenges and identify adaptation opportunities.
Source: firm website, verified Jul 21, 2026.
Team · 8 people
from the firm's website
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What they invest in
from 17 of 33 portfolio companiesSpace Tech ×10Deep Tech ×8Climate Tech ×4Hardware ×4AI & Machine Learning ×3Energy ×3New Materials ×3Cleantech ×2
HQs:United States×7United Kingdom×1
Investments · 33 tracked
founders shown can be your intro pathDeveloping safe and intelligent humanoid robots for everyday use in homes and other settings.
1X is an AI and robotics company developing general-purpose humanoid robots for home and industrial use. Its flagship product NEO is designed as a home robot that autonomously handles household chores and learns alongside residents.
AI & Machine LearningConsumerHardwareRoboticsPalo Alto, US
Bernt Øyvind Børnich(CEO)
Zero-emissions portable energy source powered by waste scrap aluminum fuel for grid-independent applications.
AVEALTO develops satellite-based wireless infrastructure for telecommunications using high-altitude vehicles. The company combines decades of expertise in space, satellite systems, and telecom to deliver connectivity solutions.
Climate TechSpace Tech
Walt Anderson(Founder & CEO)David Chambers(Founder & CTO)Walter Anderson(Founder and Managing Director, Chairman)
Operating the Axiom Space Station as a microgravity laboratory for professional astronauts and private explorers conducting life-improving research.
Axiom Space develops commercial space stations and provides access to low-Earth orbit microgravity environments for research, manufacturing, and innovation by governments, researchers, and organizations.
Defense TechEdTechHardwareSpace Tech
Dr. Kam Ghaffarian(Executive Chairman)Michael Suffredini(Founder, former CEO and President)
Carbice manufactures aligned carbon nanotube-based thermal management products for aerospace, defense, and industrial power applications. The company operates the world's largest vertically aligned carbon nanotube production facility, located in Atlanta, Georgia, with additional operations in France and California.
Advanced ManufacturingDeep TechEnergyNew MaterialsAtlanta, US
Baratunde Cola(CEO & Founder)Dr. Baratunde Cola(CEO & Founder)
Celestis is a subsidiary of Space Services Holdings that operates memorial spaceflight services. The company serves customers seeking to commemorate loved ones through spaceflights.
Space TechHouston, US
Building high-temperature superconducting magnets and SPARC, the world's first net energy-producing fusion machine.
Commonwealth Fusion Systems develops commercial fusion power plants using high-temperature superconducting magnet technology to provide grid-scale energy.
CleantechClimate TechDeep TechEnergyUnknown, US
Brandon Sorbom(Founder)Unknown
Cosmic Shielding develops Plasteel, a radiation shielding technology that protects commercial off-the-shelf (COTS) hardware including GPUs, sensors, and electronics from radiation in space environments. The product enables AI systems and data infrastructure to operate reliably in orbit for satellite missions and other space applications.
Deep TechHardwareSpace Tech
Developing Multifunctional Shielding Polymer for protection against solar particle radiation and galactic cosmic rays.
GeoOptics develops satellite-based Earth observation instruments and GNSS weather products that provide atmospheric, surface, and subsurface data for environmental monitoring and planning. The company serves researchers, planners, and organizations addressing climate and environmental challenges globally.
Climate TechData & InfrastructureDeep TechSpace Tech
Lynk Global provides direct-to-device satellite connectivity to mobile phones without requiring ground infrastructure. The company operates in the satellite communications and telecom industry, serving mobile network operators and consumers globally.
Space Tech
<UNKNOWN>Tyghe Speidel(Co-Founder and CTO)
Building worldwide last-mile connectivity solution for narrow band communications using nanosatellites.
Space-based manufacturing company developing in-space 3D printing solutions and high-performance optical fibers; acquired by Redwire in 2020.
OffWorld develops autonomous robots for mining operations that adapt to unstructured environments through modular design and AI-powered controls. The company targets the mining industry with solutions that reduce carbon emissions and enable extraction from remote, difficult-to-access ore deposits.
AI & Machine LearningRobotics
Establishing space-based hyperspectral sensor infrastructure for monitoring services to the energy sector.
Outpost provides advisory and operational support to space companies, helping them scale from early stage through IPO and acquisition. The firm draws on extensive experience in spacecraft engineering, in-space manufacturing, commercial spaceflight, and space technology development.
Deep TechSpace Tech
Precursor gathers earth observation data from ground stations and satellite systems, processing it through machine learning to forecast earthquakes and space weather events days in advance. The company delivers geospatial intelligence for earthquake preparedness and space weather impact forecasting to governments, asset owners, emergency management agencies, and reinsurers.
AI & Machine LearningClimate TechSpace Tech
Developing products based on polymer aerogel technology for construction insulation, thermal camouflage, and outdoor applications.
Solarcore manufactures advanced thermal insulation products based on aerogel technology for consumer, commercial, and government applications.
HardwareNew Materials
Manufacturing new materials in space using revolutionary down-mass capability.
Space Forge manufactures high-purity semiconductor substrates using microgravity manufacturing processes to eliminate defects found in Earth-based production. The company serves semiconductor manufacturers seeking higher-performance materials for next-generation applications.
Deep TechNew MaterialsSemiconductors
Designs, manufactures, and launches advanced rockets and spacecraft to revolutionize space transportation and make life multiplanetary.
Building solar-powered orbital data centers for AI workloads, becoming the fastest graduate to unicorn status in Y Combinator history.
Umbra designs, builds, tests, and operates satellite systems with precision radar imagery capabilities for space-based missions and intelligence applications. The company provides end-to-end spacecraft and sensor solutions for government and defense customers globally.
Deep TechDefense TechSpace TechSanta Barbara, US
David Langan(CEO, Co-founder)
Valar Atomics is developing and scaling high-temperature gas nuclear reactors for grid-independent applications including hydrogen production, data center power, and clean hydrocarbon fuel production.
CleantechDeep TechEnergySan Rafael, US
Nuclear energy startup scaling gigasite reactors for heavy industrial power, data centers, and synthetic hydrocarbon fuels using TRISO fuel and HTGR designs.
Xplore provides space infrastructure and satellite operations services to commercial, government, and nonprofit organizations. The company offers space as a service, including satellite command and control software through its Major Tom platform.
Cloud ComputingData & InfrastructureSaaSSpace Tech
Jeff Rich(Chief Executive Officer)Dave Claussen(Chief Technology Officer)David Floyd(Engineering Director)Henry Lin(Chief Financial Officer)
Frequently asked questions
- What stage does Starbridge Venture Capital Llc invest at?
- Starbridge Venture Capital Llc invests at the Seed stage.
- What sectors does Starbridge Venture Capital Llc focus on?
- Starbridge Venture Capital Llc focuses on Deep Tech, Defense Tech, Hardware, Space Tech.
- Where is Starbridge Venture Capital Llc located?
- Starbridge Venture Capital Llc is headquartered in Washington, US.
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