Organization · Venture Capital
Tamarack Global
Tamarack Global is a venture capital firm based in Greenwich, Connecticut, specializing in early-stage investments in deep-tech companies focused on defense technology, national security, and energy. The firm emphasizes dual-use technologies and has a strong tilt toward hardware and hard science.
Overview
What Tamarack Global does
What Tamarack Global is
Tamarack Global is a venture capital firm based in Greenwich, Connecticut, specializing in early-stage investments in deep-tech companies focused on defense technology, national security, and energy. The firm emphasizes dual-use technologies and has a strong tilt toward hardware and hard science.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2018
- Approximate age
- About 8 years
- Structured capabilities
- Funder
- Last reviewed
- April 23, 2026
Official channels
Find Tamarack Global elsewhere
Open the official website or a supported primary organization account.
Capability profile
Tamarack Global as a funder
Investment thesis
Deep-tech with a dual-use / national security overlay. Sectors include Defense Tech, Space Economy, Energy Dominance (nuclear), AI x Physical World, Robotics & Automation.
Focus narrative
Tamarack Global invests in various sectors including defense technology, national security, energy dominance, artificial intelligence, advanced manufacturing, and the space economy. The firm is particularly interested in deep-tech ventures that have a dual-use application, contributing to both commercial and defense-related advancements.
Value beyond capital
Tamarack Global provides strategic support to its portfolio companies, leveraging its expertise in deep-tech and national security to help them navigate complex markets. The firm emphasizes strong partnerships and aims to foster innovation that aligns with national interests.
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Regions
- North America
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 9
Portfolio context
Tamarack Global's notable portfolio companies include Figure AI, specializing in humanoid robotics; Impulse Space, focused on last-mile space logistics; CHAOS Industries, which operates in multi-domain defense; Rainmaker Technology Corp., a defense tech firm; and Earth AI, which applies AI to the physical world. Other investments include Blue Energy and Fuse Energy in the energy sector.
Common questions
What to know about Tamarack Global
Upseed classifies Tamarack Global under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 23, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.