Organization · Venture Capital

Harpoon Ventures

Harpoon Ventures is an early-stage venture capital firm based in the United States, specializing in defense technology and national security. Founded in 2018, it focuses on connecting startups with government buyers and securing U.S. government contracts.

Venture CapitalFunderPublisher

Overview

What Harpoon Ventures does

What Harpoon Ventures is

Harpoon Ventures is an early-stage venture capital firm based in the United States, specializing in defense technology and national security. Founded in 2018, it focuses on connecting startups with government buyers and securing U.S. government contracts.

How it participates in the startup ecosystem

The current public profile supports funder and publisher 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 · Publisher
Last reviewed
April 9, 2026

Official channels

Find Harpoon Ventures elsewhere

Open the official website or a supported primary organization account.

Capability profile

Harpoon Ventures as a funder

Investment thesis

Harpoon Ventures focuses on foundational technologies critical to American national security, investing in sectors such as AI, space, defense, advanced hardware, and cybersecurity. They aim to support early-stage companies that can navigate government procurement and secure U.S. government contracts.

Focus narrative

Harpoon Ventures invests across a range of sectors including AI, cybersecurity, infrastructure, and deep tech. Their investment strategy emphasizes foundational technologies that are vital for national security. The firm supports companies at various stages, from pre-seed to growth, particularly those involved in defense technology.

Value beyond capital

Harpoon Ventures adds value to its portfolio companies by leveraging its extensive network within the U.S. government and defense sectors. They assist startups in navigating government procurement processes and securing funding opportunities, including non-dilutive grants and contracts. Their team of experts provides strategic guidance and operational support to help companies scale effectively.

Terms and economics

Typical check
$250,000–$1,000,000
Sweet spot
$500,000

Focus and fit

Stages
Pre-seed · Seed · Seed+ · Series A · Series B · Growth Equity

Availability

Currently deploying
Yes

Portfolio and track record

Recorded portfolio count
50

Portfolio context

Notable portfolio companies include: Solugen: Innovating in the chemicals industry. n8n: Specializing in secure and AI-native workflow automation. Astranis: Providing dedicated connectivity through advanced satellite technology. General Galactic: Developing low-cost fossil-free natural gas solutions. Glyphic Biotechnologies: Innovating in protein sequencing technology. Aalo Atomics: Focusing on clean energy solutions. Firestorm Labs: Creating affordable, mission-adaptable unmanned aerial systems (UAS). Merlin Labs: Advancing fully autonomous flight technologies.

Capability profile

Harpoon Ventures as a publisher

Editorial focus

Harpoon Ventures is a venture capital firm that focuses on investing in technology companies critical to national security. The firm emphasizes foundational technologies essential for national security and prosperity, targeting early-stage companies that are pioneering advancements in sectors such as artificial intelligence, cybersecurity, infrastructure, and deep technology.

Audience value

Harpoon Ventures provides strategic support to startups by leveraging a team of former military operators and acquisition experts, helping them navigate government procurement and secure funding.

Format and cadence

Content formats
blog
Primary platform
harpoon.vc

Availability

Guest pitch state
Not currently accepting

Audience and focus

Audience
Investors · Founders

Flagship work and coverage

Flagship properties

Harpoon Ventures operates the Black Flag Accelerator, a defense tech accelerator program that invests directly in companies and connects founders with government funding programs.

Notable coverage

Harpoon Ventures has been featured in various media outlets including VC Sheet, F4.fund, and Business of San Diego, highlighting their unique approach to venture capital and their focus on national security technology.

Common questions

What to know about Harpoon Ventures

Upseed classifies Harpoon Ventures under the Venture Capital organization type. Its current public profile includes funder and publisher capabilities.

Next step

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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 9, 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.