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Iron Wolf Capital

Pre-Seed Seed Series A

The Baltic Deep Tech & AI Fund. Invests in exceptional founders building global AI & deep tech startups in the Baltics & diaspora.

Vilnius
Deeptech & AI Fund · DeepTech +8
DeepTech · AI/ML

IronGate Capital Advisors

Seed Series A Series B

Early-stage VC focused on dual-use national security technologies

Palm Beach Gardens
Dual-Use · Aerospace +16
Defense Tech · Dual Use

Ironspring Ventures

Seed Series A Series B

A sector-focused, early-stage venture capital firm investing in founders driving digital industrial innovation across the industrial supply chain.

Austin
Digital Industrial Innovation · Transportation +6
Digital Industrial Innovation · Industrial Tech

Irregular Expressions

Pre-Seed Seed

Pre-seed and seed fund of 80+ engineering leaders backing infrastructure, AI/ML, data engineering, cybersecurity, and developer tooling startups.

New York · San Francisco
Infrastructure · AI/ML +4
Solo GP · Operator-Led

ISAI

Pre-Seed Seed Series A

Tech entrepreneurs' fund backing differentiated digital projects and scale-ups

Paris · New York
SaaS/Software · Marketplaces +15
Entrepreneur-Led · Multi-Stage

iSelect Fund

Seed Series A Series B

St. Louis-based VC investing at the convergence of AgTech and human health, targeting food systems, crop science, and cardio-metabolic disease prevention.

St. Louis
AgTech · FoodTech +6
Thesis-Driven · Network-Driven

Island Capital Partners

Pre-Seed Seed

Early-stage VC fund investing in high-potential PEI startups

Charlottetown
PEI startups · Atlantic Canada +11
PEI startups · Atlantic Canada

Isomer Capital

Seed Series A

London-based fund of funds backing Europe's top early-stage VC firms, with direct co-investments and secondaries; 93 VC fund investments and 2,249 underlying portfolio companies.

London
SaaS/Software · Fintech +7
Fund of Funds · Europe-Focused

IT-Farm Corporation

Seed Series A Series B

Seed and early-stage VC based in Tokyo and Palo Alto, backing startups in mobile, AI/ML, IoT, digital health, and connected tech across Japan, Asia, and the US.

Tokyo · Palo Alto
AI/ML · IoT +8
Early Stage · Global VC

Italian Founders Fund

Pre-Seed Seed Series A

The country's first founder-backed VC unlocking Italy's next great founders

Milan
Enterprise · Vertical SaaS +8
Italian Founders · Enterprise

Itnig

Pre-Seed Seed

Barcelona venture builder-turned-fund founded by Bernat Farrero, leveraging its own unicorn (Factorial) and coworking ecosystem to back early-stage tech founders.

Barcelona
AI/ML · Data +11
Venture Studio · Operator-Led

ITOCHU Technology Ventures

Seed Series A Series B

ITOCHU Corporation's VC arm investing in early-stage IT and deeptech in Japan and the US, with focus on AI, healthcare, fintech, and decarbonization.

Tokyo
AI/ML · HealthTech +6
Corporate VC · Early Stage

IW Capital

Series A Series B

London-based EIS-focused VC backing UK technology businesses at Series A. Invests £2–5m initial cheques in AI, MedTech, SaaS, and Fintech.

London
AI/ML · MedTech +4
EIS/SEIS · Early Stage

J-Ventures

Pre-Seed Seed Series A

Community-driven VC fund based in Silicon Valley backed by 470+ expert members, investing $250K–$1M checks across enterprise software, fintech, cybersecurity, and more.

Palo Alto
Enterprise · Fintech +7
Network-Driven · Global VC

J&T Ventures

Pre-Seed Seed Series A

Prague-based sector-agnostic VC backing pre-seed to Series A founders across CEE, SEE, and the Baltics with €120M in assets under management.

Prague
AI/ML · Fintech +10
Early Stage · Sector-Agnostic

J12 Ventures

Pre-Seed Seed

Thesis-driven early-stage VC backing technical founders across Europe building AI infrastructure, data tooling, and domain-specific AI applications.

Stockholm · London +1
AI/ML · Data Infrastructure +7
Thesis-Driven · Europe-Focused

Jackson Square Ventures

Series A Series B

Series A investors in software and marketplace businesses

San Francisco
Software & Marketplace · Marketplace +2
Software & Marketplace · Series A

January Capital

Pre-Seed Seed

Singapore-based VC and growth credit firm backing early-stage B2B technology founders across Asia-Pacific in commerce, fintech, healthcare, and SaaS.

Singapore
Fintech · HealthTech +7
Early Stage · Thesis-Driven

JAZZ Venture Partners

Seed Series A Series B

Backs technologies at the convergence of neuroscience and digital tech that measurably improve human performance, across health and enterprise.

San Francisco · Seattle +1
Enterprise · Wellness +5
Multi-Stage · Thesis-Driven

Jerusalem Venture Partners

Seed Series A Series B

Building international category leaders in AI, Cyber, Fintech, and Foodtech

Jerusalem · Tel Aviv +3
AI & SaaS · Cybersecurity +5
AI & SaaS · Cybersecurity

JFFVentures

Seed Series A Series B

Impact venture fund specializing in future of work and workforce development technologies that drive economic advancement.

Boston · Washington +1
Workforce Development · Future of Work +6
Workforce Development · Future of Work

Jibe Ventures

Pre-Seed Seed

Early-stage fund creating human connections with founders from ideation to go-to-market

Tel Aviv
Fintech · Cybersecurity +5
Israel-Focused · Early-Stage

JIC Venture Growth Investments

Seed Series A Series B

Japanese government-backed VC investing in startups from early to later stage across deep tech, life sciences, and growth sectors to strengthen Japan's competitiveness.

Tokyo
DeepTech · BioTech +7
Corporate VC · Multi-Stage

JK Invest

Pre-Seed Seed

Belgian early-stage investor backing B2B SaaS startups with flexible equity-debt capital, hands-on operational support, and a focus on sustainable, long-term growth.

Brussels
B2B SaaS · SaaS/Software +3
Solo GP · Early Stage

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