Vertex Ventures Japan Fund I

About Vertex Ventures Japan Fund I

Vertex Ventures Japan Fund I is a venture capital firm based in Japan, focusing on Pre-Seed stage investments. The fund actively supports founders building innovative solutions in AI/ML, Consumer Commerce, providing strategic guidance and capital to help startups scale.

Investment Focus

Location / RegionJapan

Funding StagePre Seed

Industry Focus

Ai Ml

Consumer Commerce

Investor Signals Profile

active

Sweet Spot

AI-native vertical platform founders with domain expertise, SE Asia/India

vertical AI

AI-native platforms

SE Asia & India

pre-seed

B2B SaaS

Bullish Signals

Led oversubscribed $3.98M pre-seedexternal

Investing AI-native vertical platforms earlyexternal

500K designs, 135 countries — organic tractionexternal

Backs McKinsey-exited + domain-expert duoslinkedin

AEC sector: huge, underdigitised, conviction betlinkedin

Multi-model orchestration thesis validatedlinkedin

Co-invests: Hustle Fund, UntroD, Orvellinkedin

60+ specialist models in single workspacelinkedin

Contrarian Signals

SE Asia/India geo focus may limit scopeexternal

AEC niche — slow enterprise sales cycleslinkedin

Founder Do's

Build AI-native, not bolt-on

Show organic traction & global reach

Combine domain + operating expertise

Target large, underdigitised industries

Demonstrate platform orchestration depth

Founder Don'ts

Legacy software with AI features layered on

No domain credibility in vertical

Point solutions without platform vision

Key GPs & Partners

Jessica Koh

Senior Executive Director, Investment

domain-focusedplatform-thinkerAI-native

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Fund Overview

Fund Size$67M

Saves0

Website

Key People

Takashi Tomita, Naonori Kurokawa

Jessica KohSenior Executive Director, Investment