What stage does iSGS Investment Works invest at?

iSGS Investment Works invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.

What sectors does iSGS Investment Works focus on?

iSGS Investment Works focuses on Crypto & Web3, Sector Agnostic.

Where is iSGS Investment Works located?

iSGS Investment Works is headquartered in Tokyo, JP.

iSGS Investment Works

Venture capital

Tokyo · Pre-Seed–Growth · 2 people tracked

Also known as 株式会社iSGSインベストメントワークス

★ Follow + Add to CRM ⤳ Find an introduction

✨ Fox Verdict

Investment thesis

iSGS Investment Works is an independent Japanese venture capital firm founded in 2016, focused on early-stage startup investments in Japan.

Invests inCrypto & Web3 Sector AgnosticAsia-PacificJapanTokyo

Source: firm website, verified Aug 3, 2026.

Stage

Pre-Seed–Growth

Tokyo, JP

Instruments

Equity

Founded

2016

Team · 2 people

from the firm's website

佐藤真希子· 代表取締役兼代表パートナー

Joined CyberAgent in 2000 as its first new-graduate cohort, working in internet advertising and becoming the company's first female sales manager. After a stint at Wedding Park, she spent nine years in seed-stage startup investing at CyberAgent Capital, then co-founded iSGS Investment Works in 2016, becoming representative director in 2023. Named to Japan Venture Capital Association's board in 2024 and to Forbes Japan's list of influential women in VC in 2022.

菅原敬· 取締役兼代表パートナー

Began as a strategy and technology consultant at Andersen Consulting (now Accenture) and Arthur D. Little Japan. Joined istyle at its founding, later serving as CTO, subsidiary CEO, and currently director and CFO. Co-founded iSGS Investment Works in 2016.

Frequently asked questions

What stage does iSGS Investment Works invest at?: iSGS Investment Works invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
What sectors does iSGS Investment Works focus on?: iSGS Investment Works focuses on Crypto & Web3, Sector Agnostic.
Where is iSGS Investment Works located?: iSGS Investment Works is headquartered in Tokyo, JP.

Similar investors

AirTree Ventures

AirTree Ventures is an early and growth stage venture capital firm that invests in Australian entrepreneurs. The firm provides capital and support to help founders build companies.

$132K – $16.5M

August Capital

August Capital is a venture capital firm that invests in a small number of companies, providing hands-on support to entrepreneurs building their businesses.

$1M – $15M

B Capital Group

B Capital is a global investment firm backing early to late-stage technology innovators across technology, healthcare, and energy & resilience sectors.

$10M – $50M

Khosla Ventures

Khosla Ventures is a venture capital firm that invests in early-stage companies focused on technology, mobile, and clean energy sectors, including biotechnology applications. The firm provides capital and strategic support to entrepreneurs developing breakthrough technologies across multiple markets.