IN

Integral Growth Partners

VC
Boston, MAWebsite

Integral Growth Partners is a Pre-Seed venture capital firm based in Boston, MA investing in Other, SaaS, Enterprise. The firm typically writes $200K–$2.5M checks and has 9 portfolio companies in our records.

How to approach: warm intro preferred
Stage

Pre-Seed

Check Size

$200K – $2.5M

Portfolio

9+ companies

Team

10 partners

Investor activity
Last known investment: 2026Investments in last 12 months: 1

Investment Thesis

Fosters innovation in B2B SaaS companies focusing on knowledge management and productivity enhancements within enterprise environments.

How Integral Growth Partners invests

Integral Growth Partners is a vc firm based in Boston, MA. The firm invests at the Pre-Seed stage, with a focus on Other, SaaS, Enterprise. It does not invest in E-commerce, Logistics.

Integral Growth Partners typically writes checks of $200K–$2.5M per investment.

Investing since at least 2011, Integral Growth Partners has backed 9 companies in our records, including 八十島プロシード株式会社, 株式会社Japan Animal Care Holdings, TCSホールディングス株式会社. Its most recent recorded investment was in 2026, with 1 investment logged over the last 12 months.

Meet the Team

TY

Tsuyoshi Yamazaki

Partner

TW

Tatsuya Watanabe

Executive Director

NS

Nobuo Sayama

Representative Director

HT

Hiraku Tsuzuki

Director

JK

Jun Kabeya

Director

RY

Reijiro Yamamoto

Representative Director

AI

Atsuho Ikeda

Director

SN

Satoko Niiya

Partner

YK

Yasunari Katakura

Director

JR

John Rivera

GP

SaaS
Enterprise Solutions

Industry Focus

Invests In

Other
SaaS
Enterprise

Does Not Invest In

E-commerce
Logistics

Portfolio Companies (9)

2026

八十

八十島プロシード株式会社

BtoB·再成長

2024

株式

株式会社Japan Animal Care Holdings

ヘルスケア·再成長

2023

TC

TCSホールディングス株式会社

テクノロジー・メディア・テレコム·再成長

2020

株式

株式会社 JRC

BtoB·事業承継
株式

株式会社豆蔵K2TOPホールディングス

テクノロジー・メディア・テレコム·再成長 - 非公開化
株式

株式会社T-Garden

消費財・小売·事業承継 再成長

2013

株式

株式会社TBI

サービス·再成長

2011

AP

APAMAN株式会社

不動産・金融·上場企業への資本増強

Other

CO

Cognize.ai

Knowledge Management
How to pitch Integral Growth Partners
  • Raising at Pre-Seed? You're squarely in their sweet spot.
  • Lead with your fit in Other, SaaS, Enterprise — the sectors they actively back.
  • Size your ask to their typical $200K – $2.5M check.
  • warm intro preferred
  • Address your outreach to a specific partner, such as Tsuyoshi Yamazaki, Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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