When was IA Partners (Japan) founded?

IA Partners (Japan) was founded in 2021.

Where is IA Partners (Japan) headquartered?

IA Partners (Japan) is headquartered in Tokyo, Japan.

How many investments has IA Partners (Japan) made?

IA Partners (Japan) has made 6 investments.

What has IA Partners (Japan) invested in?

IA Partners (Japan) has made numerous investments in companies like Watt Mann , Naoyoshi , and Naigai Trans Line within the Specialty Retail and Logistics industries.

What has IA Partners (Japan) invested in recently?

IA Partners (Japan)'s latest investment was on 19-Jun-2026 in Watt Mann , a company within the Specialty Retail industry.

IA Partners (Japan) investment portfolio

IA Partners (Japan) Overview

Investor Type

PE/Buyout

Status

Active

Professionals

7

Investments

6

Portfolio

5

Exits

1

IA Partners (Japan) General Information

Company Description

Founded in 2021, IA Partners is a private equity investment firm based in Tokyo, Japan. The firm seeks to invest in Japanese companies.

Business Details

Website

iapartners.jp

Year Founded

2021

Investor Status

Actively Seeking New Investments

Primary Investor Type

PE/Buyout

Corporate Office

Toranomon 40 MT Building 1-13-1 Toranomon
5th Floor
Tokyo, Minato-ku 105-0001
Japan

+81

IA Partners (Japan) Investments (6)

IA Partners (Japan)’s most recent investment was a with Watt Mann. The deal was made on 19-Jun-2026 with as the lead partner.

Company Name	Deal Date	Deal Type	Industry	Company Stage
Watt Mann	19-Jun-2026		Specialty Retail	Generating Revenue
Naoyoshi	31-Jul-2025		Logistics	Generating Revenue
Naigai Trans Line	28-Apr-2025		Logistics	Profitable
FFT (IT Consulting and Outsourcing)	26-Feb-2025		IT Consulting and Outsourcing	Generating Revenue
Susumu Holdings Corporation	22-Mar-2024	PE Growth/Expansion	Electrical Equipment	Generating Revenue

You’re viewing 5 of 6 investments. Get the full list »

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IA Partners (Japan) Exits (1)

IA Partners (Japan) has made one exit. Its exit was from Diasalt on 07-May-2026, categorized as .

Company Name	Exit Date	Exit Type	Exit Size
Diasalt	07-May-2026

To view IA Partners (Japan)’s complete exits history, request access »

IA Partners (Japan) Investments by Industry, Year, and Region

Investments by Industry

Investments by Year

Investments by Region

PitchBook’s data visualizations quickly surface an investor’s historical investments—showing a breakdown of activity by industry, year and region.