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+81 Inc.

+81株式会社
Ticker
—
Listed market
—
Country
Japan
Employees (non-consolidated)
—
Related companies
8
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Basic information

BASIC
Head office
3F, Sanbancho UF Building, 6-3 Sanbancho, Chiyoda-ku, Tokyo 102-0075
Chief executive
Takato Suzuki
Capital
10,000,000 JPY
Employees (non-consolidated)
Employees (consolidated)
Start date
2025-07-01
End date
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Websites

1 DOMAINS
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Business

16
Software development servicesSenior housing rental guaranteeJapanese salon reservation service for foreign visitors "SAKURA Beauty Bookings"Fund management businessCreation of numerous new businesses that solve social and industrial challengesSupport for business creation from concept and validation of new businesses, through organizational design, launch, to growth phasePractical support and outsourcing of back‑office tasks such as accounting, legal, labor, and contractsLaunch support by specialized teamsSupport for funding, partner collaboration, talent support, and management operationsEducation servicesCreation of new businessesLifecycle support for business ownersStartup investment and fund management businessInvestment in global startups and venture capital funds that invest in themDirect investment in startupsSupport for creation of new businesses
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Related companies

8 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
SOLIZE PARTNERS Inc.
Group
SOLIZE Ureka Technology Corporation
Group
Enjoy Co., Ltd.
Group Subsidiary
SOLIZE Holdings
Group
Calque Corporation
Group Subsidiary
STELAQ Co., Ltd.
Group Subsidiary
Furex Co., Ltd.
Group Subsidiary
Yui Co., Ltd.
Names without a link are companies not yet registered in OpenBizGraph
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Network

NETWORK
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News

12 ARTICLES

Information +81 to Acquire Enjoy as a SubsidiarySources

Information +81 Inc. has decided to acquire all shares of Enjoy Co., Ltd. and make it a subsidiary. The move is intended to strengthen software development capabilities, particularly in the financial sector, and accelerate growth across the SOLIZE Group.

STELAQ’s AI Assistant Manager Wins Encouragement Award at 11th HR Technology AwardsSources

AI Assistant Manager, developed by STELAQ Co., Ltd., received an Encouragement Award at the 11th HR Technology Awards. The recognition highlights the company’s AI product supporting the practice of human capital management.

STELAQ Joins Tokyo Women Leaders Support NetworkSources

STELAQ Co., Ltd. announced that it will join the Tokyo Women Leaders Support Network promoted by the Tokyo Metropolitan Government. The company supports the network’s joint declaration and will participate in its efforts to advance women’s participation and diversity-focused management. President and Representative Director Mikiko Yamamoto said the company aims to incorporate diverse perspectives through software development and create an environment where women can thrive.

STELAQ Launches AI-Driven Training Service, STELAQ AI Dev CampSources

STELAQ Inc. has launched STELAQ AI Dev Camp, a training service designed to improve organization-wide work capabilities using AI. It combines project management training based on SOLIZE Holdings' more than 30 years of engineering education expertise with AI-driven training provided by Hexabase.

Yui Co., Ltd. Announces Change of Representative DirectorSources

Effective June 25, 2026, Naoki Inoue became the representative director of Yui Co., Ltd. The company looks forward to your continued support and patronage.

STELAQ Supports Human Capital Management with AI Assistant ManagerSources

STELAQ, based in Shibuya, Tokyo, developed ‘AI Assistant Manager’ to improve frontline management and build organizational knowledge. The tool analyzes and structures frontline data such as daily and weekly reports and activity logs, helping managers organize decisions and conversations. It turns management based on individual experience into a repeatable process and supports AI-driven management that treats frontline knowledge as a business asset.

Information +81 Interviewed About Its Business and OutlookSources

Information +81 President Suzuki was interviewed by Kei-Do and spoke about the company's business, philosophy, and future outlook. Read the article at https://kei-do.com/interview2/01864.

Yui's ‘Ie Musubi’ Service Featured in Japan Rental Housing NewspaperSources

Ie Musubi, a service offered by Yui Co., Ltd., a subsidiary of +81, was featured in Japan Rental Housing Newspaper. The article describes the service's features and how to use it.

Promotional Video for ALQ Himonya After-School Program ReleasedSources

A promotional video for ALQ, an after-school program in Himonya, is now available on YouTube. Watch it at the link below.

STELAQ President Mikiko Yamamoto Interviewed by Nikkei X WomanSources

STELAQ President Mikiko Yamamoto was interviewed by Nikkei X Woman and featured in the article ‘Moved to Tears by Employees' Voices: A New President Unites Their Aspirations and Transforms an IT Team.’ STELAQ was spun off from SOLIZE Corporation.

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Sources & updates

SOURCES
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