SOLIZE Holdings Corporation

SOLIZE Holdings Corporation is a Japanese company established in July 1990, headquartered in Chiyoda-ku, Tokyo. It is listed on the Tokyo Stock Exchange Standard Market under securities code 5871, with consolidated revenue of 25,779 million yen for the fiscal year ended December 2025 and 2,526 consolidated employees as of the end of December 2025. Its president and CEO is Yasutoshi Miyafuji. The group's history traces back to the founding of INCS Inc. in 1990, which began stereolithography prototyping using 3D Systems equipment; the company was renamed SOLIZE Corporation in 2013 and moved to a holding company structure in 2025, establishing SOLIZE PARTNERS, SOLIZE Ureka Technology and +81 as wholly owned subsidiaries.

The group's origins trace to 1990, when INCS Inc. (株式会社インクス) was established and began stereolithography prototyping using 3D Systems equipment, as well as 3D modeling. In 1996 it started a 3D CAD education business, followed by a prototype mold business in 1998. In 1999 INCS Engineering Service Inc. was established and began dispatching designers. In 2000 it started a business transformation business, and in 2003 it introduced 3D Systems powder modeling systems to begin powder-based prototyping. In 2004 it started 3D styling services. In 2007 INCS Engineering Service changed its name to INCS Engineering. In 2012 a Chinese local entity, 英知創機械科技(上海)有限公司, was established and began engineering services including design and analysis, and the company started MBD (model-based development) business. In 2013 INCS Inc. changed its name to SOLIZE Corporation, INCS Engineering changed to SOLIZE Engineering Corporation, and the prototype business was spun off as SOLIZE Products Corporation. In 2014 SOLIZE India Private Limited was established, and in 2015 SOLIZE USA Corporation was established. In 2016 it acquired CSM Software Private Limited and CSM Software USA Inc. In 2018 it established the SOLIZE Technology Lab and began mass production using 3D printers. In 2019 SOLIZE USA Corporation and CSM Software USA Inc. merged, and CSM Software Private Limited changed its name to SOLIZE India Technologies Private Limited. In 2021 SOLIZE Corporation absorbed SOLIZE Engineering Corporation and SOLIZE Products Corporation, and began offering the SaaS product "SpectA" series with a natural language processing AI engine, as well as digital risk management services. In 2022 it started XR services and established a corporate venture capital arm. In 2023 it started LCA (life cycle assessment) services and digital forensics services. In 2024 it listed on the Tokyo Stock Exchange Standard Market, acquired all shares of After School Terakoya Corporation (now ALQ Corporation), and established STELAQ Corporation and acquired all shares of SiM24 Corporation. In 2025 it carried out an absorption-type split to succeed its software business to STELAQ, and established three wholly owned subsidiaries (SOLIZE PARTNERS Corporation, SOLIZE Ureka Technology Corporation, and +81 Corporation) as part of a transition to a holding company structure; SOLIZE USA Corporation established SOLIZE Canada Corporation, and a Thai local entity SOLIZE Corporation (Thailand) was established.

Digital manufacturing and engineering services group spanning prototyping, production, software and consulting.

• SpectA

  SaaS-type product series equipped with a natural language processing AI engine, offered from 2021

• 3D printing prototyping and production services

  Prototyping using stereolithography, powder modeling and metal modeling, and mass production using 3D printers

• Engineering services

  Design, analysis and other engineering services provided in Japan and overseas

1. 1SOLIZE Holdings株式会社solize.com
2. 2沿革｜SOLIZEsolize.com
3. 3会社情報：SOLIZE Holdings株式会社 | SOLIZE Holdingssolize.com
4. 4会社情報｜SOLIZEsolize.com