TAIPEI, Taiwan – Aug. 31, 2026 by Sun Square Tech
Sun Square is pleased to announce the establishment of Sun Square Japan, a new company based in Tokyo, Japan.
Sun Square Japan will serve as the local entity for the delivery of OT cybersecurity, product security, open source compliance, and technical advisory services in Japan. The establishment of the new company will strengthen local engagement, expand service delivery capabilities, and enable closer collaboration with clients and partners in the Japanese market.
Sun Square Japan will work closely with Sun Square in Taiwan while supporting organizations in Japan with practical cybersecurity, open source, and industrial technology expertise.
Company Overview
Company Name: 合同会社Sun Square Japan
Established: August 10, 2026
Representative: SZ Lin
Location: 3F Sanno Park Tower, 2-11-1 Nagata-cho, Chiyoda-ku, Tokyo, Japan
Business Activities:
- OT Cybersecurity Training and Advisory Services
- Product Security and Cybersecurity Compliance Advisory Services
- Open Source Compliance and Security Training and Advisory Services
- Open Source Development and Maintenance Services
About Sun Square
Sun Square is your digital shield in a changing world. We specialize in independent consulting and training in OT cybersecurity, open-source security, and compliance. With a strong technical foundation built on contributions to critical platforms like Debian and Kali Linux, Sun Square provides end-to-end solutions—from assessing SEMI E187 readiness to implementing ISA/IEC 62443 frameworks. We serve clients across the semiconductor, energy, and transportation sectors, helping them navigate complex regulatory landscapes with confidence.
For more information about our services, please visit sunsquare.tech (https://sunsquare.tech).