Corporate Information

We want you to use open source software in your business faster, more safely, and with more peace of mind. That is our mission.

Prime Strategy Co., Ltd.

Naoki Watanabe

Business Characteristics

We develop core basic technologies and products such as the ultra-high-speed CMS execution environment “KUSANAGI” and provide services that make maximum use of technologies such as AI and automation.


Managed Services

Cloud Integration Service


KUSANAGI is available on 28 platforms in Japan and overseas, and 251 regions in 34 countries.


The total number of KUSANAGI units in operation has exceeded 65,000 units.


Compared to the standard LAMP environment (*1), KUSANAGI achieves approximately 2,330 times faster speed when using page cache and approximately 20 times faster when not using page cache.

Microsoft Azure Standard D4as_v4 instance (2.35Ghz AMD EPYC 7452 processor 4 vCPU, 16GiB), Premium SSD LRS, East Japan region, CentOS 7.9.2009, PHP 5.6.40, Apache 2.4.6, MariaDB 5.5.68, WordPress 5.8.2 measurement

If you have any questions or concerns,
please feel free to contact us using our contact form.