Helte | Kashiwa is a brand that specializes in global communication services, with their flagship app, Sail, serving as the core. They aim to bridge the gap between Japan and the rest of the world by offering unique global services. Helte believes in creating a vibrant society without barriers through collaboration with individuals who share the same passion across academia, industry, government, and the public sector.

Their main service, Sail, is a conversation community that allows individuals from anywhere in the world to engage in Japanese language exchange and communication. Whether someone loves the Japanese language, dreams of visiting or working in Japan, Sail offers an inclusive platform to support these aspirations. In addition, they have other exciting projects like the Sail Dream Project, which is the world's largest online Japanese speech contest aimed at supporting people's dreams related to Japan.

Helte further provides a service called Secokatsu, an information matching service that supports job seekers and immigrants from around the world who wish to work or live in Japan. With their vision of creating a society full of vitality and unity, Helte | Kashiwa uses technology and collaboration to develop innovative global business solutions, aiming to break down barriers and empower human connections