Software Development・Website Creation・App Development

We accept inquiries on website creation for system development, app development and branding in a wide range of areas including Media, FinTech and Health Tech.

Digital Marketing・Creative Content

Questions about social marketing? Feel free to ask us! We cover all areas of branding, content creation and programmatic advertising. With our help, you can make programmatic delivery more effective to the customers you want to reach!

Branding (Japanese & English)

Our branding team of Japanese and English native speakers can help with your branding strategy, copywriting and translations (Japanese to English and vice versa).

Clients & Partners

We're proud to offer our expertise on a wide range of services to our clients and partners.


Headquartered in Toronto, Canada, leanStream serves its internet radio/simulcast/podcast infrastructures across the world. leanStream is the backbone of more than 150 radio stations and media companies in Japan. We provide local technical support for their Japan operation.