WithCoco
— Sharing Prosperity and Joy —
With this idea at our heart,
WithCoco began as a family-run company.
With roots in Hiroshima, Tokyo, and Sri Lanka,
we work across jewelry, business support, and IT & digital services.
We aim to be a trusted partner to the people and businesses we work with.
WHAT WE DO
Our Business
01
JEWELRY
Jewelry with a story.
WithCoco creates custom-made and remade jewelry in collaboration with skilled craftspeople in Japan and Sri Lanka.
From creating something new to giving new life to jewelry that already carries a story, we value craftsmanship, personal connections, and the meaning behind each piece.
02
BUSINESS SUPPORT
Your local partner in Japan.
We provide practical and flexible support for international companies working with Japan.
Our small team works directly with clients and adapts to the needs of each project.
BUSINESS SUPPORT
For International Businesses
Support in Japan, tailored to your needs.
01
Japanese Localization & Quality Review
Translation, localization, proofreading, and Japanese-language quality review for content, products, and digital services.
02
AI & Language Data Services
Japanese-language evaluation, data annotation, content review, linguistic QA, and other human-in-the-loop AI projects.
03
Japan Market Research
Desk research, competitor research, information gathering, and Japanese-language research for companies exploring the Japanese market.
04
Local Business Support
Japan-based coordination, communication, information gathering, and practical support for projects that require local assistance.
Our work is shaped by years of experience in global companies and international environments, with a background in technology and software QA.
LET'S WORK TOGETHER
Have a project in Japan?
Whether you have a specific project in mind or are simply looking for a reliable partner in Japan, we’d be happy to hear from you.
Contact Us →