watsunagi

Building bridges between Japanese craftsmanship and global partners for regenerative building.

Connecting you with the aesthetic, skills, and heritage of Japanese craftsmen — through natural materials, precision, and uncompromising quality.

Our Mission

To safeguard traditional Japanese craftsmanship and natural materials as living, evolving expertise—while enabling their global reach to create regenerative living environments through precise, nature-aligned execution, cultural cross-pollination, and collaborative partnerships built on trust.

Preservation & Evolution of Techniques and Knowledge

Natural Materials as a Foundation for Wellbeing

Nurturing Global Collaboration via Shared Values, Not on Mass Production

What We Do

We support international partners who seek authentic Japanese building culture — not just design, but materials, skills, mindset, and process.

Watsunagi acts as a bridge between clients and skilled Japanese craftsmen, forming project-specific teams based on the needs of each request.

Every project begins with an inquiry and then we schedule a discovery consultation.  From there, we carefully listen to the client’s goals, location, budget, and desired level of craftsmanship, materials, and wellbeing.

Based on these requirements, we assemble the most suitable team, which may include:

  • Architects
  • Japanese carpentry companies
  • Plasterers and finishing craftsmen
  • Material specialists and artisans

 

Together, we design and deliver spaces that align with the client’s vision while remaining grounded in natural materials and traditional craft knowledge.

FOR GLOBAL PROJECTS

  • Collaboration & co-creation with Japanese craftsmen

     

  • Natural-material-based renovation & construction support

     

  • Access to trusted craft networks without starting from zero

FOR JAPAN-BASED PROJECTS

  • Vacant house renovation coordination

     

  • Project planning for international or mixed teams

     

  • One of the few hempcrete distributors in Japan

Partner with Our Craftsman

Subcontract our craftsman to help your architecture or construction firm, or hire us as an individual for your project. Sakan, masonry, carpentry, and more.

HOW IT WORKS

Materials & Techniques

We feature classical materials derived from earth, such as lime, stone, biomass, soil, and local materials from the site location. Our craftsmen use techniques passed down for generations.

LEARN MORE

Become a Partner

Learn how to become a partner contractor, subcontract through us, or be a sponsor/investor.

MORE DETAILS

Let’s talk.

Ready to build something amazing together?