Welcome to DECA, an award-winning architecture and interior design studio.

Find out what we do. »

Creative thinking is the foundation of our practice, driving us to research, innovate, and excel.

Sharing ideas is just another aspect of our design approach. »

From Portland to Penang, we explore local cultures to connect people and spaces.

Discover the breadth of our international and regional projects. »

Sustainable design informs every aspect of our practice.

We focus on strategies that work and deliver savings. »

We cultivate enduring relationships with our clients — and that starts with listening.

The spaces we create reflect your vision and our expertise. »

A high school for international students in South Korea.

International schools are a growing part of our practice. »