De Coste Design has been working in the field of commercial interior design for many years. We have built a strong reputation over the years by earning the trust of our customers.

We take great pride in the many business partnerships we have developed and maintained through the years.

An outstanding team

De Coste Design consists of several trusted team members. Our multidisciplinary team has all the expertise required to carry out a project from start to finish.

Satisfying our customers wouldn’t be possible without the valuable contribution of everyone on our team. We are firm believers in the power of teamwork, which is why De Coste Design surrounds itself with experts in different fields who can thoroughly supervise every aspect of your project.

Projects over the last 4 years in Quebec and Eastern Canada