Architect's glossary
Design office
Can designate either an independent firm or a department or service within an administration or a company. This is a structure where scientific and/or technical expertise is carried out, generally under the responsibility of an engineer.

In regards to:
A design office is a public or private organization made up of technicians and engineers whose role is to analyze the feasibility of a project. These studies then deliver recommendations that will justify the structural and technical choices of a project. This is why architects often call on these services to guarantee the viability of a project.
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