ECIA is a European non-governmental and non-political not-for-profit organization, registered under the Belgian law. ECIA is a representative body of national member organizations. ECIA members are National Professional Organizations of Interior Architects whose objectives and activities can be described as follows:

• The member organization is an independent professional body or a section of an umbrella-type professional association that is able to demonstrate that its constitution and statutes comply with the shared ECIA’s objectives.
• The member organization has the primary objective to develope and promote Interior Architecture as a profession.
• The member organization operates on a national level. 
• The member organization can demonstrate that it is endorsed and registered with relevant authority in its member state.
• The member organization consists of individual members or regional chapters.
• The individual members of a national organization or its chapters are Interior Architects and comply to the professional and educational standards as set  in ECIA policy documents.