AIA Contract Documents are the industry standard for agreements in architecture, construction, and design, offering trusted legal protection for all parties. This document outlines an agreement between an architect and owner for architectural services on a project.List of all current AIA Contract Documents. Construction agreements (commercial and residential); Subcontractor agreements; Joint bid agreements; Architect contracts; Supply contracts. Sample contract for Professional Architectural Services. This sample is not identifying any actual project or actual firm. An architect agreement is a legal document that outlines the obligations and rights of the parties involved, typically in a development project.