Based in Aspen with satellite offices in Milwaukee and Green Bay, Robert G. Sinclair Architecture, Inc. (RGS Architecture) is a full service Architecture and Design firm specializing in site-specific architecture and interiors for discerning clients coast to coast. Second only to the dedication to our clients is the reverence we hold for the houses we design. Our work fosters harmony through the design of complete environments that are expressions of both artistic vision and practical utility. Our reputation precedes us from Aspen to New York and Montana to Washington, DC, as one of expertise and experience. Choosing RGSA means choosing a level of service that is unparalleled in our industry. Our service underscores our passion for architecture, reinforces our focus on clients and maintains our attention to detail.