Architecture Plus, Inc. is a Fort Smith, Arkansas architecture and interior design firm. Formed in 1983 by Michael Johnson and Tony Leraris, Architecture Plus has created projects that define Fort Smith, Northwest Arkansas, and the surrounding region.  The firm has experience in many areas including churches, government buildings, retail centers, post offices, schools, corporate headquarters, hospitals and clinics, community centers, and beautiful custom homes.

Architecture Plus has three principals:  Michael G. Johnson, Anthony S. Leraris and H. Craig Boone.  They are supported by a team of architects, intern architects, draftsmen, interior designer