IA Interior Architects | 278,956 followers on LinkedIn. The largest employee-owned global architecture firm focused exclusively on interiors. | Celebrating 40 years of visionary design and innovation, IA Interior Architects is the first global architecture firm focused exclusively on interiors. The firm provides strategic planning, interior architecture, and design services for corporations, businesses, and institutions. Founded in 1984, IA currently has 21 offices in Atlanta, Austin, Boston, Charlotte, Chicago, Dallas, Denver, Houston, London, Los Angeles, Miami, New York, Orange County, Philadelphia, Portland, Raleigh, San Francisco, Seattle, Silicon Valley, Toronto, and Washington, D.C.