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Intergroup Architects is a medium-sized commercial architectural, planning, and interior design firm that expertly designs buildings and interiors around our clients’ successes. Established in Denver, we have focused on strong partnerships and timeless designs since 1974. Today, we have been ranked among the top architecture firms in Colorado. From our offices in Littleton, we have managed national accounts and completed work in multiple states. For over 48 years, Intergroup has prospered in the Denver region by our reputation for focused project processes, excellent client experiences, and outstanding project outcomes. We have been responsible for planning more than eight million square feet of space, involving more than 11,000 projects, while maintaining our dedicated relationships through personalized attention. Our diversified commercial experience includes office, educational, religious, industrial, municipal, healthcare, retail, and multifamily projects.