O'Brien Architects

O’Brien Architects is a Dallas- and Plano-based architecture firm founded in 1974 by Jack O’Brien, delivering innovative, collaborative design across corporate office, industrial and storage, multi-family, mixed-use and retail, healthcare, assisted living, civic, interiors, and master planning sectors. The company emphasizes a family-centered culture grounded in integrity, respect, and service, inviting clients into creative charrettes to co-create solutions without imposing a signature style. With more than 4,500 projects completed nationwide, O’Brien Architects complements architecture with robust visualization and animation services, aiming to craft spaces that make great moments while building long-term client relationships.