Merge Architectural Group is an architectural and design firm based in Phoenix, Arizona, founded in 2012 by architects Carlos Murrieta and Clarisa del Castillo. The firm was established to provide a collaborative, client-focused approach to architecture that emphasizes strong partnerships with clients, stakeholders, and communities throughout the design process.
The firm offers professional services in architecture, planning, and interior design across sectors, including civic and community, education, government, hospitality, and multifamily residential development. Its work includes both new construction and renovation projects, integrating functionality, sustainability, and sensitivity to local context while reflecting the vision of building owners and users.
Since its founding, the firm has developed a diverse portfolio shaped by regional influences and contemporary design practices. Projects include community facilities, historic renovations, Native American developments, and adaptive reuse initiatives.
The firm is licensed in AZ, TX, NM, ND, Mexico, and Germany, and has received design and community engagement awards.