Founded in 2003 by three architects and a civil engineer, Abacus Architects, Inc. was built on a vision of collaboration, equality, and a steadfast focus on client priorities. Today, we're a full-service firm offering architecture, civil engineering, and interior design—all working together to elevate the human experience. With offices in Sheboygan, Milwaukee, and Manitowoc, we combine the resources of a large firm with the personalized service of a small one, partnering closely with clients to bring purposeful, impactful projects to life.