The Commonwealth Companies
Real EstateWisconsin, United States51-200 Employees
The Commonwealth Companies is a mid-sized real estate development and construction firm based in Fond du Lac, Wisconsin, founded in 2001. Its integrated team brings together developers, architectural designers, and construction professionals to support collaboration across all project phases. It emphasizes working with partners, neighborhood leaders, and government entities to design, build, and manage projects efficiently, with a track record of delivering on time and on budget. In 2020, Affordable Housing Finance ranked the firm as the 12th largest affordable housing developer in the United States, and Build Review named it Best Affordable Housing Developer. A June 2026 report notes a partnership with Lakes & Prairies Community Action Partnership to provide access to CARES, the state's community coordinated entry system for homeless housing programs and emergency resources. This collaboration illustrates ongoing efforts to align development activity with local housing and community support services.