Jannsen + Company, S.C.
AccountingWisconsin, United States11-50 Employees
Jannsen + Company, S.C. is a Wisconsin-based accounting and business advisory firm that provides CPA and accounting services alongside information technology consulting, human resources consulting, and payroll services. Founded in 1975, the firm emphasizes adding value through forward thinking, careful planning, and personal attention, aiming to support client success with a holistic approach to financial and operational needs. The company serves businesses seeking integrated accounting and advisory support, addressing core finance and HR processes to help clients elevate their operations. Located in Pewaukee, near Milwaukee, the practice operates with a professional team focused on delivering practical guidance and results for organizations across its service areas.