Small business events in your area
Doing business in the state
Business Entity General Information
Taxation
Wisconsin Department of Revenue - Businesses
Employer links
Department of Workforce Development - Employer Resources
General
Small Business Administration - Wisconsin
Wisconsin Bureau of Procurement - VendorNet System
Wisconsin Small Business Development Center
SBA.gov's business licenses and permits search tool allows you to get a listing of federal, state and local permits, licenses, and registrations you'll need to run a business.