Corporations - Useful Links
- Phone:
- Customer Service: (608) 261-7577
- TTY (608) 266-8818
- DFI Corporations Unit
- Department of Financial Institutions
- 345 W Washington Ave, 3rd Floor
- PO Box 7846
- Madison WI 53707
Other Useful Links
- FEIN (tax identification number)
http://www.irs.gov/businesses/small - WI Tax Information
http://www.revenue.wi.gov - Seller's Permit
http://www.revenue.wi.gov/faqs/pcs/seller.html - Tradenames (DBAs)
http://www.wdfi.org/Notary_Public_and_Trademarks/defaultTrademark.htm - Small Business Planner
http://www.sba.gov/smallbusinessplanner/index.html - List of Wi State Agencies
http://www.wisconsin.gov/state/core/agency_index.html - Wisconsin Build Your Business
http://www.wisconsin.gov/state/byb/index.html