Doing business in the Wisconsin District

Business requirements

SBA’s Business Guide lists the requirements needed to start, grow, and expand your business. Since laws and taxes vary by state, here’s what you need to do before starting your business in our area.

Business name and registration

Register your business name with the county clerk where your business is located. For state business registration, visit Wisconsin One Stop Business Portal.

Business licensing and zoning

Licenses are typically administered by a variety of state and local departments. It is important to consider zoning regulations when choosing a site for your business. Contact the local business license office where you plan to locate your business.

Taxes

IRS Taxpayer Assistance Centers in Wisconsin

Offices close for a one-hour lunch. Make an appointment at any office: 844-545-5640

Green Bay
440 Security Blvd.
Green Bay, WI 54313
Mon - Fri: 8:30am - 4:30pm

Madison
1242 Fourier Dr.
Madison, WI 53717
Mon - Fri: 8:30am - 4:30pm

Milwaukee
211 W. Wisconsin Ave.
Milwaukee, WI 53203
Mon - Fri: 8:30am - 4:30pm

Wisconsin Department of Revenue
2135 Rimrock Road
Madison, WI 53713
Phone: 608-266-2772

Health and safety

Wisconsin Department of Workforce Development
201 E. Washington Ave.
P.O. Box 7946
Madison, WI 53707
Phone: 608-266-3131

U.S. Occupational Safety and Health Administration (OSHA)

OSHA offices covering all of Wisconsin

Appleton
1648 Tri Park Way
Appleton, WI 54914
920-734-4521

Eau Claire
1310 W. Clairemont Avenue
Eau Claire,  WI 54701
715-832-9019

Madison
1402 Pankratz Street, Suite #114
Madison,  WI 53704
608-733-2822

Milwaukee
310 West Wisconsin Avenue, Room 1180
Milwaukee,  WI 53203
414-297-3315

State small business profiles

Need information on the local business landscape? SBA's Office of Advocacy has the latest demographic and statistics on local small business economic activity.

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Local assistance

Need help? Get free business counseling in your area.

SBA lending in our area

  • Loan programs

    Loan programs icon
    Learn more about SBA's 7(a) loans, 504 loans, and microloans that you can use for your business.
  • Local lenders

    Local lenders icon
    Download a list of participating lenders in our area.
  • Lender Match

    Lender Match icon
    Describe your business needs and get matched with an SBA-backed lender in your area.
  • Lending activity reports

    Lending activity reports icon
    View 7(a) and 504 lending activity reports from our district.

Additional local resources

Download our guide to SBA resources

Learn about the opportunities available for small businesses nationwide.

Last updated April 1, 2024