Wisconsin LLCs cost $130 to form (online) or $170 (paper) and $25/year for annual reports - mid-range pricing with excellent service. Annual report due by end of quarter following anniversary. Wisconsin Department of Financial Institutions (DFI) processes online filings in 5-7 business days. Strong manufacturing and agriculture support make Wisconsin attractive for traditional businesses.
Wisconsin LLC Formation
Wisconsin Department of Financial Institutions (DFI) processes LLC formations. $130 online filing fee. $170 paper filing (encourage online).
Standard processing: 5-7 business days. Expedited 24-hour: +$25 (cheapest expedite in Midwest).
Name Requirements
Must include "Limited Liability Company", "Limited Liability Co.", "LLC", "L.L.C.", or "LC".
Restricted words: Bank, Trust, Insurance, Cooperative. Wisconsin DFI rejects 13% of names for similarity to existing businesses.
Name Reservation
Search Wisconsin Business Search at wdfi.org. Free.
Name reservation: $15, holds 120 days. Cheapest name reservation in Midwest. Can extend once for additional $15.
Formation Process
File Articles of Organization with Wisconsin DFI. Online filing at wdfi.org or mail to Madison office.
Required: LLC name, registered agent with WI address, principal office address, organizer information, management structure.
Registered Agent Requirement
Must have Wisconsin registered agent with physical WI address (no PO boxes). Can be individual or entity.
Can use yourself if you have WI address. Professional registered agent: $100-200/year.
Annual Report
Due by END OF QUARTER following anniversary. $25 fee. Unique quarterly system.
Example: LLC formed May 15, 2024 (Q2) must file annual report by June 30, 2025 (end of Q2).
Quarterly Deadline System
Q1 (Jan-Mar) formation: Due March 31 next year. Q2 (Apr-Jun) formation: Due June 30 next year. Q3 (Jul-Sep) formation: Due September 30 next year. Q4 (Oct-Dec) formation: Due December 31 next year.
Gives extra time compared to anniversary-date states. Wisconsin's most business-friendly feature.
WI vs Other Midwest States
Wisconsin $130 + $25/year vs Illinois $150 + $75/year: WI saves $50/year ongoing.
Wisconsin $130 + $25/year vs Minnesota $155 + $0/year: MN cheaper long-term (no annual report).
Why Wisconsin Is Competitive
Wisconsin balances low cost with excellent business support. Strong manufacturing, agriculture, and dairy industry infrastructure.
Benefits: Fast processing, cheap expedite ($25), helpful DFI staff, quarterly deadline system (extra time to file).
Tax Considerations
Wisconsin income tax: 3.54-7.65% graduated rates. Higher earners pay more but small business rates competitive.
No state franchise tax. Manufacturing & Agriculture Credit: Significant tax reduction for qualifying businesses.
Manufacturing & Agriculture Credit
Wisconsin offers 7.5% credit on qualified production activities income. Major benefit for manufacturers and farmers.
Example: $100K manufacturing profit gets $7,500 tax credit. Reduces effective tax rate significantly.
Operating Agreement
Not required by WI law but HIGHLY RECOMMENDED for all LLCs.
Wisconsin courts enforce Operating Agreement terms. Worth legal review for multi-member LLCs.
Foreign LLC
Out-of-state LLCs doing business in Wisconsin must register as foreign LLC. $100 filing fee.
Annual report still required: $25/year by end of quarter following anniversary.
When Foreign Registration Required
Maintaining office in WI, employing WI workers, owning WI real estate, regularly conducting business in state.
Online sales to WI customers typically don't require foreign registration (no physical presence).
Common Mistakes
Choosing paper filing: $170 paper vs $130 online. Save $40 by filing online at wdfi.org.
Missing quarterly deadline: Not understanding "end of quarter following anniversary" system. July formation means Sep 30 next year, not July anniversary.
Not claiming Manufacturing & Agriculture Credit: Manufacturers miss out on 7.5% tax credit. Consult WI tax professional.
When WI Makes Sense
Choose Wisconsin LLC if: Manufacturing business (7.5% tax credit), agriculture/dairy operation, traditional Midwest business, want quarterly filing flexibility, value excellent state support.
Best for: Manufacturers, farmers, food processors, traditional businesses, Milwaukee/Madison-area companies.
Manufacturing Advantage
Wisconsin historically manufacturing-focused. Infrastructure, suppliers, skilled workforce, tax credits all support manufacturers.
$25/year annual report + 7.5% Manufacturing Credit = extremely competitive for small manufacturers.
Agriculture & Dairy
Wisconsin #1 cheese producer in US. Strong agriculture support systems, co-ops, processing facilities.
Manufacturing & Agriculture Credit applies to dairy processors, cheese makers, farm operations. Significant savings.
Trademark Lens verifies Wisconsin LLC name availability before $130-145 formation costs.