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Foreign LLC guide · Wisconsin

Wisconsin Foreign LLC Fees (2026): Data on File and the 3 Best Services

For a foreign LLC registration in Wisconsin in 2026, rank the services Mainstay Filing ($199), Wisconsin Registered Agent.co ($199) and WI Registered Agent.org ($199). A foreign LLC pays $100 to register here, $65 per later report. Rank 20th of 50 on three-year state fees.

Desk note by LLC Data Desk ·

Wisconsin, the numbers

20thof 50 on registration plus reports1 = smallest bill. All fifty on one sheet
Fee to register
$100Data: dfi.wi.gov, pulled October 2026
Report
$65Annual report
Total owed to the state, 3 yrs
$230Registration, then years 2 and 3

Wisconsin ranking

Order of criteria: three-year fees, coverage, renewal, Wisconsin fit, fee transparency (method).

1. Mainstay Filing: best for expanding across state lines

Rank 1$199 plus the $100 state fee; $149/yr after

First, Mainstay Filing, because it files the Wisconsin registration for $199 on top of the state fee, first agent year included.

Net of Wisconsin Registered Agent.co, the three-year bill is $100 higher, with more filings covered.

Year two on, the agent costs $149 a year in every state.

What the fee covers

  • Registration filed on your behalf
  • Registered agent: no fee in year one
  • Fee does not vary by state

Pros

  • Agent service free for a year
  • All fifty states covered
  • $199 over the state fee

Cons

  • Wisconsin Registered Agent.co's agent renews for $50 less
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Wisconsin Registered Agent.co: best for a small yearly agent fee

Wisconsin only$199 plus the $100 state fee; $99/yr after

We rank Wisconsin Registered Agent.co second. Reason: $199 service fee, $99 agent renewal.

What the fee covers

  • The foreign registration filing
  • A year of agent service

Pros

  • First agent year in the fee
  • $199 and the state fee
  • $99 a year for the agent after

Cons

  • Home state needs a separate agent
Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.

3. WI Registered Agent.org: best for registering only in Wisconsin

Wisconsin only$199 plus the $100 state fee; $99/yr after

We rank WI Registered Agent.org third. Reason: $199 service fee, $99 agent renewal.

Prices match Wisconsin Registered Agent.co's, so the two sit close.

What the fee covers

  • The foreign registration filing
  • A year of agent service

Pros

  • $99 a year for the agent after
  • $199 and the state fee
  • First agent year in the fee

Cons

  • Home state needs a separate agent
Visit WI Registered Agent.orgPartner link. We may earn money if you buy.

The ranking as numbers

#ServiceYr 1Yr 2+Service fees, 3 yrs
1Mainstay Filing$199$149/yr$497Visit Mainstay FilingPartner link. We may earn money if you buy.
2Wisconsin Registered Agent.co$199$99/yr$397Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.
3WI Registered Agent.org$199$99/yr$397Visit WI Registered Agent.orgPartner link. We may earn money if you buy.
Fees as posted November 12, 2026. The $100 state fee is not in any row.

Run the numbers

Registration fee $100, report $65 from year two; service fees are added.
Mainstay Filing, 3 years: $727 ($230 state, $497 service).

Wisconsin next to nearby ranks

RkStateThree-year foreign LLC fees
17thWest Virginia$200
19thKansas$205
20thWisconsin$230
21stNorth Dakota$235
22ndNew Jersey$250
The full ranking uses one method for all fifty states.

Wisconsin filing for out-of-state LLCs

Registration runs on the Foreign Registration Statement, Limited Liability Company (Form 521), sent to the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services with $100.

Then each cycle the annual report ($65), March 31.

Checklist

  • The LLC's legal name and the day it was formed.
  • A registered agent based in the state (included with each pick).
  • A way to pay the $100 official fee.

Consequences of staying unregistered

Contracts stay valid (Wis. Stat. 183.0902(3)).

Reasoning

Mainstay Filing wins on scope of the price, worth 29%; Wisconsin Registered Agent.co is next.

The company has a home state; one provider for it and Wisconsin scored highest.

Wisconsin: questions

Fee for a foreign LLC to register in Wisconsin?

$100 as the official fee. A service adds $199.

Foreign registration form for Wisconsin?

Use the Foreign Registration Statement, Limited Liability Company (Form 521); it goes to the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services.

Anything due yearly from a foreign LLC?

Yes, the annual report, fee $65.

What if the LLC works there unregistered?

Contracts stay valid (Wis. Stat. 183.0902(3)).

Wisconsin: a registered agent for a foreign LLC?

Every LLC must name a registered agent with an in-state street address.

Which service do you pick for foreign registration?

Mainstay Filing, then Wisconsin Registered Agent.co and WI Registered Agent.org. The split is scope of the price.

More from this state

Basis for this page

  1. Desk file, dfi.wi.gov: Wisconsin Department of Financial Institutions, Division of Corporate; pulled August 2026.
  2. Desk file, dfi.wi.gov: Wisconsin Department of Financial Institutions, Division of Corporate; pulled August 2026.
  3. Desk file, docs.legis.wisconsin.gov: Wisconsin report due date; pulled August 2026.
  4. Desk file, dfi.wi.gov: Wis; pulled August 2026.
  5. Desk file, dfi.wi.gov: Wisconsin formation fee: Filing fee, official source; pulled October 2026.
  6. Desk file, docs.legis.wisconsin.gov: Wisconsin registered agent statute; pulled October 2026.
  7. Desk file, dfi.wi.gov: DFI Form 521, foreign registration statement for an; pulled October 2026.
  8. Desk file, dfi.wi.gov: DFI file online; pulled October 2026.
  9. Desk file, docs.legis.wisconsin.gov: Wis; pulled October 2026.
  10. Desk file, dfi.wi.gov: DFI Form 524, withdrawal of registration; pulled October 2026.
  11. Desk file, docs.legis.wisconsin.gov: Wis; pulled November 2026.
  12. Desk file, sos.wv.gov: West Virginia SOS, register an out-of-state business; pulled October 2026.
  13. Desk file, sos.wv.gov: Form LLF-1, application for certificate of authority; pulled October 2026.
  14. Desk file, code.wvlegislature.gov: W; pulled October 2026.
  15. Desk file, code.wvlegislature.gov: W; pulled October 2026.
  16. Desk file, code.wvlegislature.gov: W; pulled October 2026.
  17. Desk file, sos.wv.gov: West Virginia SOS, cancel or withdraw a foreign; pulled October 2026.
  18. Desk file, sos.ks.gov: Kansas Secretary of State, register a business; pulled October 2026.
  19. Desk file, sos.ks.gov: Form FA, foreign business application; pulled October 2026.
  20. Desk file, ksrevisor.gov: K.S.A. 17-7932, activities that are not doing business; pulled October 2026.
  21. Desk file, ksrevisor.gov: K.S.A. 17-76,126, effect of failing to register; pulled October 2026.
  22. Desk file, sos.ks.gov: Kansas Secretary of State, information reports; pulled October 2026.
  23. Desk file, sos.nd.gov: North Dakota Secretary of State, limited liability companies; pulled October 2026.
  24. Desk file, ndlegis.gov: NDCC Chapter 10-32.1; pulled October 2026.
  25. Desk file, sos.nd.gov: Secretary of State, registered agents; pulled October 2026.
  26. Desk file, sos.nd.gov: Secretary of State, business services; pulled October 2026.
  27. Desk file, njportal.com: NJ Division of Revenue, Business Formation service; pulled October 2026.
  28. Desk file, nj.gov: NJ Division of Revenue, fee schedule; pulled October 2026.
  29. Desk file, nj.gov: Public Records Filing for New Business Entity; pulled October 2026.
  30. Desk file, pub.njleg.gov: New Jersey Revised Uniform LLC Act; pulled October 2026.
  31. Desk file, njportal.com: NJ Annual Reports and Change Services; pulled October 2026.
  32. Company site pulled November 12, 2026: Mainstay Filing Wisconsin service page
  33. Company site pulled November 12, 2026: Wisconsin Registered Agent.co pricing page
  34. Company site pulled November 12, 2026: WI Registered Agent.org pricing page