Skip to content
State Filing Data LLC fees by state, read from the source.

Foreign LLC guide · Wisconsin

Wisconsin Foreign LLC Registration (2026): Fees and the 3 Best Services

In 2026 we'd hire Mainstay Filing ($199), Wisconsin Registered Agent.co ($199) and WI Registered Agent.org ($199) for foreign LLC registration in Wisconsin, in that order. State fees for a foreign LLC: $100 to register, $65 per report after that. Rank: 20th of 50.
State Filing Data research desk

Wisconsin: the figures

among 50 states, foreign LLC fees

Low rank, low state fees. Compare states

Registration fee

$100

per dfi.wi.gov, October 2026

Yearly report

$65

Annual report

Three-year state fees

$230

Registration, then two report years

Our Wisconsin shortlist

The methodology sets the order. Service fees over three years count most, then what the price covers.

We would start here

1. Mainstay Filing: best for a second or third state

Service fee $199, renewal $149 a year

First choice, Mainstay Filing: it files the Wisconsin registration for $199 over the state fee and includes year one of agent service.

You would pay $100 more over three years than with Wisconsin Registered Agent.co, for more of the state's paperwork handled.

From year two the agent is $149 a year, the same in every state you add.

What you pay for

  • Registration prepared and filed
  • Registered agent, free for the first year
  • Fifty-state coverage

For

  • Same fee in every state
  • $199 + state fee
  • No agent fee in year one

Against

  • Higher agent renewal ($149)
Visit Mainstay Filing Partner link. We may earn money if you buy.
In-state

2. Wisconsin Registered Agent.co: best for Wisconsin registration on a budget

Service fee $199, renewal $99 a year

In second place, Wisconsin Registered Agent.co: $199 over the state fee to register, then $99 a year.

What you pay for

  • Wisconsin registration prepared and filed
  • A year of agent service

For

  • $199 to register
  • Then $99 a year
  • Agent included for year one

Against

  • Single-state service
Visit Wisconsin Registered Agent.co Partner link. We may earn money if you buy.
In-state

3. WI Registered Agent.org: best for a second Wisconsin option

Service fee $199, renewal $99 a year

In third place, WI Registered Agent.org: $199 over the state fee to register, then $99 a year.

It publishes the same prices as Wisconsin Registered Agent.co, so the two are close.

What you pay for

  • Wisconsin registration prepared and filed
  • A year of agent service

For

  • Agent included for year one
  • $199 to register
  • Then $99 a year

Against

  • Single-state service
Visit WI Registered Agent.org Partner link. We may earn money if you buy.

3 picks, side by side

#ServiceYear oneFrom year twoThree-year service fees
1 Mainstay Filing $199$149/yr$497
Visit Mainstay Filing Partner link. We may earn money if you buy.
2 Wisconsin Registered Agent.co $199$99/yr$397
Visit Wisconsin Registered Agent.co Partner link. We may earn money if you buy.
3 WI Registered Agent.org $199$99/yr$397
Visit WI Registered Agent.org Partner link. We may earn money if you buy.

Each company's published price, read November 12, 2026. State fee ($100) not included above.

Registration plus upkeep, by year

Pick years and a service. The state side is the $100 registration and each yearly report.

State fees $230 plus Mainstay Filing at $497: $727 over 3 years.

How Wisconsin compares with nearby ranks

RankStateThree-year foreign LLC fees
17th West Virginia$200
19th Kansas$205
20th Wisconsin$230
21st North Dakota$235
22nd New Jersey$250

Five rows of fifty; the rest are in Foreign LLC fees by state.

Wisconsin foreign registration: fee, form, office

The Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services takes the Foreign Registration Statement, Limited Liability Company (Form 521) and a $100 fee.

After that it files the annual report ($65), March 31.

Filing checklist

  • Your home-state legal name and formation date.
  • A Wisconsin registered agent; every service on this page provides it.
  • A way to pay the $100 state fee.

The cost of not registering

Contracts it signed still hold (Wis. Stat. 183.0902(3)).

What decided the order

The split between Mainstay Filing and Wisconsin Registered Agent.co sits in state filings covered, which carries 30%.

Multi-state coverage beat Wisconsin Registered Agent.co's lower renewal.

FAQ

How much does it cost to register a foreign LLC in Wisconsin?

$100 at the state office. Service fees: $199.

Which form registers a foreign LLC in Wisconsin?

File Foreign Registration Statement, Limited Liability Company (Form 521) with the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services.

What does a foreign LLC file after registering?

The annual report, $65.

What if the LLC does business there without registering?

Contracts it signed still hold (Wis. Stat. 183.0902(3)).

Is a registered agent needed there?

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

Who should file the registration?

Mainstay Filing, Wisconsin Registered Agent.co and WI Registered Agent.org, in that order.

Keep going

Official sources and price pages

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