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Quick answer · Wisconsin

3 Best LLC Services in Wisconsin (2026): The Quick Answer

Wisconsin 2026 ranking of LLC formation services: Mainstay Filing ($199), Wisconsin Registered Agent.co ($199) and WI Registered Agent.org ($199). Any pick pays the same $130 state filing fee; service fees come to $397 to $597 in three years.

LLC Q and A editorial team ·

Quick answers

Fee to the state
$130, once
Then
$25 yearly
Registered agent
Yes, by statute
Our pick
Mainstay Filing, Wisconsin Registered Agent.co then WI Registered Agent.org

Wisconsin: ranked picks

Order set by our five criteria, three-year cost first.
1#1 pick

1. Mainstay Filing: best for handing off upkeep

$199 yearly ($329 due at signup, with the state fee)

Reason for Mainstay Filing at the top: $199 a year covers three jobs: formation, the registered agent and the annual report.

Not the lowest bill: Wisconsin Registered Agent.co is $200 less over three years, with more of the paperwork left to you.

Annual report filing is included. The state's $25 is the only addition, at cost.

Price covers

  • LLC formation filing
  • Registered agent for a year
  • Annual report filed
  • EIN application filed
  • State fees passed through, no markup

For

  • $199/yr covers filing, agent and report
  • Takes care of the EIN
  • $199 in year two

Against

  • Wisconsin Registered Agent.co renews $100 lower
Mainstay Filing sitePartner link. We may earn money if you buy.
2Wisconsin only

2. Wisconsin Registered Agent.co: best for a one-state LLC

$199 plus state fee, then $99/yr

Second: Wisconsin Registered Agent.co, because it opens at $199 including the first agent year and renews at $99.

You still handle the annual report yourself.

Price covers

  • LLC filed for you
  • First-year agent included

For

  • Agent renews at $99
  • Formation fee $199
  • First agent year comes with it

Against

  • Annual report is on your list
  • EIN help: $99 more
Wisconsin Registered Agent.co sitePartner link. We may earn money if you buy.
3Wisconsin only

3. WI Registered Agent.org: best for another local option

$199 plus state fee, then $99/yr

Third: WI Registered Agent.org, because it opens at $199 including the first agent year and renews at $99.

You still handle the annual report yourself.

Same published prices as Wisconsin Registered Agent.co, so the order between them is close.

Price covers

  • LLC filed for you
  • First-year agent included

For

  • Agent renews at $99
  • First agent year comes with it
  • Formation fee $199

Against

  • Annual report is on your list
  • EIN help: $99 more
WI Registered Agent.org sitePartner link. We may earn money if you buy.

Comparison

#CompanyFirst yearPer year afterTotal, 3 yearsIncludes
1Mainstay Filing$199$199/yr$597LLC formation filing; registered agent for a year; annual report filedMainstay Filing sitePartner link. We may earn money if you buy.
2Wisconsin Registered Agent.co$199$99/yr$397LLC filed for you; First-year agent includedWisconsin Registered Agent.co sitePartner link. We may earn money if you buy.
3WI Registered Agent.org$199$99/yr$397LLC filed for you; First-year agent includedWI Registered Agent.org sitePartner link. We may earn money if you buy.
Read November 13, 2026; three years = year one + two renewals.

Questions and replies

How much to start an LLC in this state?

State fee $130; add $199 for first-year service.

Three-year state total: $180. dfi.wi.gov (October 2026) is the source of record

Which form, filed where?

The Department of Financial Institutions (DFI) is where the Articles of Organization - Limited Liability Company (Form 502) goes.

Statute: Wis. Stat. § 183.0201. dfi.wi.gov (October 2026) is the source of record

Must the LLC name a registered agent?

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

A Wisconsin resident, or a business entity formed in Wisconsin or authorized there, whose business office is the registered office. The agent needs an email address and has to consent.

docs.legis.wisconsin.gov (October 2026) is the source of record

What is due after formation?

Annual report: every year, $25. For timing, the state's own calendar reads: end of the calendar quarter containing the LLC's anniversary date, so plan ahead of it.

Late fee: $25.

dfi.wi.gov (August 2026) is the source of record

Can I do it myself?

No service is required. State fees alone are $180 over three years.

A service adds $397 to $597 over three years; with Mainstay Filing the reports are in that price.

Why this order?

Chores removed from your list (26%) goes to Mainstay Filing.

Five criteria: three-year price (36%), chores removed from your list (26%), price shown up front (15%), year-two bill (12%) and states served (11%).

Deciding factor: the annual report is in the first pick's price, while Wisconsin Registered Agent.co leaves it with you.

Method

Wisconsin LLC requirements

ItemRule or amountSource
LLC filing fee$130dfi.wi.gov (October 2026) is the source of record
Registered agentYes, by statutedocs.legis.wisconsin.gov (October 2026) is the source of record
Annual report$25 every yeardfi.wi.gov (August 2026) is the source of record
State fees, 3 years$180Sum of the rows above
The last row adds the filing, two reports and any minimum tax. Variable costs are explained in the text and left out of the sum.

More replies

EIN application included?

Only Mainstay Filing includes it. Elsewhere: Wisconsin Registered Agent.co $99, WI Registered Agent.org $99.

What if the report is late?

A late report costs $25 more.

Three-year cost of each?

Totals over three years: Mainstay Filing at $597, Wisconsin Registered Agent.co at $397, WI Registered Agent.org at $397, before state fees.

Are the fees official?

State fees come from Wisconsin's official documents. Service prices come from each company's price page. Both are dated here.

Is a service required?

No. Owners can file directly. A service saves time and can act as agent.

Who ranks first in Wisconsin?

Mainstay Filing, because $199 a year pays for formation, the registered agent and every annual report, then renews at $199. Then Wisconsin Registered Agent.co and WI Registered Agent.org.

Sources

  1. Reference line for Wisconsin Department of Financial Institutions, drawn from dfi.wi.gov and confirmed August 2026, as noted by our editors
  2. Reference line for Wisconsin Department of Financial Institutions, drawn from dfi.wi.gov and confirmed August 2026, as noted by our editors
  3. Reference line for Wisconsin report due date, drawn from docs.legis.wisconsin.gov and confirmed August 2026, as noted by our editors
  4. Reference line for Wis, drawn from dfi.wi.gov and confirmed August 2026, as noted by our editors
  5. Reference line for Wisconsin formation fee: Filing fee, drawn from dfi.wi.gov and confirmed October 2026, as noted by our editors
  6. Reference line for Wisconsin registered agent statute, drawn from docs.legis.wisconsin.gov and confirmed October 2026, as noted by our editors
  7. Mainstay Filing Wisconsin service page, read November 13, 2026
  8. Wisconsin Registered Agent.co pricing page, read November 13, 2026
  9. WI Registered Agent.org pricing page, read November 13, 2026