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Formation Facts

What the state wants, and what it costs.

Registered agent guide · Wisconsin

Wisconsin Registered Agent Requirements and Fees (2026): the Rules and the 3 Best Agents

For anyone naming a registered agent in Wisconsin this year, 2026, we would go with Wisconsin Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and WI Registered Agent.org ($99 a year), in that order. You cannot run a Wisconsin LLC without a registered agent. What the state charges each year comes to $25, 19th of 50.
Briefing by the Formation Facts team

The Wisconsin basics

19th

of 50 for one year of state fees

Rank 1 is the least expensive state, a tie. The whole 50-state comparison

  • Registered agent required

    Yes

    docs.legis.wisconsin.gov; we confirmed it in October 2026

  • Annual report

    $25 / yr

    Deadline, as the state states it: end of the calendar quarter containing the LLC's anniversary date. dfi.wi.gov; we confirmed it in August 2026

  • What the state collects in 1 year

    $25

    Recurring state fees over one year

What we would pick in Wisconsin

In order of weight: three-year fees, coverage, renewal terms, fit with Wisconsin, a clear state fee (method).

Our top choice

1. Wisconsin Registered Agent.co: best for a low flat agent price

$99 for the first year, and the same after that

We start with Wisconsin Registered Agent.co, and the reason is simple: a plan for Wisconsin companies only: $99 a year, then $99.

Cost decides this one, since three years here cost you less than three years with Mainstay Filing.

What your money gets you

  • A physical address in Wisconsin
  • Anything served on the company is scanned and posted online

What works

  • $99 yearly, with no increase
  • A yearly price below Mainstay Filing

What to weigh

  • One state only
  • Expect to prepare the annual report on your own time
Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.

Works anywhere

2. Mainstay Filing: best for one provider for the whole country

$149 for the first year, and the same after that

In second place we put Mainstay Filing. A $149 agent price that applies in all fifty states, so growing companies need only one provider.

Over three years it runs $150 above Wisconsin Registered Agent.co, and cost is the biggest weight in our score.

What your money gets you

  • A physical address inside the state
  • Scans anything served on the company the same business day and does not charge for it
  • Scans your first three government letters each year at no cost
  • Also works for nonprofits, corporations, LPs and LLPs

What works

  • The same price in all fifty states
  • $149 yearly, with no step up

What to weigh

  • Costs you $50 more each year than Wisconsin Registered Agent.co
  • This plan does not file your reports
Visit Mainstay FilingPartner link. We may earn money if you buy.

Wisconsin specialist

3. WI Registered Agent.org: best for an agent near home

$99 for the first year, and the same after that

In third place we put WI Registered Agent.org. A plan for Wisconsin companies only: $99 a year, then $99.

You pay the same here as at Wisconsin Registered Agent.co.

What your money gets you

  • A physical address in Wisconsin
  • Anything served on the company is scanned and posted online

What works

  • $99 yearly, with no increase
  • A yearly price below Mainstay Filing

What to weigh

  • One state only
  • Expect to prepare the annual report on your own time
Visit WI Registered Agent.orgPartner link. We may earn money if you buy.

The 3 picks compared

RankWhoYou pay per yearRenewal priceTheir fees across 3 years
1Wisconsin Registered Agent.co$99$99/yr$297Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
3WI Registered Agent.org$99$99/yr$297Visit WI Registered Agent.orgPartner link. We may earn money if you buy.
Each company's own price page was open in front of us on November 13, 2026. Wisconsin's own fees stay the same whoever acts as your agent.

Registered agent calculator

This adds agent fees to the state's recurring charges (the annual report from year 2). Formation fees are not included.
With Wisconsin Registered Agent.co, 3 years will cost you $347: $50 to the state and $297 to the provider.

How Wisconsin compares with the states near it in the ranking

RankStateYearly state fees
19thOklahoma$25
19thWest Virginia$25
19thWisconsin$25
24thLouisiana$35
25thKansas$45
Registered agent rules by state lines up every state, starting with the lowest cost.

The rules for a registered agent in Wisconsin, straight from the statute

Every LLC must name a registered agent with an in-state street address. The address has to be an actual physical location with a street address in Wisconsin, not solely a P.O. box, mailbox service or answering service.

The state will accept: 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. The law is Wis. Stat. § 183.0115.

Wisconsin's recurring fees

Count on $25 every year for the annual report, end of the calendar quarter containing the LLC's anniversary date. The state sends its mail to the address of your registered agent.

Why the first pick is first

Wisconsin Registered Agent.co pulled ahead of Mainstay Filing on price over three years, which is weighted 33%.

Over three years you would pay Wisconsin Registered Agent.co $297 in fees ($150 below Mainstay Filing).

Wisconsin registered agent questions

Do I have to name a registered agent for my Wisconsin LLC?

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

Who is allowed to be a registered agent for my Wisconsin LLC?

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.

What will registered agent service cost me each year in Wisconsin?

The agents on this page charge $99 to $149 a year.

Which state fees will I pay every year?

You will pay $25 a year on our yearly measure, which is the annual report ($25 every year).

Which registered agents does this page rank?

Wisconsin Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and WI Registered Agent.org ($99 a year), starting at the top of our list.

Which registered agent should I choose?

Wisconsin Registered Agent.co comes first and Mainstay Filing and WI Registered Agent.org follow. What separates them is price over three years.

Other briefings

Where this briefing comes from

  1. Our figures on Wisconsin Department of Financial Institutions, Division of Corporate come from dfi.wi.gov. The last time we confirmed that page was August 2026.
  2. Our figures on Wisconsin Department of Financial Institutions, Division of Corporate come from dfi.wi.gov. The last time we confirmed that page was August 2026.
  3. Our figures on Wisconsin report due date come from docs.legis.wisconsin.gov. The last time we confirmed that page was August 2026.
  4. Our figures on Wis come from dfi.wi.gov. The last time we confirmed that page was August 2026.
  5. Our figures on Wisconsin formation fee: Filing fee, official source come from dfi.wi.gov. The last time we confirmed that page was October 2026.
  6. Our figures on Wisconsin registered agent statute come from docs.legis.wisconsin.gov. The last time we confirmed that page was October 2026.
  7. Our figures on Oklahoma Secretary of State, Business Filing Department come from sos.ok.gov. The last time we confirmed that page was August 2026.
  8. Our figures on Oklahoma Secretary of State, Business Filing Department come from sos.ok.gov. The last time we confirmed that page was August 2026.
  9. Our figures on West Virginia Secretary of State, Business & Licensing come from business4.wv.gov. The last time we confirmed that page was August 2026.
  10. Our figures on West Virginia Secretary of State, Business & Licensing come from business4.wv.gov. The last time we confirmed that page was August 2026.
  11. Our figures on West Virginia yearly filing: Annual report: fee and come from sos.wv.gov. The last time we confirmed that page was October 2026.
  12. Our figures on West Virginia yearly filing: Annual report: fee and come from onestop.wv.gov. The last time we confirmed that page was October 2026.
  13. Our figures on Louisiana Secretary of State come from geauxbiz.sos.la.gov. The last time we confirmed that page was August 2026.
  14. Our figures on Louisiana Secretary of State come from sos.la.gov. The last time we confirmed that page was August 2026.
  15. Our figures on Louisiana yearly filing: Annual report, official source come from legis.la.gov. The last time we confirmed that page was October 2026.
  16. Our figures on Kansas Form ILC, Information Report come from sos.ks.gov. The last time we confirmed that page was October 2026.
  17. You can see pricing page for Wisconsin Registered Agent.co on its own website, which we looked at on November 13, 2026
  18. You can see Wisconsin service page for Mainstay Filing on its own website, which we looked at on November 13, 2026
  19. You can see pricing page for WI Registered Agent.org on its own website, which we looked at on November 13, 2026