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LLC 101 Guide

Section 2 · Wisconsin

The Wisconsin Registered Agent Unit (2026): 6 Tasks and the 3 Best Agents

Ranked for 2026, the services worth hiring for naming a registered agent in Wisconsin are Mainstay Filing ($149 a year), Wisconsin Registered Agent.co ($99 a year) and WI Registered Agent.org ($99 a year). The 6 tasks below cover what Wisconsin requires of a registered agent, who may serve, which address counts and how to put the agent on record.

Prepared by the LLC 101 Guide instructors

Key facts for this unit

Legally required
Yes
Source: docs.legis.wisconsin.gov, read in October 2026
Yearly cost of our picks
$99 to $149 a year
From company pricing pages
Annual report
$25 a year
Source: dfi.wi.gov, read in August 2026
How many tasks
6
Listed below

Course objectives

  • What Wisconsin requires of a registered agent
  • Who may serve and from what address
  • Getting the agent listed
  • The agents we picked

If you want someone else to file

Five weighted criteria set the order (see how we grade), and three-year cost and assignments completed count most.

Top of the class

1. Mainstay Filing: best for one agent in every state

Our first pick$149 per year (renews at $149)

Mainstay Filing comes out first, and the reason is that $149 a year, $149 at renewal, and the same plan works in every other state.

You pay $150 more over three years than at Wisconsin Registered Agent.co and leave less of the paperwork to yourself.

What the price covers

  • A registered office in Wisconsin
  • Free scans of legal papers served on the company, sent the business day they arrive
  • Up to three government letters a year are scanned free
  • Also works for nonprofits, corporations, LPs and LLPs

What works

  • One price in all fifty states
  • A flat $149 yearly

What to weigh

  • $50 a year above Wisconsin Registered Agent.co
  • Report filing needs the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy.

Top of the class

2. Wisconsin Registered Agent.co: best for LLCs that live only in Wisconsin

Focused on Wisconsin$99 per year (renews at $99)

Pick number 2 is Wisconsin Registered Agent.co, where an in-state street address for the registered office at $99 a year.

What the price covers

  • An in-state office address
  • Online copies of legal papers

What works

  • Under Mainstay Filing on price
  • $99 per year

What to weigh

  • No help in other states
  • No help with the annual report
Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.

Top of the class

3. WI Registered Agent.org: best for a local alternative

Focused on Wisconsin$99 per year (renews at $99)

Pick number 3 is WI Registered Agent.org, where an in-state street address for the registered office at $99 a year.

It charges exactly what Wisconsin Registered Agent.co charges.

What the price covers

  • An in-state office address
  • Online copies of legal papers

What works

  • Under Mainstay Filing on price
  • $99 per year

What to weigh

  • No help in other states
  • No help with the annual report
Visit WI Registered Agent.orgPartner link. We may earn money if you buy.

All the prices in one table

#ServiceAnnual priceRenewal priceThree-year total
1Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
2Wisconsin Registered Agent.co$99$99/yr$297Visit Wisconsin Registered Agent.coPartner 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.
Company prices as listed on November 13, 2026. State fees do not change with your choice of agent.

The unit, task by task

  1. Task 1

    What Wisconsin expects of an agent

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

    Source: Source: docs.legis.wisconsin.gov, read in October 2026

  2. Task 2

    Who can take the role

    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. This is in Wis. Stat. § 183.0115.

  3. Task 3

    Pick an address that complies

    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.

    Each service we recommend supplies the in-state address.

  4. Task 4

    Settle on the person or company

    If you pass the tests above you can name yourself; hiring one of the recommended agents costs $99 to $149 a year.

  5. Task 5

    Report the agent's details

    On a new Wisconsin LLC, the agent goes on the Articles of Organization - Limited Liability Company (Form 502). A later switch is a separate filing with the Department of Financial Institutions (DFI).

    Source: Source: dfi.wi.gov, read in October 2026

  6. Task 6

    Check the record every year

    Send in the annual report on time ($25, end of the calendar quarter containing the LLC's anniversary date) and the agent record stays correct.

    Source: Source: dfi.wi.gov, read in August 2026

Wisconsin agent costs

ItemWho gets paidCost
Registered agent serviceYour service$99 to $149 a year
Renewing the agentYour service$99 to $149 a year
Annual reportPaid to the state$25 every year
State amounts come from Wisconsin's official fee schedules (see the sources below); service prices come from each company's site. The three-year state total adds the filing, the reports for years two and three and any minimum tax.

How the grades came out

Assignments the price completes settled first place in Wisconsin. It is worth 31% of the grade, and the other 69% comes from course fee across three years, second-year fee, match with the state syllabus and plain pricing.

Wisconsin Registered Agent.co costs less, but reach across states earned the higher grade.

Check your Wisconsin answers

Must a Wisconsin LLC maintain a registered agent?

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

Can I be my own registered agent?

Maybe. Read tasks 2 and 3 and see whether you meet both rules.

Can I change my registered agent later?

Yes, any time. Task 5 explains how to file the change with the Department of Financial Institutions (DFI).

What does a registered agent cost in Wisconsin?

Prices on this page run $99 to $149 a year.

What does the LLC pay the state each year?

Every time, the state collects the annual report fee of $25.

Which registered agent would you choose?

Mainstay Filing, because an agent for $149 a year who can follow the company wherever it registers next. After it come Wisconsin Registered Agent.co and WI Registered Agent.org.

Reading list and sources

  1. Everything about Wisconsin Department of Financial Institutions, Division of Corporate above traces to dfi.wi.gov, a page we reread in August 2026.
  2. Everything about Wisconsin Department of Financial Institutions, Division of Corporate above traces to dfi.wi.gov, a page we reread in August 2026.
  3. Everything about Wisconsin report due date above traces to docs.legis.wisconsin.gov, a page we reread in August 2026.
  4. Everything about Wis above traces to dfi.wi.gov, a page we reread in August 2026.
  5. Everything about Wisconsin formation fee: Filing fee, official source above traces to dfi.wi.gov, a page we reread in October 2026.
  6. Everything about Wisconsin registered agent statute above traces to docs.legis.wisconsin.gov, a page we reread in October 2026.
  7. Mainstay Filing Wisconsin service page, opened November 13, 2026
  8. Wisconsin Registered Agent.co pricing page, opened November 13, 2026
  9. WI Registered Agent.org pricing page, opened November 13, 2026