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Formation Scorecard

Registered agent scorecard · Wisconsin

3 Best Registered Agents in Wisconsin (2026)

On the Formation Scorecard 2026 scorecard for registered agents in Wisconsin the order reads Mainstay Filing ($149 a year), WI Registered Agent.org ($99 a year) and Wisconsin Registered Agent.co ($99 a year). Mainstay Filing posts the top score: a $149 agent plan that travels to any state, renewing at $149.
Researched and written by the Formation Scorecard editorial team
Rank #1 Number one here

1. Mainstay Filing: best for every state

9.3 Editor score out of 10
$149 a year, no change on renewal

Mainstay Filing leads the card: $149 yearly for an agent that fits a company in one state or in fifty, with the first three government mailings each year scanned free.

Not formed yet? Mainstay's $199-a-year formation package covers the Wisconsin filing along with the annual report.

Mainstay's three-year total sits $150 above WI Registered Agent.org's, which the extra coverage earns back in our scoring.

What you get

  • An in-state street address on the public record
  • Served papers scanned and uploaded the day they arrive, free
  • The first three government mailings each year scanned at no cost
  • Compliance reminders

Strengths

  • First three government mailings each year scanned free
  • Fits LLCs, corporations, LPs, LLPs and nonprofits
  • $149 a year with no renewal step-up
  • Served papers scanned on the day they arrive, free

Watch for

  • Agent service alone costs $50 a year more than WI Registered Agent.org
  • Reports are filed only under the formation package
Visit Mainstay FilingPartner link. We may earn money if you buy. Mainstay Filing: the full write-up
Rank #2 Best for a Wisconsin-only company

2. WI Registered Agent.org: best for the lowest yearly rate on this list

8.8 Editor score out of 10
$99 a year, no change on renewal

WI Registered Agent.org takes second spot: a Wisconsin specialist at $99 a year that supplies an in-state registered office street address.

The registered office comes from WI Registered Agent.org as an in-state address, with scans of served documents sent to your account.

What you get

  • The in-state street address the state expects on file
  • Anything served on the company is scanned and made available online

Strengths

  • Costs less per year than Mainstay Filing
  • Also forms LLCs, first agent year included
  • A $99 plan with a flat renewal

Watch for

  • You file the annual report yourself
  • Limited to Wisconsin; other states need another agent
Visit WI Registered Agent.orgPartner link. We may earn money if you buy. WI Registered Agent.org: the full write-up
Rank #3 Wisconsin-focused

3. Wisconsin Registered Agent.co: best for Wisconsin-based companies

8.6 Editor score out of 10
$99 a year, no change on renewal

Wisconsin Registered Agent.co takes third spot: a Wisconsin specialist at $99 a year that supplies an in-state registered office street address.

Wisconsin Registered Agent.co stands in as the company's registered office, receives served papers and posts scans of them to your online account.

The published prices and features do not separate WI Registered Agent.org from Wisconsin Registered Agent.co; choose whichever you like.

What you get

  • A physical address in the state for the registered office
  • Legal papers served on the company are scanned and sent to your online account

Strengths

  • A $99 plan with a flat renewal
  • Also forms LLCs, first agent year included
  • Wins on yearly price against Mainstay Filing

Watch for

  • You file the annual report yourself
  • Limited to Wisconsin; other states need another agent
Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy. Wisconsin Registered Agent.co: the full write-up

The 3 entries on one card

Place Service Card score Yearly cost Renews at Best for Go
1 Mainstay Filing 9.3 $149 $149/yr An agent for every state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 WI Registered Agent.org 8.8 $99 $99/yr The lowest yearly price we rank here Visit WI Registered Agent.orgPartner link. We may earn money if you buy.
3 Wisconsin Registered Agent.co 8.6 $99 $99/yr The lowest yearly price we rank here Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy.

The marks out of 10 come from our editors and follow the weights on How we rank; none of them is a customer rating.

Wisconsin registered agent cost in 2026: first year, renewal and the three-year tally

Service First year Second year Third year Three-year tally Holds its price at renewal
Mainstay Filing $149 $149 $149 $447 Yes
WI Registered Agent.org $99 $99 $99 $297 Yes
Wisconsin Registered Agent.co $99 $99 $99 $297 Yes

Each price comes from the company's own site, read on November 12, 2026. Wisconsin charges its own fees the same way whichever agent you name.

Why the order falls this way

Points here: 25% for cost across three years, 25% for coverage of the price and 50% across renewal terms, state-by-state fit and pricing clarity. Wisconsin came down to coverage of the price.

The Mainstay agent plan earns more coverage points: papers served on the company are scanned the same business day for free, one price holds in all fifty states and three government mailings a year are scanned at no charge. WI Registered Agent.org wins on cost, so the two finish close.

Every criterion and weight appears on How we rank.

What the Department of Financial Institutions (DFI) requires of a Wisconsin registered agent (official)

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. Statute: Wis. Stat. § 183.0115.

The Wisconsin annual report: fee, due date and your agent

Wisconsin LLCs file the annual report every year. The fee is $25 and the date is end of the calendar quarter containing the LLC's anniversary date. Filing late means $25 more. The state sends related notices to your registered agent.

Wisconsin registered agent: quick questions

Is a Wisconsin LLC obliged to keep a registered agent?

It is. Wisconsin wants every LLC to have a registered agent on file, and that agent must hold a street address inside the state.

What is the going yearly rate for a registered agent in Wisconsin?

Yearly prices span $99 to $149, and each service holds its price when it renews.

Is it allowed to serve as my own registered agent?

Yes, if you satisfy the state's conditions. 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.

When must the Wisconsin annual report be filed?

The deadline is end of the calendar quarter containing the LLC's anniversary date. The state's fee is $25. A late filing is penalized with $25.

Which registered agents sit on this card?

Mainstay Filing ($149 a year), WI Registered Agent.org ($99 a year) and Wisconsin Registered Agent.co ($99 a year), top to bottom.

Which Wisconsin registered agent scores best on value?

Mainstay Filing, since $149 a year with no bump at renewal, and papers served on the company are scanned the same business day for free.

Related pages

Where the figures come from

  1. Wisconsin Department of Financial Institutions, Division of Corporate & Consumer Services, as of August 2026
  2. Wisconsin Department of Financial Institutions, Division of Corporate & Consumer Services, as of August 2026
  3. Wisconsin report due date, as of August 2026
  4. Wis. Stat. § 183.0201, as of August 2026
  5. Wisconsin formation fee: Filing fee, official source, as of October 2026
  6. Wisconsin registered agent statute, as of October 2026
  7. Read on November 12, 2026: Wisconsin service page for Mainstay Filing
  8. Read on November 12, 2026: pricing and service pages for WI Registered Agent.org
  9. Read on November 12, 2026: pricing and service pages for Wisconsin Registered Agent.co