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LLC UnpackedEvery filing, unpacked: the fee, the form, the catch.

Unpacked · Wisconsin

3 Best Registered Agents in Wisconsin (2026), Opened Up

Our 2026 stack of registered agents in Wisconsin, top to bottom: WI Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Wisconsin Registered Agent.co ($99 a year). Inside the price: $99 to $149 for year one, and $297 to $447 across three years.
Unpacked by the LLC Unpacked editorial team

Four things inside

Required to name one?
Yes, by law
Label in the statute
Registered agent
What agents charge
$99 to $149 a year
Top of the stack
WI Registered Agent.org, Mainstay Filing then Wisconsin Registered Agent.co

Wisconsin: ranked

The order follows our five layers: three-year cost first, then what the price covers.
Top of the stack

1. WI Registered Agent.org: best for one-state businesses

Year one $99, later years $99

WI Registered Agent.org sits on top in Wisconsin because its service puts a street address on file for $99 a year.

Three years cost less here than at Mainstay Filing, and cost counts most in our weighing.

Inside the price

  • A local address on file
  • Scans of legal papers online

Inside, the good

  • Annual price $99, renewal price $99
  • Costs less a year than Mainstay Filing

Inside, the catch

  • Single-state coverage
  • You carry the annual report yourself
Holds up anywhere

2. Mainstay Filing: best for one price in every state

Year one $149, later years $149

What puts Mainstay Filing second: its price is $149 a year here and identical in every other state.

Why not higher? Three years cost $150 more than WI Registered Agent.org, and cost is the heaviest layer.

Inside the price

  • An in-state address on file
  • Scans of three government mailings a year at no charge
  • Reaches beyond LLCs: corporations, LPs, LLPs and nonprofits

Inside, the good

  • Just $149 a year
  • One price in all fifty states

Inside, the catch

  • WI Registered Agent.org charges $50 less each year
  • Agent role only, no report filing
The Wisconsin specialist

3. Wisconsin Registered Agent.co: best for another in-state option

Year one $99, later years $99

Wisconsin Registered Agent.co lands third, and its service puts a street address on file for $99 a year.

It charges what WI Registered Agent.org charges.

Inside the price

  • A local address on file
  • Scans of legal papers online

Inside, the good

  • Annual price $99, renewal price $99
  • Costs less a year than Mainstay Filing

Inside, the catch

  • Single-state coverage
  • You carry the annual report yourself

Inside each price

#CompanyYear oneRenewalTotal, 3 yearsWhat is inside
1WI Registered Agent.org$99$99/yr$297A local address on file; scans of legal papers onlineOpen WI Registered Agent.orgPartner link. We may earn money if you buy.
2Mainstay Filing$149$149/yr$447An in-state address on file; scans of three government mailings a year at no charge; Reaches beyond LLCs: corporations, LPs, LLPs and nonprofitsOpen Mainstay FilingPartner link. We may earn money if you buy.
3Wisconsin Registered Agent.co$99$99/yr$297A local address on file; scans of legal papers onlineOpen Wisconsin Registered Agent.coPartner link. We may earn money if you buy.
Read November 13, 2026. Three years means year one plus two renewals.

Layer by layer

Must the LLC name a registered agent?

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

The law underneath: Wis. Stat. § 183.0115. docs.legis.wisconsin.gov holds the original, confirmed October 2026

Who is allowed to be the agent?

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.

Meet the rule and the role costs nothing.

What is inside an agent's price?

Services we rank charge $99 to $149 each year, which adds up to $297 to $447 over three.

Changing agents never changes a state fee.

Why does the state want an agent?

The agent is the party that signs for lawsuits and state mail addressed to the LLC, at a Wisconsin street address.

If papers arrive and nobody accepts them, a case can move ahead without the LLC. Service of process, unpacked

Is anything else due every year?

Plan on $25 each year for the annual report. For timing the state says: end of the calendar quarter containing the LLC's anniversary date.

dfi.wi.gov holds the original, confirmed August 2026

What put number one on top?

On total across three years (34%), WI Registered Agent.org comes out ahead.

Five layers set the order: total across three years (34%), what is inside the price (29%), price laid out in the open (14%), how the renewal behaves (12%) and how far it reaches (11%).

Three years at WI Registered Agent.org cost $297, which is $150 below Mainstay Filing.

How we open it up

Wisconsin agent rule, unpacked

RequirementAmount or rulePeek at source
LLC filing fee$130dfi.wi.gov holds the original, confirmed October 2026
Registered agentYes, by lawdocs.legis.wisconsin.gov holds the original, confirmed October 2026
Annual report$25 every yeardfi.wi.gov holds the original, confirmed August 2026
What the state collects in three years$180Our total of the rows above
The last row stacks the filing fee, the reports in years two and three and any minimum tax. A cost with no fixed amount, such as a newspaper notice, is explained above and kept out of the sum.

Also worth asking

Can I be my own agent?

Yes, if you meet the state's rules on who may serve and on the address, both shown above.

What address does an agent need?

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.

What do the picks cost over three years?

WI Registered Agent.org stacks up to $297, Mainstay Filing stacks up to $447, Wisconsin Registered Agent.co stacks up to $297

What do these numbers rest on?

Two kinds of source feed this page: Wisconsin's official documents for what the state charges, and company price pages for what services charge.

Do I have to use a service?

No. Owners can file with the state directly. A service saves time and can act as agent, but nothing makes you hire one.

What is the best registered agent for Wisconsin?

WI Registered Agent.org is on top: three years for a Wisconsin-only company come to $297. Under it sit Mainstay Filing and Wisconsin Registered Agent.co.

What the page rests on

  1. Under Wisconsin Department of Financial Institutions sits dfi.wi.gov, dated August 2026, as the original document
  2. Under Wisconsin Department of Financial Institutions sits dfi.wi.gov, dated August 2026, as the original document
  3. Under Wisconsin report due date sits docs.legis.wisconsin.gov, dated August 2026, as the original document
  4. Under Wis sits dfi.wi.gov, dated August 2026, as the original document
  5. Under Wisconsin formation fee: Filing fee sits dfi.wi.gov, dated October 2026, as the original document
  6. Under Wisconsin registered agent statute sits docs.legis.wisconsin.gov, dated October 2026, as the original document
  7. WI Registered Agent.org pricing page, read November 13, 2026
  8. Mainstay Filing Wisconsin service page, read November 13, 2026
  9. Wisconsin Registered Agent.co pricing page, read November 13, 2026