Best Registered Agent by State › Wisconsin

Registered agent in Wisconsin: requirements, real cost and our pick

Our pick for Wisconsin is Mainstay Filing: $149 a year, the same at renewal. Every LLC must name a registered agent with an in-state street address.

What Wisconsin requires

Agent neededRequired (Wis. Stat. § 183.0115)

Who can serveA 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.

AddressThe 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.

Change of agent$10, filed with Department of Financial Institutions (DFI)

Do it yourself?The company cannot be its own agent here, so someone else, or a commercial agent, has to be named.

Checked October 20, 2026.

Our pick and the field

Registered agent prices for Wisconsin read October 2026, from each provider’s own page.
Provider	Year 1	Renewal	What the page lists
Mainstay Filing	$149	$149	Registered agent all year; service of process scanned and uploaded the same business day
ZenBusiness	$99	$199	Document receipt, scanning and upload to a dashboard; email notifications
Northwest Registered Agent	$125	$125	Its address on public filings; scans of state and legal mail; up to 5 pieces of other business mail scanned free a year; domain, website, email and phone line
Bizee	$149	$149	Compliance notifications; its address on the public record
LegalZoom	$249	$249	Alerts when mail arrives; documents scanned and uploaded; annual report reminders
Swyft Filings	$596	$596	Billed $149 per quarter, which is $596 a year.

What an agent does and doesn’t do here

It takes service of process and official state mail. It is not a business mailing address, and cannot stand in for one, for example for bank verification. See the full list.

Why prices differ so much in Wisconsin

Published year-one prices here run $99 to $596, a $497 spread. ZenBusiness is lowest in year one and Northwest Registered Agent lowest at renewal. Three things drive the spread: a first-year price that renews higher, a free year that needs a formation order, and what is bundled, from scanning to annual-report reminders. Compare the renewal column, not the first one.

What is the best registered agent in Wisconsin?

Mainstay Filing: $149 a year, the same at renewal. 5 other providers have a published Wisconsin price, from $99 to $596 in year one.

Can I be my own registered agent in Wisconsin?

The company cannot be its own agent here, so someone else, or a commercial agent, has to be named. 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.

How do I change my registered agent in Wisconsin?

File the state’s change form with Department of Financial Institutions (DFI); the fee is $10 (Wis. Stat. § 183.0115).