Wisconsin Registered Agent Guide (2026): Rules, Fees and the 3 Best Agents
Our Wisconsin answer for 2026 is WI Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Wisconsin Registered Agent.co ($99 a year), ranked in that order. Every Wisconsin LLC must keep a registered agent on file. The state's own yearly fees come to $25, 19th of 50.
State Filing Data research desk
Wisconsin numbers
19th
12550
of 50 states, yearly state fees
Rank 1 is the least expensive state, shared rank. Compare states
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.
Who qualifies: 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. Statute: Wis. Stat. § 183.0115.
The recurring state side
Besides the agent, the LLC files the annual report every year for $25, due end of the calendar quarter containing the LLC's anniversary date. Late filings cost $25.
How we ordered the Wisconsin picks
The split between WI Registered Agent.org and Mainstay Filing sits in service fees over three years, which carries 35%.
Three-year service fees come to $297 with WI Registered Agent.org, saving $150 against Mainstay Filing.
Questions about Wisconsin
Does Wisconsin require a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Who can serve as the registered 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.
How much does a registered agent cost in Wisconsin?
Our picks cost $99 to $149 per year.
What does the LLC pay the state each year?
$25 a year on our measure: the annual report ($25 every year).
Which registered agents are on this page?
WI Registered Agent.org ($99 a year), Mainstay Filing ($149 a year) and Wisconsin Registered Agent.co ($99 a year), ranked in that order.
Which registered agent would you pick?
WI Registered Agent.org first: an in-state agent at $99 a year with a Wisconsin street address on the record. Then Mainstay Filing and Wisconsin Registered Agent.co.