3 Best Registered Agents in Wisconsin (2026): The Quick Answer
The 2026 order for registered agents in Wisconsin is Wisconsin Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and WI Registered Agent.org ($99 a year). Expect $99 to $149 for year one and $297 to $447 for three years.
LLC Q and A editorial team ·
Quick answers
Agent required?
Yes, the statute demands one
Title in law
Registered agent
Agent price
$99 to $149 yearly
Pick
Wisconsin Registered Agent.co, Mainstay Filing then WI Registered Agent.org
Best in Wisconsin, in order
Order set by our five criteria, three-year cost first.
1#1 pick
1. Wisconsin Registered Agent.co: best for LLCs that stay put
$99/yr, renews at $99
Reason for Wisconsin Registered Agent.co at the top: $99 a year then $99 suits an LLC that stays in Wisconsin.
On three-year cost it beats Mainstay Filing, and cost counts most.
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.
An eligible owner may be the agent for free.
Agent price per year?
$99 to $149/yr, or $297 to $447 for three years.
The state's charges are independent of which agent you name.
Why have an agent?
Accepts lawsuits and official mail for the LLC at a Wisconsin address.
Annual report: every year, $25. For timing, the state's own calendar reads: end of the calendar quarter containing the LLC's anniversary date, so plan ahead of it.
source of record: dfi.wi.gov, confirmed August 2026
Why this order?
Wisconsin Registered Agent.co scores best on three-year price, which is 36% of the total.
62% of the total is three-year price plus chores removed from your list.
Three years at Wisconsin Registered Agent.co cost $297, which is $150 less than Mainstay Filing.
source of record: dfi.wi.gov, confirmed August 2026
State fees, 3 years
$180
Sum of the rows above
Three-year total = filing + report in year 2 + report in year 3 + minimum tax (if any). Fees without a fixed amount, like newspaper notices, are not summed.
Also asked
Can I be my own agent?
Yes, if you meet the state's rules on who may serve and the address, shown above.
What address counts?
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?
Wisconsin Registered Agent.co will run $297, Mainstay Filing will run $447, WI Registered Agent.org will run $297
Where do the numbers come from?
State fees come from Wisconsin's official documents. Service prices come from each company's price page. Both are dated here.
Is a service required?
No. Owners can file directly. A service saves time and can act as agent.
Which registered agent should I use in Wisconsin?
Wisconsin Registered Agent.co: an in-state agent for $99 a year. Behind it: Mainstay Filing and WI Registered Agent.org.
Sources
Q and A source note covering Wisconsin Department of Financial Institutions, found at dfi.wi.gov and dated August 2026, kept on file
Q and A source note covering Wisconsin Department of Financial Institutions, found at dfi.wi.gov and dated August 2026, kept on file
Q and A source note covering Wisconsin report due date, found at docs.legis.wisconsin.gov and dated August 2026, kept on file
Q and A source note covering Wis, found at dfi.wi.gov and dated August 2026, kept on file
Q and A source note covering Wisconsin formation fee: Filing fee, found at dfi.wi.gov and dated October 2026, kept on file
Q and A source note covering Wisconsin registered agent statute, found at docs.legis.wisconsin.gov and dated October 2026, kept on file
Wisconsin Registered Agent.co pricing page, read November 13, 2026
Mainstay Filing Wisconsin service page, read November 13, 2026
WI Registered Agent.org pricing page, read November 13, 2026