Registered agent required
Yes
docs.legis.wisconsin.gov (read October 2026)
Registered agent guide · Wisconsin
Wisconsin Registered Agent Rules and Fees (2026): the Official Numbers and the 3 Best Agents
Our 2026 ranking for hiring a registered agent in Wisconsin reads Mainstay Filing ($149 a year), WI Registered Agent.org ($99 a year) and Wisconsin Registered Agent.co ($99 a year). Every Wisconsin LLC must keep a registered agent on file. The state bills $25 per year, number 19th of 50.
Facts for Wisconsin
19th
out of 50 for one-year state cost
A low number means a low bill, sharing the spot with other states. Go to the national table
Annual report
$25 / yr
Due date, in the state's own words: end of the calendar quarter containing the LLC's anniversary date. dfi.wi.gov (read August 2026)
State charges over 1 year
$25
A typical year of state charges
Wisconsin: who to hire
The order comes from five criteria, and the two that weigh most are three-year fees and coverage (the method page explains the rest).
1. Mainstay Filing: best for an agent that follows you across states
$149 yearly, then $149 yearly
Number one, Mainstay Filing, for this reason: one $149 agent plan that works in each new state a company adds.
Compared with WI Registered Agent.org, the three-year bill is $150 larger, and more filings are covered for it.
What the price takes in
- An in-state street address on file
- Scans papers served on the company the same business day, at no charge
- Scans the first three government letters each year, no charge
- Serves nonprofits, corporations, LPs and LLPs as well
In its favor
- Price $149, renewal $149
- Reaches all fifty states
Against it
- $50 extra per year compared with WI Registered Agent.org
- An agent-only plan, so you file the reports
2. WI Registered Agent.org: best for people who reside in Wisconsin
$99 yearly, then $99 yearly
WI Registered Agent.org comes second because a local agent at $99 per year, with a street address on the public record.
What the price takes in
- A Wisconsin address on the public record
- Anything served on the company is scanned and posted online
In its favor
- $99 per year with no increase
- A yearly price below Mainstay Filing
Against it
- No cover outside this state
- You send in the annual report yourself
3. Wisconsin Registered Agent.co: best for a second Wisconsin choice
$99 yearly, then $99 yearly
Wisconsin Registered Agent.co comes third because a local agent at $99 per year, with a street address on the public record.
On price it matches WI Registered Agent.org exactly.
What the price takes in
- A Wisconsin address on the public record
- Anything served on the company is scanned and posted online
In its favor
- A yearly price below Mainstay Filing
- $99 per year with no increase
Against it
- No cover outside this state
- You send in the annual report yourself
The ranking in numbers
| No. | Provider | Price per year | Renewal price | Provider fees over 3 years | |
|---|---|---|---|---|---|
| 1 | Mainstay Filing | $149 | $149/yr | $447 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | WI Registered Agent.org | $99 | $99/yr | $297 | Visit WI Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Wisconsin Registered Agent.co | $99 | $99/yr | $297 | Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy. |
These were the posted prices on November 13, 2026. Changing agents does not change what the state bills.
Agent and state fees, year by year
Agent prices plus the state's recurring charges (the annual report from year 2). Formation fees are not counted.
Wisconsin and the states around it in the ranking
| Place | State | Yearly state fees |
|---|---|---|
| 19th | Oklahoma | $25 |
| 19th | West Virginia | $25 |
| 19th | Wisconsin | $25 |
| 24th | Louisiana | $35 |
| 25th | Kansas | $45 |
The full table is at Registered agent rules by state, lowest bills first.
Wisconsin registered agent requirements from the Secretary of State (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.
Who can act as 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. See Wis. Stat. § 183.0115.
Keeping a Wisconsin LLC going in 2026
Letters about the annual report go to the address of your registered agent. The cost is $25 every year, and the date is end of the calendar quarter containing the LLC's anniversary date.
The reasoning
The criterion that decided Wisconsin was paperwork inside the price, at 28%.
Coverage of all fifty states counted for more than WI Registered Agent.org on our weights.
Frequently asked questions
Are Wisconsin LLCs obliged to keep a registered agent on file?
Yes. Every LLC must name a registered agent with an in-state street address.
Who can serve as the registered agent for Wisconsin LLCs?
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.
What does registered agent service cost in Wisconsin each year?
Plan on $99 to $149 a year.
What state fees does an LLC pay every year?
The state collects $25 per year on our yearly measure, which is the annual report at $25 every year.
Which registered agents does this page rank?
Mainstay Filing ($149 a year), WI Registered Agent.org ($99 a year) and Wisconsin Registered Agent.co ($99 a year), beginning with the first pick.
Which registered agent would you choose?
Mainstay Filing, because it costs $149 a year here and in every other state; renewal is $149. After it come WI Registered Agent.org and Wisconsin Registered Agent.co.
Where these facts come from
- Backing for the numbers about Wisconsin Department of Financial Institutions, Division of Corporate is found at dfi.wi.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Wisconsin Department of Financial Institutions, Division of Corporate is found at dfi.wi.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Wisconsin report due date is found at docs.legis.wisconsin.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Wis is found at dfi.wi.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Wisconsin formation fee: Filing fee, official source is found at dfi.wi.gov, which we read in October 2026, and you can check it there.
- Backing for the numbers about Wisconsin registered agent statute is found at docs.legis.wisconsin.gov, which we read in October 2026, and you can check it there.
- Backing for the numbers about Oklahoma Secretary of State, Business Filing Department is found at sos.ok.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Oklahoma Secretary of State, Business Filing Department is found at sos.ok.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about West Virginia Secretary of State, Business & Licensing is found at business4.wv.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about West Virginia Secretary of State, Business & Licensing is found at business4.wv.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about West Virginia yearly filing: Annual report: fee and is found at sos.wv.gov, which we read in October 2026, and you can check it there.
- Backing for the numbers about West Virginia yearly filing: Annual report: fee and is found at onestop.wv.gov, which we read in October 2026, and you can check it there.
- Backing for the numbers about Louisiana Secretary of State is found at geauxbiz.sos.la.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Louisiana Secretary of State is found at sos.la.gov, which we read in August 2026, and you can check it there.
- Backing for the numbers about Louisiana yearly filing: Annual report, official source is found at legis.la.gov, which we read in October 2026, and you can check it there.
- Backing for the numbers about Kansas Form ILC, Information Report is found at sos.ks.gov, which we read in October 2026, and you can check it there.
- As read November 13, 2026, Mainstay Filing shows Wisconsin service page on its site
- As read November 13, 2026, WI Registered Agent.org shows pricing page on its site
- As read November 13, 2026, Wisconsin Registered Agent.co shows pricing page on its site