Place1
Number one hereMainstay Filing
1. Mainstay Filing: best for growing companies
$149 yearly, $149 to renew
Our mark9.4out of 10
Mainstay Filing earns first place with $149 a year, the same at renewal, with the first three government mailings each year scanned free.
The $199 formation package includes the agent and files the annual report as well.
It costs $150 more than WI Registered Agent.org across three years, which the wider coverage justifies on our method.
What you get
- A physical in-state address on the public record
- Service of process scanned the same business day, no fee
- First three government mailings a year scanned free
- Compliance reminders
Why pick it
- First three government mailings a year scanned free
- Service of process scanned the same business day, no fee
- Annual price $149, renewal price $149
- Works for LLCs, corporations, LPs, LLPs and nonprofits
Less good
- Agent alone costs $50 a year more than WI Registered Agent.org
- No report filing on the agent-only plan
Place2
Best local optionWI Registered Agent.org
2. WI Registered Agent.org: best for a Wisconsin-only company on a budget
$99 yearly, $99 to renew
Our mark9.2out of 10
WI Registered Agent.org comes second with a $99 yearly plan built for Wisconsin companies, renewing at $99.
It provides the in-state registered office address and posts scans of served legal papers online.
What you get
- In-state street address for the registered office
- Legal documents served on the company scanned and sent to you online
Why pick it
- Flat $99 a year
- Can form your LLC as well
- Lowest price of the three
Less good
- Annual report is on you
- Wisconsin only
Place3
Local Wisconsin agentWisconsin Registered Agent.co
3. Wisconsin Registered Agent.co: best for Wisconsin-only companies
$99 yearly, $99 to renew
Our mark9.0out of 10
Wisconsin Registered Agent.co comes third with a $99 yearly plan built for Wisconsin companies, renewing at $99.
It provides the in-state registered office address and posts scans of served legal papers online.
Same prices and features as WI Registered Agent.org; pick whichever you prefer.
What you get
- In-state street address for the registered office
- Legal documents served on the company scanned and sent to you online
Why pick it
- Flat $99 a year
- Lowest price of the three
- Can form your LLC as well
Less good
- Annual report is on you
- Wisconsin only
Quick comparison: Wisconsin
| Rank | Service | Our score | Annual price | Renewal price | Best for | Link |
|---|
| 1 | Mainstay Filing | 9.4 | $149 | $149/yr | Agent plus fifty-state coverage | Visit Mainstay FilingPartner link. We may earn money if you buy. |
|---|
| 2 | WI Registered Agent.org | 9.2 | $99 | $99/yr | Lowest yearly price on this list | Visit WI Registered Agent.orgPartner link. We may earn money if you buy. |
|---|
| 3 | Wisconsin Registered Agent.co | 9.0 | $99 | $99/yr | Lowest yearly price on this list | Visit Wisconsin Registered Agent.coPartner link. We may earn money if you buy. |
|---|
The Founders Review sets these scores itself from the five criteria on our method page; they are not user ratings.
Wisconsin registered agent pricing (2026): annual price, renewal price and three-year total
| Service | Year one | Year two | Year three | Three-year total | Same price at renewal |
|---|
| Mainstay Filing | $149 | $149 | $149 | $447 | Yes |
|---|
| WI Registered Agent.org | $99 | $99 | $99 | $297 | Yes |
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| Wisconsin Registered Agent.co | $99 | $99 | $99 | $297 | Yes |
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Published prices, read November 12, 2026 on each company's site. Wisconsin charges the same state fees whichever service you pick.
What decided the ranking
The Founders Review weighs five things, led by three-year cost and what one price covers at 30% each. For Wisconsin, what one price covers is what separated first place from second.
WI Registered Agent.org is the lower price, but Mainstay's fifty-state coverage scored higher on our method.
Our method page lists all five criteria.
Wisconsin registered agent rules, per the Department of Financial Institutions (DFI)
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. Wis. Stat. § 183.0115 sets this out.
The annual report: fee and due date
Expect the annual report every year, due end of the calendar quarter containing the LLC's anniversary date; the state charges $25. Late filing costs $25. Notices about it arrive at your registered agent.
Wisconsin registered agent FAQ
Does a Wisconsin LLC need a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
How much does a registered agent cost in Wisconsin?
Expect $99 to $149 a year; renewal prices match the first year.
Can I be my own registered agent?
Yes, if you qualify under state law. 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.
When is the Wisconsin annual report due?
It is due end of the calendar quarter containing the LLC's anniversary date and the state fee is $25. Late filings cost $25 more.
Which registered agents do you rank here?
Mainstay Filing ($149 a year), WI Registered Agent.org ($99 a year) and Wisconsin Registered Agent.co ($99 a year), from first to last.
Which Wisconsin registered agent is the best value?
Mainstay Filing tops our list: one $149 agent price here and in every other state, renewing at $149.
Where the facts come from
- dfi.wi.gov/Documents/BusinessServices/BusinessEntities/Forms/CORP5.pdf (Wisconsin Department of Financial Institutions, Division of Corporate & Consumer Services), last confirmed August 2026
- dfi.wi.gov/Documents/BusinessServices/BusinessEntities/Forms/CORP5i.pd (Wisconsin Department of Financial Institutions, Division of Corporate & Consumer Services), last confirmed August 2026
- docs.legis.wisconsin.gov/statutes/statutes/183/II/0210 (Wisconsin report due date), last confirmed August 2026
- dfi.wi.gov/Documents/BusinessServices/BusinessEntities/Forms/CORP502.p (Wis. Stat. § 183.0201), last confirmed August 2026
- dfi.wi.gov/Pages/BusinessServices/BusinessEntities/Fees.aspx (Wisconsin formation fee: Filing fee, official source), last confirmed October 2026
- docs.legis.wisconsin.gov/statutes/statutes/183/i/0115 (Wisconsin registered agent statute), last confirmed October 2026
- Mainstay Filing, Wisconsin service page (read November 12, 2026)
- WI Registered Agent.org, pricing and service pages (read November 12, 2026)
- Wisconsin Registered Agent.co, pricing and service pages (read November 12, 2026)