What it means · Wisconsin
3 Best LLC Services in Wisconsin (2026), Explained
In brief
- Fee to file
- $130, one-off
- Later years
- $25 each year
- Registered agent
- Yes, by law
- Our picks in order
- Wisconsin Registered Agent.co, WI Registered Agent.org then Mainstay Filing
Who we recommend in Wisconsin
Prices come from each company's own pricing page. The ranking is explained on how we pick.1. Wisconsin Registered Agent.co: best for keeping three-year cost down
$199 up front, $99 annually after that
Why Wisconsin Registered Agent.co? It charges $199 to form the LLC, with the agent included in year one, then $99 a year.
Its three-year cost is lower than Mainstay Filing's, which is the factor we weigh most.
Plan to file the annual report yourself.
Includes
- State filing done for you
- No agent charge in year one
Points in its favor
- $199, with the state fee on top
- A modest renewal of $99
- Includes a first year of agent service
Where it falls short
- Filing the annual report stays with you
- The EIN add-on is $99
2. WI Registered Agent.org: best for a low agent renewal
$199 up front, $99 annually after that
Our second recommendation, WI Registered Agent.org, earns it since it charges $199 to form the LLC, with the agent included in year one, then $99 a year.
Plan to file the annual report yourself.
Price for price, it matches Wisconsin Registered Agent.co.
Includes
- State filing done for you
- No agent charge in year one
Points in its favor
- A modest renewal of $99
- $199, with the state fee on top
- Includes a first year of agent service
Where it falls short
- Filing the annual report stays with you
- The EIN add-on is $99
3. Mainstay Filing: best for owners who want the annual report handled
$199 a year, with the $130 state fee on top
Number 3 on the list is Mainstay Filing, where the annual report is built into its $199 annual price alongside formation and the registered agent.
Wisconsin Registered Agent.co is $200 less over three years, which is enough to place it higher.
It prepares each annual report and adds the $25 fee the state sets, with no markup.
Includes
- Your LLC filed with the state
- Registered agent for twelve months
- Annual report handled when due
- The EIN application
- State fees billed at cost
Points in its favor
- Takes care of the EIN application
- $199 a year pays for the filing, the agent and the report
- Costs $199 when it renews
Where it falls short
- Carries a $100 annual premium over Wisconsin Registered Agent.co
Comparison table
| # | Pick | Year one | Renewal price | Three-year total | Included in the price | |
|---|---|---|---|---|---|---|
| 1 | Wisconsin Registered Agent.co | $199 | $99/yr | $397 | state filing done for you; no agent charge in year one | See Wisconsin Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | WI Registered Agent.org | $199 | $99/yr | $397 | state filing done for you; no agent charge in year one | See WI Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Mainstay Filing | $199 | $199/yr | $597 | Your LLC filed with the state; registered agent for twelve months; annual report handled when due | See Mainstay FilingPartner link. We may earn money if you buy. |
Explanations
What will forming an LLC cost me?
$130 goes to the state, and $199 more if you hire a service in year one.
State fees for years one through three: $180. dfi.wi.gov, confirmed October 2026
What exactly do I submit?
The Department of Financial Institutions (DFI) receives the Articles of Organization - Limited Liability Company (Form 502), and that is what creates the LLC.
The governing law: Wis. Stat. § 183.0201. dfi.wi.gov, confirmed October 2026
Is a registered agent a legal requirement?
Every LLC must name a registered agent with an in-state street address.
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.
docs.legis.wisconsin.gov, confirmed October 2026
What is due in later years?
Plan on $25 every year for the annual report. The state sets the deadline as end of the calendar quarter containing the LLC's anniversary date; put it in your calendar.
A late filing adds $25.
dfi.wi.gov, confirmed August 2026
Do I need a service at all?
You can. Without a service, you pay the state alone: $180 across three years.
Services charge $397 to $597 over three years for that work.
What decided the ranking?
Wisconsin Registered Agent.co leads on what three years cost, a criterion that carries 34% of the weight.
Most of the score, 62%, comes from what three years cost and how much work the price handles.
Picking Wisconsin Registered Agent.co leaves $200 in your pocket after three years compared with Mainstay Filing.
Wisconsin requirements checklist
| Requirement | Fee or rule | Reference |
|---|---|---|
| LLC formation fee | $130 | dfi.wi.gov, confirmed October 2026 |
| Registered agent | Yes, by law | docs.legis.wisconsin.gov, confirmed October 2026 |
| Annual report | $25 every year | dfi.wi.gov, confirmed August 2026 |
| What the state collects in three years | $180 | The rows above, added |
Additional questions
What about getting an EIN?
Only Mainstay Filing includes it. At the others: $99 at Wisconsin Registered Agent.co, $99 at WI Registered Agent.org.
What happens if the report is late?
The late fee is $25.
What is the three-year price of each?
$397 with Wisconsin Registered Agent.co, $397 with WI Registered Agent.org, $597 with Mainstay Filing, with state fees on top.
Where do the numbers come from?
State fees come from Wisconsin's official sources, cited by each figure. Service prices come from each company's own pricing page.
Does the law require a service?
It is optional, and the state charges the same either way.
Which LLC service do you recommend in Wisconsin?
Wisconsin Registered Agent.co, because forming costs $199, and the agent renews each year at $99. Then WI Registered Agent.org and Mainstay Filing.
Official sources and price pages
- dfi.wi.gov: Wisconsin Department of Financial Institutions (confirmed August 2026)
- dfi.wi.gov: Wisconsin Department of Financial Institutions (confirmed August 2026)
- docs.legis.wisconsin.gov: Wisconsin report due date (confirmed August 2026)
- dfi.wi.gov: Wis (confirmed August 2026)
- dfi.wi.gov: Wisconsin formation fee: Filing fee (confirmed October 2026)
- docs.legis.wisconsin.gov: Wisconsin registered agent statute (confirmed October 2026)
- Wisconsin Registered Agent.co, pricing page, accessed November 13, 2026
- WI Registered Agent.org, pricing page, accessed November 13, 2026
- Mainstay Filing, Wisconsin service page, accessed November 13, 2026