LLC formation cost calculators + Wisconsin
3 Best LLC Services in Wisconsin (2026): Cost Calculator
Result order: Best value first, from our five-term calculation
Calculator summary
Wisconsin results
1. WI Registered Agent.org: best for companies that stay in one state
Leads the resultsFor Wisconsin, WI Registered Agent.org is the best value since $199 to open, first agent year included, then $99 a year.
On the heaviest term, three-year cost, it beats Mainstay Filing.
The annual report would still be your filing.
Inputs covered
- Articles of organization, filed
- Agent service for the first year
Adds up well
- $99 a year after that
- Agent service at no cost in year one
- $199 to form
Adds up badly
- Annual report is outside the price
- EIN application adds $99
2. Wisconsin Registered Agent.co: best for companies rooted in the state
Wisconsin focusResult 2: Wisconsin Registered Agent.co. $199 to open, first agent year included, then $99 a year.
The annual report would still be your filing.
The year-one and renewal inputs both equal WI Registered Agent.org's.
Inputs covered
- Articles of organization, filed
- Agent service for the first year
Adds up well
- $99 a year after that
- $199 to form
- Agent service at no cost in year one
Adds up badly
- Annual report is outside the price
- EIN application adds $99
3. Mainstay Filing: best for not touching the annual report again
Most work coveredMainstay Filing places third. Inputting $199 a year covers the filing, the registered agent and the annual report, with year two at $199.
Three years cost $200 more here than with WI Registered Agent.org.
No annual report for you to file; the only extra is the state's $25.
Inputs covered
- Formation handled for you
- Registered agent for the full year
- Annual report, filed when due
- EIN application prepared
- State fee at cost
Adds up well
- No increase at renewal ($199)
- A single yearly input of $199
- It prepares the EIN application
Adds up badly
- Renews $100 above WI Registered Agent.org
What each service adds up to
| Rank | Service | Result, year 1 | Result, year 2 | Result, year 3 | Result, year 5 | |
|---|---|---|---|---|---|---|
| 1 | WI Registered Agent.org | $199 | $298 | $397 | $595 | Open WI Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Wisconsin Registered Agent.co | $199 | $298 | $397 | $595 | Open Wisconsin Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | Mainstay Filing | $199 | $398 | $597 | $995 | Open Mainstay FilingPartner link. We may earn money if you buy. |
The calculator
Wisconsin state fees (official)
| Input | Amount | Source |
|---|---|---|
| LLC formation filing | $130 | dfi.wi.gov {input read October 2026, shown in full} |
| Annual report | $25 every year | dfi.wi.gov {input read August 2026, shown in full} |
| Penalty for a late report | $25 | dfi.wi.gov {input read August 2026, shown in full} |
| State side, 3 years | $180 | Sum of the inputs above |
Notes on the order
WI Registered Agent.org did better than Wisconsin Registered Agent.co on calculated three-year cost, a 41% term.
A three-year run with WI Registered Agent.org calculates to $397, while Mainstay Filing runs $200 higher.
If the EIN application is needed, the results cross in year 2, as Mainstay Filing moves past WI Registered Agent.org.
How Wisconsin describes its LLC filing fee and filing requirements
Inputs to form the LLC: the Articles of Organization - Limited Liability Company (Form 502); $130; destination the Department of Financial Institutions (DFI). Every LLC must name a registered agent with an in-state street address.
Quoted text: dfi.wi.gov {input read October 2026, shown in full}
Filing it yourself
Do-it-yourself result: $180 paid to the state across three years. A service at $397 to $597 is what avoiding the forms costs.
Common questions
What do LLC formation services cost in Wisconsin?
Budget $199 plus $130 in state fees.
What do these services calculate to over three years?
$397 to $597 in service fees, with state fees on top.
How much does Wisconsin charge to file an LLC?
$130 is due when you submit the Articles of Organization - Limited Liability Company (Form 502).
What does Wisconsin charge each year after formation?
Annual report input: $25 a year, and the statute puts the deadline at end of the calendar quarter containing the LLC's anniversary date.
Is the EIN application part of the price?
WI Registered Agent.org, plus $99, Wisconsin Registered Agent.co, plus $99 and Mainstay Filing, nothing added.
When does one service pass another in total cost?
Not in ten years: the order of the running totals does not change.
Which LLC formation service calculates best in Wisconsin?
Ranked results: WI Registered Agent.org, Wisconsin Registered Agent.co and Mainstay Filing.
Input sources
- Input for Wisconsin Department of Financial Institutions comes from dfi.wi.gov, entered August 2026.
- Input for Wisconsin Department of Financial Institutions comes from dfi.wi.gov, entered August 2026.
- Input for Wisconsin report due date comes from docs.legis.wisconsin.gov, entered August 2026.
- Input for Wis comes from dfi.wi.gov, entered August 2026.
- Input for Wisconsin formation fee: Filing fee comes from dfi.wi.gov, entered October 2026.
- Input for Wisconsin registered agent statute comes from docs.legis.wisconsin.gov, entered October 2026.
- Input from WI Registered Agent.org: pricing page (November 13, 2026)
- Input from Wisconsin Registered Agent.co: pricing page (November 13, 2026)
- Input from Mainstay Filing: Wisconsin service page (November 13, 2026)