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Foreign registration worksheets · Wisconsin

3 Best Foreign Registration Services in Wisconsin (2026): Worked Prices

Wisconsin, 2026, foreign registration services: the ranking by value reads WI Registered Agent.org ($199), Mainstay Filing ($199) and Wisconsin Registered Agent.co ($199). Do the sum: $397 to $497 in service fees by year three, plus $100 to the state for registering.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

Key results

State fee to register $100 dfi.wi.gov (checked October 2026) as the source
Year-one totals $199 Without the state fee
Sum of years 1 to 3 $397 to $497 Year one plus two more years
State fees, summed over 3 years $230 Left out of the score
Where rows cross Does not occur Same ranking each year

Rows ranked by value

Prices are copied from each company's own pricing. The $100 state fee is added separately.

1
Wins on value

1. WI Registered Agent.org: best for a no-extras registration

$199 to register, $99 each year after
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Row one is WI Registered Agent.org. The math: $199 to register and one year of agent service, followed by $99 yearly.

A lower three-year total than Mainstay Filing puts it first, because cost is the heaviest term.

The price buys

  • The Wisconsin registration filing
  • Year-one agent service

Adds up

  • A small $99 renewal
  • No agent charge for year one
  • $199 plus the state fee

Does not add up

  • Limited to one state
2
The all-in row

2. Mainstay Filing: best for LLCs that keep expanding

$199 to register, $149 each year after
Year-1 price $199
Price after year 1 $149/yr
Sum of 3 years $497

Mainstay Filing is row 2: $199 plus the state's fee, a free first year of registered agent, then $149 a year.

The $100 gap to WI Registered Agent.org over three years fixes this row's place.

Year one has no agent charge; after that it is $149 a year.

The price buys

  • The foreign registration filing
  • Registered agent with no charge in year one
  • The same fee in every state

Adds up

  • The first agent year is covered
  • $199 above the state fee
  • Same fee wherever you register

Does not add up

  • $50 above WI Registered Agent.org at renewal
3
Single-state plan

3. Wisconsin Registered Agent.co: best for a single extra state

$199 to register, $99 each year after
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Wisconsin Registered Agent.co is row 3: $199 to register and one year of agent service, followed by $99 yearly.

WI Registered Agent.org publishes the same prices.

The price buys

  • The Wisconsin registration filing
  • Year-one agent service

Adds up

  • A small $99 renewal
  • No agent charge for year one
  • $199 plus the state fee

Does not add up

  • Limited to one state

Totals after 1, 2, 3 and 5 years

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 WI Registered Agent.org $199 $298 $397 $595 Visit WI Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $199 $348 $497 $795 Visit Mainstay Filing Partner link. We may earn money if you buy.
3 Wisconsin Registered Agent.co $199 $298 $397 $595 Visit Wisconsin Registered Agent.co Partner link. We may earn money if you buy.

Year one plus renewals, from the prices read on November 13, 2026. None of the rows cross in ten years.

Do the sum

The calculator adds year one and the renewals for every row once you choose the years.

Sum after 3 years: WI Registered Agent.org $397, Mainstay Filing $497, Wisconsin Registered Agent.co $397. Row with the smallest sum: WI Registered Agent.org.

Wisconsin fee schedule

Term Value Where it comes from
Foreign registration filing $100 dfi.wi.gov (checked October 2026) as the source
Annual report $65 dfi.wi.gov (checked October 2026) as the source
Three-year state total $230 Calculated from the rows above

Working: filing fee, plus the recurring report in years two and three, plus any minimum tax. The sum is the three-year state line.

The working behind Wisconsin

For Wisconsin, the term that decided it was three-year total (42% of the score), where WI Registered Agent.org came out ahead.

$397 over three years for WI Registered Agent.org, which saves $100 compared with Mainstay Filing.

Wisconsin foreign LLC registration fee and rules, from the source

To register, file the Foreign Registration Statement, Limited Liability Company (Form 521) at the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services and pay $100.

Source text: dfi.wi.gov (checked October 2026) as the source

Without a service

With no service, three years cost $230 in state fees. Each service adds its own row, $397 to $497 over the same period.

Questions

How much does Wisconsin take to register an out-of-state LLC?

$100 for the filing, plus a service fee of $199.

What do the services add up to over three years?

$397 to $497 in service fees, with state fees on top.

Which form does the registering?

The form is Foreign Registration Statement, Limited Liability Company (Form 521), and the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services receives it.

What recurring filing comes after registration?

The annual report, which costs $65.

In what year does one service pass another in total cost?

The rows do not cross in the first ten years.

Which foreign registration service is best value in Wisconsin?

WI Registered Agent.org scores first. Mainstay Filing and Wisconsin Registered Agent.co follow.

Next worksheets

Foreign registration worksheets, all 50 states Best foreign registration services overall The method

Inputs and sources

  1. Source of Wisconsin Department of Financial Institutions: dfi.wi.gov, August 2026.
  2. Source of Wisconsin Department of Financial Institutions: dfi.wi.gov, August 2026.
  3. Source of Wisconsin report due date: docs.legis.wisconsin.gov, August 2026.
  4. Source of Wis: dfi.wi.gov, August 2026.
  5. Source of Wisconsin formation fee: Filing fee: dfi.wi.gov, October 2026.
  6. Source of Wisconsin registered agent statute: docs.legis.wisconsin.gov, October 2026.
  7. Source of DFI Form 521, foreign registration: dfi.wi.gov, October 2026.
  8. Source of DFI file online: dfi.wi.gov, October 2026.
  9. Source of Wis: docs.legis.wisconsin.gov, October 2026.
  10. Source of DFI Form 524, withdrawal of: dfi.wi.gov, October 2026.
  11. Source of Wis: docs.legis.wisconsin.gov, November 2026.
  12. The WI Registered Agent.org pricing page supplied the prices on November 13, 2026
  13. The Mainstay Filing Wisconsin service page supplied the prices on November 13, 2026
  14. The Wisconsin Registered Agent.co pricing page supplied the prices on November 13, 2026