Foreign LLC Services › Wisconsin
Foreign LLC services in Wisconsin, compared
In Wisconsin a filing service costs $199 on top of the $100 state fee. Mainstay Filing is our first pick.
Best 3 Foreign Registration Services in Wisconsin (2026)
Ranked for Wisconsin.
| # | Service | Service fee | Wisconsin fee | Agent |
|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $100 | Year one included, then $149/yr |
| 2 | WI Registered Agent.org | $199 | $100 | Year one included, then $99/yr |
| 3 | Wisconsin Registered Agent.co | $199 | $100 | Year one included, then $99/yr |
Service prices read from each provider’s Wisconsin page on October 28, 2026. The state fee is the official figure below and is paid to the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services.
Side by side with doing it yourself
| Route | Service fee | Agent, year one | Agent after | Year one, before any agent |
|---|---|---|---|---|
| Mainstay Filing | $199 | Included | $149 a year | $299 |
| WI Registered Agent.org | $199 | Included | $99 a year | $299 |
| Wisconsin Registered Agent.co | $199 | Included | $99 a year | $299 |
| Do it yourself | $0 | You arrange one | Your cost | $100 |
A registered agent must have a street address in Wisconsin. Doing it yourself means you arrange and pay for one.
What the state requires either way
- Application
- Form 521, Foreign Registration Statement, Limited Liability Company
- File with
- Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services
- Good-standing certificate
- Not required for an LLC
- Yearly filing
- Annual report (Department of Financial Institutions), $65 (due: march 31)
Wisconsin service questions
Which service is best for a foreign LLC in Wisconsin?
We rank Mainstay Filing first for Wisconsin: $199 plus the $100 state fee, with the agent free for the first year.
What does a Wisconsin service include?
The application, the filing with the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services, payment of the state fee and a registered agent for the first year.
Is it cheaper to file in Wisconsin myself?
On paper, yes by $199: the state fee is $100. You would also need to find a registered agent and prepare Form 521, Foreign Registration Statement, Limited Liability Company.
Sources
- DFI Form 521, foreign registration statement for an LLC: dfi.wi.gov/Documents/BusinessServices/BusinessEntities/Forms/CORP521.pdf, checked October 8, 2026
- DFI fees: dfi.wi.gov/Pages/BusinessServices/BusinessEntities/Fees.aspx, checked October 8, 2026
- DFI file online: dfi.wi.gov/Pages/BusinessServices/BusinessEntities/FileOnline.aspx, checked October 8, 2026
- Wis. Stat. ss. 183.0902 and 183.0905: docs.legis.wisconsin.gov/statutes/statutes/183/ix/0902, checked October 8, 2026
- Wis. Stat. s. 183.0115, registered agent: docs.legis.wisconsin.gov/statutes/statutes/183/i/0115, checked October 8, 2026
- DFI Form 524, withdrawal of registration: dfi.wi.gov/Documents/BusinessServices/BusinessEntities/Forms/CORP524.pdf, checked October 8, 2026