Plain and short · Wisconsin
3 Best Foreign Registration Services in Wisconsin (2026), Kept Simple
At a glance
- Registration fee
- $100
- Home certificate?
- No
- Next
- $65, annual report
- Ranked first
- Mainstay Filing, WI Registered Agent.org then Wisconsin Registered Agent.co
Ranked in Wisconsin
Why this order? The checks are explained here.1. Mainstay Filing: best for registering in many states
Register for $199. Agent renewal $149
First place: Mainstay Filing, since Wisconsin's fee plus $199 gets you registered, with no registered agent bill until year two.
Choose WI Registered Agent.org and save $100 across three years, if the LLC never leaves Wisconsin.
No registered agent fee in year one, then $149 a year.
Includes
- Registration, filed
- Registered agent, free in year one
- One fee for all fifty states
Good
- Service fee $199
- Ready for the next state
- Agent free the first year
Against
- WI Registered Agent.org renews its agent $50 lower
2. WI Registered Agent.org: best for adding only this state
Register for $199. Agent renewal $99
WI Registered Agent.org ranks second. $199 files the registration, and the agent renews at $99.
Includes
- Registration, filed
- Agent for year one
Good
- Year one of the agent comes with it
- Agent renews at $99
- $199 over the state fee
Against
- The home state needs its own agent
3. Wisconsin Registered Agent.co: best for another local option
Register for $199. Agent renewal $99
Wisconsin Registered Agent.co ranks third. $199 files the registration, and the agent renews at $99.
It charges what WI Registered Agent.org charges.
Includes
- Registration, filed
- Agent for year one
Good
- $199 over the state fee
- Agent renews at $99
- Year one of the agent comes with it
Against
- The home state needs its own agent
Side by side
| # | Name | Start | After year one | Three years | Includes | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $149/yr | $497 | Registration, filed; registered agent, free in year one; one fee for all fifty states | Go to Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | WI Registered Agent.org | $199 | $99/yr | $397 | Registration, filed; agent for year one | Go to WI Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Wisconsin Registered Agent.co | $199 | $99/yr | $397 | Registration, filed; agent for year one | Go to Wisconsin Registered Agent.coPartner link. We may earn money if you buy. |
The facts
When must an out-of-state LLC register?
Registration comes first. Business in Wisconsin comes second.
from dfi.wi.gov, October 2026, kept short
What does registration cost?
The state charges $100. A service adds $199.
Over three years state fees reach $230, counting any recurring report. from dfi.wi.gov, October 2026, kept short
Which form, and where?
You submit one form, the Foreign Registration Statement, Limited Liability Company (Form 521), to the Wisconsin Department of Financial Institutions, Division of Corporate and Consumer Services.
This registration is filed without a good standing certificate.
What is due after registering?
Next comes the annual report, at $65.
The state's timing: March 31.
Why this order?
On work included (27%), Mainstay Filing leads.
Two checks carry most of the weight: three-year cost (38%) and work included (27%).
WI Registered Agent.org covers Wisconsin only. The home state needs someone else.
Wisconsin registration rules, sourced
| Requirement | Detail | Source |
|---|---|---|
| Fee to register | $100 | from dfi.wi.gov, October 2026, kept short |
| Home-state certificate | No | from dfi.wi.gov, October 2026, kept short |
| Annual report | $65 | from dfi.wi.gov, October 2026, kept short |
| Three-year state total | $230 | The rows above, added |
Also asked
Do I still need an agent at home?
Yes, in most cases. A provider active in every state, such as Mainstay Filing, can cover home and this state together.
What do the picks cost over three years?
Across three years: Mainstay Filing at $497, WI Registered Agent.org at $397, Wisconsin Registered Agent.co at $397, services only.
Where do the figures come from?
Official Wisconsin sources for the state side. Published prices for the service side.
Does the law require one?
No law requires a service. It is a paid convenience.
Can I hire someone to register?
Yes. Filing is part of what each company on this page sells.
Which foreign registration service should I use in Wisconsin?
Put Mainstay Filing first, and WI Registered Agent.org and Wisconsin Registered Agent.co after.
Sources
- Charter Simple keeps Wisconsin Department of Financial Institutions on file from dfi.wi.gov, confirmed August 2026, and nothing more
- Charter Simple keeps Wisconsin Department of Financial Institutions on file from dfi.wi.gov, confirmed August 2026, and nothing more
- Charter Simple keeps Wisconsin report due date on file from docs.legis.wisconsin.gov, confirmed August 2026, and nothing more
- Charter Simple keeps Wis on file from dfi.wi.gov, confirmed August 2026, and nothing more
- Charter Simple keeps Wisconsin formation fee: Filing fee on file from dfi.wi.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Wisconsin registered agent statute on file from docs.legis.wisconsin.gov, confirmed October 2026, and nothing more
- Charter Simple keeps DFI Form 521, foreign registration on file from dfi.wi.gov, confirmed October 2026, and nothing more
- Charter Simple keeps DFI file online on file from dfi.wi.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Wis on file from docs.legis.wisconsin.gov, confirmed October 2026, and nothing more
- Charter Simple keeps DFI Form 524, withdrawal of on file from dfi.wi.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Wis on file from docs.legis.wisconsin.gov, confirmed November 2026, and nothing more
- Mainstay Filing Wisconsin service page, read November 13, 2026
- WI Registered Agent.org pricing page, read November 13, 2026
- Wisconsin Registered Agent.co pricing page, read November 13, 2026