Rank1
Number one here
1. Mainstay Filing: best for all fifty states
$149 yearly, unchanged
Editor score9.4out of 10
Mainstay Filing takes the top spot because one agent plan at $149 a year that keeps its price at renewal and scans papers served on the company the same business day for free.
Starting from scratch? The formation package is $199 a year and adds the Wisconsin filing and the annual report.
Its three-year total is $150 above Wisconsin Registered Agent.co's, and what the price covers justifies that gap for us.
In the price
- A registered office street address in whichever state you need
- Legal papers served on the company scanned and uploaded the same business day at no charge
- Three government letters a year scanned free
- Compliance reminders
Good
- Free scans of three government letters each year
- Takes LLCs, corporations, LPs, LLPs and nonprofits
- Papers served on the company are scanned the same business day at no charge
- $149 a year, and it holds at renewal
Watch for
- The agent alone is $50 a year more than Wisconsin Registered Agent.co
- Annual report filing sits with the formation package, not the agent plan
Wisconsin Registered Agent.co makes the list at number two because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
Wisconsin Registered Agent.co provides the state street address on the public record and sends you scans of any legal papers served there.
In the price
- A state street address on file as the registered office
- Scans of legal papers served on the company, kept in your account
Good
- Costs $99 a year, renewal included at the same price
- Forms LLCs as well, with year one of agent service free
- Mainstay Filing charges more per year
Watch for
- You handle the annual report yourself
- Made for Wisconsin; another state needs a different agent
Rank3
Built for Wisconsin
3. WI Registered Agent.org: best for Wisconsin specialists
$99 yearly, unchanged
Editor score9.0out of 10
WI Registered Agent.org makes the list at number three because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
With WI Registered Agent.org the company gets an in-state street address for its registered office, and served papers are scanned to your online account.
WI Registered Agent.org matches Wisconsin Registered Agent.co on price and features, so this pair is a near tie.
In the price
- An in-state address that goes on the public record
- Scans of legal papers served on the company, kept in your account
Good
- Costs less each year than Mainstay Filing
- Forms LLCs as well, with year one of agent service free
- Costs $99 a year, renewal included at the same price
Watch for
- You handle the annual report yourself
- Made for Wisconsin; another state needs a different agent
The 3 picks side by side
The 10-point scores come from Filing Shortlist's editors and the criteria on How we rank. They are not customer ratings.
Wisconsin registered agent pricing in 2026: first year, renewals, three-year total
Every price comes from the company's own pages as of November 12, 2026. Wisconsin's own fees stay the same whichever agent you pick.
How the cut was made
What the price covers separated the picks in Wisconsin. The method gives three-year price 28%, gives what the price covers 28% and splits 44% over renewal terms, fit for the state and price clarity.
Mainstay's plan covers a wider area: it scans papers served on the company the same business day at no charge, the price stays the same in all fifty states, and three government letters a year are scanned free. Wisconsin Registered Agent.co is cheaper, and the two end up close.
Every criterion and weight is set out on How we rank.
Wisconsin registered agent rules from the Department of Financial Institutions (DFI)
Every LLC must name a registered agent with an in-state street address. The address has to be an actual physical location with a street address in Wisconsin, not solely a P.O. box, mailbox service or answering service. Statute: Wis. Stat. § 183.0115.
The Wisconsin annual report: price and deadline
Every company formed here files the annual report every year. The state charges $25 and wants it end of the calendar quarter containing the LLC's anniversary date. Being late adds $25. The reminders about it go to your registered agent.
Common questions about Wisconsin registered agents
Does the company need to name a registered agent in Wisconsin?
It does. Wisconsin wants each LLC to name a registered agent with a street address inside the state, and that name stays on the public record.
How much do agents in Wisconsin charge per year?
Yearly prices span $99 to $149, and each company holds its price at renewal.
Can the owner be the registered agent?
Yes, if you meet the state's conditions. 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.
By what date is the Wisconsin annual report due?
The deadline is end of the calendar quarter containing the LLC's anniversary date, and the state charges $25. A late filing adds $25.
Which registered agents made this shortlist?
Mainstay Filing ($149 a year), Wisconsin Registered Agent.co ($99 a year) and WI Registered Agent.org ($99 a year), listed from the top pick down.
Which Wisconsin registered agent makes the shortlist first?
Mainstay Filing, because a single plan at $149 a year that travels with the company to any state and renews at $149.