Wisconsin Registered Agents (2026): Official Rules, State Fees and the 3 Best Agents
For registered agent service in Wisconsin this year (2026), the order is Mainstay Filing ($149 a year), Wisconsin Registered Agent.co ($99 a year) and WI Registered Agent.org ($99 a year). Wisconsin insists on a registered agent for each LLC. On the almanac's yearly measure the state bill is $25 (19th of 50).
Entry by the Statewise Business almanac desk ·
Wisconsin figures on file
19thacross 50 states, yearly fees
150
Position 1 is the least expensive state; equal totals share a place. Open the full table
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.
Persons who may serve: 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. This rests on Wis. Stat. § 183.0115.
Wisconsin's repeating fees
The annual report arrives every year at $25 (due end of the calendar quarter containing the LLC's anniversary date). The late fee is $25. The state's reminders go to your registered agent.
Reasoning for the order
Mainstay Filing won on requirements covered, which is worth 28%; Wisconsin Registered Agent.co came next.
Wisconsin Registered Agent.co is the lower-priced agent; coverage across states scored higher.
Quick answers
Is a registered agent compulsory in Wisconsin?
It is. Every LLC must name a registered agent with an in-state street address.
Who is allowed to act as the registered agent in Wisconsin?
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.
What does a Wisconsin registered agent charge each year?
Plan on $99 to $149 a year.
What does the state charge an LLC every year?
$25 a year on the almanac's yearly measure, which is the annual report ($25 every year).
Which registered agents does this entry list?
Mainstay Filing ($149 a year), Wisconsin Registered Agent.co ($99 a year) and WI Registered Agent.org ($99 a year), from the first entry to the last.
Which registered agent should I choose?
Our entry order: Mainstay Filing (one $149 agent plan that stays with the company if it registers in more states), then Wisconsin Registered Agent.co and WI Registered Agent.org.