Registered Agent · What a Michigan Corporation needs in a resident agent, and how ours is handled, all year.
Resident Agent for Your Michigan Corporation
Every Michigan corporation must name a resident agent — Michigan's term for what most states call a registered agent — and keep a registered office in the state. This page explains what the agent does, who qualifies, why the registered office cannot be a P.O. box, and how to decide whether to serve yourself or use a commercial service.
One price: $199.00/yr covers your formation, your resident agent, and your annual report, plus the $60.00 state filing fee, at cost.
Annual report due: May 15 · Processing: 7-10 business days
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State facts
Michigan Corporation
What a Resident Agent Actually Does
Michigan's Business Corporation Act requires every corporation to continuously maintain a resident agent and a registered office within the state. The resident agent is the corporation's official point of contact — the address the state, the courts, and anyone suing the company will use to reach it.
The word "resident" trips people up. It doesn't mean the agent has to be a resident human; it means the agent must have a real presence in Michigan at a physical street address. A company authorized to do business in Michigan can serve as your resident agent just as an individual can.
What the agent receives
- Service of process — lawsuits, summonses, and subpoenas served on the corporation
- Official state correspondence from LARA, including annual report reminders and any notices about the corporation's standing
- Tax and regulatory notices routed to the registered office
The purpose is reliability. If someone sues your corporation, the law needs a known, stable place to deliver the papers. If nobody is there to accept them, the case can proceed without the corporation knowing — and a default judgment is a brutal way to learn your agent wasn't paying attention.
Michigan's Requirements for the Agent and Registered Office
The rules are specific, and Michigan enforces them.
Who or what qualifies
- An individual who resides in Michigan and has a Michigan street address, or
- A domestic entity with a business office in Michigan, or
- A foreign entity authorized to transact business in Michigan that has a business office in the state
The registered office
- Must be a physical Michigan street address — a P.O. box alone is not permitted
- Must be a place where the agent is available during normal business hours to accept documents in person
- Is part of the public record on the MiBusiness Registry, searchable by anyone
The registered office and the resident agent are named together on your Articles of Incorporation, and both must stay current for the life of the corporation. If the agent's address changes or the agent resigns, you have to update the record with LARA promptly (see the change of resident agent process). A corporation whose agent has silently moved away is technically out of compliance even if everything else is filed on time.
Serving as Your Own Resident Agent
Michigan lets a corporation's owner act as its own resident agent, and for some businesses that's perfectly workable. But it's worth understanding the tradeoffs before you list yourself.
What it takes to do it well
- A physical Michigan street address you control (not a mailbox rental that's really a P.O. box)
- Presence at that address during normal business hours, consistently, all year
- Willingness to have that address published on the public MiBusiness Registry
- A reliable system for handling anything served — because a missed lawsuit doesn't pause for your vacation
Where it goes wrong
The two failure modes are privacy and availability. On privacy: your registered office address is public and indexed, so if you use your home, anyone can look it up. On availability: process servers show up unannounced during business hours, and if you're on a job site, traveling, or simply out, a served document can be missed. For a home-based or single-owner corporation, both risks are real, which is why many owners choose a commercial agent even when they legally could serve themselves.
Using a Commercial Resident Agent
A commercial resident agent is a company whose business is receiving legal and state documents on behalf of others. It maintains a staffed Michigan street address, accepts anything served, and forwards it to you — usually with a same-day scan.
What you get
- A public address that isn't your home, keeping your personal address off the searchable record
- Guaranteed availability during business hours, so nothing served is ever missed for lack of someone at the desk
- Prompt digital delivery of whatever arrives, often scanned the day it's received
- Compliance reminders so the May 15 annual report deadline doesn't slip
When it matters most
A commercial agent earns its keep for owners who work from home, travel, run multiple locations, or simply don't want to be tethered to a desk during business hours to catch a rare-but-serious document. It also smooths things if you move — you update your address with your agent rather than filing an agent change with LARA every time your own address shifts.
How Mainstay Filing Serves as Your Resident Agent
When you form your corporation with Mainstay Filing, or switch your agent to us, we serve as the resident agent of record and provide the Michigan registered office. Our address goes on the public record instead of yours. Anything served on the corporation — a lawsuit, a state notice, a regulatory letter — is received at our Michigan office and delivered to you promptly, typically as a same-day scan.
We also track the corporation's compliance calendar. As the May 15 annual report deadline approaches, we remind you, and we can file the report for you if you'd rather not log into the portal. If you're moving your corporation's agent to us from a previous provider or from yourself, we prepare and file the change of resident agent with LARA so there's no gap in coverage.
What we don't do is practice law. We receive and forward documents and keep the state record accurate; we don't give legal advice on what a served lawsuit means or how to respond. For that, you'll want an attorney — but you'll at least have received the papers in time to hire one.
Frequently asked questions
What is the difference between a resident agent and a registered agent in Michigan?
There is no functional difference — it's just terminology. Michigan's Business Corporation Act uses "resident agent" for the role that most other states call a "registered agent." The duties are identical: receive service of process and official state mail at a Michigan registered office, and stay reachable during business hours. If you see "registered agent" in Michigan materials, it means the same thing.
Can my Michigan corporation be its own resident agent?
The corporation cannot serve as its own resident agent, but an owner, officer, or director can serve individually if they have a Michigan street address and are available during business hours. Many owners do exactly this to save money. The tradeoffs are that the address is public and that you have to be reliably present to accept served documents.
Can I use a P.O. box as my registered office?
No. Michigan requires the registered office to be a physical street address where the resident agent is available in person during business hours. A P.O. box alone does not satisfy the requirement. This is a common reason filings and agent changes get rejected, so use an actual street address.
What happens if my resident agent resigns or moves?
You must update the record with LARA promptly by filing a change of resident agent (Form CSCL/CD-520). A resident agent can resign by notifying the corporation and the state, and if you don't name a replacement, the corporation falls out of compliance. Keeping the agent and registered office current is a continuous obligation, not a one-time formation task.
Does the resident agent need to be a Michigan resident?
The agent must have a physical presence in Michigan, but it doesn't have to be an individual resident. An individual resident agent must reside in Michigan with a Michigan street address, or you can use a domestic or authorized foreign business entity that maintains a business office in the state — which is exactly how commercial resident agent services qualify.
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Formation, your resident agent, and your annual report. One price, $199.00/yr, with the state fee passed through at cost.
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