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Registered Agent · What a Connecticut Corporation needs in a registered agent, and how ours is handled, all year.

Registered Agent Requirements for a Connecticut Corporation

Every Connecticut corporation must name and maintain a registered agent — a reliable person or company with a physical Connecticut address who accepts legal process and official mail on the corporation's behalf. This page explains what the agent does, who is eligible, what happens if the appointment lapses, and how to decide whether to serve yourself or hire a service.

One price: $199.00/yr covers your formation, your registered agent, and your annual report, plus the $250.00 state filing fee, at cost.

State agency: Connecticut Secretary of the State, Business Services Division (filed via the CT Business One Stop, business.ct.gov)

Annual report due: Anniversary of formation · Processing: 2-3 business days

Form Your Connecticut Corporation ($199.00/yr All-In)

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State facts

Connecticut Corporation

State filing fee$250.00
Annual report fee$150.00
Annual report dueAnniversary of formation
Std. processing2-3 business days

What a Registered Agent Is and Why It Is Required

A registered agent is the corporation's official recipient of legal and government mail. When someone sues your corporation, they serve the lawsuit on your registered agent. When the Secretary of the State needs to reach the corporation, that notice goes to the agent too. Connecticut requires the appointment under the Connecticut Business Corporation Act, and the agent's name and address are part of your Certificate of Incorporation from the day you form.

The requirement exists so that the public and the courts always have a dependable place to deliver documents to the corporation. A business can change offices, go quiet, or operate entirely online; the registered agent is the fixed point that keeps it reachable. That is why the address must be a real, staffed physical location in Connecticut — not a P.O. box and not an address in another state.

What the agent actually receives

  • Service of process — lawsuits, summonses, and subpoenas directed at the corporation.
  • State compliance mail — annual report reminders and notices from the Secretary of the State.
  • Official government correspondence — including tax and regulatory notices routed to the corporation's agent.

Who Can Serve as Your Registered Agent

Connecticut gives corporations a few eligible options, and the right one depends on your situation, your privacy preferences, and how reliably available you can be during business hours.

An individual resident

Any Connecticut resident who is at least eighteen and has a physical street address in the state can serve. That includes you, a co-founder, an employee, or your attorney. The person has to actually be present at that address during normal business hours, because service of process often happens in person.

A business entity

A company authorized to do business in Connecticut can serve as a registered agent, provided it keeps a physical Connecticut office. This is what commercial registered agent services are — businesses whose entire job is receiving and forwarding legal documents reliably.

The corporation itself

A Connecticut corporation generally cannot act as its own registered agent; the agent has to be a separate person or a different qualifying entity with a Connecticut address. In practice that means you either designate an individual or hire a service.

Serving as Your Own Agent Versus Hiring a Service

Both are legitimate. The decision usually comes down to three things: privacy, availability, and convenience.

The case for serving yourself

It costs nothing and you control the mail directly. For a single-owner corporation operated from a stable Connecticut address, with someone present during business hours, this can work fine.

The case for a commercial service

  • Privacy. Your registered agent address is public and searchable. Using a service keeps your home address out of the state database and off search results.
  • Availability. A service is staffed through the full business day. You never miss a serve because you were at a job site, on vacation, or between offices.
  • No embarrassment. Being served a lawsuit in front of customers or staff is avoidable — the papers go to the agent instead.
  • One address that stays put. If you move, the corporation's registered agent address does not have to change, so you avoid repeated update filings.

For most owners who value privacy or cannot guarantee they will be at one address every business day, a commercial registered agent is the practical choice.

What Happens If You Don't Maintain an Agent

A registered agent is not a one-time formality — it is a continuous obligation. If your agent resigns, moves without updating the record, or becomes unreachable, the corporation falls out of compliance even if everything else is in order.

The consequences stack up

  • Missed legal process. If a lawsuit is served on an agent who no longer exists at the listed address, you may never learn about it until a default judgment has already been entered against the corporation.
  • Missed state notices. Annual report reminders and compliance warnings go to the agent. Miss those and the corporation can drift out of good standing without you realizing it.
  • Loss of good standing. A corporation without a valid agent can be flagged and, over time, lose its good standing — which blocks financing, contracts, and expansion into other states until it is fixed.

Keeping a valid agent on file is one of the cheapest, simplest ways to avoid an expensive problem.

How Mainstay Filing Handles Registered Agent Service

When you form a Connecticut corporation with us, registered agent service is included. We provide a Connecticut street address that goes on your Certificate of Incorporation, and we receive service of process and state mail on the corporation's behalf.

When something arrives, we scan it and notify you promptly, so a lawsuit or a state deadline never sits unopened in a pile. Because our address is the one in the public record, your home address stays private. And because our office is staffed through the business day, there is always someone there to accept documents — you are never the reason a serve was missed.

If you already have a corporation formed elsewhere and just need a dependable Connecticut agent, we can take over the role by filing a change of agent with the state. Either way, the goal is the same: keep the corporation reachable, compliant, and out of the kind of trouble that a missed legal document creates.

Frequently asked questions

Does every Connecticut corporation need a registered agent?

Yes. The Connecticut Business Corporation Act requires every corporation to appoint and continuously maintain a registered agent with a physical Connecticut street address. The agent is named in your Certificate of Incorporation and must stay current for the entire life of the corporation. There is no exemption for small or single-owner corporations.

Can I be my own registered agent for my Connecticut corporation?

Yes, if you are a Connecticut resident with a physical street address in the state and you are available during normal business hours to accept legal documents in person. The tradeoffs are that your address becomes public and that you have to be reliably present. Many owners prefer a commercial agent to keep their address private and never miss a serve.

Can the corporation act as its own registered agent?

No. The registered agent must be a separate individual or a qualifying entity with a Connecticut address — the corporation cannot list itself. In practice you either name an eligible person, such as yourself or a co-founder, or you hire a commercial registered agent service to fill the role.

What is the difference between a registered agent and a registered office?

The registered agent is the person or company designated to receive documents; the registered office is the physical Connecticut street address where that agent can be found. They go together on the Certificate of Incorporation. The office has to be a real location staffed during business hours — not a P.O. box — because legal process is often delivered in person.

What happens if my registered agent resigns?

You have to appoint a replacement and update the record with the Secretary of the State. If you leave the position empty, the corporation is out of compliance and risks missing lawsuits and state notices, which can lead to a default judgment or loss of good standing. Appointing a new agent promptly is the way to avoid that gap.

Can I change my registered agent after forming the corporation?

Yes. You can change your registered agent at any time by filing a change of agent with the Secretary of the State through the Business One Stop portal. Corporations commonly do this when they switch to a commercial service, when an individual agent moves, or when the original agent no longer wants the responsibility.

Ready to form your Connecticut Corporation?

Formation, your registered agent, and your annual report. One price, $199.00/yr, with the state fee passed through at cost.

Form Your Connecticut Corporation ($199.00/yr All-In)