Frequently Asked Questions About Forming a Connecticut LLC
Get answers to the most common questions about forming an LLC in Connecticut — filing fees, registered agent rules, annual reports, and more.
Bizee Editorial Staff
Editorial Team
Introduction
Forming an LLC in Connecticut raises a lot of questions — about costs, paperwork, registered agents, and what happens after you file. This page answers the most common ones so you know exactly what to expect before you get started.
Common questions about forming a Connecticut LLC
Forming a Connecticut LLC means filing a Certificate of Organization with the Connecticut Secretary of the State, paying a $120 state filing fee, and designating a registered agent. Most people also have questions about naming rules, operating agreements, annual reports, and tax IDs. The answers below cover each of those areas.
Connecticut's process is more straightforward than people expect. The state filing is handled online through business.ct.gov, and most of the questions that slow people down — like what a registered agent does or whether you need an operating agreement — have clear, practical answers.
FAQ
The filing document for a Connecticut LLC is the Certificate of Organization. You file it with the Connecticut Secretary of the State and pay a $120 state filing fee. You can file online through business.ct.gov or by mail using the state's prescribed form.
The state filing fee to form a Connecticut LLC is $120. That's the fee for filing your Certificate of Organization with the Connecticut Secretary of the State. If you want to reserve your business name before filing, there's a separate $60 fee for a Name Reservation.
It depends on how you file. Online filings through business.ct.gov are generally processed faster than mail submissions. Mail filings can take up to a week or more. Check the Connecticut Secretary of the State's site for current processing times, as they can vary.
Yes. Connecticut law requires every LLC to designate and continuously maintain a registered agent in the state. Your registered agent must be either a Connecticut resident who is at least 18 years old or a business entity registered with the Connecticut Secretary of the State with a Connecticut address.
You can serve as your own registered agent if you're a Connecticut resident and meet the age and address requirements. You can also appoint a friend, family member, or a professional registered agent service.
Use the Connecticut Business Records Search tool at service.ct.gov to check whether your desired name is already in use. Your LLC name must be distinguishable from other business names on file with the Secretary of the State — if it isn't, your filing will be rejected.
Connecticut also requires your LLC name to include "Limited Liability Company," "LLC," or "L.L.C." You can search by business name, business ALEI, or filing number.
No. Connecticut law doesn't require a written operating agreement, but having one is strongly recommended. Without one, any issue your operating agreement doesn't address will be governed by the default rules in the Connecticut Uniform Limited Liability Company Act — which may not reflect what you actually want.
Your operating agreement is also where you specify whether your LLC is member-managed or manager-managed. That distinction matters for how decisions get made and who can bind the business.
Yes. Connecticut requires all domestic and foreign LLCs to file an annual report with the Secretary of the State by March 31 each year. The filing fee is $80. Annual reports must be filed online through business.ct.gov — the state doesn't offer a standard mail-in option for routine LLC annual report filings.
Generally, yes — if your LLC has employees or is taxed as a corporation or partnership, you need an Employer Identification Number (EIN) from the IRS. Even if you're a single-member LLC with no employees, an EIN is useful for opening a business bank account and keeping your Social Security number off business documents.
You can apply for an EIN online through the IRS at no cost. The EIN application is separate from your Connecticut state filing.
It depends on your situation. Connecticut's main for-profit entity types are LLCs, S Corporations, and C Corporations. For many entrepreneurs, an LLC offers a practical balance of personal liability protection and lower administrative overhead compared to a corporation. A tax professional can help you figure out which structure fits your business and tax goals.
No. Connecticut does not offer series LLCs. If you're looking to hold multiple assets or businesses under a single umbrella structure, talk to a legal professional about the options available under Connecticut law.
You can change your Connecticut registered agent by filing a Change of Agent form with the Connecticut Secretary of the State. The change takes effect once the filing is processed. Your LLC must always have an active registered agent on file — there's no grace period between agents.
You can look up the registered agent for any Connecticut business using the Connecticut Business Records Search at service.ct.gov. Search by business name or filing number to pull up the entity's public record, which includes the registered agent's name and address.
Yes. Connecticut's business registration process asks for a NAICS code — a standard industry classification number that identifies what type of business you run. You'll need it when registering your business through business.ct.gov, along with your business name, address, email, and a point of contact.
