Connecticut LLC Requirements

Each state has different requirements for forming a limited liability company (LLC). Whether you are starting a business or incorporating a business already in existence, you'll want to understand the state requirements for LLC formation.

Cost to form a Connecticut LLC

At BizFilings, we clearly outline our fees and the Connecticut state fees. When you view our pricing to form an LLC you plainly see:

  • BizFilings’ package prices. BizFilings offers three incorporation service packages from which you can choose.
  • State fee for standard turn-around. Our pricing clearly shows the state fee to form an LLC in Connecticut with standard turn-around.
  • Expedited turn-around. You will see the BizFilings and state fee, if any, for expedited turn-around.
  • 48-hour turn-around. Connecticut has a 48-hour filing option, which is outlined in our pricing.
  • Certified copy. Our pricing also clearly displays the BizFilings and state fee, if any, for issuing a Certified Copy of the Articles of Organization.

Form a Connecticut LLC

LLC name

Acceptable name endings include "Limited Liability Company," "LLC" or "L.L.C." The word "Limited" can be abbreviated as "Ltd." and "Company" can be abbreviated as "Co."

Member/Manager information

The following are Connecticut’s requirements for the members/managers of LLCs:

  • Minimum number. LLCs must have one or more members/managers.
  • Residence requirements. Members/managers must have a physical address (no post office boxes).
  • Age requirements. Connecticut does not have age requirements.
  • Inclusion in the Articles of Organization. Member/Manager names and addresses are required to be listed in the Articles of Organization.

Requirements for the Articles of Organization

The document required to form an LLC in Connecticut is called the Articles of Organization. The information required in the formation document varies by state. Connecticut's requirements include:

  • Registered agent. LLCs must list the name and address of a registered agent with a physical address (no post office boxes) in Connecticut. The registered agent must be available during normal business hours to accept important legal and tax documents for the business.
Connecticut Registered Agent Service

Professional services businesses.

Connecticut does not allow professionals, such as accountants, attorneys and physicians, to form a professional limited liability company (PLLC).

After forming a limited liability company (LLC) , you must undertake certain steps on an ongoing basis to keep your business in compliance. These steps are also important in preserving the limited liability an LLC provides its owner(s). This guide outlines the ongoing requirements for Connecticut LLCs.

LLC taxes and fees

The following are taxation requirements and ongoing fees in Connecticut:

  • Annual report. Connecticut requires LLCs to file an annual report, which is due on the anniversary date of the LLC’s incorporation. The annual report fee is $20.
  • Taxes. For complete details on state taxes for Connecticut LLCs, visit Business Owner's Toolkit or the State of Connecticut .
  • Federal tax identification number (EIN). An EIN is required for LLCs that will have employees. Additionally, most banks require an EIN in order to open a business bank account.
  • State tax identification number. Connecticut does not require a state tax identification number.

Business Licenses

Business licenses and/or permits are required for most businesses. The BizFilings Business License Application Package can help you stay on top of these requirements.

Additional Connecticut information

View the following additional resources BizFilings has for forming and maintaining companies in Connecticut:

State Guides


The state in which you form your company can provide certain benefits.

Please select both a state and a topic.

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