Form a LLC in Connecticut

Everything you need to know about forming a LLC in Connecticut. Filing fees, requirements, timeline, and step-by-step guidance.

$120
Filing Fee
5-10 business days
Processing Time
Required
Registered Agent

How to File

1

Choose LLC Name

Select an available name ending with 'LLC' or 'Limited Liability Company'. Search availability on Connecticut Secretary of State website.

30 minutes

2

Appoint Registered Agent

Designate a registered agent with a Connecticut address to receive legal documents and state correspondence.

15 minutes

3

Prepare Certificate of Organization

Complete the official formation document with LLC details including name, registered agent, and management structure.

45 minutes

4

File with Secretary of State

Submit Certificate of Organization online or by mail with the $120 filing fee to the Connecticut Secretary of State.

20 minutes

What's Next After Filing

Once your LLC is officially formed, you'll want to complete these important steps:

  • Obtain EINApply for an Employer Identification Number from the IRS for tax purposes and banking.
  • Create Operating AgreementDraft an operating agreement outlining ownership, management, and operational procedures (recommended but not required).
  • Complete Business SetupOpen business bank account, obtain necessary licenses, and register for state taxes if applicable.

Advantages

  • Limited personal liability protection for members
  • Pass-through taxation avoids double taxation
  • Flexible management structure and profit distribution
  • Enhanced business credibility with customers and vendors

Considerations

  • Annual report filing requirement with $80 fee
  • Self-employment tax applies to active members
  • More complex than sole proprietorship for tax and record-keeping

Annual Obligations

Annual Report Fee:$80
Report Due:March 31
Annual report due March 31st each year. Late filing penalty of $50 applies after due date.
Last verified: December 2025Source

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