Form a Business in Connecticut

By LLCbyState Editorial Team · Editorial Team

Everything you need to form and maintain an LLC, Corporation, S-Corp, or DBA in Connecticut. Filing fees and ongoing requirements are current for 2026.

Connecticut at a glance

LLC filing fee$120

Corporation filing fee$250

DBA fee$60

Annual report$80 annual

Franchise taxBusiness Entity Tax $250

Visit the official Connecticut SOS site →

Topics covered for Connecticut

How to Form an LLC in Connecticut (2026 Step-by-Step) Limited Liability Company · How to Form
Connecticut Registered Agent: Requirements & Cost (2026) Limited Liability Company · Registered Agent
Connecticut LLC Annual Report (2026 Guide) Limited Liability Company · Annual Report
Connecticut LLC Taxes (2026): State and Federal Limited Liability Company · Taxes
Connecticut LLC Cost (2026): What You Pay to Start and Maintain Limited Liability Company · Formation Cost