Form a Business in Connecticut
Filing fees, deadlines, registered agent rules, and tax structure for Connecticut, verified against the Connecticut Secretary of the State (Stephanie Thomas, verified at portal on Jun 11, 2026.
Connecticut at a glance
LLC Formation
$120
Corp Formation
$250
Nonprofit Formation
$50
Annual Report: LLC
$80
Annual Report: Corp
$150
Registered Agent
Street address
What makes Connecticut different
- Connecticut filing rules are documented in our canonical ruleset.
Connecticut tax structure
See your CPA for personalized tax analysis.
For detailed tax planning, see the Connecticut Secretary of the State (Stephanie Thomas, verified at portal and the Connecticut Department of Revenue. File.Business is not a tax preparer, consult a CPA for personalized advice.
Ready to file in Connecticut?
We handle Articles of Organization, registered agent service, annual report monitoring, and ongoing compliance, backed by our canonical Connecticut ruleset (re-verified quarterly against Connecticut Secretary of the State (Stephanie Thomas, verified at portal).
Filing portal: #