Connecticut LLC Cost (2026): Real Filing Fees, Annual Reports & Year-1 Totals
The real cost of forming an LLC in Connecticut in 2026, with each dollar figure linked to an authoritative source. This page is the cost-table-only variant of our full Connecticut LLC formation guide; if you also need the 6-step walkthrough, FAQ, and tool comparisons, start there.
Year-1 cost table
| Item | Cost | Source |
|---|---|---|
| Articles of Organization (state filing fee) | $120 | cite |
| Biennial Report (every 2 years, due anniversary month) | $80 | cite |
| Registered Agent (Northwest, annual) | $125 | cite |
| Expedited processing (optional, 1-2 business days) | $50 | cite |
| Year 1 total (standard processing, Northwest RA) | $245 | cite |
Two cost drivers underneath the table: Articles of Organization filing (a one-time fee per filing) and registered agent fees (an ongoing yearly service). Both are line-itemed above.
Annual filing deadline
Connecticut LLCs must file a biennial report every two years by the last day of the anniversary month of formation, with an $80 fee; late filings incur penalties.
Authoritative sources
- https://portal.ct.gov/sos/business/business-services/limited-liability-company
- https://portal.ct.gov/drs/business-tax-information/business-tax-information
- https://www.irs.gov/businesses/small-businesses-self-employed/apply-for-an-employer-identification-number-ein-online
Affiliate disclosure: some links below earn AthenAI a commission at no extra cost to you. We only recommend tools we use ourselves; see our methodology.
Want the full picture?
- Full Connecticut LLC formation guide — 6 steps, FAQ, tool comparisons
- Northwest Registered Agent — $125/yr for Connecticut
- Mercury — free business checking
Other state costs
Skip the research — let AthenAI form your Connecticut LLCUpdated 2026-05-12. Source quality: d1_hydrated. AthenAI is not a law firm; this page is informational.