Starting an LLC in Connecticut
What it costs, what you file and what you owe afterwards. Every figure below came from the state's own pages.
Forming an LLC in Connecticut costs $120 to file the Certificate of Organization with the Connecticut Secretary of the State, Business Services Division. After that, Annual Report is due due each year during the window that runs from January 1 through March 31.
What it costs
| What | Amount | When |
|---|---|---|
| Certificate of Organization | $120 | Once, when the LLC is formed |
| Annual Report | $80 | Due each year during the window that runs from January 1 through March 31. |
Registered agent
Connecticut requires one. The Certificate of Organization must appoint an agent, separate from the LLC itself, to receive legal process; an individual agent has to be a Connecticut resident and an entity agent must already be on record in Connecticut with a Connecticut address.
What you owe after year one
Due each year during the window that runs from January 1 through March 31.
Missing it is the most common way a good standing lapses, and restoring one costs more than filing on time.
The official pages
- Connecticut Secretary of the State, Business Services Division
- Search the register for your name
- File the Certificate of Organization
- Report filing and due dates
Read from the source, 2, 3, 4 on 2026-09-04. Fees change, so check the state page before filing. SideKix has no relationship with any state agency and takes nothing for sending you there.
Before you file
- Sole proprietor, LLC or S corp, what actually differs, with no recommendation
- What it will cost to start, because the filing fee is the small part
- Whether the name is still free, checked against the registries themselves
- What to do first if the idea is still an idea
Another state
SideKix, “How much does an LLC cost in Connecticut?”, checked 2026-09-04. https://sidekixhq.com/start-an-llc-in-connecticut.html
Questions people ask
How much does it cost to start an LLC in Connecticut?
The state filing fee for the Certificate of Organization is $120.
What form do I file to start an LLC in Connecticut?
The Certificate of Organization, filed with the Connecticut Secretary of the State, Business Services Division.
Does Connecticut require an annual report for an LLC?
Due each year during the window that runs from January 1 through March 31.
Do I need a registered agent in Connecticut?
Yes. The Certificate of Organization must appoint an agent, separate from the LLC itself, to receive legal process; an individual agent has to be a Connecticut resident and an entity agent must already be on record in Connecticut with a Connecticut address.