To form an LLC in Connecticut you file Articles of Organization (sometimes called a Certificate of Formation) with the state and pay a one-time filing fee of $120. Connecticut is around the middle for LLC filing fees (number 30 of 51). You also need a registered agent with a Connecticut address, and most owners get an EIN from the IRS so they can open a bank account and pay taxes.
Connecticut LLC costs at a glance
| Item | Cost | When |
|---|---|---|
| Connecticut LLC filing fee | $120 | One time, paid to the state |
| ZIS Consultants service fee | $149 | One time |
| Registered agent (optional, if you don’t have a Connecticut address) | $50 first year | Renewal price depends on the state |
| EIN from the IRS (optional) | $20 | One time |
| Operating agreement (optional) | $49 | One time |
| Connecticut annual or periodic report | $80 | Annual, by March 31 |
Connecticut requires a report: annual, fee $80, due by March 31.
Processing time in Connecticut
Online filings in Connecticut are usually approved within a few business days. Processing times change with the state’s workload, and we keep you updated by email and WhatsApp until your approved documents arrive.
How to form your Connecticut LLC with ZIS Consultants
- Pick your company name and type. LLC, S Corp or C Corp. We check the name is available in Connecticut.
- Fill in the online order form. About 10 minutes: owners, address, and the add-ons you want. Nothing is preselected.
- We file with Connecticut. We submit your formation documents and pay the $120 state fee on your behalf.
- Get your documents. Approved Articles, EIN letter and operating agreement (if ordered) are emailed to you.
Start my Connecticut LLC — $269
Frequently asked questions
How much does it cost to start an LLC in Connecticut?
The Connecticut state filing fee is $120. With ZIS Consultants the total is $269 (our $149 service fee plus the state fee). A registered agent ($50 first year), EIN ($20) and operating agreement ($49) are optional add-ons.
Does Connecticut require an annual report for LLCs?
Yes. Connecticut requires a report (annual). The fee is $80 and it is due by March 31.
Do I need to live in Connecticut to form an LLC there?
No. Anyone can form an LLC in Connecticut, including people living in other states or outside the US. You do need a registered agent with a physical address in Connecticut, which we can provide for $50 for the first year.
How much does a Connecticut corporation cost?
The Connecticut filing fee for a corporation (S Corp or C Corp) is $250. Our service fee is the same $149 for every company type.
Can I get an EIN for my Connecticut LLC?
Yes. Add the EIN option ($20) to your order and we apply to the IRS for you once the state approves your LLC.
Fees last checked Oct 15, 2026. States change fees from time to time, so we confirm the exact amount before filing.