Fee to file with the state
$120
Source: business.ct.gov, October 2026
LLC cost guide · Connecticut
Starting an LLC in Connecticut (2026): Official Costs and the 3 Best Services
Short answer for Connecticut: Mainstay Filing ($199), Connecticut Registered Agent.co ($199) and CT Registered Agent.org ($199), which is the sequence we would follow for forming an LLC in 2026. The state's side of the bill is $120 to form and $80 every year for the annual report; for three years of state fees Connecticut is number 32nd among the fifty.
Connecticut: the figures
32nd
of fifty for the state side of a three-year budget
The smaller the number, the less the state charges. Compare the other states
Annual report
$80 / yr
The state sets the deadline as on or before March 31. Source: business.ct.gov, October 2026
State charges, years one to three
$280
The fee to form, then two years of reports
The Connecticut picks
How the order came about: three-year service charges first, then coverage, renewal, Connecticut fit and fee labeling (methodology).
1. Mainstay Filing: best for a filing calendar someone else tracks
$199 a year on top of the $120 state fee
Why Mainstay Filing leads: the Connecticut formation, a registered agent and the annual report are all inside a $199 yearly price.
Compared with Connecticut Registered Agent.co, the three-year service bill is $200 higher, and more of the required filings are handled.
Each year it files the annual report for you, and the $80 state fee is billed at cost.
What the price buys
- Your formation is prepared and filed
- Registered agent duties covered all year
- Your annual report is prepared and sent in
- Your EIN application goes in with the rest
- State charges come through at cost
In its favor
- Holds at $199 on renewal
- The EIN application is in the price
- $199 a year covers formation and the agent and the report
Against it
- A yearly bill $100 higher than Connecticut Registered Agent.co's
2. Connecticut Registered Agent.co: best for low formation fees
$199 in the first year, $99 afterward
Our second pick, Connecticut Registered Agent.co, earns its place since $199 to form in Connecticut, agent service paid for in year one, then $99 yearly.
The annual report is yours to file every year.
What the price buys
- Articles drawn up and submitted
- First year of agent service
In its favor
- $199 and the state's fee
- First-year agent duty is free
- Then $99 per year
Against it
- The owner keeps the annual report
- $99 extra for the EIN
3. CT Registered Agent.org: best for a second Connecticut choice
$199 in the first year, $99 afterward
Our third pick, CT Registered Agent.org, earns its place since $199 to form in Connecticut, agent service paid for in year one, then $99 yearly.
The annual report is yours to file every year.
Price for price, it equals Connecticut Registered Agent.co.
What the price buys
- Articles drawn up and submitted
- First year of agent service
In its favor
- First-year agent duty is free
- Then $99 per year
- $199 and the state's fee
Against it
- The owner keeps the annual report
- $99 extra for the EIN
3 services in one table
| No. | Service | First-year fee | From year two | Service charges, three years | |
|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $199/yr | $597 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | Connecticut Registered Agent.co | $199 | $99/yr | $397 | Visit Connecticut Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | CT Registered Agent.org | $199 | $99/yr | $397 | Visit CT Registered Agent.orgPartner link. We may earn money if you buy. |
Company price pages, copied November 12, 2026. The $120 state fee is not part of any row.
State and service charges, by year
Pick a number of years and a service. The state portion follows the official schedule: $120 to form, then the annual report from year two.
Connecticut next to the states ranked around it
| Place | State | Three-year state fees |
|---|---|---|
| 30th | New Jersey | $250 |
| 31st | South Dakota | $260 |
| 32nd | Connecticut | $280 |
| 33rd | Illinois | $300 |
| 33rd | New Hampshire | $300 |
For the other states, go to LLC costs by state.
What Connecticut charges to file in 2026
To create the LLC, submit the Certificate of Organization to the Connecticut Secretary of State along with a $120 payment (Conn. Gen. Stat. § 34-247). It is billed at cost by every service below. Turnaround quoted by the state: Most online filings automatically accepted.
Staying in good standing: the annual report
Connecticut expects the annual report every year. Fee: $80. Last day to file: on or before March 31.
The reasoning behind the order
Mainstay Filing moved ahead of Connecticut Registered Agent.co on paperwork the price takes on, a criterion weighted 26%.
Connecticut Registered Agent.co is cheaper, but you would handle the annual report yourself.
Questions and answers
How much does the state charge to start an LLC in Connecticut?
The filing fee at the state is $120. Hiring a service adds $199.
What fee goes with the Connecticut annual report?
$80 every year, filed on or before March 31.
Where does Connecticut stand on LLC fees?
Connecticut is 32nd of 50 for three-year state fees, at $280; the smallest bill ranks first.
How long does the state take to approve a new LLC?
Expect Most online filings automatically accepted.
Does Connecticut require a registered agent?
Every LLC must name a registered agent with an in-state street address.
Which service should file my LLC?
Start with Mainstay Filing: a single $199 fee a year takes care of the filing, the registered agent and the annual report. After that, Connecticut Registered Agent.co and CT Registered Agent.org.
Sources for this chapter
- For Connecticut Secretary of the State, Business Services Division, see business.ct.gov (opened August 2026)
- For Connecticut Secretary of the State, Business Services Division, see business.ct.gov (opened August 2026)
- For Connecticut yearly filing: Annual report: fee, official source, see business.ct.gov (opened October 2026)
- For Connecticut report due date, see cga.ct.gov (opened August 2026)
- For Connecticut formation fee: Filing fee, official source, see business.ct.gov (opened October 2026)
- For Connecticut formation fee: Filing fee, official source, see business.ct.gov (opened October 2026)
- For New Jersey DORES, Getting Registered, see nj.gov (opened October 2026)
- For New Jersey formation fee: Filing fee, official source, see pub.njleg.gov (opened October 2026)
- For New Jersey Division of Revenue and Enterprise Services, see njportal.com (opened August 2026)
- For New Jersey Division of Revenue and Enterprise Services, see njportal.com (opened August 2026)
- For SDCL 47-34A-203, see sdlegislature.gov (opened August 2026)
- For South Dakota formation fee: Filing fee, official source, see sdsos.gov (opened October 2026)
- For South Dakota formation fee: Filing fee, official source, see sdlegislature.gov (opened October 2026)
- For South Dakota Secretary of State, Business Services /, see sdsos.gov (opened August 2026)
- For South Dakota Secretary of State, Business Services /, see sosenterprise.sd.gov (opened August 2026)
- For South Dakota yearly filing: Annual report: fee and, see sdlegislature.gov (opened October 2026)
- For 805 ILCS 180/5-5, see ilga.gov (opened August 2026)
- For Illinois formation fee: Filing fee, official source, see ilga.gov (opened October 2026)
- For Illinois formation fee: Filing fee, official source, see ilsos.gov (opened October 2026)
- For Illinois Secretary of State, Department of Business Services, see ilsos.gov (opened August 2026)
- For Illinois Secretary of State, Department of Business Services, see ilsos.gov (opened August 2026)
- For N.H, see gc.nh.gov (opened August 2026)
- For New Hampshire formation fee: Filing fee, official source, see sos.nh.gov (opened October 2026)
- For New Hampshire formation fee: Filing fee, official source, see gc.nh.gov (opened October 2026)
- For New Hampshire Secretary of State, Corporations Division, see sos.nh.gov (opened August 2026)
- For Processing and expedite, official source, see business.ct.gov (opened October 2026)
- The Connecticut service page for Mainstay Filing, as published November 12, 2026
- The pricing page for Connecticut Registered Agent.co, as published November 12, 2026
- The pricing page for CT Registered Agent.org, as published November 12, 2026