LLC Services Compared › Connecticut
The three-year cost of a Connecticut LLC (2026)
Connecticut charges $120 to file an LLC. Over three years, with a registered agent and the state’s report fees, Mainstay Filing (best overall) totals $877; the other four services total $569 to $1,027.
- Official sources, checked October 20, 2026
- Prices verified October 2026
Year by year
| Service | Year 1 | Year 2 | Year 3 | Service total | With state costs |
|---|---|---|---|---|---|
| Mainstay Filing | $199 | $199 | $199 | $597 | $877 |
| Northwest Registered Agent | $39 | $125 | $125 | $289 | $569 |
| ZenBusiness | $99 | $199 | $199 | $497 | $777 |
| Bizee | $0 | $149 | $149 | $298 | $578 |
| LegalZoom | $249 | $249 | $249 | $747 | $1,027 |
Mainstay Filing
$199 / year, $877 over three years with Connecticut costs
- LLC formation, prepared and filed
- Registered agent, all year
- EIN application (with an SSN or ITIN)
- Annual report filed every year it is due where the state requires one
- Compliance reminders and stored documents
Price from the Mainstay Filing pricing and FAQ pages, checked October 21, 2026. State fees are passed through at cost and shown before you pay.
Connecticut state costs
- Filing fee
- $120 for the Certificate of Organization, to the Connecticut Secretary of State
- Yearly state report
- Annual Report, every year: $80
- Registered agent
- Required. A Connecticut resident, or a business entity formed in Connecticut or registered there. The agent signs to accept the appointment.
Connecticut questions
What does an LLC cost in Connecticut over three years?
State costs are $280 ($120 to file, plus 2 reports at $80). Adding a service and registered agent gives $569 (Northwest Registered Agent) to $1,027 (LegalZoom). Mainstay Filing is $877.
Does Connecticut require an annual report?
Annual Report, every year: $80.
Why do the services differ most after year one?
Agent pricing: Northwest Registered Agent $39 then $125 a year, Bizee free then $149, ZenBusiness $99 then $199, LegalZoom $249, Mainstay Filing $199 flat.
Sources
- Conn. Gen. Stat. § 34-247 (Formation of limited liability company; certificate of organization); fee set by § 34-243u(a)(3) (multira state research spine): www.cga.ct.gov/current/pub/chap_613a.htm, checked August 12, 2026
- Connecticut formation fee: Filing fee, official source read 2026-10-01: business.ct.gov/knowledge-base/articles/domestic-limited-liability-companies-forms-and-fees, checked October 1, 2026
- Connecticut formation fee: Filing fee, official source read 2026-10-01: business.ct.gov/-/media/businessonestop/fee-schedule-revised-712020.pdf, checked October 1, 2026
- Connecticut Secretary of the State, Business Services Division (multira state research spine): business.ct.gov/business-services/file-annual-report, checked August 12, 2026
- Connecticut Secretary of the State, Business Services Division (multira state research spine): business.ct.gov/knowledge-base/articles/annual-report/file-an-annual-report, checked August 12, 2026
- Connecticut yearly filing: Annual report: fee, official source read 2026-10-01: business.ct.gov/knowledge-base/articles/domestic-annual-report-forms-and-fees, checked October 1, 2026
Provider prices: each company’s own pages, checked October 2026.