Foreign LLC Services › Connecticut
Foreign LLC services in Connecticut, compared
In Connecticut a filing service costs $199 on top of the $120 state fee. Mainstay Filing is our first pick.
Best 3 Foreign Registration Services in Connecticut (2026)
Ranked for Connecticut.
| # | Service | Service fee | Connecticut fee | Agent |
|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $120 | Year one included, then $149/yr |
| 2 | CT Registered Agent.org | $199 | $120 | Year one included, then $99/yr |
| 3 | Connecticut Registered Agent.co | $199 | $120 | Year one included, then $99/yr |
Service prices read from each provider’s Connecticut page on October 28, 2026. The state fee is the official figure below and is paid to the Connecticut Secretary of the State, Business Services Division.
Side by side with doing it yourself
| Route | Service fee | Agent, year one | Agent after | Year one, before any agent |
|---|---|---|---|---|
| Mainstay Filing | $199 | Included | $149 a year | $319 |
| CT Registered Agent.org | $199 | Included | $99 a year | $319 |
| Connecticut Registered Agent.co | $199 | Included | $99 a year | $319 |
| Do it yourself | $0 | You arrange one | Your cost | $120 |
A registered agent must have a street address in Connecticut. Doing it yourself means you arrange and pay for one.
What the state requires either way
- Application
- Foreign Registration Statement, Limited Liability
- Good-standing certificate
- Certificate of existence (certificate of good standing) from the state of formation, no older than 90 days
- Yearly filing
- Annual report (Connecticut Secretary of the State), $80 (due: between January 1 and March 31)
Connecticut service questions
Which service is best for a foreign LLC in Connecticut?
We rank Mainstay Filing first for Connecticut: $199 plus the $120 state fee, with the agent free for the first year.
What does a Connecticut service include?
The application, the filing with the Connecticut Secretary of the State, Business Services Division, payment of the state fee and a registered agent for the first year.
Is it cheaper to file in Connecticut myself?
On paper, yes by $199: the state fee is $120. You would also need to find a registered agent and prepare Foreign Registration Statement, Limited Liability.
Sources
- Foreign LLC forms and fees, Business.CT.gov: business.ct.gov/knowledge-base/articles/foreign-limited-liability-companies-forms-and-fees, checked October 8, 2026
- Foreign Registration Statement form (PDF): business.ct.gov/-/media/sots/business-services/bsd-forms/limited-liability-company/foreign/foreign_registration_statement_llc_foreign_fillable_20220127.pdf, checked October 8, 2026
- Connecticut General Statutes, chapter 613a: www.cga.ct.gov/current/pub/chap_613a.htm, checked October 8, 2026
- Foreign investigations penalties: business.ct.gov/knowledge-base/articles/foreign-investigations-penalties, checked October 8, 2026
- Who can be an agent: business.ct.gov/knowledge-base/articles/who-can-be-an-agent, checked October 8, 2026
- Foreign annual report forms and fees: business.ct.gov/knowledge-base/articles/foreign-annual-report-forms-and-fees, checked October 8, 2026