How to Register a Foreign LLC in Connecticut
By Edmond Hui · Last updated: June 14, 2026
If you formed your LLC in another state but need to conduct business in Connecticut, you must complete the foreign LLC registration process before operating in the state. Connecticut requires foreign LLCs to register before engaging in any business activities, including signing contracts, opening bank accounts, or hiring employees. This process, known as foreign qualification, involves filing an Application for Registration of Foreign Limited Liability Company with the Connecticut Secretary of State and paying a $120 filing fee. Beyond the initial registration, you'll need to maintain ongoing compliance with Connecticut's requirements, including filing an annual report by March 31 each year for $80. The foreign qualify process typically takes 5-7 business days for standard processing, though expedited 24-hour service is available for an additional $50 fee. Failing to register your foreign LLC in Connecticut before conducting business can result in significant penalties and the inability to access state courts for legal disputes.
Before You File: Prerequisites
- Certificate of Good Standing (or Certificate of Status) from your home state, dated within 60 days
- A registered agent with a physical address in Connecticut
- Your LLC's Articles of Organization from your home state or formation documents
- Principal office address and contact information for your LLC
- Names and addresses of all members or managers of the LLC
- Business purpose statement describing the nature of your LLC's activities in Connecticut
- Payment method for the $120 filing fee and any expedited processing fees
How to Register a Foreign LLC in Connecticut: Step-by-Step
- 1
Obtain a Certificate of Good Standing
Contact your home state's Secretary of State office to request a Certificate of Good Standing or Certificate of Status for your LLC. This document proves your LLC is properly registered and in compliance with your home state's requirements. Most states offer online ordering through their Secretary of State websites, with certificates typically available within 1-3 business days. The certificate must be dated within 60 days of your Connecticut foreign registration filing to be accepted.
- 2
Appoint a Registered Agent in Connecticut
Connecticut requires that you designate a Connecticut registered agent with a physical Connecticut street address before filing your foreign LLC registration. You cannot use a P.O. Box for this purpose. Commercial registered agents are widely available throughout Connecticut and typically charge between $50-300 annually for this service. Alternatively, you can appoint an individual Connecticut resident who agrees to accept legal documents on your LLC's behalf during regular business hours.
- 3
Check Your LLC Name Availability
Before filing, verify that your LLC's exact name is available for use in Connecticut by searching the state's business database. If your LLC name is already in use in Connecticut, you may register under an alternate name or assumed name. Contact the Secretary of State office directly to confirm name availability before filing your application. You'll need to choose a name that includes 'LLC' or 'Limited Liability Company' and complies with Connecticut naming requirements.
- 4
File the Application for Registration of Foreign Limited Liability Company
Submit your Application for Registration of Foreign Limited Liability Company through the Connecticut Secretary of State's online portal at https://portal.ct.gov/SOTS/Commercial-Recording/Foreign-Companies/Foreign-LLC. The filing fee is $120, payable online by credit card or ACH transfer. The application requires your LLC's name, principal office address, registered agent information, business purpose, and details about members or managers. You'll also need to attach your Certificate of Good Standing from your home state as part of the filing process.
- 5
Understand Your Ongoing Tax Obligations
Connecticut does not impose a franchise tax or privilege tax on foreign LLCs, but you must register with the Connecticut Department of Revenue Services for applicable state taxes if your LLC generates income in Connecticut. This includes sales tax registration if you sell taxable goods or services, and income tax obligations for LLC members. Register within 30 days of beginning business operations in Connecticut. You may also need to obtain local business licenses or permits depending on your business activities and location within Connecticut.
- 6
File Your Annual Report / Ongoing Compliance
Connecticut requires all foreign LLCs to file an Annual Report by March 31 each year, with an $80 filing fee. This report updates the state on your LLC's current registered agent, principal office address, and member or manager information. Connecticut's March 31 deadline is firm, with a $50 late fee applied to reports filed after the deadline. Continued non-compliance can lead to revocation of your foreign LLC registration, which would prohibit you from legally conducting business in the state.
Cost Breakdown
The total first-year cost to register a foreign LLC in Connecticut ranges from $250 to $500. This includes the mandatory $120 Secretary of State filing fee and $80 annual report fee, plus registered agent services ranging from $50-300 depending on your chosen provider. Connecticut does not impose franchise or privilege taxes on LLCs. Additional costs may include expedited processing ($50), Certificate of Good Standing from your home state ($10-50), and any required business licenses or permits specific to your industry or location within Connecticut.
Processing Timeline
Plan to begin the foreign LLC registration process at least 2-3 weeks before you need to conduct business in Connecticut to allow for obtaining your Certificate of Good Standing and processing time. Your foreign qualification becomes effective on the date the Connecticut Secretary of State approves your application, not when you submit it.
Connecticut-Specific Warnings
Connecticut enforces its March 31 Annual Report deadline strictly, with a $50 late fee automatically applied to any report filed after this date. The state does not provide grace periods or extensions except in extraordinary circumstances. If you fail to file your Annual Report for multiple consecutive years, Connecticut will revoke your foreign LLC registration, requiring you to cease business operations in the state until you cure the default and pay all accumulated fees and penalties.
Connecticut law prohibits foreign LLCs from conducting any business activities in the state before completing foreign registration. This includes signing contracts with Connecticut customers, opening bank accounts at Connecticut branches, hiring employees, leasing office space, or making sales to Connecticut residents. Violation of this requirement can result in fines, inability to enforce contracts in Connecticut courts, and personal liability for LLC members who knowingly conduct business without proper registration.
Connecticut maintains a publicly accessible online business registry where anyone can search for registered entities, including foreign LLCs. Operating in Connecticut without proper foreign LLC registration creates an easily discoverable compliance gap that competitors, customers, or regulatory agencies can identify. This public visibility increases the risk of enforcement action and can damage your business reputation if stakeholders discover you're operating without required state authorization.
Frequently Asked Questions
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