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Connecticut Foreign qualification

Quick answer

Signed Foreign Registration Statement for an LLC, including registered-agent appointment and at least one manager or member.

LLC / Fee

$120

View official source

LLC / Required documents

Signed Foreign Registration Statement for an LLC, including registered-agent appointment and at least one manager or member.

View official source

LLC / Timing

Register with the Secretary of the State before transacting business in Connecticut.

View official source

LLC / Penalties for operating without registration

Cannot maintain an action until registered; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if registered within 90 days after commencing business.

View official source

Last verified Oct 25, 2026

How do I complete this filing?

  1. LLCs

    Required documents

    Signed Foreign Registration Statement for an LLC, including registered-agent appointment and at least one manager or member.

    Last verified Oct 25, 2026 — source and quotation
    FOREIGN REGISTRATION STATEMENT LIMITED LIABILITY COMPANY … 10. APPOINTMENT OF REGISTERED AGENT FOR SERVICE OF PROCESS (required): … 11. MANAGER OR MEMBER INFORMATION (Required): (Must list at least one Manager or Member of the LLC.) … 12. The document must be executed / signed by an authorized official of the limited liability company. That person must print or type his / her full legal name, state the capacity / title under which he / she signs and provide his/ her signature. The execution / signature constitutes a legal statement under the penalties of false statement that the information provided in the document is true.
    Official source

    Timing

    Register with the Secretary of the State before transacting business in Connecticut.

    Last verified Oct 25, 2026 — source and quotation
    Sec. 34-275a. Registration to transact business in this state. (a) A foreign limited liability company may not transact business in this state until it registers with the Secretary of the State under sections 34-275 to 34-275i, inclusive.
    Official source

    Penalties for operating without registration

    Cannot maintain an action until registered; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if registered within 90 days after commencing business.

    Last verified Oct 25, 2026 — source and quotation
    A foreign limited liability company transacting business in this state may not maintain an action or proceeding in this state unless it is registered to transact business in this state. … (1) All fees and taxes which would have been imposed by law upon such limited liability company had it duly applied for and received such registration to transact business in this state, and (2) all interest and penalties imposed by law for failure to pay such fees and taxes. A foreign limited liability company is further liable to this state, for each month or part thereof during which it transacted business in this state without a valid foreign registration certificate, in an amount equal to three hundred dollars, except that a foreign limited liability company which has registered with the Secretary of the State not later than ninety days after it has commenced transacting business in this state shall not be liable for such monthly penalty.
    Official source
  2. Corporations

    Required documents

    Application for Certificate of Authority including registered-agent appointment, with authenticated home-state legal-existence certificate received within 90 days of issuance.

    Last verified Oct 25, 2026 — source and quotation
    A foreign corporation desiring to transact business in Connecticut may obtain a Certificate of Authority by filing the Application for Certificate of Authority. The Application includes an appointment of the Registered Agent. A certificate of the corporation’s legal existence (some states refer to this as a certificate of good standing) from the state of incorporation, authenticated by a proper officer of that state, must accompany the Application for Certificate of Authority. Such certificate must be received within 90 days from the date of issuance.
    Official source

    Timing

    Obtain a certificate of authority before transacting business in Connecticut; insurance, surety and indemnity companies follow separate licensing rules.

    Last verified Oct 25, 2026 — source and quotation
    A foreign corporation, other than an insurance, surety or indemnity company, may not transact business in this state until it obtains a certificate of authority from the Secretary of the State.
    Official source

    Penalties for operating without registration

    Cannot maintain a court proceeding until authorized; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if authorized within 90 days after commencing business.

    Last verified Oct 25, 2026 — source and quotation
    A foreign corporation transacting business in this state without a certificate of authority may not maintain a proceeding in any court in this state until it obtains a certificate of authority. … (1) all fees and taxes which would have been imposed by law upon such corporation had it duly applied for and received such certificate of authority to transact business in this state, and (2) all interest and penalties imposed by law for failure to pay such fees and taxes. A foreign corporation is further liable to this state, for each month or part thereof during which it transacted business without a certificate of authority, in an amount equal to three hundred dollars, except that a foreign corporation which has obtained a certificate of authority not later than ninety days after it has commenced transacting business in this state shall not be liable for such monthly penalty.
    Official source
  3. Confirm your next step with the agency

    Review the official instructions for your situation before applying.

    Open the official agency page

How do I keep track of the next deadline?

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What does it cost?

LLCs

Fee

$120

Last verified Oct 25, 2026 — source and quotation
FILING FEE: $120
Official source

Corporations

Fee

$385

Last verified Oct 25, 2026 — source and quotation
FILING FEE: $385
Official source

Confirm the charges and conditions for your application with the official agency.

Which official sources support this guide?

Official sources and verification (8)

Last verified Oct 25, 2026. Each quotation supports the corresponding published value.

LLC / Fee

$120

$120

FILING FEE: $120
Official source

Last verified Oct 25, 2026

LLC / Required documents

Signed Foreign Registration Statement for an LLC, including registered-agent appointment and at least one manager or member.

Signed Foreign Registration Statement for an LLC, including registered-agent appointment and at least one manager or member.

FOREIGN REGISTRATION STATEMENT LIMITED LIABILITY COMPANY … 10. APPOINTMENT OF REGISTERED AGENT FOR SERVICE OF PROCESS (required): … 11. MANAGER OR MEMBER INFORMATION (Required): (Must list at least one Manager or Member of the LLC.) … 12. The document must be executed / signed by an authorized official of the limited liability company. That person must print or type his / her full legal name, state the capacity / title under which he / she signs and provide his/ her signature. The execution / signature constitutes a legal statement under the penalties of false statement that the information provided in the document is true.
Official source

Last verified Oct 25, 2026

LLC / Timing

Register with the Secretary of the State before transacting business in Connecticut.

Register with the Secretary of the State before transacting business in Connecticut.

Sec. 34-275a. Registration to transact business in this state. (a) A foreign limited liability company may not transact business in this state until it registers with the Secretary of the State under sections 34-275 to 34-275i, inclusive.
Official source

Last verified Oct 25, 2026

LLC / Penalties for operating without registration

Cannot maintain an action until registered; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if registered within 90 days after commencing business.

Cannot maintain an action until registered; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if registered within 90 days after commencing business.

A foreign limited liability company transacting business in this state may not maintain an action or proceeding in this state unless it is registered to transact business in this state. … (1) All fees and taxes which would have been imposed by law upon such limited liability company had it duly applied for and received such registration to transact business in this state, and (2) all interest and penalties imposed by law for failure to pay such fees and taxes. A foreign limited liability company is further liable to this state, for each month or part thereof during which it transacted business in this state without a valid foreign registration certificate, in an amount equal to three hundred dollars, except that a foreign limited liability company which has registered with the Secretary of the State not later than ninety days after it has commenced transacting business in this state shall not be liable for such monthly penalty.
Official source

Last verified Oct 25, 2026

Corporation / Fee

$385

$385

FILING FEE: $385
Official source

Last verified Oct 25, 2026

Corporation / Required documents

Application for Certificate of Authority including registered-agent appointment, with authenticated home-state legal-existence certificate received within 90 days of issuance.

Application for Certificate of Authority including registered-agent appointment, with authenticated home-state legal-existence certificate received within 90 days of issuance.

A foreign corporation desiring to transact business in Connecticut may obtain a Certificate of Authority by filing the Application for Certificate of Authority. The Application includes an appointment of the Registered Agent. A certificate of the corporation’s legal existence (some states refer to this as a certificate of good standing) from the state of incorporation, authenticated by a proper officer of that state, must accompany the Application for Certificate of Authority. Such certificate must be received within 90 days from the date of issuance.
Official source

Last verified Oct 25, 2026

Corporation / Timing

Obtain a certificate of authority before transacting business in Connecticut; insurance, surety and indemnity companies follow separate licensing rules.

Obtain a certificate of authority before transacting business in Connecticut; insurance, surety and indemnity companies follow separate licensing rules.

A foreign corporation, other than an insurance, surety or indemnity company, may not transact business in this state until it obtains a certificate of authority from the Secretary of the State.
Official source

Last verified Oct 25, 2026

Corporation / Penalties for operating without registration

Cannot maintain a court proceeding until authorized; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if authorized within 90 days after commencing business.

Cannot maintain a court proceeding until authorized; owes back fees, taxes, interest and penalties, plus $300 per month or part of a month. The monthly penalty does not apply if authorized within 90 days after commencing business.

A foreign corporation transacting business in this state without a certificate of authority may not maintain a proceeding in any court in this state until it obtains a certificate of authority. … (1) all fees and taxes which would have been imposed by law upon such corporation had it duly applied for and received such certificate of authority to transact business in this state, and (2) all interest and penalties imposed by law for failure to pay such fees and taxes. A foreign corporation is further liable to this state, for each month or part thereof during which it transacted business without a certificate of authority, in an amount equal to three hundred dollars, except that a foreign corporation which has obtained a certificate of authority not later than ninety days after it has commenced transacting business in this state shall not be liable for such monthly penalty.
Official source

Last verified Oct 25, 2026

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Last verified Oct 25, 2026.

Official sources (4)

Not legal or tax advice. Confirm with the official agency before filing.