Connecticut Foreign Qualification

Mar 25, 2026

Foreign qualification with the Secretary of State in Connecticut is the process by which a business that was originally formed in another state registers to do business in Connecticut. This allows the business to legally operate in Connecticut and ensures compliance with state laws and regulations.

There are 3 different ways to foreign qualify in Connecticut depending on your legal entity type and tax classification. Follow the guide below to help you register with the Secretary of State in Connecticut or use Mosey to do it.

Use Mosey to register with the Secretary of State in Connecticut.

Connecticut Foreign Registration for LLP

If you are "transacting business" in Connecticut, you must file a Certificate of Authority for a Limited Liability Partnership with the Connecticut Secretary of State. Connecticut has a non-exhaustive list of activities that do not constitute "transacting business" in the state.

  1. Obtain Certificate of Good Standing

    Get a Certificate of Good Standing from your home state, issued within the last 90 days.

  2. Establish a Registered Agent

    Connecticut law requires foreign businesses to continuously maintain a registered office (that may be the same as its place of business) and a registered agent. The agent may be any resident of Connecticut, a corporation formed in the state, or foreign entities who have received a Certificate of Authority in Connecticut, as well as the Secretary of State.

  3. Create a CT.gov Account

    Register an account on CT.gov to be able to electronically file for a Certificate of Authority.

  4. File Certificate of Authority Online

    Log in to CT.gov to electronically file your Certificate of Authority for a Limited Liability Partnership and pay the filing fees with the Connecticut Secretary of State.

Connecticut Foreign Registration for LLC

If you are "transacting business" in Connecticut, you must file a Foreign Registration Statement with the Connecticut Secretary of State. Connecticut has a non-exhaustive list of activities that do not constitute "transacting business" in the state. The name of the foreign limited liability company must contain word or words of LLC designation.

  1. Create a CT.gov Account

    Register an account on CT.gov to be able to electronically file for a Certificate of Authority.

  2. Obtain Certificate of Good Standing

    Get a Certificate of Good Standing from your home state, issued within the last 90 days.

  3. Establish a Registered Agent

    Connecticut law requires foreign businesses to continuously maintain a registered office (that may be the same as its place of business) and a registered agent. The agent may be any resident of Connecticut, a corporation formed in the state, or foreign entities who have received a Certificate of Authority in Connecticut, as well as the Secretary of State.

  4. File Your Foreign Registration Statement

    Log in to CT.gov to electronically file your Foreign Registration Statement.

Connecticut Foreign Registration for Professional Corporation, Corporation

If you are "transacting business" in Connecticut, you must obtain a Certificate of Authority from the Connecticut Secretary of State. Connecticut has a non-exhaustive list of activities that do not constitute "transacting business" in the state. The name of the foreign corporation must contain word or words of corporate designation.

  1. Create a CT.gov Account

    Register an account on CT.gov to be able to electronically file for a Certificate of Authority.

  2. Obtain Certificate of Good Standing

    Get a Certificate of Good Standing from your home state, issued within the last 90 days.

  3. Establish a Registered Agent

    Connecticut law requires foreign businesses to continuously maintain a registered office (that may be the same as its place of business) and a registered agent. The agent may be any resident of Connecticut, a corporation formed in the state, or foreign entities who have received a Certificate of Authority in Connecticut, as well as the Secretary of State.

  4. File for a Certificate of Authority

    Log in to CT.gov to electronically file your application for a Certificate of Authority.

What else do I need to know?

Once you are registered with the Secretary of State, you may have additional requirements to maintain your "good standing" in the state. Failing to do so can result in fines, back taxes, and forfeiting certain priveleges within the state.

Maintaining a Registered Agent

Most states require that you have a registered agent that can receive important mail from the Secretary of State should they need to contact you. There are many commercial options available or you can use Mosey to be your registered agent and keep your information private in Connecticut.

Annual Reports and Taxes

In addition to maintaining a registered agent, most states require you to file a report annually. Registration can also trigger state taxes such as a franchise tax or income tax. You can use Mosey to identify these additional requirements to maintain good standing in Connecticut.

Connecticut's Foreign Qualification Agencies

Review your compliance risks, free.

More from the blog

Learn how to keep your business compliant in all 50 states across payroll, HR, Secretary of State, and tax.

Michigan Earned Sick Time Act (ESTA): Compliance Guide 2025

Sick leave laws in Michigan are set to undergo significant changes starting Feb. 21, 2025. The reinstatement of the Earned Sick Time Act (ESTA) by the Michigan Supreme Court will replace the current Michigan Paid Medical Leave Act (PMLA), which has been in effect since 2019. Mosey is here to help Michigan employers understand the upcoming changes, their implications, and how you can manage state compliance with changing leave laws.

Gabrielle Sinacola | Mar 13, 2025

PEO Alternatives: Finding the Right One for Your Business

Many business owners want simple and effective ways to handle payroll, benefits, and HR without using a professional employer organization (PEO). There are several strong alternatives to PEOs that help businesses manage their teams while staying flexible and in control. These options can save time, cut costs, and still give companies the support they need to grow. Choosing the right solution matters because picking the wrong system can slow down progress, cause confusion, or even lead to mistakes with employees and payroll. That’s why we’re exploring what PEO alternatives are, why businesses look for them, and the key features to watch for when making a choice.

Paul Boynton | May 7, 2025

What Is a Periodic Report & How Is It Created?

Generating reports is one of the most important things you can do as a business owner. You have a lot of things to keep track of, and most importantly, you have a lot of people who would appreciate being kept current on the state of your business and what your path forward will look like. Here’s what business owners should consider when preparing and creating periodic reports for important board members, investors, clients, and stakeholders.

Kaitlin Edwards | Feb 28, 2024

Ready to get started?

Schedule a free consultation to see how Mosey transforms business compliance.