CT License and Permit Center.

Apply. Renew. Verify.

CT License and Permit Center.

Apply. Renew. Verify.

The Credentials That Keep Your Business Running 

Maintaining valid business credentials is crucial because it enables you to sell your products and services.

Whether it's a permit, license, or professional certification, you can renew your credentials right here at Business One Stop.

Are you unsure of all the licenses your business may need? Our new digital business assistant. can help with that. In a few quick steps, you'll find the most common licenses required for your industry.

You can find some frequently-requested business credentials by clicking the links below:

Dept. of Consumer Protection (DCP)
For construction-related, food and beverage, drug manufacturers, pharmacies, real estate, telecommunications, etc.

Department of Public Health (DPH)
Drinking water, environmental, emergency medical services, healthcare facilities, and restaurants, etc.

Dept. of Administrative Services (DAS)
For construction, crane operators, fire codes, small businesses, etc.

Dept. of Energy and Environmental Protection (DEEP)
For environmental, air quality, land use, water, waste, recycling, remediation, pesticides, etc.

Department of Transportation (DOT)
For trucking, traffic, advertising and signage, and public transportation permits, etc.

Department of Agriculture (DoAG)
Dairy, livestock and poultry, agricultural, and pet licenses, etc. 

Department of Developmental Services (DDS)
Community companion and living arrangement licenses, medication administration certification, etc. 

Department of Revenue Services (DRS)
Taxes on cigarettes and tobacco products. 


Obtain your proper licenses and permits.
Look up your business credentials.
Verify Your Credentials
Here's how to look up or verify licenses, permits, and registrations in CT.
Look Up a Credential Now
Fill out your industry specific license and permit forms today.
Generate a Roster of Credentials
Download a roster of your licenses and permits direct to your device.
Generate a Roster Now
How to look up a license