Starting a New Business

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COVID-19 Information: Connecticut residents are urged to continue taking precautions to prevent the spread of COVID-19. Get the facts at ct.gov/coronavirus.

The Department of Revenue Services will be closed on Thursday, November 26th, for the Thanksgiving holiday.

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- Walk-in services at all DRS branch office locations remain suspended.

- Please check our COVID-19 Response FAQ's

Starting a New Business

Registering your Business (Applying for a Tax Registration Number)
Obtaining a Tax Clearance - (Buying an existing business)
Welcome New Business (Recently registered with DRS)

Resources

Getting Started in Business - (A comprehensive guide)
Other Registration Applications (Cigarette tax, motor carrier, motor fuel, etc.)
Publications to Assist you
Sales and Corporate Tax Guides
CT-CLIC.com State of Connecticut Licensing and Registration Needs

Connecticut State Department of Revenue Services

Starting a New Business