Sales Tax Registration

Register for sales tax accounts in any United States jurisdiciton.

Sales Tax Nexus Determination

Find out where you are required to collect sales and use tax in jurisdictions across the nation. 

Sales Tax Return Filing

Affordable sales tax return filing for any business type and size.

Audit Assistance

We can help you through the audit process, keeping your rights intact and potentially reducing the amount of tax, penalty, and interest assessed. 

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Connecticut Sales Tax
Sales Tax by State Guide for Businesses

Sales Tax Faqs

Economic Threshold Sales: 100,000/year
Statewide Tax Rate: 6.35%
Marketplace Facilitator Law: Yes

Contact Information

Connecticut Department of Revenue

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More Resources

Get informed on how each seller platform collects sales tax, marketplace facilitator laws, and more