Connecticut's business portal
Business.CT.gov
The state’s official one-stop guide to starting, registering, licensing and managing a business.
START WITH THE BASICSStarting, Licenses & Taxes
Connecticut registrations, licenses, permits and official business information in one place.
StartRegisterLaunch
Start with a clear checklist
Before you open for business
Use Connecticut's new business checklist to identify the steps that apply to your business.
- Confirm your business name and registration. Check state filing requirements before using the name publicly.
- Check licenses and local rules. Requirements depend on your activity and location; contact your town about zoning or local permits.
- Set up the right tax accounts. Review state registration and sales tax requirements before collecting tax or hiring.
- Keep track of renewals. Note any license, permit and annual report dates that apply.
Register + manage state taxes
Connecticut Department of Revenue Services
Register for a Connecticut tax number, file returns and manage business tax accounts through myconneCT.
Related helpTax portalOpen myconneCT↗
Licenses + permits
CT Department of Consumer Protection
Check which state credentials your business may need and access license applications and renewals.
Business filings
CT Secretary of the State Business Services
Search Connecticut business records, manage filings and check annual report information.
Government contracts
CT APEX Accelerator
No-cost counseling, certifications and bid support for businesses pursuing government contracts.
Freshen Up Your Written Information Security Plan
IRS guidance for businesses and tax professionals reviewing their security plans
Review IRS guidance →