Name and Register a Business in Connecticut
Official Connecticut business links and the industries with the most locations in the state.
Official Connecticut business registration links
- Connecticut Secretary of the State
- Connecticut Department of Revenue Services
- Connecticut Department of Labor
- Connecticut Unemployment Insurance Tax Information
- Connecticut state website
- Occupational Professional Licensing Division
- Department of Economic and Community Development
- New Hire Registry
- Small Business Administration - Connecticut
- Index of State Agencies
- Advance CT
- Department of Administrative Services
- Connecticut Cities and Towns Listings
Official state agency links as listed by the IRS on its Connecticut state links page. Filing fees and steps change, so confirm current requirements with the agency before you file.
Industries with the most locations in Connecticut
- Full-Service Restaurants (3,450)
- Limited-Service Restaurants (2,839)
- Offices of Physicians (except Mental Health Specialists) (2,775)
- Landscaping Services (2,258)
- Offices of Lawyers (1,998)
- Offices of Dentists (1,628)
- Religious Organizations (1,592)
- Securities Brokerage (372)
- Women's Clothing Stores (271)
- All Other Miscellaneous Store Retailers (except Tobacco Stores) (190)
- Public Relations Agencies (77)
- Process, Physical Distribution, and Logistics Consulting Services (69)
- Historical Sites (23)
- All Other Automotive Repair and Maintenance (17)
- Industrial Building Construction (12)
- Satellite Telecommunications (6)
Location counts: U.S. Census Bureau, County Business Patterns 2022.
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