CNBC 2025 · #28 of 50
Connecticut
ModerateRank: #28 of 50
Year-over-year movement
Category breakdown
All 10 CNBC categories — score out of category max, rank among 50 states.
CNBC methodology — 10 categories, 2,500 points max
Founder Snapshot
Lite operational context for Connecticut — what to know before operating here. Sourced public facts, separate from CNBC scores.
Tax posture
Connecticut corporate tax tops out at 7.5% with a 10% surcharge on larger liabilities. Personal income tax is progressive up to 6.99%. Pass-through entity tax (PET) may apply.
Business registration
Register business entities through Connecticut Business Services (Secretary of the State).
Compliance calendar
Annual reports are due to the Secretary of the State; corporate and PET returns follow DRS deadlines.
Source: Connecticut SOS — Annual Reports
Multi-state heads-up
If you operate outside Connecticut or hire remotely — informational, not legal advice.
Remote sales & economic nexus
Remote workers in Connecticut can create income tax withholding obligations for employers.
Source: Connecticut DRS — Withholding
Remote employees & payroll
Marketplace and remote sellers must register once Connecticut economic nexus thresholds are exceeded.
Source: Connecticut DRS — Sales Tax
Also applies across state lines
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If you are incorporated elsewhere but transact business here, you may need to foreign-qualify with the Secretary of State.
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Multi-state operations often trigger registration, withholding, or nexus rules — confirm with official state agencies.
Source: IRS — State government websites
Regulatory Pulse
Recent regulatory changes in Connecticut — sourced public updates for founders operating here.
Connecticut Data Privacy Act (CTDPA)
Connecticut privacy law grants consumer rights and imposes controller obligations including data protection assessments.
Source: Connecticut Attorney General