CNBC 2025 · #18 of 50
South Carolina
ModerateRank: #18 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 South Carolina — what to know before operating here. Sourced public facts, separate from CNBC scores.
Tax posture
South Carolina corporate income tax is 5%. Personal income tax tops out at 6.2% (2025). License fees apply to many entities.
Business registration
Register entities through the South Carolina Secretary of State Business Filings.
Compliance calendar
Annual reports are due by the end of the month following the anniversary of formation; corporate returns follow DOR deadlines.
Multi-state heads-up
If you operate outside South Carolina or hire remotely — informational, not legal advice.
Remote sales & economic nexus
Remote sellers must collect South Carolina sales tax once economic nexus thresholds are exceeded.
Source: South Carolina DOR — Sales Tax
Remote employees & payroll
South Carolina employers register for withholding and unemployment insurance.
Source: South Carolina DOR — Withholding
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 South Carolina — sourced public updates for founders operating here.
South Carolina Financial Identity Fraud and Identity Theft Protection Act
Businesses must notify South Carolina residents of security breaches involving personal information.
Source: South Carolina Attorney General