eCommerce Permits & Licenses in Charleston, SC

Complete guide to permits and licenses required to start a ecommerce in Charleston, SC. Fees, renewal cycles, and agency contacts.

Articles of Organization Filing (LLC Formation)

South Carolina Secretary of State
Required
Fee: $110.00-$110.00
Renewal: one time
Type: registration

Required for all LLCs. Annual report also required ($25 fee, due by 1st day of 5th month after fiscal year end).

Annual Report (LLC)

South Carolina Secretary of State
Required
Fee: $25.00-$25.00
Renewal: annual
Type: registration

All active LLCs must file annually regardless of activity level.

Assumed Name (DBA) Registration

South Carolina Secretary of State
May Apply
Fee: $10.00-$10.00
Renewal: one time
Type: registration

Renewal not required but must refile if name changes. Search availability first.

South Carolina Business License

South Carolina Department of Revenue (SCDOR)
May Apply
Fee: $50.00-$300.00
Renewal: annual
Type: license

Administered at county level but state oversight. eCommerce businesses register in county of office location. Use BL-100 form.

Retail License

South Carolina Department of Revenue (SCDOR)
May Apply
Fee: $50.00-$50.00
Renewal: annual
Type: license

Required for sales tax collection/remittance. Apply via MyDORWAY portal. No renewal but notify DOR of changes.

Sales and Use Tax Registration

South Carolina Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

eCommerce businesses with SC nexus must register, collect 6% sales tax + local options. File returns monthly/quarterly.

South Carolina Sales Tax Permit

South Carolina Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

All eCommerce businesses selling goods delivered to South Carolina customers must collect and remit sales tax if they meet economic nexus thresholds (>$100,000 in sales or 200+ transactions into SC annually). Registration is mandatory via the SC Business One Stop portal.

South Carolina Income Tax Withholding for Pass-Through Entities

South Carolina Department of Revenue
Required
Fee: $0.00-$0.00
Renewal: one time
Type: registration

LLCs taxed as pass-through entities are not subject to corporate income tax, but owners must report their share of income on personal returns. The LLC must file Form 1601 (Annual Pass-Through Entity Income Tax Return) if it has South Carolina source income. No separate 'income tax registration' beyond general business registration.

South Carolina Employer Withholding Tax Registration

South Carolina Department of Revenue
May Apply
Fee: $0.00-$0.00
Renewal: one time
Type: registration

Employers must register for withholding tax and remit state income tax withheld from employee wages. Registration is done through the SC Business One Stop portal. Applies to all employers, including those with remote workers in SC.

South Carolina Unemployment Insurance Tax Registration

South Carolina Department of Employment and Workforce
May Apply
Renewal: one time
Type: registration

All employers with one or more employees must register with DEW and pay unemployment insurance tax. Rate varies by experience rating (0.06% to 10.2% of first $14,000 in wages per employee). New employers start at 2.4%.

South Carolina Annual Report and LLC Registration Renewal

South Carolina Secretary of State
Required
Fee: $130.00-$130.00
Renewal: one time
Type: permit

All LLCs must file an annual report and pay a fee to remain in good standing. This is not a tax but a mandatory compliance requirement. Filed online via the SC Secretary of State portal.

South Carolina Franchise Tax

South Carolina Department of Revenue
May Apply
Fee: $250.00-$250.00
Renewal: annual
Type: permit

LLCs taxed as pass-through entities (default) are exempt. Only LLCs that have elected corporate tax status must pay the $200 franchise tax. Not based on income or capital.

Local Business License or Privilege Tax

Varies by municipality
May Apply
Fee: $25.00-$500.00
Renewal: one time
Type: registration

Most South Carolina counties and cities require a local business license or privilege tax. eCommerce businesses with no physical presence may still need one if they have nexus (e.g., inventory stored locally, employees). Examples: Greenville County ($50), Charleston City ($100). Check with local clerk of court or city office.

South Carolina Sales Tax Filing

South Carolina Department of Revenue
May Apply
Renewal: one time
Type: permit

Filing frequency is assigned by DOR based on average monthly tax liability. High-volume sellers file monthly, lower volume may file quarterly or annually. Due dates vary accordingly.

South Carolina Withholding Tax Filing

South Carolina Department of Revenue
May Apply
Renewal: one time
Type: permit

Employers must file Form WH-301 (Monthly/Quarterly Withholding Tax Return) and remit withheld taxes. Frequency determined by DOR based on liability.

South Carolina Unemployment Insurance Tax Filing

South Carolina Department of Employment and Workforce (DEW)
May Apply
Fee: $8000.00-$8000.00
Renewal: one time
Type: filing

Employers must file Form UI-3/40 (Quarterly Report) and pay unemployment tax. New employers pay 2.4% on first $14,000 of each employee's wages.

County Business License

South Carolina Association of Counties (SCAC) - County Directory
May Apply
Fee: $25.00-$500.00
Renewal: annual
Type: license

All SC counties require a business license for LLCs based on gross revenue/location. eCommerce businesses must report SC-sourced sales. Contact specific county auditor (e.g., Richland County: https://www.richlandcountysc.gov/Departments/Auditor/Business-License)

Municipal Business License

City of Charleston Business License
May Apply
Fee: $100.00-$100.00
Renewal: annual
Type: license

Required in all SC municipalities for eCommerce if located there. Charleston example: https://www.charleston-sc.gov/156/Business-Licenses. Fees scale with revenue; online filing available.

Home Occupation Permit

City of Columbia Planning & Zoning
May Apply
Fee: $50.00-$150.00
Renewal: one time
Type: permit

Most SC cities (e.g., Charleston, Columbia) restrict home-based businesses to no customer traffic, limited employees/storage. No retail sales from home. Greenville: https://www.greenvillesc.gov/542/Home-Based-Business

Zoning Compliance Verification

Varies by city/county planning department
May Apply
Fee: $0.00-$50.00
Renewal: one time
Type: permit

eCommerce storage/shipping may trigger review in residential zones. Confirm use complies with local zoning ordinance (e.g., Richland County Code Ch. 26).

Building Permit

SC Building Codes Council
May Apply
Fee: $50.00-$50.00
Renewal: one time
Type: permit

Required countywide for structural changes. eCommerce warehouse expansions common trigger.

Certificate of Occupancy

Local Building Official
May Apply
Renewal: one time
Type: permit

Issued after zoning/building/fire inspections. Not typically needed for pure online eCommerce without physical space changes.

Fire Safety Inspection/Permit

Charleston Fire Department
May Apply
Fee: $75.00-$300.00
Renewal: annual
Type: permit

eCommerce inventory storage may require if flammable materials present (IFC adoption via local code).

Alarm System Permit

Charleston Police Department
May Apply
Fee: $50.00-$50.00
Renewal: annual
Type: permit

Required in most counties (e.g., Lexington Code § 14-100). eCommerce fulfillment centers often need.

Sign Permit

City of North Charleston Planning
May Apply
Fee: $50.00-$200.00
Renewal: one time
Type: permit

Rarely applies to home-based eCommerce without physical signage.

Health Department Permit

SC DHEC - Local County Health Dept
May Apply
Fee: $100.00-$100.00
Renewal: one time
Type: permit

Local DHEC offices enforce; not for standard eCommerce goods.

Workers' Compensation Insurance

South Carolina Workers' Compensation Commission
May Apply
Fee: $1000.00-$3000.00
Renewal: one time
Type: certificate

Required for all employers with four or more full-time, part-time, or seasonal employees in South Carolina. Sole proprietors and partners are exempt unless they elect coverage. Corporate officers may opt out only by filing Form WC-10.

General Liability Insurance

None (not state-mandated)
Required
Fee: $500.00-$1500.00
Renewal: one time
Type: certificate

Not legally required by South Carolina state law for general business operations. However, strongly recommended for risk mitigation, especially for eCommerce businesses handling customer interactions or third-party logistics. May be required by contracts, landlords, or payment processors.

Professional Liability / Errors and Omissions Insurance

None
Required
Fee: $500.00-$1200.00
Renewal: one time
Type: certificate

Not legally required for standard eCommerce businesses in South Carolina unless offering professional services (e.g., consulting, legal, accounting). Recommended for businesses providing advice or digital services with performance expectations.

Surety Bonds

South Carolina Secretary of State
May Apply
Fee: $100.00-$500.00
Renewal: one time
Type: certificate

Required only for specific tax-liable activities. For example, a fuel dealer bond or cigarette wholesaler bond may be mandated. Not generally required for standard eCommerce retailers unless selling regulated goods. Administered by DOR for tax compliance.

Commercial Auto Insurance

South Carolina Department of Motor Vehicles (SCDMV)
May Apply
Fee: $1200.00-$2500.00
Renewal: one time
Type: certificate

South Carolina requires all motor vehicles registered to a business to carry liability insurance meeting minimums: $25,000 bodily injury per person, $50,000 per accident, $25,000 property damage. Applies to any vehicle used for business purposes, including delivery or transport.

Product Liability Insurance

None
Required
Fee: $500.00-$2000.00
Renewal: one time
Type: certificate

Not a legally mandated insurance in South Carolina. However, strongly recommended for eCommerce businesses selling physical goods due to risk of lawsuits related to defective or harmful products. May be required by third-party marketplaces (e.g., Amazon, Walmart).

Liquor Liability Insurance

South Carolina Department of Revenue
May Apply
Fee: $500.00-$1500.00
Renewal: one time
Type: certificate

Required only if the eCommerce business sells alcohol directly to consumers. Must carry liquor liability insurance as a condition of obtaining a retail alcohol license. Not applicable to general eCommerce businesses not handling alcohol.

Sales Tax License Bond (if applicable)

South Carolina Department of Revenue
May Apply
Fee: $100.00-$500.00
Renewal: one time
Type: certificate

Non-resident eCommerce sellers exceeding $100,000 in annual sales or 200 separate transactions in SC may be required to obtain a sales tax license and post a surety bond (typically $10,000) to guarantee tax remittance. Bond amount varies based on expected tax liability.

South Carolina LLC Annual Report

South Carolina Secretary of State
Required
Fee: $0.00-$0.00
Renewal: one time
Type: permit

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South Carolina Sales Tax Permit (Certificate of Registration)

South Carolina Department of Revenue
May Apply
Renewal: one time
Type: license

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South Carolina Sales‑Tax Return (Form ST‑10)

South Carolina Department of Revenue
May Apply
Renewal: varies
Type: filing

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South Carolina Income‑Tax Return for LLC (Form SC1065)

South Carolina Department of Revenue
May Apply
Renewal: annual
Type: filing

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South Carolina Unemployment Insurance Tax (Employer Quarterly Report)

South Carolina Department of Labor, Licensing & Regulation (DOLLR)
May Apply
Renewal: varies
Type: filing

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South Carolina Workers’ Compensation Insurance

South Carolina Workers’ Compensation Commission
May Apply
Fee: $500.00-$2000.00
Renewal: one time
Type: certificate

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South Carolina Annual Personal Property Tax Return (County Assessor)

South Carolina Department of Revenue – County Assessor Offices
May Apply
Fee: $0.00-$0.00
Renewal: annual
Type: filing

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Federal Employer Identification Number (EIN) Maintenance

Internal Revenue Service (IRS)
Required
Fee: $0.00-$0.00
Renewal: one time
Type: registration

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Federal Quarterly Payroll Tax Returns (Form 941)

Internal Revenue Service (IRS)
May Apply
Renewal: varies
Type: filing

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Federal Annual Federal Unemployment Tax Act (FUTA) Return (Form 940)

Internal Revenue Service (IRS)
May Apply
Renewal: annual
Type: filing

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Federal Annual Income Tax Return (Form 1040 with Schedule C or Schedule E for members)

Internal Revenue Service (IRS)
Required
Renewal: annual
Type: filing

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Federal Labor Law Posters (e.g., FLSA, OSHA, EEOC)

U.S. Department of Labor
May Apply
Renewal: one time
Type: permit

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South Carolina Labor Law Posters (SC Minimum Wage, Workers’ Compensation, Unemployment Insurance)

South Carolina Department of Labor, Licensing & Regulation
May Apply
Renewal: one time
Type: permit

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Record‑Keeping Retention (Tax, Payroll, Corporate)

Internal Revenue Service (IRS) & South Carolina Department of Revenue
Required
Renewal: one time
Type: permit

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Annual Business License Renewal (City/County Business License)

Local municipality (e.g., City of Charleston, County of Greenville)
May Apply
Fee: $50.00-$150.00
Renewal: annual
Type: license

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South Carolina Annual Report for Registered Agent (Secretary of State)

South Carolina Secretary of State
Required
Fee: $25.00-$25.00
Renewal: annual
Type: filing

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South Carolina Annual Corporate Franchise Tax (if electing corporate tax treatment)

South Carolina Department of Revenue
May Apply
Renewal: annual
Type: filing

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Step-by-Step Compliance Guide

  1. First, obtain an Employer Identification Number (EIN) from the IRS, as it’s required for most eCommerce businesses operating as an LLC.
  2. Next, ensure your website complies with ADA Title III requirements, with costs potentially ranging from $1,000 to $50,000 for initial compliance.
  3. You must comply with the Federal Trade Commission’s (FTC) Truth-in-Advertising and Consumer Protection Rules, which have no associated fee.
  4. File your Federal Income Tax Return for your LLC with the IRS; the fee varies depending on your business structure and income.
  5. Comply with FTC regulations regarding online privacy and data security, which may incur a fee between $500 and $10,000.
  6. Maintain thorough record-keeping for all tax and business transactions, as required by the IRS, with no associated fee.
  7. Ensure your advertising and marketing practices adhere to FTC guidelines, which currently have no filing fee.
  8. File Federal Estimated Tax Payments (Form 1040‑ES, 1120‑ES, 1065‑ES) with the IRS on a quarterly or annual basis, with fees varying.

Common Mistakes to Avoid

  • Assuming a general federal business license is required for all eCommerce businesses is incorrect.
  • Ignoring ADA website accessibility requirements can lead to legal issues and potential lawsuits.
  • Failing to file federal income taxes annually with the IRS will result in penalties.
  • Believing FTC compliance is a one-time task; many regulations require ongoing adherence.
  • Overlooking the need for an EIN even if you don’t plan to hire employees is a common error.

Frequently Asked Questions

What is an EIN and why do I need one?

An Employer Identification Number (EIN) is a unique tax ID number assigned by the IRS to businesses operating in the United States. It’s essential for identifying your business for tax purposes and is required for most LLCs, even if you don’t have employees.

How much does it cost to comply with the ADA?

ADA website compliance costs can vary significantly, ranging from $1,000 to $50,000 depending on the complexity of your website and the extent of necessary modifications. The Department of Justice enforces these requirements.

What does the FTC require of eCommerce businesses?

The Federal Trade Commission (FTC) requires eCommerce businesses to adhere to truth-in-advertising standards, protect consumer data, and comply with online privacy regulations. Failure to comply can result in significant penalties.

How often do I need to file federal income taxes?

As an LLC, you generally need to file federal income taxes annually with the IRS, using Form 1120, 1065, or Schedule C depending on your business structure. You may also need to make estimated tax payments quarterly.

Are there any fees associated with FTC compliance?

Many FTC compliance requirements, such as Truth-in-Advertising rules, do not have a direct filing fee. However, some areas like online privacy and data security may incur costs between $500 and $10,000 for implementation and ongoing maintenance.

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