What is double taxation and how does it affect South Carolina C-Corps?

Double taxation means C-Corporations pay corporate income tax on profits, then shareholders pay additional taxes when those profits are distributed as dividends. In South Carolina, your C-Corp first pays the state corporate income tax of 5% plus the federal rate of 21% on net profits. When you distribute remaining earnings as dividends to shareholders, those individuals then owe South Carolina individual income tax (1.99% on taxable income under $30,000, then 5.21%) plus federal dividend tax rates up to 20%. For South Carolina LLC owners, this matters significantly: LLCs avoid double taxation through pass-through taxation, where profits are taxed only once at individual member tax rates. To determine if your business should elect C-Corp taxation despite this disadvantage, consult a South Carolina CPA about your specific profit distribution plans and reinvestment strategy.

When would a C-Corp actually save money on taxes in South Carolina?

A C-Corp saves money in South Carolina when you retain profits inside the corporation rather than distributing them as dividends, since South Carolina's corporate income tax rate is a flat 5% (on top of the 21% federal rate) compared to individual rates of 1.99% on taxable income under $30,000, then 5.21%, and you avoid the 15.3% self-employment tax on retained earnings. Whether a C-Corp lowers the total tax depends on your profit, how much of it stays in the business and your own tax bracket, so run the figures with a tax professional. Additionally, C-Corps can deduct 100% of health insurance premiums, retirement plan contributions, and other employee benefits through the South Carolina Department of Revenue (SCDOR), reducing taxable income dollar-for-dollar. A South Carolina C-Corp files Form SC1120 (Corporate Income Tax Return) each year. However, you'll face double taxation when eventually distributing profits as dividends unless structured carefully. Consult a South Carolina CPA to compare your specific income level against the 21% corporate rate before electing C-Corp status with the SCDOR.

Can I convert my South Carolina LLC to a C-Corporation later?

Yes, you can turn your South Carolina LLC into a C-Corporation. How you do it depends on the filing options South Carolina offers: some states let an LLC convert in a single filing, and others have you form a new corporation and move the business into it. Check which route applies with the state office that handles business filings before you start. The tax result of a conversion depends on how it is done and on the business's assets and debts, so talk to a tax professional before converting.

Why do venture capital firms prefer C-Corporations over LLCs?

Mainly because of investor documents and tax, not because an LLC is legally barred from giving investors preferred terms. Venture capital funds typically invest through convertible preferred stock, on standard deal documents written for corporations, usually Delaware corporations. An LLC can create a preferred class of membership interests in its operating agreement, with a liquidation preference, anti-dilution protection and board seats, so the difference is not that a South Carolina LLC cannot offer those terms. It is that every term has to be custom-drafted, and that an LLC taxed as a partnership passes its income through to each member on a Schedule K-1. That can give a fund's tax-exempt investors, such as pension funds and endowments, unrelated business taxable income, and its foreign investors income effectively connected with a U.S. business, which many funds are set up to avoid. A C corporation also unlocks two federal tax benefits an LLC taxed as a partnership does not get: incentive stock options, and the Section 1202 qualified small business stock exclusion, which can remove part or all of the federal tax on gain from C corporation stock held long enough if the company meets that section's requirements. If you plan to raise venture capital, forming as a C corporation, or converting before your first priced round, is the usual path. Converting an existing LLC is possible but can have tax consequences, so get tax advice before you do it.

What additional fees and taxes do South Carolina C-Corps pay beyond LLCs?

South Carolina C-Corps pay a $135 filing fee to the Secretary of State compared to $110 for LLCs, a $25 difference. Beyond incorporation, C-Corps owe an annual franchise tax calculated by the South Carolina Department of Revenue based on your corporation's capital stock and paid-in capital, starting at a minimum of $25 annually but potentially reaching hundreds of dollars for well-capitalized businesses. You'll also pay South Carolina's 5% corporate income tax on net profits, whereas S-Corps and LLCs typically avoid entity-level taxation. C-Corps must file Form SC1120 (Corporate Income Tax Return) annually with the Department of Revenue, plus maintain more rigorous compliance records including board meeting minutes and formal resolutions. For LLC owners, this means C-Corp structures cost substantially more annually, easily $500 to $1,500+ depending on your capital structure, making C-Corps economically impractical unless you're reinvesting profits or attracting outside investors who specifically require the C-Corp structure. File your articles of incorporation with the South Carolina Secretary of State's Business Services Division and consult with a CPA about your state's current franchise tax brackets before deciding on your entity type.

Which business structure should most small businesses in South Carolina choose?

Most small businesses in South Carolina should choose an LLC structure because of pass-through taxation, operational simplicity, and lower filing fees. South Carolina LLC formation costs $110 with the Secretary of State (no additional initial license fee), compared to C-Corp incorporation at $135 total, which already includes the $25 CL-1 initial license fee. This means immediate annual savings on compliance costs. LLCs avoid double taxation, profits pass through to your personal tax return without entity-level taxation, reducing your overall tax burden unless you're in the highest federal brackets. You'll also skip the mandatory corporate formalities like annual shareholder meetings and detailed minutes that the South Carolina Secretary of State requires for C-Corps. Choose a C-Corp only if you're actively seeking venture capital funding, plan to retain profits indefinitely for reinvestment, or if South Carolina's corporate tax rate (5%) plus federal rates would genuinely cost less than self-employment taxes on LLC income. File your LLC Articles of Organization with the South Carolina Secretary of State's Business Filings Division today to establish pass-through tax treatment immediately.

South Carolina LLC vs C-Corp: Choose the Right Business Structure in 2026

Understand the key differences between LLCs and C-Corporations in South Carolina to make the best choice for your business goals, taxes, and growth plans.

By Edmond Hui · Last updated: October 2026

In South Carolina, an LLC fits when you want simple tax filing and pass-through taxation benefits; a C-corp fits when you plan to reinvest significant profits back into the business. Compare both structures in detail below.

Read this guide for another state:

Affiliate disclosure: We may earn a commission at no extra cost to you.

Form your LLC with Northwest ($39 + state fee)Includes a year of registered agent service. After year one, registered agent service is $125/yr. That also enrolls you by default in Northwest's renewal service, which charges your saved payment method $100, plus any state fee or tax it pays for you, each time it handles a state filing for you, cancellable any time.

Not sure which service is right? Compare formation services →

Comparison chart for South Carolina LLC versus C-Corp, contrasting liability, taxation and ongoing filing burden across 8 factors. — Side-by-side on the factors that decide the choice, for South Carolina. Source: South Carolina Secretary of State.

LLC vs C-Corp: Side-by-Side

Factor	LLC	C-Corp
Formation cost	$110 state filing fee only	$135 state filing fee (already includes the $25 initial corporate license fee)
Taxation structure	Pass-through taxation (profits taxed once on personal returns)	Double taxation (corporate income tax + shareholder dividend tax)
Ownership limits	Unlimited members, flexible ownership structure	Unlimited shareholders, multiple stock classes allowed
Self-employment / payroll tax	92.35% of profits subject to self-employment tax (15.3%), with the 12.4% Social Security part capped at the annual wage base	Owner-employees pay payroll tax only on salary
Investor appeal	Limited appeal to institutional investors and VCs	Preferred structure for venture capital and IPO plans
State taxes in South Carolina	Pass-through income taxed at SC individual rates (0% to 7%)	5% corporate income tax plus annual franchise tax
Administrative complexity	Minimal requirements, simple operating agreement	Board meetings, corporate resolutions, detailed record-keeping
Profit distribution	Flexible profit sharing among members	Dividends distributed proportional to stock ownership

When an LLC Makes More Sense

You want simple tax filing and pass-through taxation benefits
Your business has few owners who actively participate in operations
You prefer flexible profit sharing and minimal administrative requirements
You don't plan to seek venture capital funding or go public

When a C-Corp Makes More Sense

You plan to reinvest significant profits back into the business
You want to attract venture capital investors or plan an eventual IPO
You need to provide tax-deductible employee benefits like health insurance
Your business generates high profits and C-Corp tax rates would be lower

Tax Deep Dive

LLC Default Tax

South Carolina LLCs enjoy pass-through taxation by default, meaning business profits flow directly to members' personal tax returns and are taxed at South Carolina's individual rates (1.99% on taxable income under $30,000, then 5.21%). This eliminates double taxation but subjects all profits to self-employment tax at the federal level.

C-Corp Tax

C-Corporations in South Carolina face double taxation: the business pays 5% state corporate income tax plus 21% federal corporate tax, then shareholders pay additional taxes on any dividends received.

When a C-Corp Wins

C-Corporations become tax-advantageous in South Carolina when retaining significant earnings for growth (avoiding dividend taxes), seeking venture capital (investors prefer C-Corps), or when the combined corporate tax rates are lower than the owner's individual tax bracket plus self-employment taxes. The 5% South Carolina corporate rate compares with individual rates of 1.99% on taxable income under $30,000, then 5.21%.

Calculate Your Tax Savings in South Carolina

Enter your profit and filing status to compare estimated annual taxes for LLC, S-Corp, and C-Corp side by side, specific to South Carolina.

This guide is general information, not legal or tax advice, and reading it does not create an attorney-client relationship. It reports published tax rates and statutory attributes, with the sources this page cites. It cannot tell you which structure is better for you: that turns on your profit, the salary you could defend as reasonable compensation, every state you owe tax in, and plans for owners, investors and exit that no figure on this page measures. Confirm your own position with a CPA or tax attorney licensed in your state before you elect anything, because some elections are slow or costly to reverse.

Frequently Asked Questions

: Double taxation means C-Corporations pay corporate income tax on profits, then shareholders pay additional taxes when those profits are distributed as dividends. In South Carolina, your C-Corp first pays the state corporate income tax of 5% plus the federal rate of 21% on net profits. When you distribute remaining earnings as dividends to shareholders, those individuals then owe South Carolina individual income tax (1.99% on taxable income under $30,000, then 5.21%) plus federal dividend tax rates up to 20%. For South Carolina LLC owners, this matters significantly: LLCs avoid double taxation through pass-through taxation, where profits are taxed only once at individual member tax rates. To determine if your business should elect C-Corp taxation despite this disadvantage, consult a South Carolina CPA about your specific profit distribution plans and reinvestment strategy.
: A C-Corp saves money in South Carolina when you retain profits inside the corporation rather than distributing them as dividends, since South Carolina's corporate income tax rate is a flat 5% (on top of the 21% federal rate) compared to individual rates of 1.99% on taxable income under $30,000, then 5.21%, and you avoid the 15.3% self-employment tax on retained earnings. Whether a C-Corp lowers the total tax depends on your profit, how much of it stays in the business and your own tax bracket, so run the figures with a tax professional. Additionally, C-Corps can deduct 100% of health insurance premiums, retirement plan contributions, and other employee benefits through the South Carolina Department of Revenue (SCDOR), reducing taxable income dollar-for-dollar. A South Carolina C-Corp files Form SC1120 (Corporate Income Tax Return) each year. However, you'll face double taxation when eventually distributing profits as dividends unless structured carefully. Consult a South Carolina CPA to compare your specific income level against the 21% corporate rate before electing C-Corp status with the SCDOR.
: Yes, you can turn your South Carolina LLC into a C-Corporation. How you do it depends on the filing options South Carolina offers: some states let an LLC convert in a single filing, and others have you form a new corporation and move the business into it. Check which route applies with the state office that handles business filings before you start. The tax result of a conversion depends on how it is done and on the business's assets and debts, so talk to a tax professional before converting.
: Mainly because of investor documents and tax, not because an LLC is legally barred from giving investors preferred terms. Venture capital funds typically invest through convertible preferred stock, on standard deal documents written for corporations, usually Delaware corporations. An LLC can create a preferred class of membership interests in its operating agreement, with a liquidation preference, anti-dilution protection and board seats, so the difference is not that a South Carolina LLC cannot offer those terms. It is that every term has to be custom-drafted, and that an LLC taxed as a partnership passes its income through to each member on a Schedule K-1. That can give a fund's tax-exempt investors, such as pension funds and endowments, unrelated business taxable income, and its foreign investors income effectively connected with a U.S. business, which many funds are set up to avoid. A C corporation also unlocks two federal tax benefits an LLC taxed as a partnership does not get: incentive stock options, and the Section 1202 qualified small business stock exclusion, which can remove part or all of the federal tax on gain from C corporation stock held long enough if the company meets that section's requirements. If you plan to raise venture capital, forming as a C corporation, or converting before your first priced round, is the usual path. Converting an existing LLC is possible but can have tax consequences, so get tax advice before you do it.
: South Carolina C-Corps pay a $135 filing fee to the Secretary of State compared to $110 for LLCs, a $25 difference. Beyond incorporation, C-Corps owe an annual franchise tax calculated by the South Carolina Department of Revenue based on your corporation's capital stock and paid-in capital, starting at a minimum of $25 annually but potentially reaching hundreds of dollars for well-capitalized businesses. You'll also pay South Carolina's 5% corporate income tax on net profits, whereas S-Corps and LLCs typically avoid entity-level taxation. C-Corps must file Form SC1120 (Corporate Income Tax Return) annually with the Department of Revenue, plus maintain more rigorous compliance records including board meeting minutes and formal resolutions. For LLC owners, this means C-Corp structures cost substantially more annually, easily $500 to $1,500+ depending on your capital structure, making C-Corps economically impractical unless you're reinvesting profits or attracting outside investors who specifically require the C-Corp structure. File your articles of incorporation with the South Carolina Secretary of State's Business Services Division and consult with a CPA about your state's current franchise tax brackets before deciding on your entity type.
: Most small businesses in South Carolina should choose an LLC structure because of pass-through taxation, operational simplicity, and lower filing fees. South Carolina LLC formation costs $110 with the Secretary of State (no additional initial license fee), compared to C-Corp incorporation at $135 total, which already includes the $25 CL-1 initial license fee. This means immediate annual savings on compliance costs. LLCs avoid double taxation, profits pass through to your personal tax return without entity-level taxation, reducing your overall tax burden unless you're in the highest federal brackets. You'll also skip the mandatory corporate formalities like annual shareholder meetings and detailed minutes that the South Carolina Secretary of State requires for C-Corps. Choose a C-Corp only if you're actively seeking venture capital funding, plan to retain profits indefinitely for reinvestment, or if South Carolina's corporate tax rate (5%) plus federal rates would genuinely cost less than self-employment taxes on LLC income. File your LLC Articles of Organization with the South Carolina Secretary of State's Business Filings Division today to establish pass-through tax treatment immediately.

Sources

7 documents

Each entry below is a document recorded in our verified South Carolina sources, and each entry says what the document is. Some statutory text is read from an accurate mirror rather than from the state's own host, and those say so. Where we hold the citation but no stable public link, the citation is printed on its own rather than pointed at a guessed address.

Federal statute: Section 422 of the Internal Revenue Code (incentive stock options)
Federal statute: IRC Section 1202 (qualified small business stock)
Federal statute: IRC Section 422 (incentive stock options)
Federal statute: IRC Section 512(c) (unrelated business taxable income from partnerships)
Federal statute: IRC Section 875 (partners of partnerships engaged in a U.S. trade or business)
sos.sc.gov/online-filings/business-entitiesSouth Carolina Secretary of State: business entity filings
scstatehouse.gov/code/t33c044.phpSouth Carolina LLC filing fees

More for South Carolina LLCs

Start and set up

Taxes, money and growth

Stay compliant

Operate in other states

Compare structures

By owner type

By profession

Forming an LLC in South Carolina?

See how Northwest Registered Agent, Bizee, ZenBusiness and LegalZoom, the formation services we partner with, compare on 3-year cost, BBB rating and Trustpilot score before you choose.

Compare Services →

Ready to Form Your South Carolina LLC?

Affiliate disclosure: We may earn a commission at no extra cost to you.

Not sure which service is right? Compare formation services →

Edmond Hui · Founder, MyStateLLC

Edmond Hui is a software engineer and serial entrepreneur based in New York who has founded multiple online businesses across e-commerce, media, and information publishing. Before transitioning into tech, he spent years as a commercial real estate professional closing deals totaling over 100,000 square feet, giving him firsthand experience with business formation and entity structuring. He built MyStateLLC to provide the free, state-specific LLC guidance he wished existed when forming his own companies.

How we check facts

LLC vs C-Corp: Side-by-Side

When an LLC Makes More Sense

When a C-Corp Makes More Sense

Tax Deep Dive

LLC Default Tax

C-Corp Tax

When a C-Corp Wins

Calculate Your Tax Savings in South Carolina

Frequently Asked Questions

Sources

More for South Carolina LLCs

Start and set up

Taxes, money and growth

Stay compliant

Operate in other states

Compare structures

By owner type

By profession

Ready to Form Your South Carolina LLC?

More South Carolina LLC Guides

Related guides