SC · C-Corp formation
Form C Corp in South Carolina
Incorporate a South Carolina C-Corporation: $110 filing fee, 1-2 business days online processing with the South Carolina Secretary of State. Statutory agent included. Growing manufacturing base and business-friendly climate.
Business Formation + Registered Agent
+ $110 SC state filing fee
- South Carolina C-Corp formation ($149 one-time)
- SC Registered Agent — 1 year included ($149/yr after)
South Carolina C-Corp at a glance
Quick reference for incorporating a for-profit C-Corporation in South Carolina with the South Carolina Secretary of State.
| State filing fee | $110 |
|---|---|
| Processing time | 1-2 business days online |
| Filing agency | South Carolina Secretary of State |
| Registered agent | Required — physical SC street address |
| Annual report | Not required |
| Franchise / corporate tax | Corporate license fee + corporate income tax |
| Registered agent (ClearFormation) | Included with formation |
How to form a C-Corp in South Carolina
There are six steps. File Articles of Incorporation with the South Carolina Secretary of State, pay the $110 state fee, and appoint a South Carolina registered agent. Most filings finish in 1-2 business days online.
- 1
Step 1: Name your South Carolina corporation
- Your name must include "Corporation", "Incorporated", "Company", or an abbreviation.
- It must be unique on South Carolina Secretary of State records.
- Search before you file.
- Words like "bank" may need approval.
- ClearFormation runs a name check before we file.
- 2
Step 2: Appoint a South Carolina registered agent
- South Carolina requires an in-state contact with a physical SC street address.
- They accept lawsuits and state mail during business hours.
- Most founders use a commercial agent for privacy.
- ClearFormation includes agent service in all 50 states.
- 3
Step 3: File with the South Carolina Secretary of State
- Submit Articles of Incorporation with the $110 state fee.
- Processing is usually 1-2 business days online.
- You list your name, agent, authorized shares, and incorporator.
- ClearFormation prepares and files online for you.
- 4
Step 4: Issue stock and adopt bylaws
- Hold an organizational meeting: adopt bylaws, appoint directors, elect officers, and issue founder stock.
- If stock vests, file an IRS 83(b) election within 30 days.
- Included with ClearFormation.
- 5
Step 5: Get your EIN from the IRS
- You need an EIN to open a US bank account, hire staff, and file Form 1120.
- The IRS issues EINs for free.
- ClearFormation can file Form SS-4 for you — including for non-US founders without an SSN.
- 6
Step 6: Stay compliant in South Carolina
- South Carolina does not require a corporate annual report.
- Keep your agent active.
- Hold board meetings.
- File corporate tax returns.
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How much does a South Carolina C-Corp cost?
- One-time state filing fee to the South Carolina Secretary of State
- Ongoing state reports and any franchise or income tax
- Federal EIN and annual Form 1120 corporate tax return
One-time South Carolina formation cost
The South Carolina C-Corp filing fee is $110. Bylaws and stock certificates are included with ClearFormation.
Ongoing South Carolina C-Corp cost
South Carolina does not require a corporate annual report. Corporate license fee + corporate income tax. Every C-Corp also files federal Form 1120 and pays 21% federal corporate tax on profits.
What's included with ClearFormation
- Registered agent service bundled into every plan
- Bylaws, stock certificates, and organizational consent
- Optional EIN filing for non-US founders without an SSN
Fees reviewed against South Carolina Secretary of State (last reviewed June 2026).
Ready to file in South Carolina?
State fee is $110. Our formation plan includes your first year of SC registered agent service.
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Post-incorporation checklist for a South Carolina C-Corp
Stamped Articles from the South Carolina Secretary of State create your company legally. Complete these steps in the first 30 days:
1. Adopt bylaws and hold the organizational meeting
- Appoint the initial board and adopt bylaws.
- Elect officers and authorize a bank account.
- Approve the founder stock plan at the organizational meeting.
2. Issue founder stock and file 83(b) elections
- Issue founder shares at par value on day one.
- If stock vests, each founder must file an IRS 83(b) election within 30 days.
- Missing the 83(b) window cannot be fixed later.
3. Get your EIN and open a corporate bank account
- Get a corporate EIN — never use a founder SSN for the business.
- Bring stamped Articles, EIN letter, bylaws, and a board resolution to the bank.
- Keep personal and corporate funds in separate accounts.
4. Lock in tax and compliance calendars
- Federal Form 1120 is due April 15 for calendar-year corps.
- State: South Carolina has no corporate annual report, but you still file state corporate taxes. Corporate license fee + corporate income tax.
- Foreign-owned corps may need Form 5472 with the corporate return.
5. BOI report — only if foreign-formed
- Domestic US corps do not file a BOI report as of March 2025.
- Foreign-formed entities registered in the US must file within 30 days of US registration.
- Annual cadence: board meeting, shareholder meeting, Form 1120, agent renewal, updated cap table.
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Name check, state filing, registered agent, bylaws, and stock certificates in one checkout.
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What is a South Carolina C-Corp?
A South Carolina C-Corp is a for-profit corporation filed with the South Carolina Secretary of State, taxed at the entity level (Form 1120), and built for stock issuance, employee equity, and venture fundraising. For a full LLC vs C-Corp comparison, see our LLC vs C-Corp guide.
Growing manufacturing base and business-friendly climate. Incorporate in SC when you operate primarily here and want a domestic corporation without a Delaware flip. Non-US founders can own 100%.
Why incorporate in South Carolina?
- VC-ready structure — preferred stock, board governance, ISO options.
- One domestic filing — $110 with the South Carolina Secretary of State; simpler than DE + foreign qualification for local operators.
- Limited liability — shareholders are generally not personally liable for corporate debts.
South Carolina C-Corp pros and cons
Drawbacks to weigh before you incorporate:
- Double taxation — corporate profits taxed at 21% federally, then dividends taxed again on personal returns.
- More formalities — annual board and shareholder meetings, minutes, bylaws, and stock ledger maintenance.
- South Carolina corporate tax: Corporate license fee + corporate income tax.
- US VCs often prefer Delaware C-Corp over a South Carolina domestic corporation for priced rounds.
Types of corporations in South Carolina
- C-Corporation — default tax treatment; unlimited shareholders and multiple stock classes.
- S-Corporation — same formation filing, but elect pass-through tax via IRS Form 2553 (100-shareholder cap, one stock class).
- Professional corporation (PC) — may be required for licensed professions; check South Carolina Secretary of State rules.
- Nonprofit corporation — separate filing path if you seek 501(c)(3) status (not covered here).
Is a South Carolina C-Corp right for you?
Compare alternatives before filing:
- LLC in South Carolina — simpler pass-through tax for owner-operated businesses.
- S-Corp vs LLC — payroll tax savings with added compliance.
- LLC vs corporation — full comparison of structures.
- Best state to form a business — if you're weighing South Carolina vs Delaware.
Corporate governance in South Carolina
A South Carolina C-Corp is more formal than an LLC. After the South Carolina Secretary of State approves your filing:
- Adopt corporate bylaws.
- Appoint a board of directors.
- Elect officers (President, Secretary, Treasurer — titles can vary).
- Issue stock to founders at the organizational meeting.
What does a corporate board of directors do?
- Oversees major decisions: budgets, stock issuances, CEO hire, financings.
- Early-stage founders often sit on the board themselves.
- Document decisions in written consents or meeting minutes.
- Skipping minutes is the fastest way to lose corporate veil protection.
What kind of stock can I issue?
- Authorize common stock for founders in your Articles of Incorporation.
- Reserve preferred stock for future investors when needed.
- List authorized share counts and par value on the formation document.
- ClearFormation includes bylaws and stock certificates for founder issuance.
Officers and day-to-day operations
- Officers run daily operations; the board sets strategy.
- A solo founder can be the sole director and hold all officer roles.
- Update cap table, bylaws, and board composition as you add co-founders or investors.
Foreign entities doing business in South Carolina
- Out-of-state corps with staff, offices, or major sales in South Carolina may need to register as a foreign corporation with the South Carolina Secretary of State.
- That filing needs a SC registered agent with a physical in-state address — included with ClearFormation.
- If you incorporate in South Carolina but operate elsewhere, you may need to foreign-qualify in those states instead.
- See our foreign qualification guide or get a SC registered agent.
South Carolina Secretary of State contact information
- File Articles of Incorporation with the South Carolina Secretary of State.
- Search the state business database to confirm your name is available.
- Keep stamped formation docs with your bylaws, stock certificates, and EIN letter for banking and investors.
How is a South Carolina C-Corp taxed?
A South Carolina C-Corp pays tax at these levels:
- Files IRS Form 1120 and pays 21% federal corporate income tax on profits.
- Dividends to shareholders are taxed again on personal returns — the classic double tax.
- State level: Corporate license fee + corporate income tax
You can elect S-Corp treatment (Form 2553) if you meet IRS rules. See S-Corp vs LLC. Operating outside South Carolina? You may need to foreign-qualify elsewhere.
Quarterly estimated taxes and payroll
- Profitable C-Corps often pay quarterly estimated federal tax (Form 1120-W).
- With employees in South Carolina, withhold payroll taxes and file state unemployment returns.
- Budget for CPA support — corporate compliance is heavier than a pass-through LLC.
Foreign-owned C-Corps
- 25%+ foreign ownership may require IRS Form 5472 with the corporate return.
- Non-US founders should plan for this from incorporation day.
How to dissolve a South Carolina corporation
- Get board and shareholder approval to dissolve.
- File Articles of Dissolution with the South Carolina Secretary of State.
- Pay outstanding state taxes and cancel foreign registrations.
- File a final IRS Form 1120. Skipping formal dissolution can trigger ongoing report fees.
Common South Carolina C-Corp mistakes
- Missing the 83(b) election window. Founders with vesting stock must file within 30 days of issuance — there is no extension.
- Skipping board meetings and minutes. Corporate formalities preserve the liability shield; skipping them is the #1 veil-piercing risk.
- Commingling personal and corporate funds. Use a dedicated corporate bank account from day one.
- Missing registered agent renewals. Can cost you good standing or trigger administrative dissolution.
C-Corp vs LLC in South Carolina: which should you form?
Both entities give you the same liability shield. The main differences are tax, ownership, and fundraising options.
Form an LLC in South Carolina if
- You want pass-through tax with less paperwork.
- You do not plan to raise US venture capital.
- You run a consulting firm, agency, store, or freelance business.
Form a C-Corp in South Carolina if
- You plan to raise from VCs or angels via SAFEs.
- You want to grant ISO stock options to employees.
- You need multiple share classes for investors.
Rule of thumb: US VCs usually prefer a Delaware C-Corp. A South Carolina C-Corp fits local operating businesses not on the VC track.
South Carolina C-Corp questions
Also for South Carolina founders: Form an LLC in South Carolina · South Carolina registered agent
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