Registering an Out-of-State LLC or Corporation in South Carolina

If your LLC or corporation is already formed in another state and you want to do business in South Carolina, you generally need to register it here first. In South Carolina, this is called a certificate of authority for a foreign entity, and the South Carolina Secretary of State handles it. The filing itself is straightforward. Most delays come from a document you did not know you needed, a home-state certificate that is too old, or a name that is already taken in South Carolina.

This guide covers who needs to register, what to gather, what it costs, how long it takes, and the mistakes that cause rejections.

Disclaimer: This article is informational content, not legal or tax advice. Entity and tax decisions depend on your specific facts. Talk to a qualified South Carolina attorney or CPA before you file, especially if you have employees, real estate, or multistate operations.

Do You Have to Register?

South Carolina requires a foreign entity to obtain authority before it transacts business in the state. The test is the phrase transacting business, and the statutes define it separately for each entity type. For corporations, the rules are in S.C. Code Section 33-15-101. For LLCs, they are in S.C. Code Section 33-44-1003. Both statutes list activities that generally do not count, such as holding meetings and maintaining bank accounts. That list is not a safe harbor. Whether you cross the line depends on how regularly you operate in South Carolina, where your customers and work are located, and where contracts are signed.

A practical rule of thumb: if you keep an office, employees, inventory, or a jobsite in South Carolina, or you regularly sell to or serve customers here, plan to register. If you are unsure, ask the Secretary of State or a South Carolina attorney before you start operating.

What You Need Before You File

• A certificate of existence (or good standing) from your home state, dated no more than 30 days before you submit your application.
• Your exact legal name as it appears in your home-state records, plus a name check on the South Carolina business search at businessfilings.sc.gov.
• A South Carolina registered agent, with the agent's name and street address.
• Your home state, date of formation, and principal office address. Review the full list of required fields when you start the online form.
• A payment method for the state fees listed below.
• A fictitious name, only if your legal name is already taken in South Carolina (see the name section below).

Fees to Budget For

Use this table as a starting point, and confirm each amount on the Secretary of State page before you pay.

Item	Amount	Notes
Foreign LLC certificate of authority	$110	Under S.C. Code Section 33-44-1204
Foreign corporation filing	A $10 charge and a $100 charge, plus the $25 minimum license fee	Under S.C. Code Section 33-1-220. Confirm with the Secretary of State when the $25 is due.
Name reservation (optional)	$25	Holds a name for 120 days. Nonrenewable.
Fictitious name filing	Confirm with the Secretary of State	Needed only if your legal name is taken in South Carolina.
SCDOR Retail License (sellers of tangible goods)	$50 per location	One time and nonrefundable. Applied for through the Business Tax Application on MyDORWAY.
Local business license	Set by each city or county	Confirm with each local government where you operate.

A foreign corporation that pays every filing component at once should budget $135, but confirm the timing of the $25 license fee before you assume it is included.

Step-by-Step: How to File

1. Confirm your home-state status. Check your home state's business records and make sure the entity is active and current on its reports and fees. A certificate cannot be issued for a company that is not in good standing at home.
2. Order the certificate of existence. Request it so that it is dated within 30 days of your planned filing date. If your timeline slips and the certificate ages past 30 days, order a new one. Do not use an older copy from your files.
3. Check name availability. Search the South Carolina records at businessfilings.sc.gov. If your exact name is available, continue to the next step. If it is not, read the name section below before you go further.
4. Choose a South Carolina registered agent. Pick the agent before you file, because the agent's name and address go on the application.
5. Prepare the application. Use the certificate of authority form for your entity type. Enter your exact legal name, home state, formation date, principal office, and registered agent. Attach the home-state certificate of existence.
6. File online. Submit the application through Business Entities Online at businessfilings.sc.gov, pay the fee by the method offered, and save the confirmation.
7. Wait for processing and read the result. Online filings through Business Entities Online are typically returned within 24 to 48 business hours. Mailed and in-person filings take longer, and the Secretary of State does not publish a mail turnaround window. If the filing is rejected, read the reason, correct it, and resubmit.
8. Set up your tax and license accounts. Register with the South Carolina Department of Revenue if your activity requires it, obtain a Retail License if you sell tangible goods, and apply for local business licenses wherever you operate.

The 30-Day Certificate Rule

The home-state certificate of existence must be no more than 30 days old when you submit your application. An expired certificate is the second most common reason the Secretary of State rejects these filings. A typical cause is ordering the certificate weeks early, so it ages out while you finish the rest of the paperwork. Order it the day you are ready to file.

Choosing a South Carolina Registered Agent

S.C. Code Section 33-44-108 requires every foreign LLC authorized to do business in South Carolina to designate and continuously maintain an office and an agent for service of process in the state. The office does not have to be a place of business in South Carolina, but the agent needs a street address here. The agent must be one of the following: an individual resident of South Carolina, a domestic corporation, another limited liability company, or a foreign corporation or foreign company authorized to do business in the state.

The name and address of the registered agent must appear on your formation document. A PO box does not meet the street address requirement. If your agent changes later, file a statement of change with the Secretary of State. Foreign corporations should confirm the agent requirements that apply to them on the Secretary of State application page.

Name Problems and Fictitious Names

If your legal name is already taken in South Carolina, you have several options. The most direct is to file a fictitious name with the Secretary of State so that you can operate in the state under a different name. Confirm the form and fee with the Secretary of State before you file. You can also reserve a name for 120 days for $25, which is useful if you need time to finish your filing or resolve a naming question.

Do not confuse this with a DBA for a domestic business. South Carolina does not have a state-level DBA filing. There is no separate DBA filing: trade names are listed on the local business license and on SCDOR and IRS records, and the South Carolina Business One Stop explains that process at scbos.sc.gov. Foreign corporations and limited partnerships may instead file an assumed or fictitious name with the Secretary of State.

Local and State Licenses

South Carolina has no general statewide business license. Registering with the Secretary of State is not a business license. Most cities levy a local business license tax, and only nine counties do: Beaufort, Charleston, Dorchester, Horry, Jasper, Marion, Orangeburg, Richland, and Sumter. The local license year runs May 1 to April 30, and licenses are due April 30. Renewals are handled at localblrenewal.com. Confirm whether your city or county levies the tax, because the rules differ by jurisdiction.

If you sell tangible goods in South Carolina, you need an SCDOR Retail License. The state sales tax rate is 6 percent. If you prepare or sell food at retail, the South Carolina Department of Agriculture issues the retail food permit, not DHEC, which was split in 2024. Confirm the permit details with the Department of Agriculture.

Out-of-state contractors face additional requirements. Registration in another state does not replace a South Carolina contractor license. You still need a Contractors' Licensing Board (CLB) or Residential Builders Commission (RBC) license as applicable, and a local business license in each jobsite city or licensing county. Commercial contractor licenses apply to work above $10,000, and residential specialty registration applies to work above $500. Confirm the thresholds and classifications with the board that governs your trade.

Ongoing Obligations After Filing

• LLCs: A standard LLC files no annual report and pays no annual franchise or corporate tax in South Carolina, according to the SCDOR. An LLC that elects to be taxed as a corporation has different obligations.
• Corporations: The initial Form CL-1 and its $25 initial license fee are due within 60 days of doing business or using capital in South Carolina. The annual report is filed with the SC1120 or SC1120S and is due by the 15th day of the fourth month after the business year ends. The recurring license fee is 0.1 percent of capital and paid in surplus plus $15, with a $25 minimum. The corporate income tax rate is 5 percent. Confirm with the SCDOR whether the CL-1 applies to your foreign corporation.
• Registered agent: Keep the agent current, and file a statement of change if it changes.
• Home-state filings: Keep your home-state reports current, because the certificate you need for South Carolina depends on your home-state status.

Common Mistakes to Avoid

• Submitting a certificate of existence older than 30 days.
• Ordering the home-state certificate before confirming that the entity is in good standing at home.
• Naming a registered agent without a South Carolina street address, or using a PO box as the agent address.
• Filing under a name that conflicts with a South Carolina record, without a plan for a fictitious name.
• Starting work, signing contracts, or opening a jobsite before the authority is granted.
• Assuming the state filing covers local licenses. Each city or county that levies the tax requires its own license.
• Out-of-state contractors assuming that a home-state license is enough and skipping the CLB or RBC requirement.
• Assuming that the $25 minimum license fee is included in the filing without checking when it is due.

What to Expect as a Result

When the Secretary of State accepts your filing, you should receive confirmation that your entity is authorized to transact business in South Carolina. Many banks, vendors, and agencies ask for that confirmation when you open accounts or begin work, so keep a copy with your formation records. Online filings often return within the 24 to 48 business hour window, but timing can vary with volume and with any rejection that needs correction. Results are not guaranteed, and the obligations that follow depend on your entity type, your activities, and your tax election.

When to Talk to a Professional

A South Carolina attorney can help if your business has a complex ownership structure, employees in the state, real estate, or a dispute over the name. A CPA can help you decide how the corporate or LLC tax treatment affects your filing and your ongoing reporting. The South Carolina Small Business Development Centers at scsbdc.com can also help you plan your next steps. Use this guide as a checklist, and confirm each fee, deadline, and requirement with the agency before you act.