Skip to content
Business Basics LabLLC paperwork, measured state by state.

Section 3 · South Carolina

Foreign LLC Registration, South Carolina (2026): 5 Procedures and the 3 Best Services

For registering an LLC formed elsewhere in South Carolina in 2026, the lab recommends Mainstay Filing ($199), SC Registered Agent.org ($199) and South Carolina Registered Agent.co ($199), highest reading first. First establish whether registration applies; 5 procedures and a $110 fee follow.

Recorded by the Business Basics Lab staff ·

Key facts for this sheet

Registration fee
$110Observed at dor.sc.gov; entry dated October 2026
Home-state certificate
30 daysNo older than
Upkeep filing
NoneNo report
State fees, three years
$110Service fees excluded
Procedures on this sheet
5From first to last

On this sheet

  • Which LLCs must register
  • The form and the fee
  • What follows registration
  • Who we would engage to file

Best reading

If you want someone else to file

Five weighted criteria set the order (see how we measure); three-year cost and procedures performed count most.
Begin here

1. Mainstay Filing: best for a second state and beyond

$199 to register, $149 yearly

Mainstay Filing comes first since the South Carolina registration measures $199 plus the state's fee, with the first agent year included.

Three years run $100 higher than at SC Registered Agent.org, in exchange for more of the work being done.

Beyond year one, agent service measures $149 yearly.

What the price performs

  • Filing with the state
  • The same price in each state

Measured strengths

  • $199 plus the state fee
  • The same fee in every state

Measured limits

  • SC Registered Agent.org's agent renewal is $50 lower
Visit Mainstay FilingPartner link. We may earn money if you buy.
Single-state plan

2. SC Registered Agent.org: best for adding South Carolina alone

$199 to register, $99 yearly

SC Registered Agent.org follows in second place: registration reads $199 plus state fees, with year one of the agent already covered.

What the price performs

  • The filing is performed for you
  • Agent service for one year

Measured strengths

  • $199 plus the state fee
  • Then $99 a year
  • A year of agent service is included

Measured limits

  • No help in other states
Visit SC Registered Agent.orgPartner link. We may earn money if you buy.
Single-state plan

3. South Carolina Registered Agent.co: best for a low agent renewal

$199 to register, $99 yearly

South Carolina Registered Agent.co follows in third place: registration reads $199 plus state fees, with year one of the agent already covered.

On price it matches SC Registered Agent.org.

What the price performs

  • The filing is performed for you
  • Agent service for one year

Measured strengths

  • Then $99 a year
  • A year of agent service is included
  • $199 plus the state fee

Measured limits

  • No help in other states
Visit South Carolina Registered Agent.coPartner link. We may earn money if you buy.

Prices in one table

#ServiceFirst yearFrom year twoThree-year total
1Mainstay Filing$199$149/yr$497Visit Mainstay FilingPartner link. We may earn money if you buy.
2SC Registered Agent.org$199$99/yr$397Visit SC Registered Agent.orgPartner link. We may earn money if you buy.
3South Carolina Registered Agent.co$199$99/yr$397Visit South Carolina Registered Agent.coPartner link. We may earn money if you buy.
Prices are recorded from each company's own site on November 13, 2026. Every row also requires the $110 state fee.

Registering with South Carolina, procedure by procedure

  1. Procedure 1: Determine whether registration applies

    LLCs formed outside South Carolina submit a foreign registration in order to transact business here. Without registration: Its own lawsuits wait in South Carolina until registration (S.C. Code 33-44-1008(a)). Contracts already signed stay effective (S.C. Code 33-44-1008(b)).

    Specimen: Observed at dor.sc.gov; entry dated October 2026

  2. Procedure 2: Collect the document from the home state

    Certificate of existence from the home-state Secretary of State is needed, from the previous 30 days.

    TipLeave this procedure until just before filing.

  3. Procedure 3: Arrange a South Carolina registered agent

    Every LLC must name a registered agent with an in-state street address. The address has to be a street address in South Carolina for the agent, stated in the articles. P.O. boxes are not accepted.

    TipEach of the ranked services acts as the registered agent.

    Specimen: Observed at scstatehouse.gov; entry dated October 2026

  4. Procedure 4: Complete and lodge the Application for a Certificate of Authority by a Foreign Limited Liability Company

    the South Carolina Secretary of State accepts the form together with the $110 fee.

    Specimen: Observed at dor.sc.gov; entry dated October 2026

  5. Procedure 5: Follow South Carolina's recurring filing

    The state does not require an annual report from foreign LLCs.

What each procedure costs in South Carolina

LineRecipientTotal
Registration feePayable to the state$110
Optional serviceThe provider$199 at the outset
State fees for three yearsPayable to the state$110
Every state amount here can be verified against the specimens below. The three-year row combines formation, two later reports and a minimum tax where one exists, and it never includes service prices.

How the readings worked out

The deciding criterion was procedures the price performs, worth 28% of the reading.

With the LLC active in two states, coverage decided the order.

South Carolina questions

Which fees does South Carolina collect on foreign registration?

$110 for the filing. Add $199 if a service is engaged.

Which form do I file to register?

Locate the Application for a Certificate of Authority by a Foreign Limited Liability Company (Form F0008); it is delivered to the South Carolina Secretary of State.

Do I need a certificate from my home state?

Yes: certificate of existence from the home-state Secretary of State, issued within 30 days of filing.

What if the LLC does business there without registering?

Its own lawsuits wait in South Carolina until registration (S.C. Code 33-44-1008(a)). Contracts already signed stay effective (S.C. Code 33-44-1008(b)).

What is due after registering?

No recurring report for foreign LLCs in South Carolina.

Which service should handle the registration?

Mainstay Filing reads highest, SC Registered Agent.org and South Carolina Registered Agent.co follow; Mainstay Filing leads on procedures the price performs.

Specimens and records

  1. Control source for S.C: scstatehouse.gov, observed again August 2026.
  2. Control source for South Carolina Business Entities Online: businessfilings.sc.gov, observed again October 2026.
  3. Control source for SC Secretary of State, business entity FAQs: sos.sc.gov, observed again October 2026.
  4. Control source for SC Department of Revenue, corporate FAQs: dor.sc.gov, observed again October 2026.
  5. Control source for S.C: scstatehouse.gov, observed again November 2026.
  6. Recorded November 13, 2026 from the South Carolina service page of Mainstay Filing
  7. Recorded November 13, 2026 from the pricing page of SC Registered Agent.org
  8. Recorded November 13, 2026 from the pricing page of South Carolina Registered Agent.co