3 Best LLC Services in South Carolina (2026): Prices Tracked
South Carolina watchlist, 2026: SC Registered Agent.org ($199), Mainstay Filing ($199) and South Carolina Registered Agent.co ($199) lead the LLC formation services, best value first. By year three the services have cost $397 to $597. Filing in South Carolina is $110 no matter who you hire.
Tracked by the Filing Price Watch editorial team
Ordered by:
Best value first, using our five measures
South Carolina in numbers
What the state charges to form$110scstatehouse.gov (pulled October 2026, noted here)
Year 1 spread$199Service fees alone
Three-year spread$397 to $597Three years of provider charges
State fees by year three$110Filing, reports, any minimum tax
Cost lines meet inLines stay apartNo service overtakes another
What South Carolina services charge
Service prices only. The $110 state fee applies to every service.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Top pick
1. SC Registered Agent.org: best for companies that never leave the state
$199 to form, $99 a year after
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
SC Registered Agent.org comes out on top. It costs $199 to form with a first agent year included, and later years are $99.
On the heaviest measure, three-year cost, it beats Mainstay Filing.
Price covers
The South Carolina formation filing
A year of agent service to begin with
Holds up
$99 a year from year two
$199 on top of the state fee
Agent included to start
Weak spots
EIN application not included ($99)
2
Works in every state
2. Mainstay Filing: best for budgeting one number
Starts at $199; renews at $199; state fee extra
Price in year 1$199
Price after year 1$199/yr
Three-year spend$597
Spot 2 goes to Mainstay Filing: $199 a year covers the filing and a registered agent, with the EIN application included.
By year three it trails SC Registered Agent.org by $200.
Price covers
Formation paperwork done
Registered agent for the full year
EIN application, prepared for you
State fee at cost
Holds up
EIN application included
$199 the second year
$199 buys the whole bundle
Weak spots
After year one the gap to SC Registered Agent.org is $100
Without a South Carolina report, the bundle does less
3
Home-state provider
3. South Carolina Registered Agent.co: best for a small agent renewal
$199 to form, $99 a year after
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
South Carolina Registered Agent.co places third. It costs $199 to form with a first agent year included, and later years are $99.
Price for price, it matches SC Registered Agent.org.
Three years of state charges means one filing, two reports and any minimum tax. We list open-ended costs such as publication but keep them out of the total.
Why this order for South Carolina
The 37% measure tracked three-year cost separated the top two.
SC Registered Agent.org totals $397 by year three, which is $200 less than Mainstay Filing.
Put the EIN application into the sum and the totals cross at year 2, when Mainstay Filing passes SC Registered Agent.org.
South Carolina LLC filing fee and requirements, as written by the state
You send the Articles of Organization and $110 to the South Carolina Secretary of State (S.C. Code § 33-44-202). Every LLC must name a registered agent with an in-state street address.