3 Best Registered Agents in South Carolina (2026), Step by Step
In South Carolina for 2026, compare Mainstay Filing ($149 a year), South Carolina Registered Agent.co ($99 a year) and SC Registered Agent.org ($99 a year), ranked best first. Prices start at $99 to $149 for the first year and add up to $297 to $447 by year three.
Written by the Simple Filing Guide editorial team
Quick guide
Is it mandatory?
Required
Official term
Registered agent
What services charge
$99 to $149 for each year
Our shortlist
Mainstay Filing, South Carolina Registered Agent.co then SC Registered Agent.org
We read these prices on November 13, 2026, and three years means year one plus two renewals.
Step by step
Is naming a registered agent a legal duty?
Every LLC must name a registered agent with an in-state street address.
Read the rule: S.C. Code § 33-44-108. scstatehouse.gov / October 2026 / confirmed
Can I name anyone?
A South Carolina resident, a South Carolina corporation, another LLC, or a corporation or company from another state authorized to do business in South Carolina.
When you fit the rule, you can fill the role for free.
How much per year for an agent?
$99 to $149 per year, $297 to $447 across three.
State fees stay the same whoever you name.
Why does the state want an agent?
It collects lawsuits and official state mail for the LLC at an address in South Carolina.
Ask how fast the agent tells you when something arrives, so nothing slips past a deadline. Service of process in one line
What recurs besides the agent?
Report cost: none.
What decided the ranking?
Mainstay Filing leads on filing jobs included, which carries 27% of our score.
The two heavy checks are total for three years (37%) and filing jobs included (27%); three lighter checks follow.
Check the reach: only the first pick works in all fifty states, and that matters when your LLC registers elsewhere.