Professional Liability Insurance in South Carolina

South Carolina at a glance

Primary Regulator

South Carolina Department of Insurance

Responsible for carrier solvency and policy form review.

Statute of Limitations

3 Years

Generally triggered by the discovery of the injury.

Statute of Repose

8 Years

The absolute outer limit for most professional negligence claims.

Legal Requirement

Affidavit of Merit (S.C. Code § 15-36-100)

Expert verification must be filed with the initial lawsuit.

The Discovery Rule and the Three-Year Limit

Under South Carolina Code § 15-3-530, a three-year statute of limitations applies to most professional negligence and breach of contract actions. However, South Carolina is a 'discovery rule' jurisdiction, meaning the three-year period does not begin to run until the plaintiff knew, or by the exercise of reasonable diligence should have known, that they had a cause of action. This means that a professional's exposure can extend well beyond three years if the error was hidden or if its financial consequences did not manifest immediately.

To mitigate this indefinite exposure, South Carolina enforces a 'Statute of Repose' under § 15-3-640. For many professionals, this provides an absolute deadline—often eight years—after which no claim can be brought, regardless of when it was discovered. For South Carolina businesses, this legal structure makes 'Prior Acts' coverage a critical component of their E&O policy. It ensures that work completed several years ago remains covered if a client suddenly 'discovers' a mistake and files a suit within the three-year window but before the repose period expires.

Expert Witness Affidavits and Defense Costs

South Carolina law requires that a plaintiff filing a professional negligence lawsuit must also file an 'Affidavit of Merit' along with the initial complaint (S.C. Code § 15-36-100). This affidavit must be signed by a qualified expert who identifies at least one negligent act and provides a factual basis for the claim. This requirement acts as a filter against meritless lawsuits, ensuring that a professional is not forced into expensive discovery without a preliminary showing of technical fault.

Despite this protection, the cost of defending a claim in South Carolina remains high because the professional must hire their own experts to counter the plaintiff's affidavit. A high-quality professional liability policy will cover these expert fees, which can quickly reach into the tens of thousands of dollars. Professionals should verify whether their policy includes 'Defense Outside the Limits,' which prevents these legal and expert costs from reducing the amount of insurance available to pay for a settlement or judgment.

LLR Oversight and Professional Discipline

The South Carolina Department of Labor, Licensing and Regulation (LLR) oversees dozens of professional boards, including those for Accountancy, Architecture, and Real Estate. These boards have the power to investigate and discipline professionals independently of any civil litigation. A professional may successfully defend a civil lawsuit but still face a public reprimand or license suspension from the LLR. This administrative risk is why many South Carolina E&O policies include 'Disciplinary Proceedings Defense' coverage, which pays for legal counsel to represent the professional during board hearings.

The SCDOI regulates the insurance market itself, ensuring that carriers are financially sound and that their policy forms are not deceptive. As South Carolina's economy shifts toward high-tech manufacturing and professional services in hubs like Greenville and Charleston, the SCDOI has seen an increase in complex E&O filings. These include hybrid policies that cover not just professional advice, but also the cyber risks that come with modern digital service delivery, reflecting the evolving nature of professional liability in the state.

Comparative Negligence in the Palmetto State

South Carolina utilizes a 'modified comparative negligence' system, specifically the 51% rule. A plaintiff can recover damages as long as their own negligence is not greater than the defendant's negligence. If the plaintiff is found to be 50% at fault, their recovery is reduced by half; if they are 51% at fault, they recover nothing. This allows South Carolina professionals to defend claims by highlighting the client's role in the error, such as failing to provide necessary documents or ignoring written warnings.

Who we write this for in South Carolina

Professional liability FAQs for South Carolina