S.C. Code Ann. § 38-43-30
Every agency, whether corporation, partnership, association, or other aggregation of individuals, transacting or purporting to transact the business of an insurance agent under a corporate or trade name must be licensed by the director or his designee. The term "agent" as used in this title is considered to include an agency, unless the context requires otherwise.
Every stockholder, officer, director, member, employee, or associate of an agency, performing any act of an agent as enumerated in Section 38-43-10, shall possess a current agent's license giving authority to transact that particular business.