Wis. Stat. § 440.9712: Registration required.

(1) Except as provided in s. 440.9715, no individual may act as a home inspector, use the title “home inspector”, use any title or description that implies that he or she is a home inspector or represent himself or herself to be a home inspector unless the individual is registered under this subchapter.

(1m) No business entity may provide home inspection services unless each of the home inspectors employed by the business entity is registered under this subchapter.

(2) No business entity may use, in connection with the name or signature of the business entity, the title “home inspectors” to describe the business entity’s services, unless each of the home inspectors employed by the business entity is registered under this subchapter.