Conn. Gen. Stat. § 12-2c: Certification of revaluation companies.

As used in this section, “revaluation company” means any person, firm, association, corporation, limited liability company or other entity, other than a municipal assessor or assistant assessor, which performs property valuations for a municipality for assessment purposes. On and after June 25, 1991, no revaluation company shall perform any valuation for a municipality for assessment purposes unless such company is certified by the Secretary of the Office of Policy and Management. Such certification shall be renewed every five years.