ServiceMaster Clean, ISSA, and GBAC Partner to Certify Nearly 400 Franchises
← Back to press releases ROSEMONT, Ill.—April 6, 2023—ServiceMaster Clean®; ISSA, the worldwide cleaning industry association; and the Global Biorisk Advisory Council® (GBAC), a Division of ISSA, have partnered to certify nearly 400 ServiceMaster Clean franchises across the United States and Canada to the ISSA Cleaning Industry Management Standard (CIMS) Advanced by GBAC certification.