Harvard is one of the most extensively certified companies in the industry. We are ISO 9001:2008 compliant, and Green Seal GS-42, CIMS GB with Honors, Greenguard, and HHPC Day certified. We do not believe cleaning is a commodity. We view cleaning as a valuable part of delivering highly productive, safe, and healthy facilities for the people who occupy them. By having third parties certify our business practices and operational efficacy you are assured that the promises we make about the service we provide is accurate and executed in your facility.