Certification and assurance
Driving trusted services and products through customer and regulatory compliance

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Certificates
ISO (International Organization for Standardization) is an independent, non-governmental, international organization that develops standards to ensure the quality, safety, and efficiency of products, services, and systems. When an organization is ISO certified, it helps to improve product quality, credibility, and authority as well as the overall efficiency of the business.
Tieto operates under a single, integrated management system that meets the requirements of ISO 9001 (Quality Management), 14001 (Environmental Management), 27001 (Information Security Management), 27701 (Privacy Information Management System) and holds global certificates for the quad ISO standards. These certifications reflect Tieto’s commitment to maintaining high standards across its operations and ensuring continuous improvement in quality, environmental responsibility, information security and privacy.
The business-specific certifications further underscore the company’s specialized expertise in sectors such as banking and healthcare, where reliability and compliance are paramount. Together, our certifications give customers confidence that our products and services are consistently managed, controlled and improved according to internationally recognized standards.
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