At Alef Yapı, we uphold the highest standards in environmental management, quality management, and occupational health and safety. Our commitment to customer satisfaction and stakeholder value is reinforced by internationally recognized certifications, including ISO 14001:2015 Environmental Management System, ISO 9001:2015 Quality Management System, and ISO 45001:2018 Occupational Health and Safety Management System. These certifications reflect our dedication to sustainability, excellence, and compliance with global standards.