Assurance of the quality of laboratory test and calibration results as per ISO/IEC 17025 is achieved through a comprehensive system of management and technical requirements that ensure competence, impartiality, consistency, and reliability. ISO/IEC 17025 establishes a framework under which laboratories demonstrate their ability to produce valid and traceable results. Quality assurance begins with the establishment of a robust management system that integrates policies, procedures, and documented information aligned with food safety and quality management systems. A fundamental requirement is impartiality and confidentiality. The laboratory must operate in a manner that prevents conflicts of interest and undue influence on results. Clear organizational structures, defined responsibilities, and documented policies help ensure that personnel are free from pressures that could compromise data integrity. In food testing laboratories, where results may affect public health and regulatory compliance, maintaining impartiality is critical for credibility. Competence of personnel is a core element in assuring quality results. ISO 17025 requires laboratories to ensure that staff performing specific tasks are qualified based on appropriate education, training, experience, and demonstrated skills. Competence must be periodically evaluated, and records of training and authorization must be maintained. In food safety laboratories, analysts must be proficient in microbiological, chemical, and physical testing methods, as well as in the use of sophisticated instruments such as HPLC, GC-MS, and spectrophotometers. Continuous training programs, proficiency assessments, and supervision ensure consistent performance. The adequacy and suitability of laboratory facilities and environmental conditions significantly influence