Global Lab provides accredited Proficiency Testing (PT) services to help laboratories, testing facilities, and calibration providers validate their performance against international standards. By participating in PT programs, labs can benchmark their accuracy, demonstrate technical competence, and ensure compliance with NABL/ISO/IEC 17025 requirements. Our PT schemes cover a wide range of parameters, including construction materials, concrete, soil, steel, and calibration measurements. With robust statistical evaluation and detailed reports, Global Lab ensures transparency, reliability, and continual improvement. Trusted by industries across India, our PT services strengthen customer confidence, support audit readiness, and promote consistent quality in material testing and calibration processes.