ISO 14001:2015
Environment Management System ISO 14001:2015
ISO 9001 : 2015
ISO 9001:2015 Quality Certification for security services, security systems, operational systems department, and cleaning services.
CMMI level3
Metthier has received the Capability Maturity Model Integration for Development (CMMI) V2.0 Maturity Level 3 certification, which focuses on software development and enhances operational efficiency at every step, in accordance with global standards.
ISO 13549:2001
Cleaning services certified under the BS EN 13549:2001 standard, ensuring quality and professionalism in every area we maintain.
ISO 45001:2018
Enhancing workplace safety standards with ISO 45001:2018 to protect our personnel and support sustainable operations.
Cleaning Services in accordance with TGL-78-13
Environmentally friendly cleaning services in accordance with the TGL-78-13 standard, ensuring clean, safe, and sustainable spaces.
Certified in accordance with Thai SMEs Standard No. 21-2561 (2018).
Certified under Thai SMEs Standard No. 21-2561 (2018), reflecting quality management and service standards in line with Thailand’s SME benchmark.
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