In pursuit of excellence, TNS has based its business and services on quality, with a policy and statement adopted by all related parties, from the management, employees to all subcontractors and business partners.

Giving customers’ satisfaction a top priority, in addition to implementing the most rigid quality control, a fully functional health, safety and environmental management system governs all TNS operations, as seen in the certified number of international standards and codes of conduct.

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ISO 14001

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OHSAS18001-1999

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OHSAS18001-2007

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TNS ISO 9001 2008

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ASME U

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ASME R