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We offer the widest range of tests, analyses, having highly qualified professionals with experience in the area, seeking to reduce the risks to our customers ensuring quality and reliability in our findings.


We provide a wide variety and a complete range of analytical testing procedures in order to meet the requirements of any production.


Formal recognition in order to have your institution meeting the defined requirements and shall be able to carry out your activities safely.


CQS Ltd., through its Compliance Program, consolidates its ethical framework ensuring transparency, integrity and professionalism inherent in its operations.

Verify the authenticity of document issued by the Control Quality

Control Quality
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Head Office
Av. Washington Luiz, 73 – Vila Mathias
Santos – SP – CEP 11050-201 - Brazil

São Paulo
Av. General Ataliba Leonel, n° 93, Conj. 23 – Santana
São Paulo – SP – ZIP CODE 02033-000 - Brazil


St. Maneco Viana, n° 1057 – Alto Sao Sebastiao
Paranagua – PR – ZIP CODE 83206-250 - Brazil


St. de Commerce, n°4
1204, Geneva - Switzerland

55 13 32236494 - log-sts@controlquality.com.br
41 22 591 75 40 - switzerland@controlquality.ch

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