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C/Mataró, 29-31, 3r C
08403 Granollers
93 846 68 19


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We undertake projects always under certified quality

At DUINSA we have certificates that guarantee our professionalism and quality in the execution of our projects, guaranteeing the success in the final result of the service.

For example, LGAI Technological Center, S.A. certifies that the quality system of DUINSA is in accordance with the requirements of the ISO 9001: 2008 Quality Management System. For its part, the Monitoring Committee of the Tarragona Business Association – Tarragona Business Services Association (AEQT-AEST) has described DUINSA as a regular maintenance company for Industrial Construction and Civil Works.

Likewise, the Deputy Director of Contractor Classification and Contract Registration certifies that the company is registered as a works contractor. Finally, we have the Certificate of Quality Edition E., updated according to the norm UNE-EN ISO 9001: 2015.