Innovation and quality


S.A.U. SULQUISA follows the strictest quality controls with the sole aim of delivering a high quality product to our customers.

ISO9001:2015 certification in 1999

ISO14001:2015 certification in 2004

ISO45001:2018 certification in 2021

GMP+ Certification in 2016



In our eagerness to offer our customers value-added, efficient products in an increasingly competitive environment, that also have low environmental impact on, our R&D&I department continually liaises with Quality and Commercial in the search for processes and products that best suit market requirements.

We collaborate in R&D&i projects with research centers (national and international) and with other businesses.


S.A.U. SULQUISA is part of the ADITREST Project for “next generation additives to enhance the development of durability for use in cements and concretes”.

The project was awarded a grant in the 2014 Challenges-Collaboration of the State Program for Research, Development and Innovation to Meet the Challenges of Society call for applications within the framework of the State Plan for Scientific and Technical Research and Innovation 2013-2016.

S.A.U. SULQUISA was awarded a grant for the implementation of the project “Optimised extraction of sodium sulphate in leaching brines of variable composition”, under the Research and Development Projects programme of the Centre for the Development of Industrial Technology (CDTI). The grant was co-financed by the European Regional Development Fund (ERDF) through its Multi-regional Operational Program for Intelligent Growth.

S.A.U. SULQUISA, for its project “Improvement of energy efficiency in a production plant based on the replacement of lights with LED technology”, has received a grant framed in the line of aid for energy saving and efficiency in SMEs and large companies in the industrial sector, co-financed by the European Regional Development Fund (ERDF), coordinated by the IDAE and managed by the Community of Madrid, under the National Energy Efficiency Fund, with the aim of achieving a cleaner and more sustainable economy.

A way of making Europe

Beneficiary: SAU SULQUISA

Total investment: 40,040.00 €

Amount of the grant: 10,141.82€