About Us

More than 100 years of existence stand behind the activity of this company, which was established in 1907. Throughout its history, the steady growth and strong international expansion of Tártaros Gonzalo Castelló have made the company an international leader and standard-setter in the manufacturing and sale of natural tartaric acid salts and esters.

All the tartaric raw material used in the production process is derived from by-products of the grape, and is carefully selected and analyzed to ensure its traceability. This enables us to achieve continual monitoring during quality control of the production process.
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Tradition together with Technology and Innovation have been and continue to be the basic elements of the strategic objectives of the company. This accounts for the excellent Quality of our products, which comply with the strictest international pharmacopoeia requirements.
Innovation is a key element in our strategy. Our R&D Department devotes the effort that is necessary in order to diversify the scope of our activity and ensure constant improvement of our products.

Our ability to provide Service to our Customers is another of the pillars of our philosophy. It keeps us in close contact with their needs and help us to provide solutions that draw on the highest technological levels of the industry.