TESI is a brand that was established in Gandia in 1984, during the rise of microinformatics and the beginning of significant technological changes in market research and opinion. Since its inception, TESI has been dedicated to developing information collection and analysis tools for all types of users and providing services for researchers in sociological and market studies. They offer a wide range of software and services for data management, including questionnaire design, multi-channel data collection, statistical processing, and online reporting.

With a focus on innovation, personalization, and commitment, TESI strives to meet the needs of their clients. Their impressive client portfolio includes companies like Inwai Fieldwork, Pitagórica, ABACO Estudios de Mercado, and Redca, who have praised TESI for their excellent technological solutions, support, and quality. TESI continues to be a reliable and trusted partner in the market research industry, consistently delivering top-notch products and services