The CTQC and REPSOL Foundation signed the May 7, 2015 a collaboration agreement for the revitalization of the activities related to fund entrepreneurs in the REPSOL Foundation in Tarragona
On july 2015 the CTQC and the UPC (Universitat Politècnica of Catalonia) signed an outline agreement of collaboration that will promote the activities of investigation and the capacity of international projection in the field of the Chemistry.
On February 2010 the CTQC and the companies Repsol Petróleo SA and Repsol Química, SA signed a collaboration framework agreement regarding scientific and technological fields of common interest and participation in both national and international joint projects.
On September 2009 the CTQC and the University Rovira i Virgili (URV) signed a collaboration framework agreement that regulates joint projects between both institutions and the participation of URV staff in projects managed by the CTQC.
On November 2008 the CTQC and the URV Foundation signed a contract which established a relation of cooperation between the CTQC and the URV Foundation in terms of economic, financial and administrative management and human resources.