The Institute of Communication and ComputerSystems (ICCS) is a non-profit private law body associated with the School of Electricaland Computer Engineering (ECE) of the National Technical University of Athens (NTUA). The active research personnel of ICCS comprises of 80 faculty members of ECE/NTUA, 25 senior researchers and more than 150 researchers. In Broker@Cloud the Information Management Unit (IMU) research unit of ICCS will participate. The Information Management Unit is a multi-disciplinary unit within ICCS, whose mission is to design, develop and validate innovative models, methods and tools in the SOA world, in order to leverage the creation, sharing and use of information and knowledge at the individual, team and organisational levels. Since its establishment the research unit has actively contributed in twenty seven research and development projects.ICCS will advance the state-of-the-art regarding methods and mechanisms for continuous optimization of cloud services. The primary role of ICCS in Broker@Cloud will be to develop the appropriate methods and tools for enhancing continuous optimization capabilities in cloud platforms. For this purpose a multi-criteria decision making solution will be presented using fuzzy and linguistic techniques for addressing cloud optimization issues.