Collaborative Networks(CN) are well-knownby the literature, has a mean to achieve multiple innovations, resultedfrom the collaboration with abroad variety of partners to access different types of knowledgeand skills. Despite its establishment,even in academiaandinthe corporate world, itsim-plementation,constitutesa challenge, mainlywhen concerningtoselect the suit-able partnersto promote sustainable CN that attends the three dimensions of sus-tainability, regarding new productdevelopment’s(NPD) projects. The lack of decision support frameworks, as well as the subjectivity aroundCN’s manager’s perceptionconcerning this issue,motivates the development of this work. Thus, this paper presents a soft computing-based approachto support CN’s man-agers onpartner’sselection, regarding the NPD’sprojects on CN’s context.The robustness of the approach developed here, will be assessed and validated through a case study, regarding the development of a green product.