The central premise of the “fit-as-mediation” view states that knowledge-related factors could determine the usage and design of specific organizational systems, such as management accounting and control systems. This could, in turn, facilitate information processing and bring about positive organizational outcomes. While the influence of knowledge-based assets on measurable performance has been examined extensively in the intellectual capital literature, little is known concerning the role of an organizational control system in fostering the management of intellectual capital as the most strategic asset for organizations. As such, this study primarily aims to explore what role a performance measurement system plays in terms of the diversity of measurement in the relationship between intellectual capital and organizational performance. We incorporate social capital into the general three-dimensional classification of intellectual capital; namely, human capital, structural capital, and relational capital, to provide a more comprehensive measure of intellectual capital. Further, we conceptualize the diversity of measurement by supplementing the original Kaplan and Norton's BSC model with a new perspective, social and environmental measures. Such integration of financial, customer, internal business process, learning, and growth, along with social and environmental measures could result in an overarching and robust conceptualization of performance measurement; a concept that was barely mentioned in previous literature. We conducted a questionnaire survey involving chief financial officers of 128 Iranian public listed companies. Using the partial least squares (PLS), we find that companies with higher levels of intellectual capital emphasize a greater diversity of performance measures. The findings also show that the diversity of measurement mediates the relationship between intellectual capital and organizational performance. This paper may offer guidance to companies concerning the competencies needed for securing positive organizational outcomes from their knowledge resources, such as intellectual capital.