Partial results of an investigation into the business value of Information Systems/Information Technology (IS/IT) investments in the Financial Services Sectors (FSS) in Australia are presented. Using Case Study methodology to develop and refine a conceptual model of the relationship between IS/IT investment and organisational performance. The preliminary results from a Credit Union case reported indicate support for components of the conceptual model. Further, analysis indicates the existence of intermediary factors (operations, product delivery, customer service and staff). Directing IS/IT investments to these areas is likely to have a positive impact on organisational performance.