The skills of an experienced corporate treasurer can make all the difference in delivering a responsive and effective treasury function at key stages in a company’s strategic development. However, as in many specialist functions which are dependent on expert, qualitative decision-making, staff costs may contribute a significant element to the expense of delivering this business support. Therefore, the leverage of expertise on an interim basis may be a cost-effective solution to meeting the needs of a business when the demands on the treasury function are particularly acute.