Services are getting increasingly important in the manufacturing industries today. As a result, it has become common for companies to provide a combination of services and products as an integrated offering. This paper focuses on such business models and development processes. It explores the current status and needs of industries on those issues. Through reviewing 12 journal articles tackling these issues and complementary academic contributions, it was found that uncertainty is a critical concept to be addressed properly. Based on this result, nine Swedish companies interested in such business were interviewed on this issue. The matured providers raised convincing customers as their major challenges while others consider understanding the internal meaning of IPSO business is their current challenge. In addition, there is a wish to have a quantitative tool for companies to utilize upon developing such offerings.