The second workshop about Software Engineering for Pervasive Services [1] is organized during the International Conference on Pervasive Services [2] in Istanbul, Turkey, on July 2007. The program includes an invited talk, 6 presentations and a discussion. The first workshop about Software Engineering for Pervasive Services [3] was organised during the International Conference on Pervasive Services [4] in Lyon, France, on June 2006. In 2006 the program of the workshop included an invited talk, 5 presentations and a discussion.