Formal Languages for Grid and Web Services e-Science Institute 7-8th July 2003 On 7-8 July 2003, NeSC hosted a workshop on "Formal Languages for Grid and Web Services". Such formal languages are required both to develop an unpinning theory and to reason about Grid and web applications. Researchers from a wide variety of different areas have been independently developing such languages, for instance, from process algebras, databases, systems, planning, description logics, etc. A key aim was to get these disparate groups talking to each other and to share ideas. Another aim was to explore the diversity of languages and their applications. The workshop was well attended by about 30 people from both within and outwith the UK, from all the above communities and from user groups, eg in Biology. The presentations spanned these areas and generated a healthy exchange of views during the question/answer sessions and outside the formal sessions. We believe we succeeded in getting the communities to interact and to explore the existing diversity. Many people made new, useful contacts across disciplinary divides and developed ideas for new research directions. Alan Bundy School of Informatics, The University of Edinburgh