By harnessing digital to build and deliver services; the government can transform the relationship between citizen and state. Much has been done since the 2012 Government Digital Strategy; which demonstrated the potential of public service transformation by rebuilding some of the most high volume services to make them ‘digital by default’. New digital professions are now established across the public sector. Departments have become better at sharing platforms and components; code; patterns and best practice. This is a strong foundation upon which to build.