PurposeThis paper aims to present a review on health and social care service integration, drawing on experience from the United Kingdom, Europe and Canada.Design/methodology/approachA review of the literature was undertaken and critical summaries of the findings are presented.FindingsIt seems no country can put forward a universal set of principles that are applicable in all settings.Practical implicationsEach country has their own challenges, so perhaps this encourages Welsh professionals to learn from their own experience.Originality/valueThis paper adds value by drawing together the literature and providing a contribution from Wales.