Over the past five years, IPA’s research portfolio in the SME sector has grown to include more than 85 studies in 32 countries, leading to valuable lessons learned that can inform the design of more effective policies and programs. This report presents some highlights from the SME research portfolio, lessons learned in each of our program’s focus areas, details about the events we have hosted, and information about what we do to support, create, and promote evidence in the SME sector.