Businesses are increasingly setting up programmes to engage with international development. Development agencies are also seeking to mobilise businesses’ knowledge and resources to achieve development goals. The difficulty lies in designing and implementing programmes that achieve development impact and also align with core business strategies. This briefing presents case studies on business interventions in agriculture, health care and waste management. The analyses identify lessons on how to evaluate corporate engagement programmes, make them more effective and design future programmes to better integrate business performance and development impact.