Technology-based startup enterprises are an increasingly important part of the business landscape in Asia and the Pacific. By applying innovative technologies to create new products and services, they can make a significant contribution to economic development while generating social and environmental benefits. However, to survive and then thrive, tech startups require an enabling ecosystem that includes supportive government policy, adequate access to capital, skilled personnel, and quality digital infrastructure. This report assesses the current ecosystem for tech startups in Thailand, focusing on four sectors: climate change, education, agriculture, and health. The report discusses challenges facing tech startups in these sectors and provides recommendations.