Priority Transactions Accelerator Group, Inc. (PTAG) is a not-for-profit organization based in Washington, DC. It was founded to identify and arrange global debt capital market transactions aimed at financing programs and projects that address humanitarian needs, climate change mitigation and adaptation, and other U.N. Sustainable Development Goals.

PTAG focuses on arranging affordable, long-term financing in global bond markets for projects and programs that support climate change mitigation and adaptation, as well as other U.N. Sustainable Development Goals. The organization collaborates with national and sub-national governments, international institutions, private developers, commercial and investment banks, and asset owners and managers.