According to Grantmakers for Effective Organizations due diligence refers to the process through which a grantmaker learns more about an organization’s financial and organizational health, mission, priorities and strategies to help to guide a grantmaking decision.
For more practical advice on how to conduct effective due diligence, review the Bridgespan Group's Donor Decision Tool for Nonprofit Due Diligence.
A philanthropist's due diligence should not be clouded by inherent biases. Prepare against that by reading the 5 Sources of Bias in a Grant Application Review Process.
To facilitate philanthropic due diligence, the William & Flora Hewlett Foundation developed a guide and comprehensive database of organization capacity assessment tools.