Public Disclosures Tax Information Sunlight Foundation’s EIN is 20-3903427. Download our W-9 for more information. 990 Public Disclosure 2014 2013 2012 2011 2010 Audited Financial Statements 2014 2013 The Sunlight Foundation is a nonpartisan nonprofit that advocates for open government globally and uses technology to make government more accountable to all. Donate We need your help to make our government more transparent. Support the Sunlight Foundation today!