Generally, private sources won't fund an idea that is likely to qualify for public funding. Advantages of Private Funding Sources Private sources are more likely than their public counterparts to focus on emerging issues. They are also generally more flexible in responding to specific needs.
Private funds are a better source of start-up or experimental funds.
Proposals are less lengthy, and program requirements are significantly less bureaucratic. Some private sources provide large grants and contracts. Although the average grant size is usually smaller than public grants, competition for funds is less intense. In addition, policies and procedures are less standardized and allow more lead-time for research. Also, priorities change more frequently than in the public sector, lowering the prospects for project continuation and renewal.