 Its research is often based on "using the government's own data and Freedom of Information requests to winkle out examples of public sector waste".The TPA's income from donations rose from around £68,000 in 2005 to around £1m in 2009.In September 2010, it was reported that the TaxPayers' Alliance was organising an event sponsored by several American lobbyists and groups involved in the Tea Party movement, including the Americans for Prosperity Foundation, the Cato Institute and the Heritage Foundation.