Crunchbase - Crunchbase is a platform for discovering industry trends, investments, and news about companies around the world.
alphasense - AlphaSense finds information on companies, data and themes from within millions of research documents in seconds, all with ONE simple search.
CB Insights - CB Insights is a company database for the venture capital and corporate development community.
BamSEC - Financial research made easier
Owler - Owler is a crowdsourced data model allowing users to follow, track, and research companies.
YCharts - YCharts is a financial software solution providing investment research tools including stock charts, stock ratings and economic indicators.