BrightSun is a U.K.-based startup that helps venture capital and private equity investors decide which startups to invest in. it is plugged into a variety of data sources, including CapitalIQ, CrunchBase, AngelList, Appstores, Alexa rankings, company head counts on LinkedIn, press articles, and sites that the government use to track private companies, like CompanyHouse. The company’s tools enable investors to source deals and track dozens of companies at any given time. BrightSun was founded in 2013.