Tiger Global Management led a $350m funding round in DoubleVerify, a software platform for digital media measurement and analytics. Fidelity Management & Research Company also participated in the round, together with funds and accounts managed by BlackRock and Neuberger Berman. Providence Equity Partners remains the majority investor. "The support of these high caliber investors speaks to DoubleVerify’s momentum, including new customer growth, product innovation and global expansion," Mark Zagorski, DoubleVerify CEO.