Carta is a transfer agent for private companies that enables seed-stage to pre-IPO companies to manage equity electronically with the participation of their shareholders, employees, auditors, and legal counsel. It digitizes paper stock certificates along with stock options, warrants, and derivatives to create a real-time image of who owns what at a startup. Carta receives funding from a group of investors, including Draper VC, Expansion VC, k9 Ventures, Elefund, Subtraction Capital, Scott Banister, XG Ventures, Kima Ventures, Andy Palmer, and Structure Capital. It was founded by Manu Kumar and Henry Ward in 2012 as eShares, Carta is based in Mountain View, California.

San Francisco, CA