The first important milestone for Enterprises took place in In October 2016, when JP Morgan Chase unveiled Quorum, an effort to extend blockchain technology with Enterprise capabilities.
In February 2017 the formation of the Enterprise Ethereum Alliance (EEA) was announced. The EAA was established to build on Euthereum to define enterprise-grade software capable of handling the most complex, highly demanding applications at the speed of business.https://entethalliance.org/