Apple has released Enterprise guidelines and features in WWDC 2014 for iOS 7 and 8 -> Distributing Enterprise Apps :
Learn how to provision and deploy apps across your enterprise. Leverage key Apple programs such as the Volume Purchase Program and the iOS Developer Enterprise Program to get the right apps in the hands of your employees, contractors, and partners. Learn how to manage certificates and provisioning profiles to deploy your apps, and take advantage of mobile device management (MDM) tools to provide a seamless experience for your users. Gain insight into the complete app management lifecycle; from signing your in-house apps in Xcode, to distributing, managing, and revoking apps across your workforce.
as well as having their own repository of videos of information specifically designed for Enterprise on the iOS platform.
In order to use Enterprise software you will need a MDM, Mobile Device Management provider, which acts as a third-party management server like a B2B Apple App Store from the app developer’s perspective but with more top down control over the devices.