I have created an application for a company that I need to deploy. The application is for internal use only so it will not be available on the App Store. Do I need a UDID fo
I don't agree with the previous answer. Check this document page 26.
MDM servers can deploy both App Store apps and in-house enterprise apps to devices over the air. Both paid and free App Store apps can be managed by an MDM server using Volume Purchase Program (VPP) managed distribution.
Once you have VPP and Enterprise Developer account you could be able to install apps in the app store or company owned apps into the managed devices.
Further for just deploying the in-house app you could follow this 9 step process.