The IT architect that develop UAM architecture cannot have in-depth knowledge of all IT technologies. They must rely on IT experts for guidance and advice. This advice is provided during the development of architectures, normally at the Logical and Technology levels, in order to ensure that the architectures are realistic and implementable at a reasonable cost and level of risk. The level of detail desired and provided depends upon the size and complexity of the "system", namely the context of the IT architecture.

The types of IT experts involved are, but not limited to:

• IP and other types of network experts;
• Telecommunications experts;
• Storage experts;
• Server and virtual server experts;
• Middleware experts;
• Application level experts;
• IT security experts;
• Corporate applications experts.

This last category defines experts in web applications, email services and other corporate level application services. It also includes the standard Human Resources (HR) and financial services applications.