Not sure whether to go for AD, AST, CAST or FG? Here’s what you should know.

Choosing the right competition is the first—and possibly most important—step in your EPSO journey.

AD: Administrator Roles

For university graduates. These roles often involve policy-making, drafting, and analytical work.

AST: Assistant Roles

Focused more on technical, operational, or administrative support tasks. A great entry point for many.

CAST: Contract Agents

No fixed deadlines—apply when profiles are open. Ideal if you’re looking to enter the EU institutions flexibly.

FG: Function Groups

A mix of administrative and clerical roles. These often appear in delegations or support offices.

So… Which One Fits You?

Our free blog resources and personalized questions help you assess which test you’re most prepared for—and our courses match each role type.

🔍 Still unsure?

Start with a free sample test and see where you stand at EUKnowledge.eu