Documenting your agency skills means keeping a clear, honest record of the operational work you actually do, so that when a certification asks for evidence you are not scrambling to remember. Start by listing the recurring tasks you handle, such as taking in new work, scheduling delivery, coordinating a small team, or reviewing finished work before it reaches the client. For each one, note a short, concrete example of how you did it and what the outcome was, because specific instances are far more convincing than general claims. Keep simple artifacts where you can, like a checklist you built, a schedule you maintained, or a short summary you wrote, since real materials demonstrate skill better than descriptions. Organise these notes by skill area so they map cleanly onto the categories a certification is likely to assess. Update the record as you go rather than reconstructing it later, which keeps the details accurate and the effort small. Review it honestly to find the gaps, then seek work or practice that fills them before you sit the assessment. A tidy, truthful record turns everyday agency work into ready evidence of operational skill.