Direct Answer
Ask for revisions before any code is written. A reputable agency includes 1–3 design rounds and only moves into production after written sign-off. At Leads to Sales we keep iterating on the prototype until you approve the direction; nothing gets built without your explicit go-ahead.
Voice answer (≤30 words)
“Ask for design revisions before development begins. Most agencies include one to three rounds and require written sign-off before coding.”
Define what 'approval' means in writing: which design version, which pages, which interactions. Vague sign-offs are the leading cause of post-launch disputes.
If the second prototype is still off, the issue is usually scope or audience clarity rather than the designer — a 30-minute reset call usually fixes it.
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