Answers
What separates a good Google Ads agency from a bad one?
A good one tells you things you do not want to hear, early, and shows you where to verify it.
The short answer
A good one tells you things you do not want to hear, early, and shows you where to verify it.
Concrete signals: they ask for your margin before quoting targets, they check tracking before touching campaigns, they report brand and non-brand separately, and they point you at your own change history.
Bad signals: a promised ROAS before seeing the account, a six-month term, campaigns in their account rather than yours, and reports full of impressions.
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