Hanover, Germany
For an SEO agency in Hanover, the fact that there are only limited public metrics available for their own domain is a problem. If they were consistently ranking well and building authority, you’d normally see at least some visible footprint, even with basic tools. Do they practice what they preach? From what we can see publicly, their own site doesn’t really prove it. If I were you, I’d treat this as a yellow light, not an automatic no, but you should push them hard on proof. Ask for concrete case studies, specific rankings they’ve achieved, and how their own domain performs for core SEO and “SEO Agentur Hannover” type terms. If they can’t clearly show you how they’ve grown their own visibility, I wouldn’t trust them to grow yours.
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