Warsaw, Poland
If an SEO agency is going to touch your site, their own domain better be a showcase, not an excuse. JELLINEK has what you want to see at a glance: strong domain authority, solid market presence, and backlinks that are not only growing but coming from diverse sources, which usually means they know how to build authority the right way. When you add an exceptional local reputation on top of that, it tells me they are not just visible, they are trusted in their own market. Do they practice what they preach? From what their own domain shows, yes. If you are in or targeting Poland, especially Warsaw, this is the kind of profile that makes me comfortable saying you could seriously consider hiring them.
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