Höppner Management & Consultant GmbH · Customer ratings
Verified customer ratings
Every rating below is from a verified customer. The rater's email was domain-matched to the named customer organisation, and the rating is per-engagement, not per-relationship.
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Höppner Management & Consultant GmbH is cross-referenced at L2 against independent public sources, that proof is live now, while customer ratings (L3) are still being gathered.