Connections3 linksShared operator — likely the same administratorHans Schriever GmbH & Co. KGShared officer / director · 4 share thisSchriever Verwaltungsgesellschaft mbHShared officer / director · 4 share thisG. Geyer Industrieanlagen und -immobilien GmbHShared officer / director · 4 share thisA shared address, domain or mail server is a lead, not a verdict — most often the same administrator (accountant / corporate-services provider), not a single group.