3 Zinnen PLC


As a service-oriented company, we are committed to protect our employees and the environment, to respecting our customers' wishes, to create a systematic management and to elaborate an open information policy. Our own Energy&Environmental, Health & Safety department ensures with internal audits that our attention never wavers and that our systems are always up to date. 

Our Certifications
Environmental management certified:
ISO 14001:2015

Health & Safety
ISO 45001:2018

Energy management certified:
ISO 50001:2018