HOLLEN s.r.o.

We provide professional services and guarantee the quality of our services based on certificates and following specific requirements of our clients.
Our performance is check by VDA QMC certified auditors that means the services are provided according to VDA 6.3., and eventually, auditors monitor the processes on the side of our clients and their suppliers.

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ISO 9001
2015
Certificate
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ISO 14001
2015
Certificate
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BS OHSAS 18001
2007
Certificate
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VDA 6.3
25 internal auditors
Certificate

Hot Line

Slovak republic

Bratislava (VW Slovakia)
+421 905 902 093

Trnava (PSA Slovakia)
+421 908 754 305

Žilina (KIA Slovakia)
+421 908 784 713

Košice
+421 908 784 713

Czech republic

Mladá Boleslav (Škoda Auto)
+420 774 531 562, +420 774 691 833

Trutnov (Continental)
+420 737 071 728

Frýdek Místek (Hyundai)
+420 734 673 994

Russia

Kaluga (VW Rus)
+79 109 186 861

Hungary

Györ (Audi Hungaria)
+36 202 300 934