Haslinger / Nagele Rechtsanwälte GmbH
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Haslinger / Nagele Rechtsanwälte GmbH is well-regarded for its expertise in environmental law, as well as infrastructure and energy transition matters. The team is headed up by Wilhelm Bergthaler, Wolfgang Berger and Martin Stempkowski and is noted for its ability to handle large energy projects. Bergthaler has experience across the mining, trade, banking and public sectors and also specialises in environmental impact assessments alongside Berger. Mario Laimgruber handles both environmental matters and administrative criminal proceedings, while Thomas Riesz is an expert in public and health law as well as data protection and telecoms issues. Both were promoted to partner in February 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Mario Laimgruber has been an invaluable asset to our project teams. His hands-on approach, combined with his broad experience in administrative law and with key stakeholders such as regulatory authorities, makes him stand out from competitors in the field.'
- 'The team has a long-standing reputation and expertise in environmental and sustainability law.'
Key clients
- Raiffeisenlandesbank Oberösterreich
- Austrian Power Grid AG/Netz Oberösterreich GmbH/Energie AG OÖ/Linz Netz GmbH
Work highlights
Advised Austrian Power Grid AG, Netz Oberösterreich GmbH, Energie AG OÖ and Linz Netz GmbH on the realisation of the interstate high voltage electricity project Sichere Stromversorgung für den Zentralraum Oberösterreich and the corresponding line connection with voestalpine.