
Recognised for a wealth of experience in energy and environmental law, Haslinger / Nagele Rechtsanwälte GmbH demonstrates particular strength in advising on renewable energy projects such as the construction of water power plants, with the team’s expertise extending to environmental impact assessments and expropriation proceedings. The group is co-led by environmental law expert Wolfgang Berger, whose practice also includes public construction and constitutional law; Wilhelm Bergthaler, who offers clients knowledge of the mining, trade, and banking industries; and Martin Stempkowski, who specialises in public procurement law. Adept at compensation procedures, Mario Laimgruber is a key contact for the firm’s energy clients.
Legal 500 Editorial commentary
- Profile
Accolades
Client satisfaction
Testimonials
Collated independently by Legal 500 research team.
- 'Outstanding expertise. Unique problem-solving. Punctual completion. Perfect client care.'
'They all have a solution-oriented and pragmatic approach to issues.'
Key clients
- Austrian Power Grid AG
- Netz Oberösterreich GmbH
- Energie AG OÖ
- Linz Netz GmbH
- Voest alpine
- EVN AG / evn naturkraft Erzeugungsgesellschaft m.b.H.
- Fontin & Company GmbH
- Thurn-Saalach-Kraftwerks-Gesellschaft m.b.H.
- ARCHITEC Objektbau GmbH
- Bad Ischl HE 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' with a deal value of €650m.
- Advised Austrian Power Grid AG on the realisation of the interstate high voltage electricity project 'Stromversorgung Netzraum Ost', which includes the implementation of a statutory research mandate regarding underground cables.
- Advised SCHIENE OÖ GmbH on the regional light rail extension in the third largest city in Austria in large part through densely populated residential areas with a project volume of €860m.
Lawyers
Hall of fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Wilhelm Bergthaler; Wolfgang Berger; Martin Stempkowski
Other key lawyers
Mario Laimgruber