HPP Attorneys continues to lead on disputes across the energy, construction and IT sectors. The team acts on major infrastructure and industrial project disputes, as well as significant enforcement proceedings. Practice head Mikko Leppä has over two decades of experience representing domestic and foreign clients in commercial arbitration proceedings. Julia Pekkala, who was promoted to partner in August 2024, regularly handles infrastructure and industrial project disputes. Pekka Raatikainen departed in April 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Julia Pekkala has extremely good communication skills, an ability to create a good overall picture of the situation and steps that need to be taken, as well as a deep knowledge of the field and a passion to bring to the clients' benefit.'
  • ‘Often the simplest things can be the cherry on top; communication with HPP is top-notch. Often, when working with firms, things have to be too lengthy and overly-complicated. HPP manages to be direct, slightly aggressive and honest. ’
  • ‘The team is very professional and have a down-to-earth attitude. Very pleasant to work with and advices are clear and understandable.’
  • ‘Mikko Leppä has been my main contact at HPP and has successfully represented my associated companies in several rather complicated cases. He excels at distinguishing the most relevant matters to present the case favourably for the client, and his performance at court is of a top quality.’
  • ‘I appreciate Mikko Leppä's calm presence, strategic thinking and clear-cut approach to also complex issues. Mikko calm and willing to listen to other opinions, however, is not afraid to propose speak out as well as propose something new when facing a difficult situation. ’
  • ‘HPP team stands out because of their client-oriented approach and efficient communication. They are able to understand the client's perspective and make the client feel supported instead of creating extra bureaucracy that is often present in large firms.’

Key clients

  • Metsä Group Neste plc CGI Finland Ltd NYAB Oyj Amiko Oy Collector Bank AB Phillip Morris Turun Vesihuolto Oy Pohjolan Rakennus Oy Naftogaz of Ukraine Lähde & Co Oy

Work highlights

Advises Naftogaz of Ukraine in the enforcement of a USD 5 billion arbitral award in Finland against the state of Russia.
Advised CGI Suomi Oy in a multimillion ICT dispute against the City of Helsinki.
Advised NYAB Oyj in a multimillion dispute before the Finnish Supreme Court.
Practice head

Mikko Leppä

Other key lawyers

Julia Pekkala