Preben Willoch

Preben Willoch

Partner, Oslo Download CV Download vCard

Head of Industry department

Preben assists players within the Energy and Infrastructure space in Norway and abroad. Internationally he assists governments and international energy companies. In Norway, he mainly assists E&P, service- and energy companies, private equity sponsors and infrastructure investors with corporate, contractual and regulatory advice in relation to their operations and M&A.

Preben Willoch has close to 20 years’ experience from assisting industry players, both as external advisor and as in-house lawyer. Preben’s work range from new ventures work and Norway introduction for new companies, through development and production phases, cessation and exits. Willoch has been involved as advisor to potential purchasers in most of the major transactions within the upstream related industries over the past ten years.

Internationally Preben has advised international energy companies on M&A and new ventures work including evaluation of different jurisdictions for potential entry strategies in Europe, Africa and the Middle East. He has further advised Governments and State Oil Companies on the structure and implementation of upstream petroleum regulatory framework, host government contract instruments such as Production Sharing Agreements and on contractual matters. Such experience includes working with jurisdictions such as Mozambique for a number of years, Nigeria, Ghana, Madagascar, Sao Tome & Principe, France, East Timor, Kurdistan, Iraq, Iran and Guyana.

Preben’s previous work experience includes partner position in one of Norways largest law firms with a strong position in international regulatory oil and gas work and in house positions (secondment) in oil companies with both Norwegian Continental Shelf and international focus.

Preben is Vice-Chair of the Oil and Gas Law Committee of the International Bar Association and a member of the Association of International Petroleum Negotiators.

Practice areas

Very solution-oriented and has a proactive approach. You can always rely on him to deliver Chambers and Partners

About Preben


  • 2021

    Next Generation Partners, Recommended and Other key lawyer - Legal 500

  • 2020

    Next Generation Partners and Recommended - Legal 500

  • 2020

    Leading Individual - Chambers and Partners Global and Europe

  • 2019

    Chambers: One client mentions his “broad network and good industry knowledge”.


  • 2002

    Cand. jur., University of Oslo