Andreas Bullen's practice includes transfer pricing, international tax law, Norwegian company tax law and EEA tax law. He assists many companies in matters of transfer pricing, including the choice of corporate structure, preparation of intra-group agreements and transfer pricing documentation, appeals cases and court cases.

Mr. Bullen has written a doctoral thesis (PhD) at the University of Oslo titled "Arm's length transaction structures: Recognising and restructuring controlled transactions in transfer pricing". Mr. Bullen's doctoral thesis was awarded the Mitchell B. Carroll Prize by the International Fiscal Association and the European Academic Tax Thesis Award by the European Commission and the European Association of Tax Law Professors. Mr. Bullen is also the author of the book “EU, EEA and Tax: The four freedoms and direct taxation” and several articles on national and international tax law, including EEA tax law.

Mr. Bullen is ranked as one of Norway's most prominent experts on tax law by Chambers and Partners and Legal 500.

Interviewees laud Andreas Bullen's "excellent knowledge of international tax law." He is particularly well versed in transfer pricing matters.

Chambers Europe, 2018


  • Assistance to several Norwegian oil companies in court cases and appeals cases against the Norwegian Petroleum Tax Office regarding transfer pricing of LPG and intra-group services
  • Assistance to taxpayers in court cases and appeals cases regarding intra-group transfers of intangible assets and allocation of ownership of intangible assets internally in a group

Professional Experience

  • Partner, Wiersholm, 2013
  • Scholar, the Faculty of Law, University of Oslo, 2006-2010
  • Lawyer, Wiersholm, 2002


  • Admitted to the Supreme Court, 2015
  • PhD, University of Oslo, 2010
  • Cand. jur., University of Oslo, 2002

Board Memberships

  • IFA Norway, Chairman
  • Gyldendal Rettsdata, tax law, Editorial counsel
  • The tax periodical "Skatterett", Editorial counsel