Jonas Aartun


Jonas Aartun has broad experience with Norwegian and international tax law. He mainly assists clients in connection with mergers and acquisitions, reorganizations, finance structures and incentive schemes for management and key employees, including carried interest and earn-out models.

Jonas also provides general tax advice with main focus on corporate taxation, including equity/debt classifications, financial instruments, international tax treaties, transfer pricing and the special tax regimes for shipping and energy companies (hydropower and oil). He also assist clients in connection with tax audits and disputes with the Norwegian tax authorities.

University of Oslo, cand. jur.
  • Advokat registered with Den Norske Advokatforening
  • Board member, OSO Hotwater Group AS
  • Board member, Oslo Wine Agency AS
Prior Experience
Partner, DLA Piper Norway
2020 -
Associated Partner, DLA Piper Norway
2017 - 2019
Lawyer, Aker Solutions ASA
2012 - 2017
Associate / Senior Associate, Wiersholm
2007 - 2012
Secondment, Holland & Knight LLP (New York)
The Legal 500, 2020

Jonas Aartun has unique insight into tax related matters, providing practical and specific advice.

Jonas is recommended for Tax by The Legal 500, 2020.

World Tax, International Tax Review's guide, 2020

DLA Piper operates a cross-border Nordic tax department, with a focus on cross-border taxation work. The Norway team is specialised in assisting domestic and multinational corporations and real estate clients. Partner Preben Aas leads the department. He is supported by associate partner Jonas Aartun.

The firm is currently advising the Skanska Group on the direct and indirect taxes associated with a number of sales and acquisitions within Norway, as well as on Norwegian real estate tax. The firm has also represented former board of directors at AS Kraftsgate 2 in a court case alleging tax fraud against the directors, as well as business misconduct.