Jonas Aartun

Partner
Location Head Tax
JA
Location
Oslo
Language
English, Norwegian

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.

Credentials
Education
University of Oslo, cand. jur.
2007
Memberships
  • Member of The Norwegian Bar Association
  • Board member, Fountain Venture AS
  • Board member, Nova Beverage Group AS
  • Board member, First Mover Group Holding AS
Experience
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)
2010
Rankings
ITR World Tax, 2025

"Highly Regarded" within "General corporate tax" and "Indirect tax".

The Legal 500, 2024

Jonas is recommended for Tax by The Legal 500, 2024.

ITR World Tax, 2024

"Highly Regarded" within "General corporate tax" and "Indirect tax".

The Legal 500, 2023

Jonas is recommended for Tax by The Legal 500, 2023.

ITR World Tax, 2023

"Highly Regarded" within "General corporate tax" and "Indirect tax".

The Legal 500, 2022

Jonas is recommended for Tax by The Legal 500, 2022.

The Legal 500, 2021

Jonas is recommended for Tax by The Legal 500, 2021.

World Tax, International Tax Review's guide, 2021

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.

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.