Mariann Andersen

Senior attorney

Mariann Andersen works in the field of business law, mainly company law, contract law and stock, bonds and securities law. She has extensive experience with transactions and reorganisations.

Work experience

  • 2012 Senior Associate, Advokatfirmaet Hjort DA
  • 2008 Associate, Advokatfirmaet Hjort DA
  • 2000-2008 Associate, Wiersholm, Melbye & Bech
  • 1993-2000 In-house counsel at Borregaard Industries Limited (Orkla's chemistry division)
  • 1990-1990 Associate, Bugge, Arentz-Hansen & Rasmussen (BAHR)
  • 1989-1990 Deputy Judge, Karmsund magistrate court
  • 1987-1989 Consultant/Senior Consultant, Tax Department, the Norwegian Tax Directorate


  • Law degree 1996, University of Oslo, Norway

Memberships / Honoraries

  • Member of the Norwegian Bar Association
  • Former:
  • Member of the complaints board for VAT


Co-author of Norsk skatteavtalerett, Oslo 2006, Arvid Aage Skaar