Mr Sigurður Örn Hilmarsson > Réttur – Adalsteinsson & Partners > Reykjavik, Iceland > Lawyer Profile

Réttur – Adalsteinsson & Partners
Sigurður Örn Hilmarsson photo

Work Department

Practice Areas: Litigation and dispute resolution. Commercial and company law. Constitutional law. Copyright and property law. Competition law. Insolvency and restructuring.


Partner and Supreme Court Attorney.


Réttur – Aðalsteinsson & Partners 2009- .

Lögmenn Laugardal 2007-2008.

Chairman of the Students’ Council of the University of Iceland, 2006-2007.


Icelandic, English, Danish


President of the Icelandic Bar Association 2021-.

Board member of a geothermal energy company Eyja- og Miklaholtshrepps ehf. 2014-.

Board Member Icelandic Student Services 2009-2014.

Board Member Iceland Japan Society 2010-2012. Chairman of the Students’ Council of the University of Iceland, 2006-2007.

Board Member Iceland Japan Cultural Exchange 2004-2005.

Student President (Inspector Scholae) in Menntaskólinn í Reykjavík College 2002-2003.


Supreme Court Attorney, 2017.

Attorney to the District Courts, 2009.

University of Iceland, Mag. jur. 2009.

University of Copenhagen, Erasmus exchange programme 2008.

University of Iceland, BA Law 2007.

Menntaskólinn í Reykjavík College 2003.

Lawyer Rankings

Iceland > Commercial, corporate and M&A

Réttur – Adalsteinsson & Partners‘ strength in corporate mandates is supplemented by the firm’s dispute resolution expertise, with multiple team members leveraging significant experience in contentious matters. Supreme Court Attorney Sigurður Örn Hilmarsson leads the department, and is noted for his record in commercial litigation and insolvency proceedings. Senior associate Stefán Örn Stefánsson covers M&A, tax issues, and corporate and commercial law.

Iceland > Dispute resolution

Réttur – Adalsteinsson & Partners represents a diverse client base in a range of high-stakes cases, including commercial litigation on behalf of leading corporate groups, as well as criminal cases and matters concerning human rights issues. Jointly leading the department are Sigrún Ingibjörg Gísladóttir, a seasoned litigator with experience before the European Court of Human Rights; Sigurður Örn Hilmarsson, an expert in commercial, property, and constitutional law; and Védís Eva Guðmundsdóttir, who is noted for her strength in litigating cases with a cross-border dimension. The team additionally includes Katrín Oddsdóttir, who is a thought leader on matters of human rights, immigration rights, and the protection of the environment.

Iceland > Restructuring and insolvency

Réttur – Adalsteinsson & Partners is distinguished among insolvency and restructuring practices by its focus on representing creditors, including those based domestically and overseas. The group has a track record in acting for major clients in rescission cases and winding-up proceedings, and is regularly appointed as liquidator by the District Court. Team lead Sigurður Örn Hilmarsson is experienced in cross-border bankruptcy cases. Associate Alexander Hafþórsson is also a core team member.

Comparative Guides

Iceland: Doing Business In March 2024 This country-specific Q&A provides an overview of Doing Business In laws and regulations applicable in Iceland.