Provided by Arntzen Grette
Arntzen Grette offers clients strong continuity and specialist support across the full project lifecycle – from procurement and contract strategy to execution and dispute resolution. With decades of experience on Norway’s largest and most complex projects, we provide innovative, efficient, and commercially focused legal solutions.
As a leading firm in the Norwegian construction and infrastructure market, we advise on the full range of legal and strategic issues, including contract development, procurement, project management, claims, negotiations, and litigation.
Our clients include major construction companies, developers, and public authorities. We work across sectors such as infrastructure, healthcare, renewable energy, aquaculture, offshore wind, and data centres.
Our lawyers advise on all key infrastructure categories, including roads, railways, tunnels, bridges, airports, hospitals, and industrial facilities. Arntzen Grette is recognised as a pioneer in collaborative contracting and integrated project delivery (IPD) and has helped shape these models in Norway’s public and healthcare sectors. We are also a market leader in construction dispute resolution, combining industry insight with strong litigation and arbitration capabilities.
Our construction department consists of nearly 60 lawyers, including 17 partners, making it one of Norway’s largest and most specialised teams, built on experience from top-tier firms, leading contractors, and industry organisations.
Provided by Chambers
Arntzen Grette handles a range of construction matters, acting for state-owned companies and private clients. The lawyers have experience assisting with roads, hospitals and energy infrastructure construction mandates. It also boasts expertise in cross-border litigation and arbitration proceedings.
Arntzen Grette represented Mantena in a dispute with Alstom in relation to the European Rail Traffic Management System project led by Alstom.
Provided by Chambers
We experienced that Arntzen Grette met us with a great deal of care and commitment, while also demonstrating professional authority.
They have been available to provide advice when we needed it throughout the entire case.
Arntzen Grette demonstrates strong expertise, practical insight and responsiveness throughout engagements.
The organisation is very skilled and used to handling cases of high complexity.
They work hard and deliver on time. They possess a good understanding of contract matters and maintain good relations with all parties.
We experienced that Arntzen Grette met us with a great deal of care and commitment, while also demonstrating professional authority.
They have been available to provide advice when we needed it throughout the entire case.
Arntzen Grette demonstrates strong expertise, practical insight and responsiveness throughout engagements.
The organisation is very skilled and used to handling cases of high complexity.
They work hard and deliver on time. They possess a good understanding of contract matters and maintain good relations with all parties.
Provided by Chambers
Øystein Myre Bremset has experience assisting clients with the drafting, negotiation and termination of construction contracts, as well as advising on public procurement processes. He is also knowledgeable in contentious proceedings, including final settlement disputes and alleged defects cases.
He is very skilled in all forms of dispute resolution.
Stian Heimdal continues to offer a strong construction practice, regularly advising clients on developments and disputes.
Stian is perceived as a good sparring partner, always available, attentive to details, and has truly been our person throughout the case.
Stian has an excellent understanding of the industry and quickly grasps complex issues.
He is particularly skilled in legal matters and strong in negotiations.
Stian is responsive, accessible and exceptionally talented in the field.
Wenche Maartmann-Moe is adept at assisting state-owned companies and private clients with roads, hospitals and energy infrastructure construction mandates, as well as disputes.
She is very skilled and responsive, and a highly valued adviser.
Wenche is highly skilled academically and professionally, with a strong ability to identify solutions to complex issues.
She is a trusted person with a high degree of integrity and has good relations with all parties concerned.
Provided by Arntzen Grette
Jon R. Gresseth
Line Wefald
Head of Department
Ole Skeidsvoll Moe
Tor Kristian Lånke
Wenche Maartmann-Moe
Head of Department