About

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.

Chambers Review

Provided by Chambers

Construction - Norway

3
Band 3

What the Team is Known For

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. Arntzen de Besche also boasts expertise in cross-border litigation and arbitration proceedings.

Work Highlights

  • Arntzen Grette represented Salmar Finnmark in a final account dispute with several parties involved in the construction of an industrial fish farming facility in Dåfjord, Norway.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

Jan Einar Barbo
S
Jan Einar Barbo
S
Senior Statespeople
Jan Einar Barbo is a seasoned practitioner who is highly respected for his practice assisting clients with contentious mandates as well as contract drafting and negotiations. His client roster includes construction and retail companies and state-owned entities.

Jan Einar Barbo's extensive experience brings unmatched insight and authority to complex contract law matters.

His profound expertise, coupled with strategic foresight and exceptional problem-solving abilities, ensures he delivers outstanding guidance and leadership.

Anders Myhre
4
Anders Myhre
4
Band 4
Anders Myhre is frequently seen representing clients in a range of disputes, including contract terminations, delays and overrunning costs.

Anders Myhre is very experienced.

Øystein Myre Bremset
4
Øystein Myre Bremset
4
Band 4

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.

Øystein is a great lawyer with a lot of experience in the field. He provides very strategic input.

Stian Heimdal
U
Stian Heimdal
U
Up and Coming
Up-and-coming partner Stian Heimdal continues to offer a strong construction practice, regularly advising clients on developments and disputes.

He is a very pragmatic litigator and his ability to develop a case is impressive.

Stian Heimdal is one of the most knowledgeable construction lawyers in Norway.

Wenche Maartmann-Moe
U
Wenche Maartmann-Moe
U
Up and Coming

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.

Wenche Maartmann-Moe has outstanding judgement.

Ranked Lawyers at
Arntzen Grette

Provided by Chambers
Filter by
Band

Norway

Construction

Jan Einar Barbo
S
Jan Einar Barbo
S
Senior Statespeople
Anders Myhre
4
Anders Myhre
4
Band 4
Øystein Myre Bremset
4
Øystein Myre Bremset
4
Band 4
Stian Heimdal
U
Stian Heimdal
U
Up and Coming
Wenche Maartmann-Moe
U
Wenche Maartmann-Moe
U
Up and Coming

Members

Provided by Arntzen Grette

Jon R. Gresseth

Line Wefald

Head of Department

Ole Skeidsvoll Moe

Tor Kristian Lånke

Wenche Maartmann-Moe

Head of Department