Mr Mattias Grieg > Wiersholm > Oslo, Norway > Lawyer Profile

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Mattias  Grieg  photo

Work Department

Shipping and Offshore


Mattias works with shipping and offshore transactions. His main area of practice is domestic and international transactions, with a particular focus on sale, purchase and financing of assets. His experience covers, inter alia, sale and purchase of assets, financing of assets, restructuring and newbuilding projects. In addition to assisting clients in transactional matters, he regularly provides general legal advice to companies within the maritime industry.


Managing Associate , Wiersholm , 2021

Senior Associate, Wiersholm, 2019

Senior Associate, Wikborg Rein (Oslo), 2018

Associate, Wikborg Rein (Oslo), 2017

Associate, Wikborg Rein (Bergen), 2014


Norwegian and English


Master of Law, University of Bergen, 2014

LL.M (Distinction), King’s College London, 2014

BSC in Economics and Business Administration, Copenhagen Business School, 2009

Lawyer Rankings

Norway > Offshore construction and shipbuilding

(Rising stars)

Mattias Grieg – Wiersholm

Under the joint leadership of Karl Even Rygh and Kristine Hasle, the interdisciplinary offshore construction and shipbuilding practice at Wiersholm draws on experts from various practice areas across the firm to provide a full-service offering with notable strength in dispute resolution, including acting in international arbitration proceedings; Christian Hauge is a key name here. Field development and project execution feature heavily in the group’s workload, with the team regularly acting for both international and domestic oil services contractors operating on the Norwegian Continental Shelf. Sondre Dyrland takes point on offshore construction matters, while associate Mattias Grieg ably assists with transactional work in this space.