Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
Lars Gunnar Aas
Hall of fameAdvokatfirmaet CLP DA
Lars Gunnar Aas specializes in M&A and private equity, and his extensive experience covers a wide range of international and domestic transactions, strategic investments and cooperation between shareholders, where he represents corporates, private equity/venture capital funds and other financial sponsors and investors. Clients rely on Aas for advice on transactions in all sectors, with a particular focus on technology and knowledge businesses and the renewable energy sector. His competencies also include capital markets and financial regulatory matters, and he regularly advises on acquisition financing. Aas is recommended by all major international rankings for his transaction work, including Chambers & Partners, Legal 500 and IFLR 100. Legal 500 ranks Aas as one of the “Leading Individuals” in Norway for Corporate and M&A. He is also specifically lauded for his work in the renewable energy sector where IFLR 1000 rates him as “Highly Regarded”.  
Hans Cappelen Arnesen
Hall of fameAdvokatfirmaet Thommessen AS
Mr Hans Cappelen Arnesen ("Hasse") works primarily with matters concerning M&A, offerings and IPO's, and acts for a various corporate clients, private equity firms and leading investment banks. He is consistently ranked as a leading lawyer in Norway within M&A and equity capital markets by international rating agencies.
Anders Arnkværn
Hall of fameAdvokatfirmaet Thommessen AS
Partner. Mr Anders Arnkværn has long experience within the areas of M&A and Capital Markets and advises on both large-scaled and small transactions. He is continuously ranked by recognised rating agencies among the leading Norwegian lawyers within both M&A and Capital Markets. Mr Arnkværn heads Thommessen's practice area for Private Equity.
Kjetil Hardeng
Hall of fameAdvokatfirmaet Haavind AS
Partner Kjetil Hardeng is head of Haavind’s M&A practice team and his cross-border experience is among the most extensive of any M&A practitioner in Norway. He has assisted in major acquisitions and joint ventures in the U.S., Asia and Africa, as well as in public-to-private transactions. His exceptional expertise in cross-border M&A is confirmed by his client list, which includes many world-leading companies and investments firms, as well as many market-leaders in Norway. Technology and energy remain the areas closest to Partner Hardeng’s heart and he handles numerous matters in these areas each year. He has particularly extensive experience with renewable energy issues. Aside from transaction work, he also advises boards in public companies on deal-related compliance issues, where he provides clients with the benefits of his experience from having been a key adviser in transactions outside Europe. Partner Hardeng has been repeatedly recognized for having a solution-oriented way of working and his ability to master complex issues, interests and people, and use those skills to get the deal done have earned praise from clients.
Harald Hellebust
Hall of fameWiersholm
Partner Harald Hellebust works mainly with transactions, including purchase and sale of businesses for buy-out funds and industrial players. His main areas of expertise are company law and contract law. Hellebust was admitted to the Supreme Court in 2008.
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Sverre Sandvik
Wiersholm
Partner Sverre Sandvik has extensive experience in advising on stock exchange listings, other capital market transactions, mergers and acquisitions, bond loans and general company and securities law. Sverre Sandvik's list of clients includes financial institutions, investment banks, listed companies, private equity companies and governmental bodies.
Jakob Villum
Advokatfirmaet CLP DA
Jakob Villum has extensive experience in mergers and acquisitions, private equity and venture capital transactions, as well as from private equity fund formations, and is also regularly involved in other capital markets transactions, securities law and IT contracts. He is regularly rated as one of the leading private equity and venture capital lawyers in Norway.
Ole Henrik Wille
Wikborg Rein
Ole Henrik is head of the firm's Corporate, Finance and Tax practice. His main areas of practice relate to M&A and equity capital markets transactions. He is one of the most active lawyers in the Norwegian transaction market and has been head lawyer and responsible for a number of M&A and equity capital markets transactions the last years. Prior to the role as head of the corporate practice, he was head of the firms M&A group. From 2015-2017, Ole Henrik was in charge of the corporate division of the firm in the London market. He is a recommended lawyer in international publications such as Chambers, Legal 500 and IFLR1000. He is also top ranked M&A lawyer in the Norwegian Financial Daily's annual lawyers survey. Ole Henrik has broad experience as lecturer in company law at the University of Oslo.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Maria B. Tanemsmo
Arntzen de Besche
Partner. Tanemsmo offers her M&A expertise to both Norwegian and international clients across various industries, with a particular focus on technology, renewable energy, and aquaculture. Additionally, her proficiency extends to managing equity transactions, private equity – and venture processes. 
Leading associates
Rising stars with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
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