Department profile
Advokatfirmaet Thommessen AS

Employment

Europe Guide 2026 : Norway

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Advokatfirmaet Thommessen AS

Rankings

About

Provided by Advokatfirmaet Thommessen AS

Our lawyers provide dispute resolution and advisory services in all areas of labour law. We place great emphasis on being knowledgeable about the client's business, and providing clear and commercial advice tailored to the client's needs.

We provide assistance within the entire field of labour law and have long and broad experience across industries. We provide advice related to hiring, ongoing personnel matters, competition clauses, layoffs and staff reductions. Furthermore, we have extensive experience with various incentive schemes, pensions, transactions, business transfers and collective wage agreements.

Our lawyers are also good advisers when companies face more complicated labour law issues. We have extensive experience in negotiations and labour law disputes before the courts, and have assisted with several large high-profiled Norwegian labour law cases in recent years.

Our clients include large Norwegian and international companies, and we regularly provide cross-border advice. The department is highly ranked in the national and international law firm ratings.

Industries (19)

  • Aerospace & Defence
  • Automobiles & Parts
  • Banks
  • Chemicals
  • Commercial & Professional Services
  • Construction & Materials
  • Energy
  • Financial Services
  • Government
  • Industrial Engineering
  • Pharmaceuticals & Life Sciences
  • Private Clients / Individuals
  • Real Estate Finance
  • Real Estate
  • Retail
  • Software & Computer Services
  • Technology, Hardware & Electronics
  • Telecommunications
  • Transportation

Chambers Review

Provided by Chambers

Employment - Norway

Band 2

What the Team is Known For
Thommessen is a strong choice for transactional employment law as well as reorganisation and downsizing processes. It additionally advises companies on pensions, performance and disciplinary mandates as well as terminations and whistle-blowing cases, including litigation and mediation proceedings. The law firm also has expertise in discrimination and whistle-blower cases.
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Work Highlights

Provided by Chambers

  • Thommessen advised the oil and gas company Petoro on all employment law aspects related to the Norwegian state's acquisition of the gas infrastructure on the Norwegian continental shelf, a transaction valued at NOK18.1 billion.

Strengths

Provided by Chambers

  • The lawyers at Thommessen are responsive, available and experienced.

    Employment respondentEurope

  • The department consistently provide solutions that are both legally sound and aligned with broader business strategy.

    Employment respondentEurope

  • The team at Thommessen are consistently time-efficient, direct and focused. They always deliver what’s needed without unnecessary complexity.

    Employment respondentEurope

  • What sets the firm apart is their in-depth specialist knowledge, creative ability and legal expertise.

    Employment respondentEurope

  • Thommessen’s team excels at handling complex matters with clarity and precision.

    Employment respondentEurope

Notable Practitioners

Provided by Chambers

  • Tron Dalheim
    Tron Dalheim

    Tron Dalheim

    Tron Dalheim heads Thommessen's employment team and often assists companies with a whole host of individual and collective labour issues, including whistle-blowing cases, reorganisations and dismissals.

    • The advice Tron gives is sharp, commercial and always valuable.

      Employment respondentEurope

    • He is excellent.

      Employment respondentEurope

    • Tron Dalheim is a go to lawyer for any employment matters in Norway. He is highly recommended, always attentive and always on top of his game.

      Employment respondentEurope
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  • Stein Kimsås-Otterbech
    Stein Kimsås-Otterbech

    Stein Kimsås-Otterbech

    Stein Kimsås-Otterbech is experienced advising on HR processes, workforce management and disciplinary matters. He is also active in contentious mandates such as whistle-blowing cases.

    • I am both impressed and very happy with Stein's contribution.

      Employment respondentEurope

    • When I work with Stein I know he has my back.

      Employment respondentEurope

    • He is the most commercial partner.

      Employment respondentEurope

    • Stein demonstrates strong commercial awareness and outstanding client service.

      Employment respondentEurope
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  • Håkon Berge
    Håkon Berge

    Håkon Berge

    Håkon Berge is active in a wide range of employment mandates, including bargaining agreements, reorganisations, downsizing and dismissals. He also handles contentious matters such as whistle-blowing cases.

    • Håkon's advice has consistently been clear and grounded in a deep understanding of both the legal landscape and our business needs.

      Employment respondentEurope
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Ranked Individuals at Advokatfirmaet Thommessen AS (3)

Norway

Members

Provided by Advokatfirmaet Thommessen AS

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