Ranking tables

Competition/Antitrust | Europe

Norway

The below Competition/Antitrust rankings table provides market-leading insights on the top ranked lawyers and law firms whose advice and legal services can be purchased in Norway. The rankings are the result of extensive research by our internal research team, who conduct interviews with in-house counsel, other third-party experts and private practice lawyers who have worked alongside them. Use our table and ranking system to identify the most suited provider of legal services for you.

Rankings overview for Departments

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1

Band 1

  1. Advokatfirmaet Thommessen AS
    1
    Advokatfirmaet Thommessen AS
    Competition/Antitrust
    2025 | Band 1 | 19 Years Ranked

    Advokatfirmaet Thommessen remains one of the leading competition law firms on the Norwegian market thanks to its ability to handle high-profile follow-on damages actions and complex phase II merger control filings. The team also offers experience in challenges to authority decisions, market inquiries and competition law compliance mandates. It is a popular choice with clients from the grocery, energy and financial services industries. Team members have experience in both contentious and non-contentious public procurement mandates, often in the healthcare and transportation sectors.

  2. BAHR
    1
    BAHR
    Competition/Antitrust
    2025 | Band 1 | 19 Years Ranked

    BAHR is particularly active in assisting clients with obtaining merger control and foreign direct investment approval for proposed mergers and joint ventures. The law firm also represents clients in significant investigations into alleged anti-competitive behaviour. Team members have further experience in state aid matters and contentious and non-contentious public procurement mandates. BAHR's prestigious clientele stems from a range of sectors, including energy and retail, as well as state-owned companies.

  3. Wiersholm
    1
    Wiersholm
    Competition/Antitrust
    2025 | Band 1 | 19 Years Ranked

    Wiersholm moves into the top tier of the rankings for competition law this year on the back of recent work handling complex phase II merger clearance notifications, as well as high-profile investigations into alleged cartels and abuses of dominance and subsequent collective damages actions. The law firm retains its position as a market leader in public procurement mandates, with notable strength in contentious matters, including representing complainants in challenges to tender awards. The team also acts on PPP mandates.

2

Band 2

  1. Wikborg Rein Advokatfirma AS
    2
    Wikborg Rein Advokatfirma AS
    Competition/Antitrust
    2025 | Band 2 | 19 Years Ranked

    Wikborg Rein houses a well-regarded competition law team that offers notable strength in behavioural investigations and market inquiries, as well as representing clients in damages actions and challenges to authority decisions. The law firm assists clients with obtaining competition law approval for proposed mergers and joint ventures. Team members also offer notable experience in both contentious and non-contentious public procurement matters.

3

Band 3

  1. Advokatfirmaet Haavind AS
    3
    Advokatfirmaet Haavind AS
    Competition/Antitrust
    2025 | Band 3 | 17 Years Ranked

    Advokatfirmaet Haavind stands out for its ability to assist with public procurement mandates in the healthcare, defence and transport sectors. The law firm frequently acts for municipalities, ministries and other public sector clients on interim injunctions and challenges to tender awards, as well as advising on procurement proceedings. The firm's competition department offers notable strength in merger control and FDI filings. It additionally assists clients with behavioural investigations and subsequent damages actions.

  2. Advokatfirmaet Schjødt
    3
    Advokatfirmaet Schjødt
    Competition/Antitrust
    2025 | Band 3 | 19 Years Ranked

    Advokatfirmaet Schjødt moves up in the rankings this year on the back of positive feedback from interviewees. The law firm frequently acts on multi-jurisdictional merger control mandates, including phase II proceedings. It has further experience in investigations into possible cartels and other forms of anti-competitive behaviour, as well as assisting clients with appeals against fines.

  3. Arntzen de Besche Advokatfirma AS
    3
    Arntzen de Besche Advokatfirma AS
    Competition/Antitrust
    2025 | Band 3 | 19 Years Ranked

    The team at Arntzen de Besche Advokatfirma covers the full range of competition law matters, advising clients on merger control filings, sector inquiries, behavioural investigations and follow-on damages actions. The law firm also assists with competition law compliance issues, particularly around state aid and sustainability queries. Team members offer additional experience for both construction companies and public bodies in contentious and non-contentious public procurement mandates.

  4. Kvale Advokatfirma DA
    3
    Kvale Advokatfirma DA
    Competition/Antitrust
    2025 | Band 3 | 19 Years Ranked

    Kvale Advokatfirma is well known for representing clients in investigations into possible anti-competitive behaviour, and in challenges to authority decisions. The law firm also advises clients on merger control filings and competition law compliance queries. Team members further assist clients with public procurement and state aid issues.

4

Band 4

  1. Advokatfirmaet Simonsen Vogt Wiig
    4
    Advokatfirmaet Simonsen Vogt Wiig
    Competition/Antitrust
    2025 | Band 4 | 17 Years Ranked

    Advokatfirmaet Simonsen Vogt Wiig is well regarded for handling both contentious and non-contentious public procurement mandates, acting for both bidders and public sector clients. It often assists with procurements in the healthcare sector. The law firm is also active in competition law matters, defending clients in behavioural investigations and assisting them with obtaining competition law approval for proposed mergers.

  2. CMS Kluge
    4
    CMS Kluge
    Competition/Antitrust
    2025 | Band 4 | 8 Years Ranked

    CMS Kluge is a popular choice for public procurement mandates in the energy, transport and technology industries. The team is highly sought after by public authorities, regions and government bodies. It has further experience representing clients before the complaints board. The law firm also has a notable competition law department that offers experience in state aid matters, as well as merger control filings and abuse of dominance investigations.

  3. Selmer
    4
    Selmer
    Competition/Antitrust
    2025 | Band 4 | 19 Years Ranked

    Selmer has a broad competition law practice, advising clients on both merger control filings and investigations into alleged abuses of dominance and possible cartels. The law firm also represents clients in high-profile follow-on damages claims and in competition law compliance mandates. It has a number of clients from the energy, transport and banking industries.