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Hans Cappelen Arnesen Partner Advokat

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+4723111201 +4790747577 har@thommessen.no Download vCard Oslo
Hasse joined the firm in 1990 and has been a transaction partner since 1996. His practice includes a wide range of M&A and equity capital markets work, acting for corporate clients, PE firms and leading investment banks.

He is consistently ranked in tier 1 in Norway within both Corporate/Capital Markets and M&A. In Kapital's annual lawyer survey he has been ranked as no. 1 for IPOs and other ECM transactions in the period from 2016 to 2025, and ranked among the top 7 M&A lawyers in the same survey from 2016 to 2021.

Hasse was the Chairman of Thommessen from 2014 to 2023.

  1. The Norwegian Financial Daily's annual Lawyer survey
    1st Place, Issues and IPOs

  2. Chambers & Partners Europe and Global
    Band 1, Corporate/M&A

    "Hans Cappelen Arnesen is the number one choice."
    "Hans Cappelen Arnesen is an excellent M&A advisor who is always available and has great insight on all legal matters that might arise in complex M&A projects."

  3. Chambers & Partners Europe and Global
    Band 1, Capital Markets: Equity

    "He has a unique understanding of the ECM market."

  4. Lexology Index
    Thought Leader, Capital Markets: Debt and Equity

  5. Lexology Index
    Recommended Lawyer, M&A

  6. The Legal 500
    Hall of Fame, Commercial, Corporate and M&A

  7. The Legal 500
    Leading Individual, Capital Markets

    "Highly skilled and extremely trustworthy confidant and strategic planner."

  8. IFLR1000
    Market Leader, M&A

  9. IFLR1000
    Market Leader, Capital markets: Equity

  1. Partner, Oslo, Thommessen

  2. Senior Associate/Lawyer, London, Thommessen

  3. Associate, Oslo, Thommessen

  1. Exam in Essential Project Management (5 ECTS)
    Skema Business School

  2. Candidate in Jurisprudence
    University of Oslo

  3. Postgraduate Diploma
    Oslo School of Economy

  1. The Norwegian Chapter in "Private Equity" in The Legal 500 Country Comparative Guides

  2. The Norwegian Chapter in "Private Equity" in The Legal 500 Country Comparative Guides

  3. The Norwegian Chapter in "Private Equity" in The Legal 500 Country Comparative Guides