Litigation / Arbitration

For procedural disputes or arbitration: rely on many years of international experience.

Legal and tax disputes should be avoided if possible, but sometimes they are unavoidable. Are you already involved in a lawsuit and need legal representation? Or are you looking for support to develop strategies to avoid litigation?

Our team of experienced litigators and procedural specialists can advise and represent you before the authorities, state courts and arbitration tribunals - in the areas of law, tax and compliance. We also regularly act as arbitrators, mediators and conciliators, so we know what is relevant for decision-makers.

Our clients include SMEs, start-ups and renowned international companies. In each case, we pursue the overall interests and develop promising and far-sighted strategies.

Process management

  • Party representation in civil proceedings
  • Party representation in administrative proceedings
  • Preventive legal protection and precautionary measures
  • Legal assistance
  • Enforcement of judgments

Arbitration courts

  • Drafting tailor-made arbitration, mediation, and ADR clauses.
  • Party representation under various arbitration rules and in ad-hoc proceedings
  • Challenging arbitral awards
  • Enforcement of arbitral awards
  • Expert Reports
  • Arbitrator under various arbitration rules and in ad-hoc proceedings.


  • Expert opinions and second opinions


  • Expert opinions and second opinions
  • Preparation and comprehensive support of tax audits for all types of taxes
  • Representation before all tax authorities and courts
  • Obtaining and negotiating bilateral APAs
  • Representation in mutual agreement procedures (MAP)


  • The Legal 500

    MME Legal | Tax | Compliance represents employees and employers in court and arbitration proceedings, with lawyers acting as counsel or arbitrator. The team is ‘very able in international employment matters and those relating to innovative niches such as crypto currency’ and advises clients on international job postings, immigration, the employment aspects of M&A transactions and operational restructurings, as well as incentive, bonus and compensation schemes, among other areas. 

  • Who's who legal

    • Dr. Jonatan Baier: Future Leader in Arbitration 2021.
    • Dr. Bernhard F. Meyer: Global Leader in Arbitration 2021.
    • Dr. Bernhard F. Meyer: National Leader in Arbitration 2021.

    WWL 2020 says of him: "Jonatan Baier is an excellent and very dedicated arbitrator who is highly respected. A colleague also states that he is deeply impressed by his practice in international commercial arbitration."

    WWL 2019 says of him, "Jonatan Baier is an excellent arbitrator who excels in effective and strategic thinking, as well as his impressive ability to grasp the finer details of a case in a short period of time. "

    WWL 2018 says of him: "Jonatan Baier enjoys an excellent reputation in the arbitration world as a dynamic, dedicated and well-prepared lawyer."


    Peers and clients say


    Dr. Jonatan Baier:

    "He has provided us great advice in sorting out the issues and streamlining the proceedings"
    "He has good instincts and his advice is analytical, practical and to the point"
    "Dr Baier is very good with the details of the case, without missing the big picture"
    "Jonatan impressed me with his effective and strategic thinking"
    "A brilliant arbitration and mediation lawyer"

    Dr. Bernhard F. Meyer:

    "He is a very engaging arbitrator"
    "He has really impressed me as an arbitrator more than once - very smart and balanced approach to being a party-appointed arbitrator"

  • BILANZ Top Law Firms Switzerland: "Procedural Law"

    MME Legal | Tax | Compliance was awarded in Bilanz as one of the best law firms in the legal field "Procedural Law" 2021. 

Your Team

We will be pleased to provide you with comprehensive and interdisciplinary advice in the areas of legal and tax.