Dr. Balz Hösly

Legal Partner, Certified Specialist SBA Inheritance Law, TEP, Mediator SBA


Balz Hösly is a renowned practitioner in strategic legal advice & risk management and corporate & public governance. As a Certified Specialist SBA Inheritance Law and TEP he leads the MME private clients’ team and is an expert in international inheritance and estate planning and in corporate succession. In the context of his work as a Mediator SBA he also focuses on conflict and reputation management in economic contexts. Balz Hösly is chairman and member of several boards of directors.

Get to know our partner Balz Hösly in this German short video:

Business activities

  • International Estate Planning, Inheritance and Succession Law
  • Strategic Legal Advice, Strategy Development and Strategic Change
  • Corporate Governance, Risk Management and Board memberships
  • Conflict and Reputation Management and Mediation
  • Public Governance and Public Private Partnerships


Swiss Bar Association (SBA): Mediator SBA 
Swiss Bar Association (SBA): Certified Specialist SBA Inheritance Law  
Centre for Corporate Governance, University of St. Gallen: Certificate in Corporate Governance 
Zurich University of Applied Sciences (zhaw/IAP): Certificate in systemic and solution focused coaching 
MZSG (Malik Management Institute), St. Gallen: System-orientated Management 
Institute for Management Development (IMD), Lausanne: Program for Executive Development (PED)  
Zurich University (Dr. iur.)


  • German
  • English
  • French

Board Memberships

  • Chairman of the board: Greater Zurich Area, Zurich (investment promotion agency; public private partnership)
  • Chairman of the board: AG Hallenstadion, Zurich (Switzerland’s biggest multifunctional indoor arena with private and public shareholders)
  • Member of the board: Showwerk AG, Aegeri (facility & venue Management, showproductions, eventmanagement)
  • Member of the board: Bombardier Transportation (Switzerland) AG, Zurich (rail transportation technology)
  • Member of the board: MCH Group AG, Basel
  • 2007-2015: Member of the board: Nationale Suisse Versicherungsgesellschaft, Basel, as chairman of th risk committee and member of the audit committee
  • 2014-2016: Member of the board:Helvetia Holding AG, St. Gallen (internationally operating Swiss insurance company, listed at the SIX)
  • 2006-2010: Chairman of the board: Ticketcorner Holding AG, Rümlang (Swiss market leader in ticketing; private equity stock company)

Teaching Assignments

  • IFZ-Institute, Lucerne University of Applied Sciences and Arts: Crisis and Reputation Management
  • ZfU Business School (Visiting Faculty): Strategic Risk Management in the board of directors University of St. Gallen: Location and FDI Strategy


The Legal 500 (www.legal500.com)

Recommended Lawyer 2016 for Private Clients:

"MME Legal | Tax | Compliance regularly advises high-net-worth individuals on their estate planning and retirement arrangements. Balz Hösly is an 'excellent estate planner' and 'very good at mediating inheritance disputes'."

Recommende Lawyer 2018 for Private Clients:

"MME Legal | Tax | Compliance ‘has profound expertise and know-how in private client matters and offers an excellent level of competence in business succession law’ as well as ‘a high service level and an outstanding work quality’; inheritance law and the financial aspects of matrimonial law are equally important core areas for the team. ‘Insightful and trustworthy strategic thinker’ Balz Hösly is ‘very experienced and hands-on in succession planning for small and medium-sized companies’ and senior associate Alexandra Geiger is also recommended for her inheritance and estate planning expertise."

Recommended Lawyer 2019 for Private Clients:

"MME – Legal | Tax | Compliance 'chooses its teams well, maintains a good internal communication and works hand-in-hand with each other'. It is best known for acting for clients in international inheritance, financial matrimony matters, company succession and tax matters. The team is led by 'profoundly knowledgeable, experienced and pragmatic estate law specialist' Balz Hoesly and also includes the 'excellent' Martina Aepli. Senior associate and inheritance law specialist Alexandra Geiger is another name to note."

Practical Experience

since 2004
Partner at MME  
CEO of Switzerland's export promotion agency Osec (today: Switzerland - Global Enterprise)   
CEO ad interim of an internet banner advertising company   
Winterthur Insurance Group, member of the senior management team    
Project Director for the Winterthur Group's global strategy review    
Project Director to develop and CEO of a new subsidiary company in Switzerland (direct insurance based on alternative distribution channels)    
Head Market Development and Services Europe  

 Intercultural Experience

  • Working and living experience in the U.K. and Belgium
  • International working and negotiating experience in European and oversea markets on top management and government level
  • Active support in establishing an international network of law firms

 Political and Administrative Experience

  • Working experience with the Swiss federal administration (state secretariat for economy: seco; foreign ministry: EDA) and the administration of the Canton of Zurich
  • Member of the Zurich State Senate (parliament), 1991-2003 and Leader of the Liberal Democratic Group (FDP = conservative, republican in the State Senate, 1996-2003 
  • Member of the Executive Board of the Zurich State Senate and President of the State Senate’s Committee for administrative and parliamentary reforms (New Public Management), 1996-2003


  • Swiss Bar Association (SAV)
  • Zurich Bar Association (ZAV)
  • Successio (Swiss association for inheritance law)
  • Society of Trust and Estate Practitioners (STEP)
  • European Corporate Governance Institute (ECGI)
  • Rotary Club Zurich Turicum
  • Chevalier dans l'Ordre National du Mérite (France)
  • Golf Club Breitenloo