Our law firm

More than a law firm, a new way of practising law. Choosing Wilhelm Gilliéron Attorneys-at-Law Corp. is the assurance of having a partner who listens to your objectives, with the sole concern of enabling you to achieve them.

Our law firm in Lausanne

Our law firm specializes in Swiss business law and is composed of experienced lawyers capable of advising our clients on the complete range of legal services needed to support their business operations such as the execution of contracts, the setting-up and legal management of their businesses, employment/labour law and human resources management, intellectual property management, civil and business disputes litigations before the ordinary and arbitration courts.

We have recognized experience in transnational and international legal situations.

Wilhelm Gilliéron Attorneys-at-Law Corp. is recommended by Best Lawyers for its expertise and experience in business law.


Wilhelm Gilliéron Attorneys-at-Law Corp. was created by entrepreneurs, for entrepreneurs, with a vision: to become the trusted legal partner of entrepreneurs in the Lake of Geneva region.


Wilhelm Gilliéron Attorneys-at-Law Corp. was born out of an observation: a constantly changing world, both for our clients and for the lawyers that we are, where the concern for efficiency and added value is becoming increasingly important.

On the strength of our many years of experience with companies of all sizes, constantly attentive to the needs of our clients and their expectations, we have deliberately opted for a pragmatic approach in the conduct of our business, without compromising the quality of our work. We avoid all unnecessary legalism and focus on our clients’ business. Our sole concern is to help you to carry out your business successfully, minimizing the risks while accepting to take them when necessary.

Choosing Wilhelm Gilliéron Attorneys-at-Law Corp. means choosing a human-sized structure, where each client benefits from a privileged relationship with people who have a committed entrepreneurial vision of their profession, looking to the future and efficiency to serve you better.


In order to carry out its mission and make its vision a reality, the entire team at Wilhelm Gilliéron Attorneys Corp. works around the following key words, with the aim of providing maximum added value to each mandate you entrust to us:

  • Accompany, support, innovate, progress;
  • Efficiency, reactivity, availability;
  • Excellence;
  • Efficiency (project management, optimization, digitization, alternative pricing methods);
  • Pragmatism;
  • Constantly listening to our customers.

Our only way to win is you!

Areas of expertise

Latest news from
Wilhelm Gilliéron Avocats