Onsa Advisors SA

Onsa Advisors SA is a Swiss company that strives to embody the traditions of its country of origin

in combining the highest quality service with the utmost discretion.

About us

Onsa Advisors SA retains highly skilled individuals with a wealth of experience in their respective fields of private equity investments, Medtech and biotech, new technologies, the hotel industry, real estate, banking, and wealth management. Our key players include a senior international business lawyer, a successful enterpreneur, financial experts, China experts on investment and immigration consultants.

Through our specialists and network of consultants, we assist families and businesses in three main areas :

Start-ups/scale-up companies and business development


Investment scouting and private equity


Family wealth planning


China expertise

Within these spheres of activity, Onsa aims to develop a strong working relationship with Chinese businesses and individuals. As commercial relations between China and Switzerland strengthen each year, we are proud to contribute by creating opportunities in both countries, for example through introducing investment prospects to Chinese clients or assisting Swiss new technology companies in securing Chinese distributors.

At the personal level, our Chinese experts guide and advise the Chinese families wishing to relocate or to enroll their children in a foreign boarding school.

management team

Yves Bonnard

Chairman, CEO

Nader Donzel

Board member

Philippe Currat

Board member

Yves Marguerat


Stella Fu

Chief medical material
supply chain

Xiao Fang Tong Pillon

Greater China consultant

Jianping Mei

Investment consultant

Cedric Dupuis 

Client account manager

Nancy Shen

Greater China business development

Jonathan Lachowitz

Financial advisor

Call us

+41 (0)58 255 05 00

Find us

Rue du Grand-Pont 12 
1003 Lausanne, Switzerland