Guillaume Dubray

Ernst & Young LLP engages in the provision of accounting, assurance, tax, transaction, and advisory services. It specializes in the actuarial, analytics and big data, cyber security, accounting compliance and reporting, center for board matters, international financial reporting standards, country tax advisory, global trade, tax accounting, and climate change and sustainability. The company was founded in 1989 and is headquartered in New York, NY.

NetGuardians SA operates as a software company. It offers consulting, implementation, installation, maintenance and troubleshooting services. The company was founded by Joel Winteregg and Raffael Maio in 2007 and is headquartered in Yverdon-les-Bains, Switzerland.

Part of Ernst & Young Global Ltd., Ernst & Young AG is a Swiss company that provides accounting services. The company is based in Zurich, Switzerland.

Rothschild Bank AG (Rothschild Bank Switzerland) is the private banking subsidiary of Rothschild Holding AG, itself a subsidiary of Rothschilds Continuation Holdings AG in Switzerland. Founded in 1969, the firm is located in Zurich with offices in Germany, Hong Kong, Israel, Japan, Singapore, Spain, Great Britain and the Channel Islands. Rothschild Bank Switzerland is a wealth management specialist which provides private banking, trust and financial structuring services to an international clientele of high-net worth individuals and family offices. The firm specializes in international trusts that comprise financial assets as well as non-conventional assets monetized through credit.

Polytech Ventures Holding SA is an Independent Venture Capital firm founded in 2008 by Guillaume Dubray. Polytech Ventures Holding SA is headquartered in Ecublens with additional office in San Mateo.

Batgroup SA provides home cleaning services. The company is based in Lausanne, Switzerland and has subsidiaries in Switzerland.