Guillaume Dubray

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.

PropTech Partners SA provides real estate brokerage services. It offers home valuation, professional photos and virtual tour, creating sales materials, instant broadcast on all the major home portals, visits, feedback and contact management, negotiating offers, and a fixed price. The company was founded on July 6, 2017 and is headquartered in Lausanne, Switzerland.

Active Niche Funds SA provides investment advice. The private company is based in Lausanne, Switzerland. and has subsidiaries in Switzerland. The Swiss company was founded in 2007 by Guillaume Dubray, Philippe Rochat, Pascal Rochat. Pascal Rochat has been the CEO since 2007.

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.

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.

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

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.