The Firm

W5 Group invests into Innovative Living asset classes.


In 2009, Ralph Winter, a successfully European entrepreneur and real estate investor established W5 Group GmbH in Zug, Switzerland as his family office to invest in real estate, private equity and venture capital.


In 2018, W5 launched its US real estate investment activities developing its own substantial real estate portfolios.


In 2024, Ralph Winter established W5 Group LLC as a real estate investment vehicle to invest money on behalf of the Winter family as well as other like-minded ultra-high net worth families, family offices and institutional investors.


W5 Group has offices in Miami, New York, Washington, D.C. and Switzerland.

The W5 Group investment professionals have deep experience in the US and Europe with backgrounds in real estate private equity, investment banking, venture and family office investing.

W5 Group’s professionals and senior advisory circle utilize their private equity and investment banking experience to generate attractive, risk adjusted returns within various sectors. As a family office with long term capital, we target both attractive cash flow yield and capital appreciation.


Ralph Winter

Ralph Winter


Ralph Winter is the Founder and Principal of W5 Group. He is a global real estate investor and entrepreneur spanning various industries. He is most well known for his pioneering vision to invest, develop and manage student housing and micro apartments in Europe before they became mature, institutional asset classes. Ralph amassed a portfolio in excess of 40,000 units and generated over €30 billion in investment transaction volume through multiple market cycles and across the capital structure. Through his seasoned career, he has developed relationships with the world’s leading operating partners throughout Europe and the United States.

Ralph is a member of the Board of Trustees of the Real Estate Management Institute (REMI) of the European Business School and IREBS Immobilienakademie. He serves on the Board of Directors of Best Buddies, the world’s largest organization dedicated to ending the social, physical, and economic isolation of 200 million people with intellectual and developmental disabilities. The Winter Family also supports PowerMy Learning, Youth Against Aids and World Central Kitchen.