W5 Group

W5 Group, founded in 2009, is the family office of global real estate entrepreneur Ralph Winter, headquartered in Miami with offices in New York, Washington, D.C., and Switzerland. It specializes in innovative residential real estate investments including multifamily, student housing, single-family rental, shared living, and micro living across the US and Europe.

Winterberg Group is a Swiss multi-family office founded in 2011 with offices in Zug and Gronwald. It focuses on mature-stage buyouts of small to mid-sized industrial technology companies in Europe and early-stage growth capital investments across Europe, the US, and South Africa.

WRM Group is a London, UK-based multi-family office. Established in 2009, the firm invests and manages the wealth of a select group of high-net-worth individuals and families, with offices in London, Luxembourg and Malta.

Swiss 5 Group is an independent multi-family office for wealthy private clients and entrepreneurs.

W Investments, based in Montreal, Canada, is a private equity fund investing mainly in private equity and real estate, focusing on minority positions in businesses with enterprise values of at least $30 million. Founded by experienced entrepreneurs, the firm's founders maintain significant capital alignment with investors.

RWN Management, LLC is a single family office based in New York City, primarily focused on yield, opportunistic investments, and venture capital across various asset classes, including real estate private equity, credit strategies, and energy. The firm offers comprehensive investment management services along with tax and estate planning.