Madison Partners is a California-based investment management firm specializing in real estate transactions and advisory services. The company focuses on off-market deals, particularly in the El Segundo area, offering debt placement, landlord leasing, investment brokerage, and consulting services to clients in the state.

While primarily known for its real estate expertise, Madison Partners has also made strategic investments in the biotechnology sector. Notable portfolio companies include OncoMyx Therapeutics and Viron, with investments typically occurring in Series A and B rounds. The firm's ability to navigate both real estate and biotech investments showcases its versatility and market insight.