Former Madison Avenue Securities, LLC broker David Olsen (CRD# 4823650) is accused of real estate losses. He was registered with Madison Avenue Securities, LLC in Fort Lauderdale, Florida, from January to December 2025, and from 2017 to 2023, and Northwestern Mutual Investment Services, LLC in Ft Lauderdale, Florida, from 2013 to 2017.
David Olsen Customer Complaints
He has been the subject of one customer complaint, according to his CRD report:
January 2026. “Claimants allege unsuitable recommendations on 1031 Exchange Alternative Investments.” The customer is seeking $582,000 in damages, and the case is currently pending. The complaint was regarding real estate security losses, and it took place while he was registered with Madison Avenue Securities, LLC.
Pursuant to FINRA Rules, member firms are responsible for supervising a broker’s activities during the time the broker is registered with the firm. Therefore, Madison Avenue Securities, LLC may be liable for investment or other losses suffered by David Olsen’s customers.
Erez Law represents investors in the United States for claims against brokers and brokerage firms for wrongdoing. If you have experienced investment losses, please call us at 888-840-1571 or complete our contact form for a free consultation. Erez Law is a nationally recognized law firm representing individuals, trusts, corporations and institutions in claims against brokerage firms, banks and insurance companies on a contingency fee basis.
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