Rosenthal Collins Group (deactivated page) Email Format

Financial ServicesIllinois, United States51-200 Employees

Rosenthal Collins Group was a financial services firm based in Chicago, Illinois, with a mid-sized workforce. It has been acquired by Marex, and its dedicated page has been deactivated. Updates about the company are now tied to Marex’s corporate presence, with information available via Marex’s LinkedIn profile. 

As part of Marex, the former Rosenthal Collins Group is now positioned within a broader financial services platform. In 2026 Marex expanded its outsourcing capabilities in Asia, including the addition of an international outsourced trader in Hong Kong. These developments illustrate ongoing growth and context for the Marex platform, into which Rosenthal Collins Group has been integrated.

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