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New York & Tri-State  + Midtown New York  + Office  |  May 18, 2026
Paul Bubny
By: Paul Bubny

Prosperity Partners Signs Full-Floor Lease at 575 Madison Ave.

CBRE arranged a 24,426-square-foot office lease at 575 Madison Ave. in Manhattan’s Plaza District. Prosperity Partners, a New York City-based firm specializing in accounting and business consulting services for a diverse clientele, signed a lease for the entire 11th floor of the Steinberg & Pokoik-owned property.

CBRE’s Gregg Rothkin, David Hollander, Bradley Auerbach, Maxwell Tarter and William Hooks lead the leasing and marketing efforts for the property and represented building ownership. Newmark’s Ben Shapiro, Bill Levitsky, and Nathan Kropp, along with Colliers’ Michael Cohen, Jessica Verdi and Rachel Kirkham, represented the tenant.

The firm, which represents Quality Branded LLC, the restaurant group behind the “Quality” restaurants (Quality Italian, Quality Bistro and Quality Meats), as well as a number of other vaunted NYC restaurants such as Don Angie, Smith & Wollensky, Bad Roman and San Sabino, will relocate its offices from 460 Park Ave. Quality Branded will cohabitate the space.

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About Paul Bubny

Paul Bubny serves as Senior Content Director for Connect Commercial Real Estate, a role to which he brings 16-plus years’ experience covering the commercial real estate industry and 30-plus years in business-to-business journalism. In this capacity, he oversees daily operations while also reporting on both local/regional markets and national trends, covering individual transactions across all property types, as well as delving into broader subject matter. He produces 7-10 daily news stories per day and works with the Connect team and clients to develop longer-form content, ranging from Q&As to thought-leadership pieces. Prior to joining Connect, Paul was Managing Editor for both Real Estate Forum and GlobeSt.com at American Lawyer Media, where he oversaw operations at both publications while also producing daily news and feature-length articles. His tenure in B2B publishing stretches back into the print era, and he has served as Editor in Chief on four national trade publications. Since 1999, Paul has volunteered as the newsletter editor of passenger rail advocacy groups (one national, one local).
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