PAST PROJECTS

Success Stories

We are known for consistently outperforming the competition within every submarket.

$20 Billion Sold

A testament to our ability to create value, shape markets, and deliver results that redefine what's possible.

40M Annual Impressions

Proof that our ideas don't just reach audiences, they resonate.

100+ Developments Sold

Defining neighborhoods and setting new benchmarks in design, marketing, and sales.

Positioning the World’s Foremost Developers

Trusted by leading developers to shape their brands through storytelling, strategic insight, and transformative project execution.

CASE STUDIES
  • Upper West Side, Manhattan
  • Developer: GTIS Partners
  • Interior Design: Stephen Sills
Designed by Emile Gruwe and completed in 1886, 101 West 78th Street is a bold and distinctive landmark building located directly across the street from its architectural contemporary, the American Museum of Natural History. This turn-of-the-century treasure was thoughtfully restored and thoroughly modernized to preserve the historical fabric of the building and create an elegant, modern boutique condominium for the 21st century. Stephen Sills, an Architectural Digest AD100 designer, fashioned the building’s lobby, amenity spaces, and a collection of carefully conceived two-to-five-bedroom residences.

$20.15M Penthouse Sale

The highest price ever paid on Columbus Avenue north of 72nd Street

Predevelopment Advisory

Transformed building envelope into a collection of 23 grand residences

Design Collaborations

Smallbone of Devizes, Waterworks and Hyde Park mouldings customized finishes

"The prestigious location across from the Natural History Museum and Central Park, the touch and eye of Stephen Sills, the generous size and layout of these pre-war rooms, the attention to detail, and the delivery of these condominium residences combine to make this property one of the most sought-after offerings."

Tom Shapiro

President, GTIS

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PAST PROJECTS

551 West 21st Street

Manhattan

52 Convent

Manhattan

17 Convent

Manhattan

12 East 88

Manhattan

269 West 87th Street

Manhattan

The Clare

Manhattan

The Westerley

Manhattan

233 18th Street

Brooklyn

613 Baltic Street

Brooklyn

100 East 53rd Street

Manhattan

The Smile

Manhattan

852 St Johns

Brooklyn

Marina Way

Connecticut

Six Garfield

Brooklyn

The Catskill Project

Hudson Valley

The Rowan

Queens

92 Morningside

Manhattan

539 4th Street

Brooklyn

19 Park Place

Manhattan

138 North 10th Street

Brooklyn

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