Important Disclosures

Equal Housing Opportunity. We are pledged to the letter and spirit of U.S. policy for the achievement of equal housing opportunity throughout the Nation. We encourage and support an affirmative advertising and marketing program in which there are no barriers to obtaining housing because of race, color, religion, sex, handicap, familial status, or national origin.

Licensed Real Estate Broker. Maggie Marshall & Co. operates under Compass, a licensed real estate broker (NYS DOS License #10991232340). All agents are licensed in the State of New York.

Standard Operating Procedures. Pursuant to New York Real Property Law §442-h, Compass has established Standard Operating Procedures for prospective purchasers and tenants. A copy of these procedures is available upon request. To the extent a fair housing complaint is filed or litigation is initiated, Compass will cooperate fully with all investigative and legal processes.

Disclaimer. All information presented on this website is from sources deemed reliable but is subject to errors, omissions, changes in price, condition, sale, or withdrawal without notice. No statement is made as to the accuracy of any description or measurements. This website is for informational purposes only and does not constitute an offer or solicitation in any jurisdiction where prior registration is required.

In Good Company

Compass · New York City

Real Estate,
Reimagined for
New York City

In Good Company™

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$1.5B+
In Real Estate Sales
20
Years of Experience
9
New Developments

About MM&Co.

Built on
Relationships.
Driven by Results.

At MM&Co., we believe that success is best shared, and that's the heart of In Good Company™. It's more than a tagline; it's a reflection of who we are and what we do.

Whether we're showcasing beautiful homes, highlighting vibrant neighborhoods, or celebrating the amazing people we work with, everything we do is grounded in the belief that life and real estate are better when you're surrounded by good company.

MM&Co. Team — New York City

MM&Co. at Compass, New York City

What We Do

Advisory,
Start to Finish

From first-time buyers to seasoned investors, our approach is consistent: attentive, strategic, and grounded in what's actually happening in the market.

01

Buying

Navigating New York's market requires more than access; it requires experience. We guide buyers through every step, from search to close.

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02

Selling

We position properties with precision: the right pricing, the right timing, and a presentation that commands the market's attention.

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03

New Development

With 9 new developments in our portfolio, we bring meaningful expertise to advisory and representation in ground-up projects across the city.

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04

Private &
Off-Market

The best opportunities in New York rarely appear publicly. Our network and relationships open doors that the open market simply doesn't.

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05

Market Strategy

Whether timing a purchase or planning a portfolio move, we provide clear market analysis and a considered strategic perspective.

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New York City

Every transaction is a relationship.
Every relationship is a responsibility.

Maggie Marshall
View Bio

Meet the Lead

Maggie
Marshall

Licensed Associate Real Estate Broker

Maggie Marshall brings a relationship-first approach to New York City real estate, pairing strong market knowledge with a calm, strategic process.

Her work is grounded in trust, discretion, and an ability to guide clients clearly through complex decisions, whether purchasing their first New York apartment or building a substantial portfolio.

With over two decades of experience and more than $1.5 billion in career sales, Maggie leads MM&Co. with the kind of quiet confidence the city's most discerning clients rely on.

The Team

In Good Company

Cyrus Blake
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Cyrus Blake

Licensed Real Estate Salesperson

Stephanie Bierlein
View Bio

Stephanie Bierlein

Licensed Real Estate Salesperson

Katie Langham
View Bio

Katie Langham

Director of Operations

Viktoria Nagibina
View Bio

Viktoria Nagibina

Licensed Real Estate Salesperson

Active Listings

Currently in the Market

Browse our active listings directly on Compass — updated in real time.

View Our Listings on Compass

Coverage

In The Press

Nov 3, 2025How the New York City Election Is Shaping the Fall MarketHedges Mar 11, 2025Rattling Around an Empty Brooklyn TowerCurbed Aug 16, 2024Maggie Marshall trades Elliman for CompassThe Real Deal
Apr 23, 2024A Renovation Gave This West Village Townhouse a Little Taste of the SuburbsMansion Global
Feb 9, 2024Hill West Architects completes "sail-like" Dumbo skyscraperDezeen
Jan 2, 2024Designers Unpack The Houzz Emerging Winter Trends ReportForbes
Dec 7, 2023Rooftop Garden Makes This Airy Manhattan Penthouse a Breath of Fresh AirMansion Global
Apr 16, 2019New York's Top 15 Realtors: Agents Helping Jennifer Lopez, Daniel Craig and More Defy the SlowdownThe Hollywood Reporter Nov 14, 2023Brooklyn Development Olympia Dumbo Unveils Luxury Amenity SuiteElliman Insider Nov 10, 2023Explore Brooklyn's twisting 'Olympia' tower as amenities complete in DUMBODesignboom
Aug 10, 2022Douglas Elliman's De Niro Team Fills Us In On The State Of The Luxury MarketGotham Magazine
Apr 30, 2019'Sopranos' Creator David Chase Loses Big on Manhattan PenthouseVariety Feb 5, 2019Mark Ronson plans to drop millions on NYC pied-à-terreNew York Post
Dec 19, 2018The Designs That Make Selling a Home Much, Much HarderThe Wall Street Journal
Dec 1, 2018New Robert A.M. Stern Condo on Park Avenue Sells for Nearly $74 MillionThe New York Times
Sep 8, 2019TV Producer's North Tribeca Townhouse to List for $14.995 MillionMansion Global
Oct 22, 2019Former NBA Player Mike Dunleavy Jr. Lists Manhattan Apartment for Almost $7 MillionMansion Global
Sep 24, 2019Own a 6,670-square-foot Tribeca townhouse with a garden, private garage and condo amenities for $15M6sqft
May 20, 2016Big Ticket: Luxury Condo in the Village, $16 MillionThe New York Times
Apr 1, 2018Lavish 108 Leonard Launches in TriBeCaMann Report
Jul 7, 2023A Fort Greene Brownstone With Central Air and Three More to See, Starting at $1.475MBrownstoner Mar 12, 2024Carroll Gardens conversion pays off for Abramson, HazanThe Real Deal

Stay Current

On Instagram

@maggie_leigh_marshall
Warm luxury interior
New York City architecture
Modern luxury space

Get In Touch

Let's Connect

In good company starts with a conversation. Whether you're buying, selling, or simply exploring your options, reach out and let's connect.

Team MM&Co. at Compass
Location New York City, NY