Maggie Gold Seelig

Maggie Gold Seelig has distinguished herself as a leading broker specializing in luxury residential real estate sales. Having represented some of the most discerning buyers and sellers over the past 2 decades, Maggie has become known as the ultimate and discreet real estate professional. Clients value her transparent dealings, deep market knowledge, analytical/strategic thinking, extensive network of connections, fierce advocacy and steady (yet, fun!) disposition.

A New York City native and lawyer by training, Maggie founded MGS Group Real Estate after working at Coldwell Banker. Widely recognized in the industry as a “top broker” for those seeking to buy or sell high-end properties, Maggie knows that being nimble and truly being able to think ‘out of the box’ are critical to achieving her clients’ objectives. With her finger on the pulse of the market, Maggie is singularly focused on negotiating deal terms that exceed client expectations. Indeed, Maggie provides more than clear and sound real estate advice -- she offers strategic thinking that enables her clients to realize every advantage. Over her career, Maggie has advised and brokered some of largest, record breaking and most complicated real estate transactions in her core markets and has personally sold in excess of $2 Billion.

Maggie resides with her family in Harvard Square, Cambridge. She has served on several philanthropic Boards and Committees over the past 20 years, including those for the Institute of Contemporary Art, The JCC of Greater Boston and The Gold Foundation fostering Humanism in Medicine. Currently Maggie is serving on the Board of Advisors of The American Repertory Theatre and also as a member of the Board of Philanthropic Overseers of Boston Children’s Hospital.

#2 Individual Agent in Boston 2024 - WSJ

#2 Individual Agent in Massachusetts 2024 - WSJ

#18 Individual Agent in the Nation 2025 – WSJ

Record Breaking Sales in Boston, Brookline, Cambridge, Newton, Weston, Falmouth and Martha’s Vineyard

Highest Sale in NYC in 2023

RealTrend's The Thousand, Wall Street Journal Top 50 Agents in the Nation 2019-2024

Top Producer, Boston Magazine 2019-2024

150 Most Influential Bostonians 2023 and 2024, Boston Magazine

Hollywood Reporter NYC Power Broker, 2024

Founding Member, The Private List

Luxe List, Boston Common

YPO, New York Metro Chapter