Gibson Sotheby's International Realty

What Gibson Sotheby's International Realty does

Gibson Sotheby's International Realty is a privately held residential and commercial real estate brokerage founded in 1962 and headquartered in Boston, Massachusetts. It is the largest independently owned brokerage headquartered in Massachusetts and reports \$3.29 billion in 2024 sales volume, the top figure among Massachusetts-based real estate firms. The company operates as a franchise affiliate of Sotheby's International Realty Affiliates LLC, which provides access to a global network of more than 1,100 offices worldwide for cross-border buyer referrals.

The company delivers brokerage services through 33 offices staffed by more than 700 real estate advisors across Massachusetts, New Hampshire, and Rhode Island, with offices concentrated in Boston neighborhoods (Back Bay, Beacon Hill, South End, Cambridge, Brookline), MetroWest suburbs (Wellesley, Weston, Sudbury, Needham), the North and South Shores, Cape Cod, and Martha's Vineyard. Service lines include residential and commercial sales, rentals, vacation rentals (operated through a dedicated platform at gibsonvacationrentals.com), exclusive new development marketing, relocation and referral services, and pre-market "Coming Soon" listings. The core technology is the Sotheby's International Realty platform, which provides listing infrastructure and global network connectivity rather than proprietary AI or data products.

The business model is transaction-based commission revenue on property sales and leases, with rates that are negotiable and not publicly disclosed. Distribution is sales-led: clients are sourced through the local office network, agent relationships, and inbound referrals from the global Sotheby's network. The company has executed three documented acquisitions, including Benoit Mizner Simon & Co. (2020), Advisors Living (2025), and Madden Group (2026), the latter extending operations into New Hampshire.

Name

Gibson Sotheby's International Realty

Legal name

Gibson Sotheby's International Realty

Website

https://gibsonsothebysrealty.com

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

101–250 employees

Short description

Gibson Sotheby's International Realty is a privately held, Boston-based luxury real estate brokerage founded in 1962, operating 33 offices and 700+ agents across Massachusetts, New Hampshire, and Rhode Island. As a Sotheby's affiliate, it serves residential and commercial buyers, sellers, and relocation clients with global referral reach.

Ownership category

akta.pro rank

Product category

Residential Real Estate Brokerage

NAICS

Offices of Real Estate Agents and Brokers (5312)

SIC

Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Traditional Residential Brokerage (Existing Homes) (BPAJAAAA)

akta.pro secondary industry

Office Brokerage (BPAJABAA)

Keywords

• Residential real estate brokerage
• Luxury property sales
• Commercial real estate services
• Vacation rental services
• Relocation real estate services

Headquarters

HQ city

Boston

HQ country

United States

HQ region

North America

Offices35 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Real Estate Commission: Traditional real estate brokerage earning commissions on property sales and purchases. Agents represent buyers and sellers in residential and commercial transactions.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

Gibson Sotheby's International Realty is a real estate brokerage that facilitates the buying, selling, renting, and leasing of residential and commercial properties across Massachusetts, New Hampshire, and Rhode Island. The firm operates 33 offices staffed by 700+ agents and is affiliated with the Sotheby's International Realty global network of 1,100+ offices, connecting New England properties with international buyers.

Product overview

Gibson Sotheby's International Realty is a real estate brokerage firm that operates as a unified platform offering residential and commercial property sales, rentals, and vacation accommodations. The core product portfolio includes Property Sales Services, Rental Services, and Commercial Real Estate, supplemented by Exclusive Developments (new construction), Vacation Rentals, Relocation & Referrals, and Coming Soon Properties. The company leverages the Sotheby's International Realty global network to connect local expertise with worldwide buyer reach.

Differentiator

Problem solved

Functional benefit

Brands

• Gibson Vacation Rentals: Vacation rental services offered by the company

Products and services

• Property Sales Services Full-service real estate brokerage representation for buyers and sellers of residential properties across Massachusetts, New Hampshire, and Rhode Island, leveraging 33 offices and 700+ agents.
• Commercial Real Estate Commercial property sales and leasing services for investors and business clients throughout New England.
• Vacation Rentals Short-term vacation rental properties offered through a dedicated platform at gibsonvacationrentals.com, serving resort markets such as Cape Cod, Nantucket, and Martha's Vineyard.
• Exclusive Developments Marketing and sales representation for new construction and exclusive development properties.
• Relocation & Referrals Corporate and personal relocation assistance and referral services for clients moving into or out of the New England region.
• Residential Rental Services Listing and tenant-representation services for residential rental properties.

Quantifiable outcome

• $3.29 billion in sales volume in 2024

Named customers2 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core and minor.

• Advisors LivingcoreStrategic or Co-development Partner · 9 October 2025Gibson Sotheby's acquired Advisors Living, a 200-agent firm operating from 16 offices across Massachusetts. The deal expanded Gibson Sotheby's to 33 offices and more than 700 agents statewide. Advisors Living, founded in 2001, continues under the Gibson Sotheby's brand while gaining access to the Sotheby's International Realty global network. Most of Advisors Living's offices were consolidated into Gibson's existing footprint, with five new office locations added.
• Sotheby's International RealtycoreStrategic or Co-development PartnerGibson Sotheby's operates as an affiliate of Sotheby's International Realty, providing access to a global network of 1,100+ offices worldwide. This affiliation enables connection between local New England properties and international affluent buyers.
• SerhantminorGTM or Marketing PartnerSerhant, a New York-based luxury real estate brokerage led by Ryan Serhant, expanded into Boston by recruiting founding members from rival agencies including Gibson Sotheby's International Realty, Compass Group, Boston One Realty Group, and Berkshire Hathaway HomeServices.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Compass: Tech-enabled national residential brokerage operating in Boston and other luxury markets. Directly competes for agents and listings with a technology-led platform and aggressive commission structure.
• Coldwell Banker Realty: Large national residential brokerage with significant presence in Massachusetts and New England. Competes for the same agents, sellers, and buyer pool across the same office geographies.
• Douglas Elliman: Luxury-focused East Coast residential brokerage with growing New England presence. Competes in similar high-ticket price segments and shares the luxury brand-led positioning.
• The Agency: Luxury global boutique brokerage with U.S. operations. Competes in the same high-end residential segment with a similar brand-and-network-led value proposition.
• Engel & Völkers: International luxury residential brokerage with U.S. shops in Boston and Cape Cod. Directly comparable premium brand, international referral network, and luxury client focus.
• Serhant: Luxury-focused residential brokerage that expanded into Boston in 2025 by recruiting founding members from Gibson Sotheby's and other rivals. Competes head-to-head for high-end listings and top-producing agents in the same Massachusetts geography.
• Berkshire Hathaway HomeServices: National residential real estate franchise network with established Massachusetts operations (referenced in the data as a rival to Gibson). Competes in similar price tiers and suburbs.
• William Raveis Real Estate: Family-owned regional luxury brokerage with deep New England footprint, particularly in Connecticut, Massachusetts, and coastal markets. Closest direct regional competitor in scale, luxury positioning, and geographic focus.

Emerging players

• eXp Realty: Cloud-based residential brokerage with a fast-growing agent base, including presence in Massachusetts. Competes primarily on agent economics and remote operating model rather than brick-and-mortar luxury positioning.

Broad incumbents

• Keller Williams Realty: Largest residential brokerage franchise in the U.S. by agent count, with significant Massachusetts operations. Broader incumbent competing on agent recruitment and productivity tools rather than luxury brand identity.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@gibsonsothebysrealty
• Facebookfacebook.com/gibsonsir
• LinkedInlinkedin.com/company/gibson-sotheby
• Instagraminstagram.com/gibson_sir
• TikToktiktok.com/@gibson_sir
• Xx.com/gibsonsir_ma

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A2 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Gibson Sotheby's International Realty