Company lists · Data refreshed September 2026

Top 25 Real estate client support outsourcing companies based in the United States

Name: Real estate client support outsourcing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 14,197 companies tracked

RevenueBase identified 14,197 company matches for real estate client support outsourcing companies associated with the United States as of September 2026 and tracks 361,076 professional contacts across them, including 82,694 with verified work emails. Miami is the largest hub.

This list covers company matches for real estate client support outsourcing companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built

14,197Companies

361,076Contacts tracked

82,694Verified emails

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The 25 largest real estate client support outsourcing companies based in the United States

Ranked by team size

Top 25 of 14,197 company matches for real estate client support outsourcing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Coldwell Banker	Exact match	Madison, NJ, United StatesHQ recorded Sep 29, 2026	10001+	33,609 contacts →
	Exact match “Welcome to Coldwell Banker Real Estate LLC, a company founded in 1906 on a commitment to professionalism and customer service which remains the cornerstone of our business…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Compass	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	n/a	28,842 contacts →
	Exact match “Compass is a real estate technology company with a powerful end-to-end platform that supports the entire buying and selling workflow.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Weichert, Realtors	Exact match	Morris Plains, NJ, United StatesHQ recorded Sep 29, 2026	10001+	10,646 contacts →
	Exact match “Since 1969, Weichert Realtors has grown from a single office into one of the nation's leading providers of real estate and related services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Douglas Elliman Real Estate	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	5,001-10,000	9,091 contacts →
	Exact match “Douglas Elliman Inc.(NYSE: DOUG, “Douglas Elliman”) owns Douglas Elliman Realty, LLC, which is one of the largest residential brokerage companies in the United States with…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Howard Hanna Real Estate Services	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	7,846 contacts →
	Exact match “The Hanna Family of Companies proudly provide real estate, title, insurance and mortgage services to clients across 13 states.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	YARDI	Exact match	Santa Barbara, CA, United StatesHQ recorded Sep 29, 2026	10001+	6,294 contacts →
	Exact match “Since 1984, Yardi has grown into the leading provider of high-performance software for the real estate industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Berkshire Hathaway Homeservices California Properties	Exact match	San Diego, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	5,451 contacts →
	Exact match “Proud to be part of Real Estate's Forever Brand.#ReputationMatters LIC# 01317331 At Berkshire Hathaway HomeServices California Properties we believe in putting you first.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Properties	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,691 contacts →
	Exact match “properties Christie's International Real Estate offers local homebuyers and sellers the highest level of service for their real estate needs through our award-winning sales and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	The Keyes Company	Exact match	Miami, FL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,528 contacts →
	Exact match “For property buyers, sellers and agents who need support to help reach their goals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Anywhere Real Estate INC	Exact match	Madison, NJ, United StatesHQ recorded Sep 29, 2026	5,001-10,000	3,290 contacts →
	Exact match “Anywhere Real Estate Inc.(NYSE: HOUS) is moving the real estate industry to what's next.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Baird & Warner	Exact match	Schaumburg, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,160 contacts →
	Exact match “Established in 1855, family-owned Baird & Warner is Chicagoland’s largest independent real estate services company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Intero Real Estate Services	Exact match	Cupertino, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,831 contacts →
	Exact match “It was 2002.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Advanced Call Center Technologies, LLC	Exact match	Berwyn, PA, United StatesHQ recorded Sep 29, 2026	5,001-10,000	2,774 contacts →
	Exact match “Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Remax Real Estate Group	Exact match	Erie, PA, United StatesHQ recorded Sep 29, 2026	n/a	2,681 contacts →
	Exact match “RE/MAX Real Estate Group is recognized as one of the leading real estate companies in Northwestern Pennsylvania with the most experienced and productive sales force in the region.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Watson Realty Corp	Exact match	Jacksonville, FL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,563 contacts →
	Exact match “Since our humble beginnings as a single office in 1965, Watson Realty Corp.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Firstteam	Exact match	Newport Beach, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,537 contacts →
	Exact match “FirstTeam® is a premier real estate brokerage and founding member of Leading Real Estate Companies of the World® (LeadingRE), boasting a near 50-year legacy of excellence & market…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	United Real Estate	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 2026	n/a	1,985 contacts →
	Exact match “United Real Estate was created to solve the challenges faced by Agents and Brokers in maintaining profitability in an increasingly competitive marketplace.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Hunt Real Estate ERA	Exact match	Depew, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,817 contacts →
	Exact match “A leader in the residential real estate industry with over 100 years of experience, the HUNT brand is recognized for consumer-oriented real estate products and services and some…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Support Services Group	Exact match	Waco, TX, United StatesHQ recorded Sep 29, 2026	5,001-10,000	1,710 contacts →
	Exact match “Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	LA Rosa Realty	Exact match	Celebration, FL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,478 contacts →
	Exact match “LaRosaRealty.com At La Rosa Realty, LLC, we believe in agent success, and helping Agents "GROW THEIR BUSINESS".” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Century 21 Affiliated	Exact match	Madison, WI, United StatesHQ recorded Sep 29, 2026	201-500	1,380 contacts →
	Exact match “We’re CENTURY 21 Affiliated, a real estate organization producing leading edge real estate services for the dynamic real estate market.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Serhant	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	n/a	1,240 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Russ Lyon Sotheby's International Realty	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,197 contacts →
	Exact match “Russ Lyon Sotheby's International Realty has gathered realty craftsmen dedicated to the ideals of integrity and professionalism.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Berkshire Hathaway Homeservices Penfed Realty	Exact match	Alexandria, VA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,179 contacts →
	Exact match “Berkshire Hathaway HomeServices PenFed Realty is a full-service real estate company, with real estate professionals and more than 50 offices ready to assist our clients with…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Signature Premier Properties	Exact match	East Northport, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,101 contacts →
	Exact match “Co-owners Peter Morris and Kathy Viard share a visionary strategy focused on clients, community and carefully targeted expansion that has propelled us into Long Island’s…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “real estate client support outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 14,197 real estate client support outsourcing companies based in the United States

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Real estate client support outsourcing companies based in the United States at a glance

As of Sep 29, 2026

22.9%Verified-email coverage

25.4Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · Miami

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

8,758

11-50

3,725

51-200

1,094

201-500

326

501-1,000

110

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 14,197 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “real estate client support outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 82,694 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Real estate client support outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “real estate client support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many real estate client support outsourcing companies are there based in the United States?

RevenueBase identified 14,197 company matches for real estate client support outsourcing companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Coldwell Banker tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most real estate client support outsourcing companies?

Miami leads with 350 company records, followed by New York (254) and Houston (196).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 82,694 professional contacts with verified work emails tracked across these 14,197 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.