Company lists · Data refreshed November 2026

Top 25 Engagement agencies based in the United States

Name: Engagement agencies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 22,883 companies tracked

RevenueBase identified 22,883 company matches for engagement agencies associated with the United States as of November 2026 and tracks 524,822 professional contacts across them, including 107,161 with verified work emails. New York is the largest hub.

This list covers company matches for engagement agencies 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 November 6, 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 Nov 6, 2026 How this list was built

22,883Companies

524,822Contacts tracked

107,161Verified emails

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The 25 largest engagement agencies based in the United States

Ranked by team size

Top 25 of 22,883 company matches for engagement agencies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Alorica	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	10001+	56,404 contacts →
	Exact match “We’re passionate about creating customers for life by designing experiences that elevate your brand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Foundever	Exact match	Miami, FL, United StatesHQ recorded Nov 6, 2026	10001+	37,107 contacts →
	Exact match “Foundever® is the next-generation service leader reinventing customer experience (CX).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	IQOR	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Nov 6, 2026	10001+	20,762 contacts →
	Exact match “iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	IBEX	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	10001+	17,868 contacts →
	Exact match “ibex delivers innovative business process outsourcing (BPO), smart digital marketing, online acquisition technology, and end-to-end customer engagement solutions to help companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Acosta	Exact match	Jacksonville, FL, United StatesHQ recorded Nov 6, 2026	10001+	12,431 contacts →
	Exact match “Acosta brings simplicity to retail sales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Qualfon	Exact match	Highland Park, TX, United StatesHQ recorded Nov 6, 2026	10001+	6,719 contacts →
	Exact match “Qualfon provides 360 degrees of customer experience support for your business with mission-driven processes that keep each person at the heart of every interaction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Continuum Global Solutions	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	4,798 contacts →
	Exact match “With a fresh name and decades of contact center expertise, we’re dedicated to collaborative partnerships, understanding your unique needs, and tailoring solutions for an enhanced…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Merkle	Exact match	Columbia, MD, United StatesHQ recorded Nov 6, 2026	10001+	4,725 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Harte Hanks	Exact match	Chelmsford, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,400 contacts →
	Exact match “We are The Customer Company®, a global leader in Customer Experience (CX), Omnichannel Marketing, Data Services, Customer Care, Fulfillment, and Logistics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Marketsource INC	Exact match	Alpharetta, GA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,613 contacts →
	Exact match “MarketSource, an Allegis Group company, is a sales acceleration company focused on delivering better outcomes for many of the world’s most iconic brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Telvista	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,517 contacts →
	Exact match “Email: info@Telvista.com Telvista is a premier provider of contact solutions that drive customer loyalty and create competitive advantage for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Initiative	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,042 contacts →
	Exact match “Initiative unlocks business growth for the world’s most ambitious brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Digitas North America	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,860 contacts →
	Exact match “Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	MRM	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,660 contacts →
	Exact match “MRM is a modern relationship marketing agency that builds enduring brand relationships.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	2020 Companies	Exact match	Southlake, TX, United StatesHQ recorded Nov 6, 2026	10001+	2,643 contacts →
	Exact match “2020 Companies is an award-winning retail sales, merchandising, and experiential marketing agency headquartered in Southlake, TX.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Concentrix Limited Company	Exact match	Newark, CA, United StatesHQ recorded Nov 6, 2026	10001+	2,585 contacts →
	Exact match “Concentrix, Corporation (Nasdaq: CNXC), a top provider of customer experience (CX) solutions and technology, helps some of the best businesses in the world, including over 100…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Alta Resources	Exact match	Neenah, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,341 contacts →
	Exact match “Alta Resources has always worked to be something different.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Marketing Werks	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	n/a	2,265 contacts →
	Exact match “Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	DDB	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,263 contacts →
	Exact match “The birthplace of the creative revolution, DDB is built on the belief that emotional advantage creates business advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Liveops, INC	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	2,072 contacts →
	Exact match “Human-Led, Tech-Powered Customer Service Liveops helps enterprise brands deliver flexible customer service that builds trust, strengthens loyalty, and adapts to changing demand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	BI Worldwide	Exact match	Minneapolis, CT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,006 contacts →
	Exact match “BI WORLDWIDE is a global engagement agency that uses the principles of behavioral economics to produce measurable business results by designing and delivering solutions that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Infocision Management Corporation	Exact match	Akron, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,947 contacts →
	Exact match “InfoCision is an award-winning contact center partner trusted by leading brands for over 40 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Razorfish	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,912 contacts →
	Exact match “Hi there!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Faneuil INC	Exact match	Hampton, VA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,871 contacts →
	Exact match “Faneuil is now part of Continuum Global Solutions This exciting evolution marks a significant step in our commitment to delivering unmatched customer care and transforming digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	George P Johnson Experience Marketing	Exact match	Auburn Hills, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,734 contacts →
	Exact match “GPJ is the world's leading strategic experience marketing agency.” Recorded in the RevenueBase company graph · Nov 6, 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 “engagement agencies”. 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 22,883 engagement agencies based in the United States

See the full list, filter by size, metro and specialty, and access 107,161 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Engagement agencies based in the United States at a glance

As of Nov 6, 2026

20.4%Verified-email coverage

22.9Average contacts per company

1-10Median size (employees)

9.7%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

14,730

11-50

6,151

51-200

1,351

201-500

335

501-1,000

111

1,001-5,000

126

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 22,883 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 “engagement agencies” 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 107,161 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 November 6, 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.

Engagement agencies 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 “engagement agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engagement agencies are there based in the United States?

RevenueBase identified 22,883 company matches for engagement agencies associated with the United States as of November 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?

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

Which city has the most engagement agencies?

New York leads with 2211 company records, followed by Los Angeles (1359) and Miami (615).

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 107,161 professional contacts with verified work emails tracked across these 22,883 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 November 6, 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.