Company lists · Data refreshed September 2026

Top 25 Retained search services based in the United States

Name: Retained search services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 10,637 companies tracked

RevenueBase identified 10,637 company matches for retained search services associated with the United States as of September 2026 and tracks 174,201 professional contacts across them, including 42,033 with verified work emails. New York is the largest hub.

This list covers company matches for retained search services 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 21, 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 21, 2026 How this list was built

10,637Companies

174,201Contacts tracked

42,033Verified emails

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The 25 largest retained search services based in the United States

Ranked by team size

Top 25 of 10,637 company matches for retained search services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Robert Half	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 21, 2026	10001+	25,574 contacts →
	Exact match “At Robert Half, we prioritize your security-if you believe you've encountered a scam or fraudulent recruiter, please report it immediately to All Robert Half recruiters…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Heidrick & Struggles	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,376 contacts →
	Exact match “Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Beacon Hill	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,238 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Spencer Stuart	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,889 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Addison Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,840 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Non-Clinical Healthcare, Information Technology (IT), Human…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	SELF	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	n/a	1,431 contacts →
	Exact match “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	ASK Consulting	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 21, 2026	501-1,000	1,296 contacts →
	Exact match “ASK Consulting is an award-winning technology and professional services recruiting firm servicing Fortune 500 organizations nationally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	GSI	Exact match	Tampa, FL, United StatesHQ recorded Sep 21, 2026	n/a	1,183 contacts →
	Exact match “Founded in 1997, GSI specializes in five primary practice areas, Life Sciences (biotechnology, pharmaceuticals, biomedical technologies), Medical Device/Capital Equipment…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Planet Pharma	Exact match	Raleigh, NC, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,088 contacts →
	Exact match “Founded in 2012, Planet Pharma is a global leader in life sciences recruitment and staffing, specializing in Pharmaceuticals, Biotechnology, Medical Device, Labs & Healthcare…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Accounting & Finance Professionals	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 21, 2026	n/a	973 contacts →
	Exact match “With over a decade of experience, we specialize in Finance, Accounting, Administrative, and Executive staffing markets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Self Opportunity, INC	Exact match	Lewisville, TX, United StatesHQ recorded Sep 21, 2026	n/a	969 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Career Strategies	Exact match	Round Rock, TX, United StatesHQ recorded Sep 21, 2026	n/a	955 contacts →
	Exact match “Career Strategies is a full service staffing firm specializing in Property Management, Healthcare and Professional Services recruitment.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Boyden	Exact match	Tarrytown, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	939 contacts →
	Exact match “Transforming today’s organisations with tomorrow’s leaders.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Vbeyond Corporation	Exact match	Hillsborough, United StatesHQ recorded Sep 21, 2026	201-500	878 contacts →
	Exact match “VBeyond is a Search and HR consulting firm- by the Professionals, for the Professionals and of the Professionals!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	H.P. Associates, INC	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	n/a	869 contacts →
	Exact match “H.P.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Elite Network	Exact match	San Francisco Bay, CA, United StatesHQ recorded Sep 21, 2026	n/a	841 contacts →
	Exact match “Elite Network is a recruiting firm specializing in accounting and finance, with deep roots in the Bay Area and clients across the country.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	True Search	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	807 contacts →
	Exact match “True is modernizing executive hiring by combining global search expertise with the True AI Capability Index™, the industry’s only methodology for assessing candidate adaptability…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Eastridge Workforce Solutions	Exact match	San Diego, CA, United StatesHQ recorded Sep 21, 2026	n/a	803 contacts →
	Exact match “Eastridge Workforce Solutions is a trusted staffing partner helping businesses build stronger, more productive teams across industrial and professional sectors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Stanton Chase Executive Search & Leadership Consultants	Exact match	Austin, TX, United StatesHQ recorded Sep 21, 2026	501-1,000	766 contacts →
	Exact match “Great organizations need exceptional leaders.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Cynet Systems	Exact match	Sterling, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	732 contacts →
	Exact match “Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Solomon Page	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	687 contacts →
	Exact match “Founded in 1990, Solomon Page is a leading staffing and executive search firm headquartered in New York City with offices across the United States.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	DHR Global	Exact match	Chicago, IL, United StatesHQ recorded Sep 21, 2026	501-1,000	656 contacts →
	Exact match “For more than 35 years, DHR has been a leading provider of executive search, leadership consulting and emerging leader search solutions, serving more than 60 markets around the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	ZRG	Exact match	Rochelle Park, NJ, United StatesHQ recorded Sep 21, 2026	201-500	606 contacts →
	Exact match “ZRG is a global talent advisory firm that is changing the way companies hire and manage talent.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Cybercoders	Exact match	Irvine, CA, United StatesHQ recorded Sep 21, 2026	201-500	531 contacts →
	Exact match “CyberCoders, a division of ASGN Incorporated, is a leading permanent placement recruiting firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Options Group	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	201-500	498 contacts →
	Exact match “Options Group is a leading global executive search and strategic consulting firm specializing in financial services including capital markets, global markets, alternative…” Recorded in the RevenueBase company graph · Sep 21, 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 “retained search services”. 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 10,637 retained search services based in the United States

See the full list, filter by size, metro and specialty, and access 42,033 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Retained search services based in the United States at a glance

As of Sep 21, 2026

24.1%Verified-email coverage

16.4Average contacts per company

1-10Median size (employees)

8.3%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

7,294

11-50

2,464

51-200

637

201-500

138

501-1,000

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 10,637 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 “retained search services” 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 42,033 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 21, 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.

Retained search services 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 “retained search services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many retained search services are there based in the United States?

RevenueBase identified 10,637 company matches for retained search services 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?

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

Which city has the most retained search services?

New York leads with 885 company records, followed by Chicago (335) and Atlanta (288).

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 42,033 professional contacts with verified work emails tracked across these 10,637 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 21, 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.