Company lists · Data refreshed September 2026

Top 25 HR outsourcing advisors based in Chicago, United States

Name: HR outsourcing advisors based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 197 companies tracked

RevenueBase identified 197 HR outsourcing advisors headquartered in Chicago, United States as of September 2026 and tracks 4,230 professional contacts across them, including 1,005 with verified work emails. Across the United States, New York is the largest hub for this category (464 companies); Chicago has 197.

This list covers HR outsourcing advisors headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

197Companies

4,230Contacts tracked

1,005Verified emails

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The 25 largest HR outsourcing advisors based in Chicago, United States

Ranked by team size

Top 25 of 197 HR outsourcing advisors based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to HR outsourcing advisors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Peoplescout	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,173 contacts →
	Indirect evidence “PeopleScout, a TrueBlue company, is a global talent solutions leader.” Source: RevenueBase Database · checked Sep 30, 2026
2	Atlas HXM	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	501-1,000	580 contacts →
	Indirect evidence “Atlas HXM understands how people work.” Source: RevenueBase Database · checked Sep 30, 2026
3	Synectics INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	201-500	248 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
4	Advantage XPO	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	237 contacts →
	Indirect evidence “Ranked among HRO Today's Top 13 global recruiting firms, Advantage xPO's objective is clear-cut: the perfect alignment of talent with clients' staffing needs.” Source: RevenueBase Database · checked Sep 30, 2026
5	Advanced Resources	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	n/a	223 contacts →
	Indirect evidence “Over our 30+ year history, Advanced Resources has supported thousands of clients as they tackle their human capital challenges by providing staffing, direct hire, and consulting…” Source: RevenueBase Database · checked Sep 30, 2026
6	Hirewell	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	134 contacts →
	Indirect evidence “Hirewell is a global talent solutions provider that combines domain expert recruiters with modern hiring strategy to deliver people who make a difference.” Source: RevenueBase Database · checked Sep 30, 2026
7	Advanced Group	Partial evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	501-1,000	125 contacts →
	Partial evidence “Advanced Group provides expertise in talent acquisition and management, outsourcing, and professional services.” Source: RevenueBase Database · checked Sep 30, 2026
8	Scale Virtually	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	201-500	111 contacts →
	Indirect evidence “Scale Virtually is a world-class staffing agency that finds brilliant talent and fully integrates them into your business.” Source: RevenueBase Database · checked Sep 30, 2026
9	Ferguson Partners	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	106 contacts →
	Indirect evidence “As a global talent management boutique serving all industries and with a strong concentration of real assets, healthcare, hospitality, and private equity clients, Ferguson…” Source: RevenueBase Database · checked Sep 30, 2026
10	FELIX	Partial evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	106 contacts →
	Partial evidence “Felix is a North American-based talent and organizational advisor with over 30 years of successful client engagements.” Source: RevenueBase Database · checked Sep 30, 2026
11	Careerbuilder Sourcing Solutions	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	201-500	97 contacts →
	Indirect evidence “CB Sourcing Solutions, a division of CareerBuilder, is the leading business intelligence consulting firm focused on talent.” Source: RevenueBase Database · checked Sep 30, 2026
12	JBM Recruitment	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	n/a	60 contacts →
	Indirect evidence “Your retained source for executive search!” Source: RevenueBase Database · checked Sep 30, 2026
13	Globalcybers	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	47 contacts →
	Indirect evidence “From Talent to Automation, We Power Business Growth & Global Team Expansion We are a non-IT staffing partner helping companies hire and scale their teams efficiently, with…” Source: RevenueBase Database · checked Sep 30, 2026
14	Scouts	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	n/a	40 contacts →
	Indirect evidence “Scouts offers a sourcing-as-a-service model created to serve selective recruiting processes.” Source: RevenueBase Database · checked Sep 30, 2026
15	North Bridge Staffing Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	37 contacts →
	Indirect evidence “North Bridge Staffing was established in 2002 by Gerrie and Pat Dugan, who believed there was a need to provide customized talent solutions to clients, associates, and candidates.” Source: RevenueBase Database · checked Sep 30, 2026
16	Blueprint Talent Group LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	34 contacts →
	Indirect evidence “We help high-growth companies find, develop, and retain great talent- create people strategy aligned with your values, culture, and business goals - develop the story that…” Source: RevenueBase Database · checked Sep 30, 2026
17	RJ Reliance, INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	34 contacts →
	Indirect evidence “RJ Reliance is the leading client-focused Human Capital Management solution and service partner.” Source: RevenueBase Database · checked Sep 30, 2026
18	Armada Human Capital	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	28 contacts →
	Indirect evidence “Welcome to Armada Human Capital!” Source: RevenueBase Database · checked Sep 30, 2026
19	Arlington Resources	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	24 contacts →
	Indirect evidence “Arlington Resources specializes in the placement of Human Resources Professionals for direct hire, contract and temporary services.” Source: RevenueBase Database · checked Sep 30, 2026
20	Talent Intelligence	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	24 contacts →
	Indirect evidence “Talent Intelligence is a global talent acquisition and management consulting firm that works with top companies around the world to attract and retain key management and C-Suite…” Source: RevenueBase Database · checked Sep 30, 2026
21	Launchways	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	21 contacts →
	Indirect evidence “Simple, strategic solutions for Human Resources, Payroll, Employee Benefits, and Business Insurance.” Source: RevenueBase Database · checked Sep 30, 2026
22	Work Friendly	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	20 contacts →
	Indirect evidence “Work Friendly is the people infrastructure platform for growing companies.” Source: RevenueBase Database · checked Sep 30, 2026
23	Chamberlain Advisors	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	51-200	20 contacts →
	Indirect evidence “Chamberlain is a talent acquisition firm for organizations that seek human capital differentiation.” Source: RevenueBase Database · checked Sep 30, 2026
24	Katalyst Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	13 contacts →
	Indirect evidence “Katalyst Group is a boutique executive search and project resources firm specializing in the representation of corporate finance, accounting, and human resources professionals.” Source: RevenueBase Database · checked Sep 30, 2026
25	IFG US	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	11-50	12 contacts →
	Indirect evidence “With over 15 years of expertise in human capital solutions, IFG US partners with Fortune 500 companies and fast-growing startups nationwide to turn staffing challenges into…” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: HR outsourcing advisors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names HR outsourcing advisors.
Partial evidence: Its own public description names part of HR outsourcing advisors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name HR outsourcing advisors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 197 HR outsourcing advisors based in Chicago, United States

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HR outsourcing advisors based in Chicago, United States at a glance

As of Sep 30, 2026

23.8%Verified-email coverage

21.5Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

132

11-50

51-200

201-500

501-1,000

1,001-5,000

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

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among HR outsourcing advisors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Chicago, United States whose own description of what they do matches “HR outsourcing advisors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names HR outsourcing advisors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among HR outsourcing advisors, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,005 across the full list. 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 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

HR outsourcing advisors by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names HR outsourcing advisors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many HR outsourcing advisors are there based in Chicago, United States?

RevenueBase identified 197 HR outsourcing advisors headquartered in Chicago, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Peoplescout, headquartered in Chicago, tops this list with the largest team on record.

Which city in the United States has the most HR outsourcing advisors?

New York leads the United States with 464 headquartered companies, followed by Atlanta (283) and Houston (219). Chicago has 197.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,005 verified decision-maker contacts tracked across these 197 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.