Company lists · Data refreshed September 2026

Top 25 HR compliance consulting firms based in Chicago, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 12, 2026 196 companies tracked

RevenueBase identified 196 HR compliance consulting firms headquartered in Chicago, United States as of September 2026 and tracks 5,030 professional contacts across them, including 1,999 with verified work emails and 1,424 with mobile numbers. Across the United States, New York is the largest hub for this category (364 companies); Chicago has 195.

This list covers HR compliance consulting firms 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 12, 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 12, 2026 86% judged on-target in blind review

196Companies

5,030Contacts tracked

1,999Verified emails

1,424Mobile numbers

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The 25 largest HR compliance consulting firms based in Chicago, United States

Ranked by team size

Top 25 of 196 HR compliance consulting firms based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 12, 2026. RevenueBase Smart Search rates how each company's information relates to HR compliance consulting firms: 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	Heidrick & Struggles	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	1,001-5,000	3,376 contacts →
	Partial evidence “Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.” Source: RevenueBase Database · checked Sep 12, 2026
2	Synectics INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	201-500	248 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 12, 2026
3	Advanced Resources	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	n/a	223 contacts →
	Partial 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 12, 2026
4	Advanced Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	501-1,000	125 contacts →
	Indirect evidence “Advanced Group provides expertise in talent acquisition and management, outsourcing, and professional services.” Source: RevenueBase Database · checked Sep 12, 2026
5	Ferguson Partners	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 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 12, 2026
6	Careerbuilder Sourcing Solutions	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	201-500	97 contacts →
	Partial evidence “CB Sourcing Solutions, a division of CareerBuilder, is the leading business intelligence consulting firm focused on talent.” Source: RevenueBase Database · checked Sep 12, 2026
7	JBM Recruitment	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	n/a	60 contacts →
	Indirect evidence “Your retained source for executive search!” Source: RevenueBase Database · checked Sep 12, 2026
8	Vantage Leadership Consulting	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	41 contacts →
	Indirect evidence “For over 50 years, we've operated with a single mission: to ensure our customers have the leadership they need to win in the marketplace.” Source: RevenueBase Database · checked Sep 12, 2026
9	The Kaleidoscope Group	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	41 contacts →
	Partial evidence “The Kaleidoscope Group is a business consulting firm helping organizations strengthen leadership, culture, and performance.” Source: RevenueBase Database · checked Sep 12, 2026
10	Blueprint Talent Group LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 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 12, 2026
11	CTS Impact	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	51-200	29 contacts →
	Partial evidence “CTS Impact is a hands-on business consulting firm focused on delivering practical solutions to complex business issues in the areas of Finance, IT and Human Resources.” Source: RevenueBase Database · checked Sep 12, 2026
12	Salesberry Group, LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	25 contacts →
	Indirect evidence “Salesberry Group is a financial, people, and general operations firm serving progressive organizations.” Source: RevenueBase Database · checked Sep 12, 2026
13	Arlington Resources	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 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 12, 2026
14	Talent Intelligence	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	51-200	24 contacts →
	Partial 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 12, 2026
15	STS Strategic Talent Solutions	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	17 contacts →
	Partial evidence “STS is a Chicago-based talent management consulting firm specializing in driving deliberate change in senior executives, leadership teams, and organizations.” Source: RevenueBase Database · checked Sep 12, 2026
16	Sanguine Strategic Advisors	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	17 contacts →
	Partial evidence “Sanguine Strategic Advisors (SSA) applies 25 years of business development, financial, operational, compliance, legal and leadership experience to bring an Optimistic, Insightful…” Source: RevenueBase Database · checked Sep 12, 2026
17	Katalyst Group	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 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 12, 2026
18	Alma Advisory Group	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	11 contacts →
	Partial evidence “Alma Advisory Group (Alma) is a consulting services organization with a mission to foster short- and long-term organizational success through the cultivation of people, practice…” Source: RevenueBase Database · checked Sep 12, 2026
19	Global IQ	Strong evidence	Chicago, United StatesHQ checked Sep 12, 2026	11-50	10 contacts →
	Strong evidence “Global Data \| Global Insights Global IQ is a full suite data-as-a-service provider to meet your HR needs as well as analytics to help you plan for the future and consulting to…” Source: RevenueBase Database · checked Sep 12, 2026
20	Crucial Hire	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	10 contacts →
	Indirect evidence “We are experts in the placement of Human Resources professionals, providing contract, contingency and retained services to start-ups, growth companies, and the Fortune We have a…” Source: RevenueBase Database · checked Sep 12, 2026
21	Vantage Solutions LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	1-10	9 contacts →
	Indirect evidence “At Vantage Solutions, we believe that business success is driven by people.” Source: RevenueBase Database · checked Sep 12, 2026
22	Evolvehr	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	11-50	8 contacts →
	Partial evidence “Founded in 2006, EvolveHR partners with US companies to support their HR needs and drive their people growth.” Source: RevenueBase Database · checked Sep 12, 2026
23	RTR HR And Staffing Services, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	1-10	8 contacts →
	Partial evidence “RTR HR and Staffing Services, LLC connects clients to a strong HR and Staffing team.” Source: RevenueBase Database · checked Sep 12, 2026
24	HR PRO	Partial evidence	Chicago, United StatesHQ checked Sep 12, 2026	1-10	8 contacts →
	Partial evidence “Implementing the highest caliber integrity based human resources solutions and support, to drive top tier business outcomes, by a network of best in class hr pro’s, without the…” Source: RevenueBase Database · checked Sep 12, 2026
25	Illinois Equity Staffing	Partial evidence	Chicago, IL, United StatesHQ checked Sep 12, 2026	1-10	8 contacts →
	Partial evidence “Illinois Equity Staffing is a Chicago-based consulting firm specializing in cannabis education, recruiting, human resources administration, payroll processing and social equity…” Source: RevenueBase Database · checked Sep 12, 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 compliance consulting firms. 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 compliance consulting firms.
Partial evidence: Its own public description names part of HR compliance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name HR compliance consulting firms. 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 196 HR compliance consulting firms based in Chicago, United States

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HR compliance consulting firms based in Chicago, United States at a glance

As of Sep 12, 2026

39.7%Verified-email coverage

28.3%Mobile-number coverage

25.7Average contacts per company

1-10Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

148

11-50

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

1,6590–30

31431–60

761–90

090–180

19180+

Company record updated

Median 69.0d

00–30

2,32731–60

1,70261–90

48690–180

515180+

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 compliance consulting firms, 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 compliance consulting firms”. 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 compliance consulting firms), 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 compliance consulting firms, 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, 1,999 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 12, 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 compliance consulting firms 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 compliance consulting firms, 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 compliance consulting firms are there based in Chicago, United States?

RevenueBase identified 196 HR compliance consulting firms 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?

Heidrick & Struggles, headquartered in Chicago, tops this list with the largest team on record.

Which city in the United States has the most HR compliance consulting firms?

New York leads the United States with 364 headquartered companies, followed by Atlanta (257) and Chicago (195).

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 1,999 verified decision-maker contacts tracked across these 196 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 12, 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.