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Company lists · Data refreshed September 2026

Top 25 Operational efficiency consultants based in Chicago, United States

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 216 companies tracked

RevenueBase identified 216 operational efficiency consultants headquartered in Chicago, United States as of September 2026 and tracks 9,586 professional contacts across them, including 4,142 with verified work emails. New York is the largest hub.

This list covers operational efficiency consultants 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 20, 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 20, 2026 86% judged on-target in blind review
216Companies
9,586Contacts tracked
4,142Verified emails
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The 25 largest operational efficiency consultants based in Chicago, United States

Ranked by team size
Top 25 of 216 operational efficiency consultants based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to operational efficiency consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1
Kearney
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20265,001-10,0006,978 contacts →

Indirect evidence

“As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.”

Source: RevenueBase Database · checked Sep 20, 2026
2
DLC
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-500546 contacts →

Indirect evidence

“DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.”

Source: RevenueBase Database · checked Sep 20, 2026
3
Aarete
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-500543 contacts →

Indirect evidence

“AArete is a global management and technology consulting firm specializing in driving profitability improvement, digital transformation, and strategy & change for clients.”

Source: RevenueBase Database · checked Sep 20, 2026
4
Diamond Management & Technology Consultants
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026501-1,000114 contacts →

Indirect evidence

“Diamond is a management and technology consulting firm.”

Source: RevenueBase Database · checked Sep 20, 2026
5
W. Capra
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202651-200108 contacts →

Indirect evidence

“W.”

Source: RevenueBase Database · checked Sep 20, 2026
6
CGN Global
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-500104 contacts →

Indirect evidence

“A Chicago-based firm with offices in Mexico, the UK, France, Turkey, India, and China, providing supply chain, digital, strategy and transformation consulting services to…”

Source: RevenueBase Database · checked Sep 20, 2026
7
Logan Consulting
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202651-20084 contacts →

Indirect evidence

“Logan Consulting helps manufacturing, distribution and service companies use technology to reduce costs and increase sales resulting in higher company profits.”

Source: RevenueBase Database · checked Sep 20, 2026
8
Gibson Consulting
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202651-20075 contacts →

Indirect evidence

“Gibson Consulting is a Chicago-based Supply Chain Consulting Firm that has served global clients in over 100 countries for 35 years.”

Source: RevenueBase Database · checked Sep 20, 2026
9
The Keystone Group
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5063 contacts →

Indirect evidence

“The Keystone Group is a results-oriented management consulting firm.”

Source: RevenueBase Database · checked Sep 20, 2026
10
Bluerock
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-50053 contacts →

Indirect evidence

“BlueROCK was founded on the premise that all companies should have a trusted partner for unbiased technology advice and guidance.”

Source: RevenueBase Database · checked Sep 20, 2026
11
Liberty Advisor Group
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-50048 contacts →

Indirect evidence

“Liberty Advisor Group is now a Resultant company, uniting senior-led strategic advisory with a 300+-person technical engine to turn complex business challenges into measurable…”

Source: RevenueBase Database · checked Sep 20, 2026
12
Acliviti
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5038 contacts →

Indirect evidence

“At Acliviti, we believe exceptional customer experience isn’t just a tech initiative - it’s a strategic advantage.”

Source: RevenueBase Database · checked Sep 20, 2026
13
PLG Consulting
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5037 contacts →

Indirect evidence

“PLG Consulting | Supply Chain Strategy & Logistics Optimization Practical Solutions for the Industrial Economy For over 20 years, PLG Consulting has delivered practitioner-led…”

Source: RevenueBase Database · checked Sep 20, 2026
14
Voyage Advisory
Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5033 contacts →

Partial evidence

“Voyage’s team of management consultants work side-by-side with leaders to achieve their top objectives and solve their toughest problems.”

Source: RevenueBase Database · checked Sep 20, 2026
15
Source Consulting Group
Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5029 contacts →

Partial evidence

“Source Consulting Group LLC is the premier full-service consulting firm focusing exclusively on the strategic and operational business process and technology needs of legal and…”

Source: RevenueBase Database · checked Sep 20, 2026
16
The Proaction Group
Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5029 contacts →

Partial evidence

“The ProAction Group is the “Go-To” Operational Resource focused on Private Equity/Portfolio companies.”

Source: RevenueBase Database · checked Sep 20, 2026
17
Protrade Logistics
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5019 contacts →

Indirect evidence

“Protrade Logistics, established in Chicago, IL, operates with a mission to provide precise logistics solutions to our clients.”

Source: RevenueBase Database · checked Sep 20, 2026
18
Sanguine Strategic Advisors
Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5017 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 20, 2026
19
Saphineia Manufacturing Partners
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20261-1016 contacts →

Indirect evidence

“Manufacturing a safe, quality food or beverage product, cost-effectively, every day is hard.”

Source: RevenueBase Database · checked Sep 20, 2026
20
Partnersolve LLC
Partial evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5014 contacts →

Partial evidence

“PartnerSolve LLC, founded in 2001, is a management consulting firm focused on accelerating performance within their clients with an emphasis on front and back-office operations.”

Source: RevenueBase Database · checked Sep 20, 2026
21
Sagin, LLC
Indirect evidenceChicago, United StatesHQ checked Sep 20, 202651-20013 contacts →

Indirect evidence

“We help companies grow, change and create measurable results.”

Source: RevenueBase Database · checked Sep 20, 2026
22
Lake Shore Associates, INC
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5013 contacts →

Indirect evidence

“Lake Shore Associates (LSA) is a certified woman-owned management consulting firm that provides strategic, unbiased, and objective advisory and delivery services to improve an…”

Source: RevenueBase Database · checked Sep 20, 2026
23
Proper Consulting Group
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“Proper leverages its expertise, data analytics, and market intelligence to identify cost reduction opportunities, and then partners with its clients to implement those…”

Source: RevenueBase Database · checked Sep 20, 2026
24
Gillum Strategy Partners
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20261-1010 contacts →

Indirect evidence

“Gillum Strategy Partners is a boutique management consulting firm with a focus on the creation and execution of strategies that deliver demonstrable value.”

Source: RevenueBase Database · checked Sep 20, 2026
25
CFO Simplified
Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 20261-108 contacts →

Indirect evidence

“CFO Simplified is a Chicago-area consulting firm specializing in small to mid-sized businesses.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 216 operational efficiency consultants based in Chicago, United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 4,142 reachable decision-makers.

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Operational efficiency consultants based in Chicago, United States at a glance

As of Sep 20, 2026
43.2%Verified-email coverage
44.4Average contacts per company
1-10Median size (employees)
157.9%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
150
11-50
46
51-200
10
201-500
6
501-1,000
3
5,001-10,000
1

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 216 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 operational efficiency consultants, 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 “operational efficiency consultants”. 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 operational efficiency consultants), 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 operational efficiency consultants, 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, 4,142 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 20, 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.

Operational efficiency consultants 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 operational efficiency consultants, 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 operational efficiency consultants are there based in Chicago, United States?

RevenueBase identified 216 operational efficiency consultants 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?

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

Which city has the most operational efficiency consultants?

New York leads with 341 headquartered companies, followed by Houston (246) and Atlanta (234).

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 4,142 verified decision-maker contacts tracked across these 216 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 20, 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.

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