Company lists · Data refreshed September 2026

Top 25 Business improvement consulting firms based in the United States

Name: Business improvement consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 20,320 companies tracked

RevenueBase identified 20,320 company matches for business improvement consulting firms associated with the United States as of September 2026 and tracks 190,264 professional contacts across them, including 61,797 with verified work emails and 52,652 with mobile numbers. New York is the largest hub.

This list covers company matches for business improvement consulting firms 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 23, 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 23, 2026 How this list was built

20,320Companies

190,264Contacts tracked

61,797Verified emails

52,652Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest business improvement consulting firms based in the United States

Ranked by team size

Top 25 of 20,320 company matches for business improvement consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	EXL	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	10001+	40,100 contacts →
	Exact match “Choosing a digital partner is about more than capabilities, it’s about collaboration and character.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Protiviti	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 23, 2026	5,001-10,000	8,779 contacts →
	Exact match “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 23, 2026	5,001-10,000	6,978 contacts →
	Exact match “As one of the original firms, we’ve never lost sight of the fact that consulting is a people business.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Alixpartners	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	3,583 contacts →
	Exact match “For more than forty years, AlixPartners has helped businesses around the world respond quickly and decisively to their most critical challenges – circumstances as diverse as…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Frost & Sullivan	Exact match	San Antonio, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	2,330 contacts →
	Exact match “For over six decades, Frost & Sullivan has helped the world’s top companies toward transformational growth journeys that result in a stream of innovative growth opportunities.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	MCA	Exact match	Westport, CT, United StatesHQ recorded Sep 23, 2026	n/a	1,650 contacts →
	Exact match “MCAworks is a strategic marketing consulting firm passionately dedicated to helping our clients accelerate and sustain business growth.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Argano	Exact match	Plano, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,603 contacts →
	Exact match “Argano is the world’s first and largest digital services consultancy focused exclusively on enabling high performance across our clients’ business operations, at scale and around…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	FBSPL	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,224 contacts →
	Exact match “FBSPL is an AI-integrated consulting firm that helps businesses enhance efficiency through intelligent processes, technology, and domain expertise.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,160 contacts →
	Exact match “With over 1,200 professionals across 18 international offices, Riveron delivers tailored solutions for CFOs, private equity firms, and key stakeholders.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	W3global	Exact match	Frisco, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	1,149 contacts →
	Exact match “W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	MAP	Exact match	Sherman Oaks, CA, United StatesHQ recorded Sep 23, 2026	n/a	912 contacts →
	Exact match “We are a Performance Improvement Consulting Firm Increase profitability and productivity with our proven Management System™.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Mobilecomm Professionals, INC	Exact match	Richardson, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	706 contacts →
	Exact match “MobileComm is now fully integrated with UST.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Clark Schaefer Hackett	Exact match	Dayton, OH, United StatesHQ recorded Sep 23, 2026	501-1,000	683 contacts →
	Exact match “Clark Schaefer Hackett is more than an accounting and advisory firm; we’re striving to be your most valued advisor.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Pariveda	Exact match	Dallas, TX, United StatesHQ recorded Sep 23, 2026	501-1,000	645 contacts →
	Exact match “Pariveda is a North American-based, employee-owned professional services firm.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Analytix Solutions	Exact match	Woburn, MA, United StatesHQ recorded Sep 23, 2026	501-1,000	640 contacts →
	Exact match “Welcome to Analytix Solutions!” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	SEI	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 23, 2026	501-1,000	618 contacts →
	Exact match “SEI is a management consulting firm delivering fresh perspectives and reliable results.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	SSA & Company	Exact match	New York, NY, United StatesHQ recorded Sep 23, 2026	n/a	605 contacts →
	Exact match “SSA & Company transforms companies to enhance business outcomes (e.g, growth, profit, capability).” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	The Resource Group, Spend Management Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Sep 23, 2026	201-500	557 contacts →
	Exact match “The Resource Group, LLC is a business transformation services organization that specializes in the area of non-payroll spend management and the processes required to sustain the…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	DLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 23, 2026	201-500	546 contacts →
	Exact match “DLC is an award-winning industry leader in Finance, Accounting, Program Management & Process Improvement Consulting.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Aarete	Exact match	Chicago, IL, United StatesHQ recorded Sep 23, 2026	201-500	543 contacts →
	Exact match “AArete is a global management and technology consulting firm specializing in driving profitability improvement, digital transformation, and strategy & change for clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Logic, Part Of Accenture	Exact match	Bloomington, MN, United StatesHQ recorded Sep 23, 2026	1,001-5,000	496 contacts →
	Exact match “Logic works with the world’s leading retailers to help them move faster, innovate smarter, and thrive in the face of retail disruption.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23	Sendero	Exact match	Dallas, TX, United StatesHQ recorded Sep 23, 2026	201-500	420 contacts →
	Exact match “Sendero is a management consulting firm that optimizes technology, improves operations, advances workforce productivity, and enhances customer experience-all to deliver tangible…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Kaiser Associates	Exact match	Washington, DC, United StatesHQ recorded Sep 23, 2026	51-200	397 contacts →
	Exact match “Kaiser Associates was founded in 1981 with a simple yet powerful mission: to help executives make more informed strategic and operational decisions by incorporating external…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Exavalu	Exact match	Newport Beach, CA, United StatesHQ recorded Sep 23, 2026	501-1,000	382 contacts →
	Exact match “Exavalu is a global insurance-specialized engineering and technology firm that combines deep industry expertise with modern engineering and a suite of products, platforms, and…” Recorded in the RevenueBase company graph · Sep 23, 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 “business improvement consulting firms”. 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 20,320 business improvement consulting firms based in the United States

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Business improvement consulting firms based in the United States at a glance

As of Sep 23, 2026

32.5%Verified-email coverage

27.7%Mobile-number coverage

9.4Average contacts per company

1-10Median size (employees)

3.6%Largest-city concentration · New York

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

14,867

11-50

2,584

51-200

570

201-500

128

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 26.0d

45,8400–30

14,28031–60

97561–90

3290–180

670180+

Company record updated

Median 85.0d

00–30

48,74331–60

80,09561–90

51,99890–180

9,428180+

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 “business improvement consulting firms” 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 61,797 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 23, 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.

Business improvement consulting firms 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 “business improvement consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many business improvement consulting firms are there based in the United States?

RevenueBase identified 20,320 company matches for business improvement consulting firms 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?

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

Which city has the most business improvement consulting firms?

New York leads with 735 company records, followed by Chicago (429) and Atlanta (426).

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 61,797 professional contacts with verified work emails tracked across these 20,320 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 23, 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.