Company lists · Data refreshed November 2026

Top 19 B2B consulting companies based in the United States

RevenueBase identified 44,709 company matches for B2B consulting companies associated with the United States as of November 2026 and tracks 1,446,169 professional contacts across them, including 486,238 with verified work emails. New York is the largest hub.

This list covers company matches for B2B consulting companies 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 November 6, 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 Nov 6, 2026 How this list was built
44,709Companies
1,446,169Contacts tracked
486,238Verified emails
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The 19 largest B2B consulting companies based in the United States

Ranked by team size
Top 19 of 44,709 company matches for B2B consulting companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAshburn, VA, United StatesHQ recorded Nov 6, 202610001+86,844 contacts →

Exact match

“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+46,962 contacts →

Exact match

“Choosing a digital partner is about more than capabilities, it’s about collaboration and character.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202610001+35,975 contacts →

Exact match

“Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHanover, MD, United StatesHQ recorded Nov 6, 202610001+27,308 contacts →

Exact match

“We’re TEKsystems and TEKsystems Global Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202610001+23,264 contacts →

Exact match

“Bain & Company is a global consultancy that helps the world’s most ambitious change makers define the future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202610001+19,124 contacts →

Exact match

“From short-term decisions to developing a long-term strategy, CBRE Global Workplace Solutions (GWS) partners with clients to uncover solutions for unique, organizational needs and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, IL, United StatesHQ recorded Nov 6, 202610001+14,637 contacts →

Exact match

“Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVernon Hills, IL, United StatesHQ recorded Nov 6, 202610001+13,669 contacts →

Exact match

“At CDW, we know how to make technology work so people can do great things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMclean, IL, United StatesHQ recorded Nov 6, 202610001+13,603 contacts →

Exact match

“Guidehouse is a global AI-led professional services firm delivering advisory, technology, and managed services to the commercial and government sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMaryland Heights, MO, United StatesHQ recorded Nov 6, 202610001+9,996 contacts →

Exact match

“We are thinkers and doers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchReston, VA, United StatesHQ recorded Nov 6, 20265,001-10,0009,537 contacts →

Exact match

“ICF is a leading global solutions and technology provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTroy, MI, United StatesHQ recorded Nov 6, 202610001+9,413 contacts →

Exact match

“HTC Global Services Inc, founded in 1990, headquartered in Troy, Michigan, is a global provider of Information Technology and Business Process Services and Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew York, NC, United StatesHQ recorded Nov 6, 20265,001-10,0008,814 contacts →

Exact match

“At Oliver Wyman, a Marsh business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20265,001-10,0008,648 contacts →

Exact match

“We are your global partner in tech-integrated business solutions, turning AI ambition into measurable business impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20265,001-10,0007,199 contacts →

Exact match

“Accenture Strategy combines deep industry expertise, advanced analytics capabilities and human-led design methodologies that enable clients to act with speed and confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDallas, CA, United StatesHQ recorded Nov 6, 20261,001-5,0003,958 contacts →

Exact match

“RGP (Nasdaq: RGP) has been redefining professional services for 30 years by closing the gap between advice and execution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,0003,490 contacts →

Exact match

“AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0003,484 contacts →

Exact match

“Withum is a forward-thinking, technology-driven advisory and accounting firm, helping clients to Be in a Position of Strength in today’s modern business landscape.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 20261,001-5,0003,201 contacts →

Exact match

“Always advancing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 19 of 44,709 B2B consulting companies based in the United States

See the full list, filter by size, metro and specialty, and access 486,238 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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B2B consulting companies based in the United States at a glance

As of Nov 6, 2026
33.6%Verified-email coverage
32.3Average contacts per company
1-10Median size (employees)
4.4%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
29,440
11-50
10,049
51-200
3,697
201-500
868
501-1,000
280
1,001-5,000
198
5,001-10,000
38
10001+
67

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 44,709 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 “B2B consulting companies” 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 486,238 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 November 6, 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.

B2B consulting companies 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 “B2B consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B consulting companies are there based in the United States?

RevenueBase identified 44,709 company matches for B2B consulting companies associated with the United States as of November 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?

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

Which city has the most B2B consulting companies?

New York leads with 1947 company records, followed by Chicago (1050) and Atlanta (1016).

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 486,238 professional contacts with verified work emails tracked across these 44,709 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 November 6, 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.