Company lists · Data refreshed September 2026

Top 25 Complex deal management consultants based in the United States

RevenueBase identified 2,322 complex deal management consultants headquartered in the United States as of September 2026 and tracks 19,555 professional contacts across them, including 6,572 with verified work emails. New York is the largest hub.

This list covers complex deal management consultants headquartered in the 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 27, 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 27, 2026 86% judged on-target in blind review
2,322Companies
19,555Contacts tracked
6,572Verified emails
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The 25 largest complex deal management consultants based in the United States

Ranked by team size
Top 25 of 2,322 complex deal management consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to complex deal management 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
1Strong evidenceNew York, NY, United StatesHQ checked Sep 27, 2026501-1,000765 contacts →

Strong evidence

“The Vertex Companies, LLC is a global consulting firm that provides strategic advisory, project management, and dispute resolution services for organizations that face complex…”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceCincinnati, OH, United StatesHQ checked Sep 27, 2026501-1,000618 contacts →

Partial evidence

“SEI is a management consulting firm delivering fresh perspectives and reliable results.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceWayne, PA, United StatesHQ checked Sep 27, 20261,001-5,000557 contacts →

Partial evidence

“For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceChicago, IL, United StatesHQ checked Sep 27, 2026201-500546 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
5Strong evidenceWashington, DC, United StatesHQ checked Sep 27, 2026501-1,000403 contacts →

Strong evidence

“IBM Promontory is a global leader in strategy, risk management, and compliance consulting.#IBMConsulting”

Source: RevenueBase Database · checked Sep 27, 2026
6Strong evidenceChicago, IL, United StatesHQ checked Sep 27, 2026201-500382 contacts →

Strong evidence

“From its inception in 1991, Weaver Consultants Group has been founded upon the tenets of attentive and responsive customer service, strong project management, and solid internal…”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceAnnapolis, MD, United StatesHQ checked Sep 27, 2026201-500350 contacts →

Indirect evidence

“Deep Water Point & Associates is composed of industry veterans and government experts who dedicate their expertise to maximize our clients’ competitive edge.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceCambridge, United StatesHQ checked Sep 27, 2026n/a313 contacts →

Indirect evidence

“ATS – 40 Years: Advancing Projects, Boosting Profits, and Cutting Costs For over 40 years, ATS has partnered with organizations worldwide to deliver outstanding results.”

Source: RevenueBase Database · checked Sep 27, 2026
9Partial evidenceAustin, TX, United StatesHQ checked Sep 27, 2026201-500250 contacts →

Partial evidence

“Bridgepoint Consulting, an Addison Group company, is a leading management consulting firm that offers a full suite of services and solutions to help companies navigate the…”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceRaleigh, NC, United StatesHQ checked Sep 27, 2026201-500244 contacts →

Partial evidence

“ScottMadden is a management consulting firm that does what it takes to get the job done right.”

Source: RevenueBase Database · checked Sep 27, 2026
11Partial evidenceHowell, NJ, United StatesHQ checked Sep 27, 2026n/a241 contacts →

Partial evidence

“We know you work hard to get the best deal possible.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceRichmond, VA, United StatesHQ checked Sep 27, 202651-200139 contacts →

Indirect evidence

“At Fahrenheit, our singular focus is on helping businesses build confidence.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceWashington, DC, United StatesHQ checked Sep 27, 202651-200110 contacts →

Indirect evidence

“Who We Are A talented team of experts with years of experience in both government and industry, with a passion for finding solutions and a deep understanding of the institutions…”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceCheyenne, WY, United StatesHQ checked Sep 27, 202651-200108 contacts →

Partial evidence

“Public Knowledge® is a national management consulting firm focusing on Programs, People, and Systems.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceMenlo Park, CA, United StatesHQ checked Sep 27, 202651-200108 contacts →

Partial evidence

“Strategic Decisions Group is a strategy consulting firm renowned for its expertise in strategic decision-making, risk management, stakeholder alignment, and value creation.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceOrlando, FL, United StatesHQ checked Sep 27, 202651-20094 contacts →

Indirect evidence

“Engage fi was founded on the principle of putting ourselves in our clients’ shoes to understand their needs, their business objectives, and their definition of success.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceSan Juan, United StatesHQ checked Sep 27, 202651-20082 contacts →

Indirect evidence

“Every organization has a strategy.”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceMinneapolis, MN, United StatesHQ checked Sep 27, 202651-20081 contacts →

Indirect evidence

“Outside Operating Partners, Due Diligence Support and CPM Software Implementation with proven success in making our clients make more money faster.”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceMill Valley, CA, United StatesHQ checked Sep 27, 202651-20081 contacts →

Indirect evidence

“Luster National, Inc.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceHouston, TX, United StatesHQ checked Sep 27, 202611-5077 contacts →

Indirect evidence

“We are a business advisory and consulting company focused on delivering iMPACTful solutions and innovation to public and private sector clients that empower them to achieve…”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceMadison, WI, United StatesHQ checked Sep 27, 202651-20067 contacts →

Indirect evidence

“The pace and breadth of change affecting all industries is unprecedented.”

Source: RevenueBase Database · checked Sep 27, 2026
22Partial evidenceJackson, WY, United StatesHQ checked Sep 27, 202651-20065 contacts →

Partial evidence

“The Mitchell Madison Group is a premier management consulting firm.”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceHouston, TX, United StatesHQ checked Sep 27, 2026n/a64 contacts →

Indirect evidence

“provides descriptions of ongoing consulting services, special projects, and areas of consulting expertise,”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceAustin, TX, United StatesHQ checked Sep 27, 202651-20061 contacts →

Indirect evidence

“Strategic Partnerships, Inc.(SPI) is a nationally recognized leader in public sector business development and procurement consulting.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceWinter Park, FL, United StatesHQ checked Sep 27, 202611-5059 contacts →

Partial evidence

“RVR is a full-service management consulting firm with the resources to align with your company’s vision to generate faster, optimized returns.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 2,322 complex deal management consultants based in the United States

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Complex deal management consultants based in the United States at a glance

As of Sep 27, 2026
33.6%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,847
11-50
381
51-200
67
201-500
14
501-1,000
6
1,001-5,000
4

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 2,322 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 complex deal management 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 the United States whose own description of what they do matches “complex deal management 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 complex deal management 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 complex deal management consultants, and records with no verified work email. Companies headquartered outside United States 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, 6,572 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 27, 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.

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 complex deal management 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 complex deal management consultants are there based in the United States?

RevenueBase identified 2,322 complex deal management consultants headquartered in the 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?

The Vertex Companies LLC, headquartered in New York, tops this list with the largest team on record.

Which city has the most complex deal management consultants?

New York leads with 87 headquartered companies, followed by Houston (73) and Washington (71).

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 6,572 verified decision-maker contacts tracked across these 2,322 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 27, 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.