Company lists · Data refreshed September 2026

Top 25 Stakeholder engagement consulting firms based in the United States

Name: Stakeholder engagement 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 29, 2026 3,065 companies tracked

RevenueBase identified 3,065 company matches for stakeholder engagement consulting firms associated with the United States as of September 2026 and tracks 34,991 professional contacts across them, including 16,146 with verified work emails. New York is the largest hub.

This list covers company matches for stakeholder engagement 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 29, 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 29, 2026 How this list was built

3,065Companies

34,991Contacts tracked

16,146Verified emails

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The 25 largest stakeholder engagement consulting firms based in the United States

Ranked by team size

Top 25 of 3,065 company matches for stakeholder engagement consulting firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Kearney	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
2	L.E.K. Consulting	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	4,093 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	JMT	Exact match	Serving Clients Across The Us, MD, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,688 contacts →
	Exact match “Johnson, Mirmiran & Thompson is an employee owned, multi-disciplined firm offering a full array of planning, design, and construction phase consulting services for infrastructure…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Riveron	Exact match	Dallas, TX, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	The Vertex Companies LLC	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	765 contacts →
	Exact match “The Vertex Companies, LLC is a global consulting firm that provides strategic advisory, project management, and dispute resolution services for organizations that face complex…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	EBI Consulting	Exact match	Burlington, MA, United StatesHQ recorded Sep 29, 2026	501-1,000	535 contacts →
	Exact match “For 35 years we have been helping investors, lenders, owners, developers, contractors, and property managers reduce risk and optimize their built facilities, infrastructure and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Sodali & CO	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	431 contacts →
	Exact match “Sodali & Co advises corporate clients worldwide as they navigate the complex dynamic of shareholder and stakeholder interests.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Ecology And Environment, INC	Exact match	Lancaster, NY, United StatesHQ recorded Sep 29, 2026	5,001-10,000	278 contacts →
	Exact match “E&E is now WSP USA.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	SSA Consultants	Exact match	Baton Rouge, LA, United StatesHQ recorded Sep 29, 2026	n/a	258 contacts →
	Exact match “We are partners and advisors of leading organizations and governments, bound to and inspired by a mission of helping our clients improve their performance.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Horwath HTL	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	198 contacts →
	Exact match “Bold steps forward.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Research Nester Analytics	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	191 contacts →
	Exact match “Research Nester is a global consulting firm that works with the most aspirational facilitators to define the future market strategies.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	Xcenda	Exact match	Conshohocken, PA, United StatesHQ recorded Sep 29, 2026	10001+	187 contacts →
	Exact match “Cencora (formerly AmerisourceBergen/Xcenda), is a strategic consultancy that enables biopharma partners to effectively communicate and deliver their brand's value to key global…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Alliance Advisors	Exact match	Little Falls, NJ, United StatesHQ recorded Sep 29, 2026	51-200	177 contacts →
	Exact match “Alliance Advisors is an independent advisory firm focused on Shareholder Engagement & Solicitation, Compensation Advisory, Governance & Sustainability Advisory, M&A - Activism…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Finsbury Glover Hering	Exact match	New York, United StatesHQ recorded Sep 29, 2026	501-1,000	166 contacts →
	Exact match “We are now FGS Global.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	SIA Addison	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	155 contacts →
	Exact match “Sia/Addison creates strategy, design and communications for the world’s most respected corporate and B2B organizations, following our distinctive strategy made visible(TM)…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	The Results Company	Exact match	Raleigh, NC, United StatesHQ recorded Sep 29, 2026	n/a	134 contacts →
	Exact match “The Results Company creates winning communications and outreach strategies for businesses and organizations at the local, state and federal levels.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	The RBL Group	Exact match	Provo, UT, United StatesHQ recorded Sep 29, 2026	51-200	132 contacts →
	Exact match “The RBL Group is a consulting and development firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Luzco Technologies LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 29, 2026	51-200	126 contacts →
	Exact match “LUZCO’s team of knowledgeable experts will strategically guide your team through each step of the process and help you develop innovative strategies, improve efficiency, enhance…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Mcking Consulting	Exact match	Fairfax, VA, United StatesHQ recorded Sep 29, 2026	51-200	118 contacts →
	Exact match “McKing Consulting Corporation provides a variety of general and specialized management consulting services to the federal government, state agencies, nonprofits, and public and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	SVI	Exact match	Fayetteville, TX, United StatesHQ recorded Sep 29, 2026	11-50	114 contacts →
	Exact match “SVI’s wonderful team of experts serves retail, healthcare, QSR, manufacturing, energy, sales, hospitality, banking and finance, travel, and higher-ed organizations around the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Synergetics	Exact match	Portsmouth, NH, United StatesHQ recorded Sep 29, 2026	51-200	113 contacts →
	Exact match “Synergetics has grown to become one of the most respected global management consulting firms, partnering with companies and their stakeholders to help improve operating…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	TKE Engineering, INC	Exact match	Riverside, CA, United StatesHQ recorded Sep 29, 2026	51-200	111 contacts →
	Exact match “TKE is Southern California’s premier full service, multi-disciplinary Engineering and Construction industry consulting firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	Cascadia Consulting Group	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	51-200	110 contacts →
	Exact match “Cascadia Consulting Group is a majority women-owned consulting firm specializing in environmental and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Strategic Decisions Group SDG	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 29, 2026	51-200	108 contacts →
	Exact match “Strategic Decisions Group is a strategy consulting firm renowned for its expertise in strategic decision-making, risk management, stakeholder alignment, and value creation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Citadel EHS	Exact match	Glendale, CA, United StatesHQ recorded Sep 29, 2026	51-200	102 contacts →
	Exact match “Founded in 1993, Citadel EHS provides comprehensive environmental, health, safety, and sustainability consulting solutions to meet the needs of both the public and private sectors.” Recorded in the RevenueBase company graph · Sep 29, 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 “stakeholder engagement 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 3,065 stakeholder engagement consulting firms based in the United States

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Stakeholder engagement consulting firms based in the United States at a glance

As of Sep 29, 2026

46.1%Verified-email coverage

11.4Average contacts per company

1-10Median size (employees)

7.1%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,528

11-50

426

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 3,065 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 “stakeholder engagement 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 16,146 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 29, 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.

Stakeholder engagement 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 “stakeholder engagement consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many stakeholder engagement consulting firms are there based in the United States?

RevenueBase identified 3,065 company matches for stakeholder engagement 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?

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

Which city has the most stakeholder engagement consulting firms?

New York leads with 218 company records, followed by Washington (189) and Chicago (101).

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 16,146 professional contacts with verified work emails tracked across these 3,065 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 29, 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.