Company lists · Data refreshed September 2026

Top 25 Grievance management consultants based in the United States

RevenueBase identified 337 company matches for grievance management consultants associated with the United States as of September 2026 and tracks 2,113 professional contacts across them, including 914 with verified work emails. New York is the largest hub.

This list covers company matches for grievance management consultants 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 28, 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 28, 2026 How this list was built
337Companies
2,113Contacts tracked
914Verified emails
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The 25 largest grievance management consultants based in the United States

Ranked by team size
Top 25 of 337 company matches for grievance management consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchNew York, NY, United StatesHQ recorded Sep 28, 2026501-1,000765 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 28, 2026 · View company records in RevenueBase
2Exact matchTroy, MI, United StatesHQ recorded Sep 28, 202651-20087 contacts →

Exact match

“People Results is an experienced team of consultants who collaborate, innovate, and anticipate mission-critical challenges and deliver impactful business results.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchBroken Arrow, OK, United StatesHQ recorded Sep 28, 202611-5041 contacts →

Exact match

“LRI Consulting Services, Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchColumbus, OH, United StatesHQ recorded Sep 28, 202611-5040 contacts →

Exact match

“Clemans Nelson is the preeminent public sector labor relations and human resource consulting firm in the state of Ohio.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchDistrict Of Columbia, United StatesHQ recorded Sep 28, 202611-5040 contacts →

Exact match

“FH Solutions Group (FHSG) is a national human resources and labor relations consulting firm headquartered in Washington, DC.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 28, 202611-5036 contacts →

Exact match

“HRW’s team of experienced attorneys helps employers remain in compliance with the law and avoid or resolve every manner of workplace dispute.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Sep 28, 202611-5027 contacts →

Exact match

“Human Resources and Employment Law Experts: For 30 years, EPS has collaborated with organizations nationwide to build respect through high-quality training, objective and unbiased…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchIndependence, OH, United StatesHQ recorded Sep 28, 202611-5027 contacts →

Exact match

“TAMS Group is a management consulting firm focused on providing practical human resource solutions designed to improve employee and organizational productivity, and minimize risk…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchPhoenix, AZ, United StatesHQ recorded Sep 28, 202611-5023 contacts →

Exact match

“Pollack Peacebuilding Systems is an international workplace conflict resolution firm, providing organizational peacebuilding, training, and coaching.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchSacramento, CA, United StatesHQ recorded Sep 28, 20261-1023 contacts →

Exact match

“GLA is a consulting firm specializing in the development and implementation of Collaborative Dispute Mitigation (CDM) systems for agencies, organizations, and construction…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“Since 1994, Bashen Corporation has strengthened EEO programs for private sector employers, federal agencies, and EPL carriers.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Sanguine Strategic Advisors (SSA) applies 25 years of business development, financial, operational, compliance, legal and leadership experience to bring an Optimistic, Insightful…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-1017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchAuburn, CA, United StatesHQ recorded Sep 28, 20261-1012 contacts →

Exact match

“We are proud to offer clients access to the very finest legal and human resource consulting services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“FortneyScott is a Washington, DC-based law firm counseling and advising clients on the full spectrum of workplace-related matters.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“Greenwald Doherty provides the comprehensive advice and representation that modern management needs to ensure effective labor and employment relations and defend against…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 28, 20261-1011 contacts →

Exact match

“The team at EPT Legal, LLC has been serving the New York area for decades.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 20261-1011 contacts →

Exact match

“Blanchard Consulting Group is a national compensation consulting firm with offices in Atlanta, GA and Minneapolis, MN.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchScarborough, ME, United StatesHQ recorded Sep 28, 20261-1011 contacts →

Exact match

“Most companies don’t have a “people problem.” They have a growth problem that shows up through people.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchMontclair, NJ, United StatesHQ recorded Sep 28, 20261-1011 contacts →

Exact match

“KSBranigan Law P.C.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchPasadena, CA, United StatesHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Our consultant team brings over 50 years of experience specific to Workers' Compensation, Group Health, and Liability Insurance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchPembroke, MA, United StatesHQ recorded Sep 28, 202611-509 contacts →

Exact match

“At Clifford & Kenny, our goal is to help clients minimize litigation through effective management strategies, training and policies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSan Juan Capistrano, CA, United StatesHQ recorded Sep 28, 202611-508 contacts →

Exact match

“Vantaggio HR is a human resource consulting company providing business-savvy solutions to employers of all sizes, across all industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchPeoria, United StatesHQ recorded Sep 28, 20261-108 contacts →

Exact match

“Every organization has a purpose, a mission.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSyosset, NY, United StatesHQ recorded Sep 28, 202611-508 contacts →

Exact match

“Portnoy, Messinger, Pearl & Associates, Inc.(PMP) is a full-service Human Resources & Labor Relations consulting firm that delivers affordable no-nonsense Human Resources…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 337 grievance management consultants based in the United States

See the full list, filter by size, metro and specialty, and access 914 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grievance management consultants based in the United States at a glance

As of Sep 28, 2026
43.3%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
3.9%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
298
11-50
32
51-200
5
501-1,000
1
1,001-5,000
1

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 337 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 “grievance management consultants” 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 914 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 28, 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.

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 “grievance management consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grievance management consultants are there based in the United States?

RevenueBase identified 337 company matches for grievance management consultants 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?

The Vertex Companies LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most grievance management consultants?

New York leads with 13 company records, followed by Los Angeles (10) and Chicago (9).

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 914 professional contacts with verified work emails tracked across these 337 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 28, 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.