Company lists · Data refreshed November 2026

Top 25 Union negotiation services worldwide

RevenueBase identified 3,666 company matches for union negotiation services worldwide as of November 2026 and tracks 34,329 professional contacts across them, including 13,404 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for union negotiation services worldwide, 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. Country and city lists for union negotiation services follow the table.

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
3,666Companies
34,329Contacts tracked
13,404Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest union negotiation services worldwide

Ranked by team size
Top 25 of 3,666 company matches for union negotiation services worldwide, 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 matchSan Francisco, CA, United StatesHQ recorded Nov 6, 20261,001-5,0002,724 contacts →

Exact match

“Littler is the largest global employment and labor law practice, representing management in all aspects of employment and labor law and serving as a single-source solution…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,0002,515 contacts →

Exact match

“Focused on employment and labor law since 1958, Jackson Lewis P.C.’s attorneys located in major cities nationwide consistently identify and respond to new ways workplace law…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,0001,626 contacts →

Exact match

“With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKøbenhavn S, DenmarkHQ recorded Nov 6, 20261,001-5,0001,590 contacts →

Exact match

“HK er en af Danmarks største fagforeninger med næsten medlemmer, der arbejder inden for bl.a.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500778 contacts →

Exact match

“FordHarrison LLP - your partner in employment law.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, WI, United StatesHQ recorded Nov 6, 2026201-500582 contacts →

Exact match

“Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-500449 contacts →

Exact match

“Constangy, Brooks, Smith & Prophete has more than 250 attorneys across 21 states and the District of Columbia, offering services including the defense of single and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000411 contacts →

Exact match

“Secafi est spécialisé dans l'expertise, l'assistance et le conseil auprès des Instances Représentatives du Personnel : comité d'entreprise, comité de groupe, CHSCT, comité…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGrand Rapids, OH, United StatesHQ recorded Nov 6, 2026201-500366 contacts →

Exact match

“Miller Johnson was founded in 1959 and is committed to excellence in service to our business, institutional and individual clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500342 contacts →

Exact match

“Referência nacional em Direito do Trabalho Em dez anos de atividades, o escritório Pipek, Penteado e Paes Manso Advogados Associados, já se tornou uma das principais referências…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrazilHQ recorded Nov 6, 2026201-500255 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200220 contacts →

Exact match

“DC 37’s Health and Security benefit package includes the largest prepaid legal services office in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact match서울시, South KoreaHQ recorded Nov 6, 2026501-1,000200 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200162 contacts →

Exact match

“Outten & Golden is a nationally recognized law firm for employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLima, PeruHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Vinatea & Toyama es la firma de práctica especializada en derecho laboral y empleo más grande del Perú, reconocida por manejar los asuntos más complejos, sensibles y estratégicos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKøbenhavn K, DenmarkHQ recorded Nov 6, 202651-200149 contacts →

Exact match

“The Confederation of Danish Employers (DA), founded in 1896, is a non-profit organisation funded by subscriptions from member organisations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBrookhaven, NY, United StatesHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“Martenson, Hasbrouck & Simon LLP is headquartered in Atlanta, with offices in Carlsbad, Chicago, Dallas, New York, and Sacramento, making us geographically and strategically…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202610001+130 contacts →

Exact match

“Als werkgever sta je er niet alleen voor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHelsinki, FinlandHQ recorded Nov 6, 2026201-500126 contacts →

Exact match

“PAM on yksityisillä palvelualoilla työskentelevien liitto.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“Actance Avocats dédiés au Droit Social : actance est né d’une vision commune : le droit du travail trouve sa place parmi les préoccupations essentielles de l’entreprise et permet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Founded in 1995, Frilot L.L.C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“HKM is a national employment law firm that represents individuals and workers in all aspects of employment law.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMexico City, MexicoHQ recorded Nov 6, 2026201-500113 contacts →

Exact match

“Somos la firma líder en estrategias empresariales de consultoría jurídica especializada en derecho laboral fundada en 1983.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“Temos uma metodologia de trabalho própria e somos pioneiros no trato das questões trabalhistas nas empresas, desenvolvendo conceitos que invertem a lógica tradicional do mercado…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Since 1987, Emond Harnden has been at the forefront of labour and employment law, proudly serving employers across Canada.”

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

Showing 25 of 3,666 union negotiation services worldwide

See the full list, filter by size, metro and specialty, and access 13,404 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Union negotiation services worldwide at a glance

As of Nov 6, 2026
39.0%Verified-email coverage
9.4Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,630
11-50
820
51-200
103
201-500
25
501-1,000
9
1,001-5,000
15
5,001-10,000
2
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for union negotiation services are linked below.
What qualifies
Company records worldwide whose business descriptions match “union negotiation services” 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. 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 13,404 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.

Union negotiation services by location

25 lists · largest first

Every Union negotiation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “union negotiation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many union negotiation services are there worldwide?

RevenueBase identified 3,666 company matches for union negotiation services worldwide 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?

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

Which country has the most union negotiation services?

The United States leads with 638 companies, followed by Brazil (489) and Italy (346). Every union negotiation services list by country and city is linked on this page.

Which city has the most union negotiation services?

Sao Paulo leads with 115 company records, followed by Paris (96) and Milan (63).

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 13,404 professional contacts with verified work emails tracked across these 3,666 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.

Ready to reach these companies? Verified emails and direct dials for all 3,666 union negotiation services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.