Company lists · Data refreshed September 2026

Top 25 Mediation and arbitration firms worldwide

RevenueBase identified 4,488 company matches for mediation and arbitration firms worldwide as of September 2026 and tracks 28,285 professional contacts across them, including 5,850 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for mediation and arbitration firms 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 September 20, 2026. Country and city lists for mediation and arbitration firms 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 Sep 20, 2026 How this list was built
4,488Companies
28,285Contacts tracked
5,850Verified emails
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The 25 largest mediation and arbitration firms worldwide

Ranked by team size
Top 25 of 4,488 company matches for mediation and arbitration firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 20, 2026501-1,0001,147 contacts →

Exact match

“The American Arbitration Association® with its long history and experience in the field of alternative dispute resolution, provides services to individuals and organizations who…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchIrvine, CA, United StatesHQ recorded Sep 20, 2026501-1,000923 contacts →

Exact match

“JAMS is the premier provider of alternative dispute resolution (ADR) services, handling more than cases annually.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 2026n/a838 contacts →

Exact match

“An independent, charitable membership organisation committed to supporting the effective resolution of disputes.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 2026501-1,000519 contacts →

Exact match

“Robins Kaplan LLP is among the nation’s premier trial law firms, with more than 200 attorneys in Bismarck, N.D; Boston; Los Angeles; Minneapolis; New York; Silicon Valley; and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Sep 20, 2026n/a444 contacts →

Exact match

“SIAC is an internationally recognised global arbitral institution providing neutral, competitive and efficient case management services to parties from all over the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 20, 2026n/a444 contacts →

Exact match

“The LCIA is one of the world’s leading international institutions for commercial dispute resolution.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchHyderabad, IndiaHQ recorded Sep 20, 2026201-500301 contacts →

Exact match

“The International Arbitration and Mediation Centre (IAMC) in Hyderabad is a premier institution dedicated to resolving domestic and international disputes through arbitration and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200245 contacts →

Exact match

“CEDR helps individuals, teams and organisations achieve better outcomes from (often costly) conflicts that hinder human interactions, collaboration and collective performance.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 2026n/a216 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchSao Paulo, BrazilHQ recorded Sep 20, 2026201-500216 contacts →

Exact match

“Somos um escritório full service que abraçou o propósito e o compromisso de prestar um atendimento personalizado e em linha com os mais altos padrões de qualidade e excelência.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchLagos, NigeriaHQ recorded Sep 20, 2026n/a211 contacts →

Exact match

“Training Institute & Consultation Services - Arbitration - Alternative Dispute Resolution - Mediation The Nigeria Institute of Chartered Arbitrators (NICArb) is the premier…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Sep 20, 2026n/a203 contacts →

Exact match

“provide mediation and arbitration services”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 20, 2026n/a199 contacts →

Exact match

“An independent, non-profit provider of professional ADR Services (Arbitration and Mediation case management and other services).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200179 contacts →

Exact match

“Three Crowns LLP, a law firm founded by practice leaders with decades of experience across many different international firms, is regarded as "one of the premier arbitration…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSanta Ana, CA, United StatesHQ recorded Sep 20, 202651-200166 contacts →

Exact match

“For more than 30 years, Judicate West has been one of California’s leading providers of private dispute resolution services with a distinguished roster of proven neutrals…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-50140 contacts →

Exact match

“Sport Resolutions is an independent, not-for-profit, dispute resolution service for sport operating globally, offering arbitration, mediation, tribunal and expert opinion.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchLos Angeles, CA, United StatesHQ recorded Sep 20, 202651-200137 contacts →

Exact match

“Signature Resolution is setting a higher standard in alternative dispute resolution.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Sep 20, 202651-200132 contacts →

Exact match

“Presolv360 is an online dispute resolution (ODR) platform that harnesses the power of technology to enable participation of disputing parties from remote locations and diverse…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchHong KongHQ recorded Sep 20, 202611-50132 contacts →

Exact match

“The Hong Kong International Arbitration Centre (HKIAC) is one of the world’s leading dispute resolution organisations, specialising in arbitration and other forms of alternative…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchKuala Lumpur, MalaysiaHQ recorded Sep 20, 202611-50130 contacts →

Exact match

“Established under the agreement between the Government of Malaysia and Asian–African Legal Consultative Organization (AALCO) in 1978, the Asian International Arbitration Centre…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchAtlanta, GA, United StatesHQ recorded Sep 20, 202651-200123 contacts →

Exact match

“Miles Mediation & Arbitration is an award-winning alternative dispute resolution (ADR) provider.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSão Paulo, BrazilHQ recorded Sep 20, 202651-200118 contacts →

Exact match

“The Center for Arbitration and Mediation of the Chamber of Commerce Brazil-Canada (CAM-CCBC) is a pioneer in the administration of Adequate/Appropriate Dispute Resolutions (ADRs).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200116 contacts →

Exact match

“NAM is a full-service provider of Alternative Dispute Resolution (ADR) services – supporting clients throughout the U.S.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBelo Horizonte, BrazilHQ recorded Sep 20, 202651-200115 contacts →

Exact match

“Apoiamos nossos clientes na prevenção e resolução de problemas complexos e solução de conflitos.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSão Paulo | Belo Horizonte | Rio De Janeiro | Recife | Brasília | Salvador | Goiânia | Itajaí | Lisboa |, BrazilHQ recorded Sep 20, 202611-50115 contacts →

Exact match

“A CAMARB – Câmara de Arbitragem Empresarial – Brasil é uma associação com fins não-econômicos, que oferece ao mercado empresarial serviços especializados e de alta qualidade para…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 4,488 mediation and arbitration firms worldwide

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Mediation and arbitration firms worldwide at a glance

As of Sep 20, 2026
20.7%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
3,564
11-50
707
51-200
153
201-500
23
501-1,000
12
1,001-5,000
5
5,001-10,000
2
10001+
4

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 mediation and arbitration firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “mediation and arbitration 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. 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 5,850 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 20, 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.

Mediation and arbitration firms by location

17 lists · largest first

Every Mediation and arbitration firms 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 “mediation and arbitration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mediation and arbitration firms are there worldwide?

RevenueBase identified 4,488 company matches for mediation and arbitration firms worldwide 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?

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

Which country has the most mediation and arbitration firms?

The United States leads with 1,122 companies, followed by the United Kingdom (273) and the Netherlands (265). Every mediation and arbitration firms list by country and city is linked on this page.

Which city has the most mediation and arbitration firms?

London leads with 120 company records, followed by Sao Paulo (78) and Toronto (59).

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 5,850 professional contacts with verified work emails tracked across these 4,488 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 20, 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.