Company lists · Data refreshed November 2026

Top 25 Antitrust consulting companies worldwide

RevenueBase identified 399 company matches for antitrust consulting companies worldwide as of November 2026 and tracks 7,542 professional contacts across them, including 3,973 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for antitrust consulting companies 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 antitrust consulting companies 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
399Companies
7,542Contacts tracked
3,973Verified emails
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The 25 largest antitrust consulting companies worldwide

Ranked by team size
Top 25 of 399 company matches for antitrust consulting companies 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 matchWashington, IL, United StatesHQ recorded Nov 6, 2026501-1,000829 contacts →

Exact match

“One of the world’s leading economic consulting firms, Compass Lexecon provides law firms, corporations and government clients with clear analysis of complex issues.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 2026501-1,000821 contacts →

Exact match

“In 2026, NERA is celebrating 65 years of trusted economics, experts, and experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500506 contacts →

Exact match

“We help companies with their biggest challenges – market strategies, regulatory reviews, competition inquiries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500489 contacts →

Exact match

“Keystone is an innovative strategy, economics, and technology consulting firm delivering transformative ideas and novel solutions to global brands and law firms on leading-edge…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500398 contacts →

Exact match

“RBB Economics provides independent, expert economic advice on all aspects of competition law.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBrussels, BelgiumHQ recorded Nov 6, 2026201-500385 contacts →

Exact match

“We advise companies, policymakers, regulators and lawyers on any economic issue connected with competition, finance or regulation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLos Angeles, United StatesHQ recorded Nov 6, 2026201-500348 contacts →

Exact match

“Econic Partners is a leading economic consulting firm focused on complex antitrust, regulatory, litigation, and policy matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLos Angeles, TN, United StatesHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“We are economic experts with a depth of experience in both litigation and consulting across a wide range of practice areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Edgeworth Economics is an economic and quantitative consulting rm that provides economic analysis and expert testimony for clients facing complex litigation, regulatory, and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“We are legal and regulatory advisors who achieve extraordinary outcomes for clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrussels, BelgiumHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“We are a team of lawyers that is specialised in competition law.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“Aslan Law Firm was established in 2004 by Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-5059 contacts →

Exact match

“We are specialised in regulatory and competition law and advise our international client base on public procurement and trade law as well as on antitrust/competition, state aid…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“After decades of working side by side, Sperling & Slater and Kenny Nachwalter have combined to form a new firm with bold new possibilities for our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchChicago, TX, United StatesHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Coherent Economics is a boutique law and economics consulting firm providing world-class advisory services, data analysis, litigation support, and expert testimony to clients…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrussels (zaventem), BelgiumHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“assists its clients with independent and specialized advice in its practice areas: competition law | corporate law | commercial law | dispute resolution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNorwayHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Menon provides economic analyses and advice to companies, organisations and authorities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Concurrences is an independent legal publisher, dedicated to antitrust law and competition economics, founded in 2004 by Nicolas Charbit with the support of Prof.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Frontier Economics are the independent economic consultants for complex commercial, litigation, regulatory and public policy decision-making.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“London Economics is one of Europe's leading specialist economics and policy consultancies and has its head office in London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Osborne Partners is a consulting firm specialising in complex business and legal challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Fideres was founded in 2009 to investigate corporate and financial wrongdoing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBerlin, United KingdomHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“E.CA Economics is one of the leading European competition economics practices with a strong presence in Europe and the German-speaking market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBesiktas, TürkiyeHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“ACTECON advises clients on Turkish competition law, regulation and international trade remedies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“GLADE MICHEL WIRTZ ist eine international ausgerichtete Sozietät, die auf die Beratung in den Bereichen Corporate und Competition sowie M&A, Litigation und Compliance…”

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

Showing 25 of 399 antitrust consulting companies worldwide

See the full list, filter by size, metro and specialty, and access 3,973 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Antitrust consulting companies worldwide at a glance

As of Nov 6, 2026
52.7%Verified-email coverage
18.9Average contacts per company
1-10Median size (employees)
5.3%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
234
11-50
133
51-200
20
201-500
6
501-1,000
3

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 antitrust consulting companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “antitrust consulting companies” 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 3,973 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.

Antitrust consulting companies by location

2 lists · largest first

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

Countries

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 “antitrust consulting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many antitrust consulting companies are there worldwide?

RevenueBase identified 399 company matches for antitrust consulting companies 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?

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

Which country has the most antitrust consulting companies?

The United States leads with 64 companies, followed by Spain (41). Every antitrust consulting companies list by country and city is linked on this page.

Which city has the most antitrust consulting companies?

Paris leads with 21 company records, followed by London (18) and Sao Paulo (16).

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 3,973 professional contacts with verified work emails tracked across these 399 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.

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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.