Company lists · Data refreshed September 2026

Top 25 Transaction support consulting firms worldwide

Name: Transaction support consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 16,980 companies tracked

RevenueBase identified 16,980 company matches for transaction support consulting firms worldwide as of September 2026 and tracks 191,839 professional contacts across them, including 77,141 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for transaction support consulting 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 29, 2026. Country and city lists for transaction support consulting 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 29, 2026 How this list was built

16,980Companies

191,839Contacts tracked

77,141Verified emails

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The 25 largest transaction support consulting firms worldwide

Ranked by team size

Top 25 of 16,980 company matches for transaction support consulting firms worldwide, 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	Ey-Parthenon	Exact match	London, United KingdomHQ recorded Sep 29, 2026	10001+	17,070 contacts →
	Exact match “Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Alvarez & Marsal	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	10001+	13,099 contacts →
	Exact match “Alvarez & Marsal is a leading global professional services firm dedicated to helping organizations tackle their most complex business issues, maximize stakeholder value, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3	Rothschild & CO	Exact match	Paris, ItalyHQ recorded Sep 29, 2026	1,001-5,000	5,161 contacts →
	Exact match “Rothschild & Co is one of the world's largest independent financial advisory groups.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Lazard	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,912 contacts →
	Exact match “Founded in 1848, Lazard is the preeminent financial advisory and asset management firm, with operations in North and South America, Europe, the Middle East, Asia, and Australia.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Houlihan Lokey	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,576 contacts →
	Exact match “Houlihan Lokey, Inc.(NYSE:HLI) is a leading global investment bank recognized for delivering independent strategic and financial advice to corporations, financial sponsors, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Evercore	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	3,296 contacts →
	Exact match “Evercore (NYSE: EVR) is a premier global independent investment banking advisory firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	Moelis & Company	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,742 contacts →
	Exact match “Moelis & Company (“Moelis”) is a leading global independent investment bank that provides innovative strategic advice and solutions to a diverse client base, including…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Lincoln International	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,489 contacts →
	Exact match “Lincoln International, Inc.(NYSE: LCLN) is a trusted investment banking advisor to business owners and senior executives of leading private equity firms and their portfolio…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	PJT Partners	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	1,420 contacts →
	Exact match “PJT Partners is a premier, global, advisory-focused investment bank that was built from the ground up to be different.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Kpmgジャパン/kpmg Japan	Exact match	千代田区, JapanHQ recorded Sep 29, 2026	5,001-10,000	1,419 contacts →
	Exact match “KPMGKPMG310 KPMG KPMG KPMG KPMG KPMG FAS KPMG Forensic & Risk Advisory KPMG KPMG KPMG KPMG Ignition Tokyo KPMG” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	STOUT	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,345 contacts →
	Exact match “Stout is a global advisory firm specializing in corporate finance, accounting and transaction advisory, valuation, financial disputes, claims, and investigations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	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
13	WIPRO	Exact match	Valencia, SpainHQ recorded Sep 29, 2026	n/a	1,097 contacts →
	Exact match “En Wipro impulsamos el progreso.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	CFGI	Exact match	Boston, MA, United StatesHQ recorded Sep 29, 2026	501-1,000	1,063 contacts →
	Exact match “As a leading global accounting and business advisory firm, CFGI provides solutions to solve clients’ most complex problems, without the restrictions created by auditor…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	SBI Capital Markets	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	201-500	931 contacts →
	Exact match “SBI Capital Markets Limited (SBICAPS) is registered with SEBI as a Category I Merchant Banker (Registration No.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Nassau Street Partners	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	n/a	904 contacts →
	Exact match “Nassau Street Partners is an independent capital advisory firm focused on mergers and acquisitions, capital markets advisory, and strategic financial solutions for early-stage and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Eight Advisory	Exact match	Paris, FranceHQ recorded Sep 29, 2026	501-1,000	895 contacts →
	Exact match “Eight Advisory, Europe's leading independent advisory firm specialising in financial, operational and strategy consulting, is involved in transactions, restructuring and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Perella Weinberg	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	883 contacts →
	Exact match “Perella Weinberg is a leading global independent financial services firm, founded in 2006 to address the need for experienced, trusted and unconflicted advice in the financial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Accuracy	Exact match	Paris, SingaporeHQ recorded Sep 29, 2026	501-1,000	868 contacts →
	Exact match “Accuracy is a wholly independent international consulting firm providing advice to company management and shareholders for their strategic or critical decisions, notably in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Duff & Phelps	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	5,001-10,000	790 contacts →
	Exact match “For nearly 100 years, Duff & Phelps helped clients make confident decisions in the areas of valuation, real estate, taxation and transfer pricing, disputes, M&A advisory and other…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	FBR	Exact match	Arlington, VA, United StatesHQ recorded Sep 29, 2026	n/a	789 contacts →
	Exact match “In June 2017, B.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Idbi Capital Markets & Securities LTD	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	501-1,000	784 contacts →
	Exact match “SEBI Reg No:NSE (CM, F&O) & BSE No:0893 \| DP ID: IN300-079/450 \| NSE Member No- 07066 \| BSE Clg.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	FRP Advisory	Exact match	London, United KingdomHQ recorded Sep 29, 2026	501-1,000	731 contacts →
	Exact match “FRP is a leading national business advisory firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	DC Advisory	Exact match	London, United KingdomHQ recorded Sep 29, 2026	501-1,000	721 contacts →
	Exact match “DC Advisory is an international investment bank committed to making a difference.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Centerview Partners	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	501-1,000	693 contacts →
	Exact match “Centerview Partners is a premier provider of independent investment-banking advisory services.” 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 “transaction support 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 16,980 transaction support consulting firms worldwide

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Transaction support consulting firms worldwide at a glance

As of Sep 29, 2026

40.2%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11,969

11-50

4,080

51-200

634

201-500

154

501-1,000

1,001-5,000

5,001-10,000

10001+

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 transaction support consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “transaction support 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. 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 77,141 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.

Transaction support consulting firms by location

108 lists · largest first

Every Transaction support consulting 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 “transaction support consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many transaction support consulting firms are there worldwide?

RevenueBase identified 16,980 company matches for transaction support consulting 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?

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

Which country has the most transaction support consulting firms?

The United States leads with 3,753 companies, followed by India (1,029) and the United Kingdom (914). Every transaction support consulting firms list by country and city is linked on this page.

Which city has the most transaction support consulting firms?

London leads with 571 company records, followed by New York (453) and Sao Paulo (441).

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 77,141 professional contacts with verified work emails tracked across these 16,980 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.