Company lists · Data refreshed November 2026

Top 25 Add-on acquisition advisors worldwide

Name: Add-on acquisition advisors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,956 companies tracked

RevenueBase identified 10,956 company matches for add-on acquisition advisors worldwide as of November 2026 and tracks 117,228 professional contacts across them, including 47,508 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for add-on acquisition advisors 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 add-on acquisition advisors 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

10,956Companies

117,228Contacts tracked

47,508Verified emails

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The 25 largest add-on acquisition advisors worldwide

Ranked by team size

Top 25 of 10,956 company matches for add-on acquisition advisors 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ey-Parthenon	Exact match	London, IsraelHQ recorded Nov 6, 2026	10001+	19,017 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 · Nov 6, 2026 · View company records in RevenueBase
2	L.E.K. Consulting	Exact match	Boston, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,270 contacts →
	Exact match “L.E.K.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Lazard	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	4,127 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 · Nov 6, 2026 · View company records in RevenueBase
4	Evercore	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,694 contacts →
	Exact match “Evercore (NYSE: EVR) is a premier global independent investment banking advisory firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Nassau Street Partners	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	1,928 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 · Nov 6, 2026 · View company records in RevenueBase
6	Lincoln International	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,650 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 · Nov 6, 2026 · View company records in RevenueBase
7	PJT Partners	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	1,525 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 · Nov 6, 2026 · View company records in RevenueBase
8	Riveron	Exact match	Dallas, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,246 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 · Nov 6, 2026 · View company records in RevenueBase
9	Eight Advisory	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	931 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 · Nov 6, 2026 · View company records in RevenueBase
10	Centerview Partners	Exact match	New York, United StatesHQ recorded Nov 6, 2026	501-1,000	720 contacts →
	Exact match “Centerview Partners is a premier provider of independent investment-banking advisory services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Greenhill & CO	Exact match	New York, United StatesHQ recorded Nov 6, 2026	201-500	692 contacts →
	Exact match “Greenhill & Co, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Benchmark International	Exact match	Tampa, United StatesHQ recorded Nov 6, 2026	201-500	541 contacts →
	Exact match “Benchmark International is a global M&A firm that provides business owners with creative, value-maximizing solutions for growing and exiting their businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Sc&h	Exact match	Hunt Valley, MD, United StatesHQ recorded Nov 6, 2026	201-500	538 contacts →
	Exact match “SC & H is an employee-owned, global consulting and financial services firm driving business, technology, and teams forward.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Solomon Partners	Exact match	New York, FL, United StatesHQ recorded Nov 6, 2026	201-500	451 contacts →
	Exact match “Solomon Partners is a leading investment bank – one of the first independent firms in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Clearwater	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	411 contacts →
	Exact match “Clearwater is an independent corporate finance house focused on unlocking the latent potential in every business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Nihon M&a Center INC	Exact match	千代田区, JapanHQ recorded Nov 6, 2026	1,001-5,000	334 contacts →
	Exact match “M & am & m&a m&a” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Sellside Group, LLC	Exact match	Dallas, TX, United StatesHQ recorded Nov 6, 2026	51-200	330 contacts →
	Exact match “Selling a business is one of the most important financial decisions you'll ever make.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Geller	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	322 contacts →
	Exact match “Geller provides financial services and strategic advisory to private companies and not-for-profit organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Capstone Partners	Exact match	Boston, IL, United StatesHQ recorded Nov 6, 2026	51-200	319 contacts →
	Exact match “The companies that power the economy deserve sophisticated advice, senior-level attention, and flawless execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Bellwether	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	201-500	316 contacts →
	Exact match “Bellwether is the trusted advisory partner to global institutional real estate investors, acting as a force multiplier for their internal teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Generational Equity, LLC	Exact match	Richardson, GA, United StatesHQ recorded Nov 6, 2026	201-500	287 contacts →
	Exact match “Generational Equity has closed more deals in the middle market than any M&A firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Carlsquare	Exact match	Hamburg, GermanyHQ recorded Nov 6, 2026	51-200	264 contacts →
	Exact match “Carlsquare is a partner-led investment bank that supports companies and their shareholders to implement their strategic goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Quantuma	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	263 contacts →
	Exact match “Quantuma is a leading business advisory firm which works with businesses at the key milestones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Marshberry	Exact match	Woodmere, NY, United StatesHQ recorded Nov 6, 2026	201-500	261 contacts →
	Exact match “MarshBerry – Helping Clients Learn, Improve & Realize Value MarshBerry is a global leader in investment banking and consulting dedicated to helping insurance brokerages, and firms…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Redseer Strategy Consultants	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	51-200	250 contacts →
	Exact match “Redseer is a leading strategy consulting firm that guides critical decisions in disruptive markets for investors, brands and new-age companies.” Recorded in the RevenueBase company graph · Nov 6, 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 “add-on acquisition advisors”. 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 10,956 add-on acquisition advisors worldwide

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Add-on acquisition advisors worldwide at a glance

As of Nov 6, 2026

40.5%Verified-email coverage

10.7Average contacts per company

1-10Median size (employees)

4.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,025

11-50

2,463

51-200

333

201-500

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 add-on acquisition advisors are linked below.
What qualifies: Company records worldwide whose business descriptions match “add-on acquisition advisors” 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 47,508 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.

Add-on acquisition advisors by location

83 lists · largest first

Every Add-on acquisition advisors 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 “add-on acquisition advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many add-on acquisition advisors are there worldwide?

RevenueBase identified 10,956 company matches for add-on acquisition advisors 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?

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

Which country has the most add-on acquisition advisors?

The United States leads with 3,392 companies, followed by the United Kingdom (757) and France (490). Every add-on acquisition advisors list by country and city is linked on this page.

Which city has the most add-on acquisition advisors?

London leads with 491 company records, followed by New York (436) and Paris (264).

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 47,508 professional contacts with verified work emails tracked across these 10,956 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.