Company lists · Data refreshed September 2026

Top 23 Merger and acquisition integration consultants based in Japan

RevenueBase identified 81 company matches for merger and acquisition integration consultants associated with Japan as of September 2026 and tracks 1,968 professional contacts across them, including 244 with verified work emails. Jing is the largest hub.

This list covers company matches for merger and acquisition integration consultants associated with Japan, 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.

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
81Companies
1,968Contacts tracked
244Verified emails
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The 23 largest merger and acquisition integration consultants based in Japan

Ranked by team size
Top 23 of 81 company matches for merger and acquisition integration consultants based in Japan, 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 match千代田区, JapanHQ recorded Sep 20, 2026501-1,000696 contacts →

Exact match

“is a management consulting company based out of, Japan.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact match千代田区, JapanHQ recorded Sep 20, 20261,001-5,000291 contacts →

Exact match

“M & am & m&a m&a”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact match千代田区, JapanHQ recorded Sep 20, 2026501-1,000162 contacts →

Exact match

“M & am & a ai 7.220259”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchTokyo, JapanHQ recorded Sep 20, 2026201-50047 contacts →

Exact match

“JP Tokyo is a leading management consulting and IT services firm, established in 2016 with a mission to empower global brands.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact match千代田区, JapanHQ recorded Sep 20, 202611-5043 contacts →

Exact match

“Genius offers comprehensive consulting service from management consulting and strategy proposal to reorganization and recruitment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact match中央区, JapanHQ recorded Sep 20, 2026201-50036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact match千代田区, JapanHQ recorded Sep 20, 202611-5031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact match千代田区, JapanHQ recorded Sep 20, 202651-20030 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchTokyo, JapanHQ recorded Sep 20, 202651-20026 contacts →

Exact match

“JCAI | Strategic M&A Advisory with a Global Edge At JCAI, we combine deep transactional experience with a proprietary deal database built through years of domestic and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact match中央区, JapanHQ recorded Sep 20, 202651-20014 contacts →

Exact match

“JG CORPORATION IT ITIT JG CORPORATION guides companies in Japan and around the world improve their productivity through consulting and technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchJing, JapanHQ recorded Sep 20, 2026201-5009 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact match渋谷区, JapanHQ recorded Sep 20, 202611-507 contacts →

Exact match

“is a management consulting company based out of, Japan.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact match千代田区, JapanHQ recorded Sep 20, 20261-103 contacts →

Exact match

“STORY plus STORY plus https://story-plus.co.jp/ M&A”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact match港区, JapanHQ recorded Sep 20, 202611-502 contacts →

Exact match

“Penguin Tokyo”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact match港区, JapanHQ recorded Sep 20, 202611-502 contacts →

Exact match

“Quantitative Consulting//Strategy/Mergers and Acquisitions/Due Diligence/Post-Merger Integration/Program Management”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchJapanHQ recorded Sep 20, 20261-102 contacts →

Exact match

“M&A 50100 510 https://japanfas.co.jp/trackrecord.html CFO”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchHamamatsu, JapanHQ recorded Sep 20, 20261-102 contacts →

Exact match

“Welcome to Coordilab, your strategic partner in project management, digital transformation, and global team integration.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchAgeo, JapanHQ recorded Sep 20, 20261-102 contacts →

Exact match

“A management consulting firm with strong background in strategy, operation, digital (IT, DX, Data Analytics) and organization (change management), offering various project support…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchShinjuku-ku, JapanHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Bridging Business Between Japan and the U.S.| Cross-Border M&A, PMI, and Turnaround Specialist Horizon Global Management & Integration, INC (HGMI) is dedicated to empowering…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchNihonmatsu, JapanHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Private Business M&A | Business Development | Management | Offline/Online Sales & Marketing | Consultant | Entrepreneur”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact match中央区, JapanHQ recorded Sep 20, 20261-101 contacts →

Exact match

“M&a 100% 80%”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchChiyoda-ku, JapanHQ recorded Sep 20, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact match新宿区, JapanHQ recorded Sep 20, 20261-101 contacts →

Exact match

Recorded description not available.

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

Showing 23 of 81 merger and acquisition integration consultants based in Japan

See the full list, filter by size, metro and specialty, and access 244 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Merger and acquisition integration consultants based in Japan at a glance

As of Sep 20, 2026
12.4%Verified-email coverage
24.3Average contacts per company
11-50Median size (employees)
24.7%Largest-city concentration · Jing
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
21
51-200
14
201-500
6
501-1,000
2
1,001-5,000
2
10001+
1

Email recency for this list is measured worldwide rather than for Japan, so it is reported there. Company counts and contact totals on this page are exact for Japan, over 81 companies.

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.
What qualifies
Company records associated with Japan whose business descriptions match “merger and acquisition integration consultants” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 244 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.

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 “merger and acquisition integration consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many merger and acquisition integration consultants are there based in Japan?

RevenueBase identified 81 company matches for merger and acquisition integration consultants associated with Japan 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?

デロイトトーマツコンサルティング(合同) tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most merger and acquisition integration consultants?

Jing leads with 20 company records, followed by Tokyo (8) and Xian (3).

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 244 professional contacts with verified work emails tracked across these 81 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.