Company lists · Data refreshed November 2026

Top 25 Merger integration communications consultants worldwide

RevenueBase identified 2,932 company matches for merger integration communications consultants worldwide as of November 2026 and tracks 25,074 professional contacts across them, including 6,261 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for merger integration communications consultants 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 merger integration communications consultants 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
2,932Companies
25,074Contacts tracked
6,261Verified emails
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The 25 largest merger integration communications consultants worldwide

Ranked by team size
Top 25 of 2,932 company matches for merger integration communications consultants 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 matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500773 contacts →

Exact match

“ICR is a strategic communications and advisory firm that helps management teams align how they communicate with how markets think.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAldgate, United KingdomHQ recorded Nov 6, 2026201-500445 contacts →

Exact match

“Emperor is one of the UK's leading employee-owned creative communications agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 202651-200424 contacts →

Exact match

“We are proud to announce that PowerScoppechio is now operating as TogetherWith.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-200337 contacts →

Exact match

“PR Pundit Havas Red, part of the Havas Group (one of the world’s largest advertising and communication networks), is an award-winning integrated communications consultancy with a…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact match千代田区, JapanHQ recorded Nov 6, 20261,001-5,000334 contacts →

Exact match

“M & am & m&a m&a”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSeoul, United StatesHQ recorded Nov 6, 2026201-500317 contacts →

Exact match

“Kekst CNC, the international strategic communications consultancy of Publicis Groupe, has pioneered strategic communications to help its clients achieve their most important…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+262 contacts →

Exact match

“Born from Flex's Cloud and Power Infrastructure segment, Axiom will build the critical digital and electrical infrastructure that enables the world's most important technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“Alchemist is one of the largest independent communications agency, offering integrated communication solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“PBS is now Apex Companies, LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHeliopolis, EgyptHQ recorded Nov 6, 202651-200196 contacts →

Exact match

“Think of POD as the market’s leading 360-communications agency for public relations, digital media services, media-buying and event management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFortaleza, BrazilHQ recorded Nov 6, 202651-200177 contacts →

Exact match

“Em 2011, o encontro da tradição com a modernidade aconteceu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-200171 contacts →

Exact match

“Insights and strategy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500169 contacts →

Exact match

“Hanover is an award-winning communications consultancy that advises enterprises, institutions, and individuals on rewiring their strategies for long-term success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHessle, United KingdomHQ recorded Nov 6, 2026n/a163 contacts →

Exact match

“H&H - The UK’s leading Internal Communications and Employee Engagement agency Every day we throw our collective energy, knowledge and creativity into improving the way people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 2026201-500161 contacts →

Exact match

“UNBOUND MEDIA stands for freedom, passion, and excellent consultancy-with an uncompromising focus on our clients’ needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSeoul, South KoreaHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“Prain Global Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBothell, WA, United StatesHQ recorded Nov 6, 202611-50145 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“Honeycomb Creative Support is an integrated marketing communication agency, based in Bangalore, India with branches in Mumbai and Hyderabad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Farner Schweiz ist die ganzheitliche Beratungs- und Kommunikationsplattform mit landesweiter Abdeckung an sieben Standorten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202651-200137 contacts →

Exact match

“Agence indépendante, Babel œuvre à une communication corporate plus simple, plus sincère et plus excitante, qui met en résonance les stratégies et les transformations des…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMilan, ItalyHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“Noesis Srl è un’agenzia di comunicazione d'impresa indipendente che fornisce consulenza strategica e servizi di comunicazione integrata per aziende, enti e istituzioni.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew York, CA, United StatesHQ recorded Nov 6, 202651-200131 contacts →

Exact match

“RF|Binder is a fully integrated communications agency and consultancy that aligns communications and business strategy to achieve results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSantiago, ChileHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Incorporamos la comunicación estratégica como una disciplina activa en la gestión del negocio de nuestros clientes, de manera de agregar valor a su actividad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“BrandcomPR offers an integrated range of services across Brand Consulting, Public Relations and Digital Marketing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Hallvarsson & Halvarsson offers Sweden’s largest combined expertise in trust building corporate communications.”

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

Showing 25 of 2,932 merger integration communications consultants worldwide

See the full list, filter by size, metro and specialty, and access 6,261 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Merger integration communications consultants worldwide at a glance

As of Nov 6, 2026
25.0%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
3.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,109
11-50
652
51-200
118
201-500
25
501-1,000
8
1,001-5,000
6
10001+
2

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 merger integration communications consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “merger integration communications 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. 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 6,261 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.

Merger integration communications consultants by location

21 lists · largest first

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

How many merger integration communications consultants are there worldwide?

RevenueBase identified 2,932 company matches for merger integration communications consultants 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?

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

Which country has the most merger integration communications consultants?

The United States leads with 576 companies, followed by the United Kingdom (208) and Brazil (158). Every merger integration communications consultants list by country and city is linked on this page.

Which city has the most merger integration communications consultants?

London leads with 104 company records, followed by Sao Paulo (62) and Paris (58).

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 6,261 professional contacts with verified work emails tracked across these 2,932 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.