Company lists · Data refreshed September 2026

Top 25 Change management communication companies worldwide

Name: Change management communication companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 14,320 companies tracked

RevenueBase identified 14,320 change management communication companies worldwide as of September 2026 and tracks 67,046 professional contacts across them, including 18,397 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers change management communication companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for change management communication companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

14,320Companies

67,046Contacts tracked

18,397Verified emails

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The 25 largest change management communication companies worldwide

Ranked by team size

Top 25 of 14,320 change management communication companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to change management communication companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Square Management	Partial evidence	Neuilly Sur Seine, FranceHQ checked Sep 19, 2026	501-1,000	719 contacts →
	Partial evidence “Square Management est un cabinet de conseil spécialisé en stratégie et organisation qui accompagne ses clients dans l’anticipation, la conception et la réalisation de leurs…” Source: RevenueBase Database · checked Sep 19, 2026
2	Emperor	Partial evidence	Aldgate, United KingdomHQ checked Sep 19, 2026	201-500	415 contacts →
	Partial evidence “Emperor is one of the UK's leading employee-owned creative communications agencies.” Source: RevenueBase Database · checked Sep 19, 2026
3	Particip Gmbh	Partial evidence	Freiburg, GermanyHQ checked Sep 19, 2026	51-200	386 contacts →
	Partial evidence “Particip GmbH - Your Partner in Change was founded in 1989 and is now an independent, internationally-recognised consultancy company, offering the expertise and the know-how…” Source: RevenueBase Database · checked Sep 19, 2026
4	Colombus Consulting	Strong evidence	Paris, FranceHQ checked Sep 19, 2026	201-500	321 contacts →
	Strong evidence “Colombus Consulting is a management consulting firm specialized in business change and complex project management.” Source: RevenueBase Database · checked Sep 19, 2026
5	Acando	Indirect evidence	Helenelund, SwedenHQ checked Sep 19, 2026	10001+	299 contacts →
	Indirect evidence “Acando är partnern för dig som vill förändra din verksamhet.” Source: RevenueBase Database · checked Sep 19, 2026
6	WCL	Strong evidence	London, United KingdomHQ checked Sep 19, 2026	n/a	281 contacts →
	Strong evidence “WCL specialises in change and transformation management and has worked extensively with nearly all UK Government Departments, as well as many private sector clients, on planning…” Source: RevenueBase Database · checked Sep 19, 2026
7	Miltton	Partial evidence	Helsinki, FinlandHQ checked Sep 19, 2026	201-500	269 contacts →
	Partial evidence “We are an explorative, dynamic and constantly curious consulting group, equipped to offer insight and inspiration to our clients in a changing world.” Source: RevenueBase Database · checked Sep 19, 2026
8	Renoir Consulting	Strong evidence	Geneve, SwitzerlandHQ checked Sep 19, 2026	201-500	248 contacts →
	Strong evidence “Global change management consulting company with >25 years of experience.” Source: RevenueBase Database · checked Sep 19, 2026
9	Moorhouse B Corp Certified	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	247 contacts →
	Partial evidence “We’re a dynamic consulting firm, focused on delivering change.” Source: RevenueBase Database · checked Sep 19, 2026
10	Albany Beck	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	201-500	240 contacts →
	Partial evidence “Albany Beck is a client-first consulting firm helping financial services organisations deliver complex change and build capability, not dependency.” Source: RevenueBase Database · checked Sep 19, 2026
11	Centigo	Indirect evidence	Stockholm, SwedenHQ checked Sep 19, 2026	201-500	222 contacts →
	Indirect evidence “Vi vitaliserar företag genom förändring.” Source: RevenueBase Database · checked Sep 19, 2026
12	Vision Consulting	Indirect evidence	Dublin, IrelandHQ checked Sep 19, 2026	n/a	201 contacts →
	Indirect evidence “At VISION, we deliver transformation by working at the human foundation first.” Source: RevenueBase Database · checked Sep 19, 2026
13	Radley Yeldar	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	51-200	198 contacts →
	Partial evidence “Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Source: RevenueBase Database · checked Sep 19, 2026
14	Argain Consulting Innovation	Indirect evidence	Issy Les Moulineaux, FranceHQ checked Sep 19, 2026	201-500	194 contacts →
	Indirect evidence “Argain Consulting Innovation est un cabinet de conseil qui accompagne depuis plus de 20 ans ses clients dans le développement de leur performance et la réussite de leurs…” Source: RevenueBase Database · checked Sep 19, 2026
15	JA Consulting LTD	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	n/a	187 contacts →
	Partial evidence “JA Consulting Limited is a passionate change consultancy focussing on sales and business transformation.” Source: RevenueBase Database · checked Sep 19, 2026
16	Prime 8 Consulting	Partial evidence	Bellevue, WA, United StatesHQ checked Sep 19, 2026	201-500	177 contacts →
	Partial evidence “Some of the biggest names in business trust Prime 8 to help them adapt, transform, and grow, and for the last two decades, that's meant showing up for every wave of change: the…” Source: RevenueBase Database · checked Sep 19, 2026
17	TACT	Indirect evidence	Québec, QC, CanadaHQ checked Sep 19, 2026	51-200	175 contacts →
	Indirect evidence “Founded in September 2011, TACT Intelligence-conseil is composed of a group of experienced, professional communicators seeking to create a Québec-owned consulting agency.” Source: RevenueBase Database · checked Sep 19, 2026
18	Briljent	Strong evidence	Fort Wayne, IN, United StatesHQ checked Sep 19, 2026	51-200	174 contacts →
	Strong evidence “Founded in 1998, we specialize in training, organizational change management, and health strategy and innovation.” Source: RevenueBase Database · checked Sep 19, 2026
19	CYLAD	Indirect evidence	Puteaux, FranceHQ checked Sep 19, 2026	51-200	171 contacts →
	Indirect evidence “Independent consulting firm, CYLAD guides executives from industries and associated services to overcome performance, transformation and growth challenges.” Source: RevenueBase Database · checked Sep 19, 2026
20	LÁ NA Firma	Indirect evidence	Barcelona, SpainHQ checked Sep 19, 2026	n/a	171 contacts →
	Indirect evidence “Prazer, somos o LÁ NA FIRMA!” Source: RevenueBase Database · checked Sep 19, 2026
21	MSE	Partial evidence	Riyadh, Saudi ArabiaHQ checked Sep 19, 2026	51-200	163 contacts →
	Partial evidence “MSE is a management consulting firm specialized in the development and implementation of corporate, people, and operational strategies.” Source: RevenueBase Database · checked Sep 19, 2026
22	Seederdeboer	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 19, 2026	51-200	158 contacts →
	Indirect evidence “SeederDeBoer is een eigenzinnig organisatieadviesbureau, gevestigd naast het centraal station van Amsterdam.” Source: RevenueBase Database · checked Sep 19, 2026
23	Altha Consulting	Strong evidence	Jakarta Selatan, IndonesiaHQ checked Sep 19, 2026	51-200	152 contacts →
	Strong evidence “Altha Consulting is a management consulting firm focused on change management, human capital transformation, and organizational design for state-owned enterprises and financial…” Source: RevenueBase Database · checked Sep 19, 2026
24	Cubematch	Partial evidence	Dublin, IrelandHQ checked Sep 19, 2026	201-500	149 contacts →
	Partial evidence “CubeMatch is a global change and transformation consultancy, Powering Change for Financial Services since 2002.” Source: RevenueBase Database · checked Sep 19, 2026
25	Coreconsulting SPA	Partial evidence	Milan, ItalyHQ checked Sep 19, 2026	51-200	148 contacts →
	Partial evidence “Coreconsulting operates in the field of organisational development, communication and human resources.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: change management communication companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names change management communication companies.
Partial evidence: Its own public description names part of change management communication companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name change management communication companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 14,320 change management communication companies worldwide

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Change management communication companies worldwide at a glance

As of Sep 19, 2026

27.4%Verified-email coverage

4.7Average contacts per company

1-10Median size (employees)

2.5%Largest-city concentration · Paris

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

12,149

11-50

1,807

51-200

265

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among change management communication companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for change management communication companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “change management communication companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names change management communication companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among change management communication companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 18,397 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Change management communication companies by location

64 lists · largest first

Every Change management communication companies 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names change management communication companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many change management communication companies are there worldwide?

RevenueBase identified 14,320 change management communication companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Square Management, headquartered in Neuilly Sur Seine, tops this list with the largest team on record.

Which country has the most change management communication companies?

The United States leads with 2,196 companies, followed by France (1,160) and Germany (1,085). Every change management communication companies list by country and city is linked on this page.

Which city has the most change management communication companies?

Paris leads with 364 headquartered companies, followed by London (361) and Toronto (136).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 18,397 verified decision-maker contacts tracked across these 14,320 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.