Company lists · Data refreshed November 2026

Top 25 Change management communications firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,829 companies tracked

RevenueBase identified 8,829 company matches for change management communications firms worldwide as of November 2026 and tracks 47,636 professional contacts across them, including 12,736 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for change management communications 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 November 6, 2026. Country and city lists for change management communications 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 Nov 6, 2026 How this list was built

8,829Companies

47,636Contacts tracked

12,736Verified emails

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The 25 largest change management communications firms worldwide

Ranked by team size

Top 25 of 8,829 company matches for change management communications firms 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	Improfit	Exact match	Montevideo, UruguayHQ recorded Nov 6, 2026	n/a	1,851 contacts →
	Exact match “Improfit es una agencia de comunicación corporativa y organizacional fundada en en Montevideo, Uruguay.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	ICR	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	773 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
3	Emperor	Exact match	Aldgate, United KingdomHQ recorded Nov 6, 2026	201-500	445 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
4	Colombus Consulting	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	327 contacts →
	Exact match “Colombus Consulting is a management consulting firm specialized in business change and complex project management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Publicis Canada	Exact match	Montreal, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	318 contacts →
	Exact match “At Publicis we believe that change is shaped by those who are brave enough.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	WCL	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	289 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Joele Frank	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	201-500	274 contacts →
	Exact match “Joele Frank is a strategic communications firm that enables clients to take control in key moments of challenge and opportunity, from bet-the-company situations to the ongoing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Ideal Axicom	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	201-500	250 contacts →
	Exact match “Ideal Axicom brings together a team of over 200 communications experts in Brazil to partner with companies focused on disruption – from early-stage startups to top companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	SEC Newgate Italia	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	51-200	234 contacts →
	Exact match “Al cuore di ogni organizzazione ci sono le sue relazioni: collaboratori, clienti, filiera, territorio, istituzioni… Perché sono gli "altri" i terminali del suo agire e i…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Stratcomm, INC	Exact match	Framingham, MA, United StatesHQ recorded Nov 6, 2026	51-200	233 contacts →
	Exact match “People always ask, what does strategic communications mean?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Centigo	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	224 contacts →
	Exact match “Vi vitaliserar företag genom förändring.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Protiviti UK	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	207 contacts →
	Exact match “Welcome to the Protiviti perspective.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	JA Consulting LTD	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	188 contacts →
	Exact match “JA Consulting Limited is a passionate change consultancy focussing on sales and business transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Renoir Consulting	Exact match	Geneva, SwitzerlandHQ recorded Nov 6, 2026	201-500	164 contacts →
	Exact match “Global change management consulting company with >25 years of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	H&h Agency	Exact match	Hessle, United KingdomHQ recorded Nov 6, 2026	n/a	163 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
16	Basis Technologies	Exact match	Bracknell, United KingdomHQ recorded Nov 6, 2026	51-200	154 contacts →
	Exact match “We enable every SAP-run business to manage change intelligently - no matter how complex their technology landscape.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Seederdeboer	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	51-200	151 contacts →
	Exact match “SeederDeBoer is een eigenzinnig organisatieadviesbureau, gevestigd naast het centraal station van Amsterdam.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	The Zimmerman Agency	Exact match	Tallahassee, FL, United StatesHQ recorded Nov 6, 2026	51-200	148 contacts →
	Exact match “The Zimmerman Agency is a hyper-integrated marketing communications company providing a significant depth of services including strategic planning, creative + media development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Nexe The WAY Of Change	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	201-500	146 contacts →
	Exact match “Nexe The Way of Change is a company specialized in change management, active in Europe and Latin America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	10 K Beratung	Exact match	Speyer, GermanyHQ recorded Nov 6, 2026	51-200	145 contacts →
	Exact match “Mit über 30 Jahren Erfahrung sind wir für Unternehmen, Mitbestimmung und Menschen, die über Arbeitsplätze und ihre eigene Arbeit nachdenken müssen bzw.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Coreconsulting SPA	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	51-200	142 contacts →
	Exact match “Coreconsulting operates in the field of organisational development, communication and human resources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Briljent	Exact match	Fort Wayne, IL, United StatesHQ recorded Nov 6, 2026	51-200	136 contacts →
	Exact match “Founded in 1998, we specialize in training, organizational change management, and health strategy and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	ORG	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	134 contacts →
	Exact match “We believe that change is an opportunity to thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Brandcompr	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	51-200	129 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
25	Metropolitanrepublic	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	51-200	118 contacts →
	Exact match “MetropolitanRepublic is a full service communications company, with a firm and highly valued Strategic and Behavioural Change reputation.” 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 “change management communications 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 8,829 change management communications firms worldwide

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Change management communications firms worldwide at a glance

As of Nov 6, 2026

26.7%Verified-email coverage

5.4Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

7,387

11-50

1,173

51-200

179

201-500

501-1,000

1,001-5,000

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 change management communications firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “change management communications 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 12,736 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.

Change management communications firms by location

63 lists · largest first

Every Change management communications 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 “change management communications firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many change management communications firms are there worldwide?

RevenueBase identified 8,829 company matches for change management communications firms 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?

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

Which country has the most change management communications firms?

The United States leads with 1,545 companies, followed by the United Kingdom (725) and Germany (651). Every change management communications firms list by country and city is linked on this page.

Which city has the most change management communications firms?

London leads with 283 company records, followed by Paris (195) and Sydney (82).

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 12,736 professional contacts with verified work emails tracked across these 8,829 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.