Company lists · Data refreshed November 2026

Top 25 Change communication specialists worldwide

RevenueBase identified 1,119 company matches for change communication specialists worldwide as of November 2026 and tracks 4,597 professional contacts across them, including 1,032 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for change communication specialists 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 communication specialists 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
1,119Companies
4,597Contacts tracked
1,032Verified emails
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The 25 largest change communication specialists worldwide

Ranked by team size
Top 25 of 1,119 company matches for change communication specialists 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 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
2Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 2026201-500118 contacts →

Exact match

“Abreon is now Insight.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Agence indépendante, Publicorp invente de nouvelles manières de s'adresser à vos "clients rois" avec Catch a King, notre approche "stratégies 100% utiles".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchScotts Valley, CA, United StatesHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“ROI Communication is a 100% employee-owned internal communications company focused on helping the world’s leading businesses achieve their very best through inspired employee…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Future Communication is één van de grootste bureaus in Nederland gespecialiseerd in verandercommunicatie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMilan, ItalyHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Siamo una società di consulenza che dal 2004 aiuta le organizzazioni a migliorare le relazioni con i propri Stakeholder, realizzando progetti di comunicazione interna ed esterna e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSao Jose Do Rio Preto, BrazilHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Aqui nós assopramos as velinhas pensando no próximo parabéns.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDC, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“For 30 years, The Moore Group has led Digital Solution Adoption for Global Fortune 500's and Government Agencies - specializing in Training + Communications + Change Management +…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchStockholm, SwedenHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Intellecta är en förändrings- och kommunikationsbyrå.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Involve is the only Dutch agency specialising in internal communication and change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Nos dedicamos a la comunicación interprofesional en su sentido más amplio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 2026n/a34 contacts →

Exact match

“About S Design Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDickson, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“At RD, we’re a lot of things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBloomington, MN, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Tunheim is hiring!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Ellun Kanat is a Helsinki-based strategic change agency who sees communication as the best possible tool to create change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHeidelberg, GermanyHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Change – Communication – Collaboration Without effective communication, there can be no focused changes, without change, there can be no effective collaboration and without…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchInnsbruck, AustriaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Ob von langer Hand geplant – wie beim Change Management und der Projektkommunikation – oder in plötzlich eintretenden Situationen, in denen mit strategischem Krisenmanagement…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Kaptivate is a communications firm helping clients navigate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBasel, SwitzerlandHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Veränderung ist unser Business, Ihr Erfolg ist unser Erfolg – seit über 30 Jahren.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCampbell, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Communication Link is a boutique consultancy specialising in communication, engagement and change management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRedwood City, CA, United StatesHQ recorded Nov 6, 2026201-50025 contacts →

Exact match

“GuideSpark is the leader in change communications guiding over enterprise customers to business success by changing the hearts and minds of employees.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Wij zijn Beaumont Communicatie & Management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBudapest, HungaryHQ recorded Nov 6, 20261-1024 contacts →

Exact match

“Változásmenedzsment tanácsadók vagyunk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMontevrain, FranceHQ recorded Nov 6, 20261-1022 contacts →

Exact match

“Des productions immersives au service de votre impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Named Employee Communications Agency of the Year by PRovoke Media, and twice-named Boutique Agency of the Year by PRWeek, Chicago-based The Grossman Group helps leaders and…”

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

Showing 25 of 1,119 change communication specialists worldwide

See the full list, filter by size, metro and specialty, and access 1,032 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Change communication specialists worldwide at a glance

As of Nov 6, 2026
22.4%Verified-email coverage
4.1Average contacts per company
1-10Median size (employees)
3.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
983
11-50
111
51-200
15
201-500
3
10001+
1

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 communication specialists are linked below.
What qualifies
Company records worldwide whose business descriptions match “change communication specialists” 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 1,032 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 communication specialists by location

8 lists · largest first

Every Change communication specialists 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 communication specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many change communication specialists are there worldwide?

RevenueBase identified 1,119 company matches for change communication specialists 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?

H&h Agency tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most change communication specialists?

The United States leads with 228 companies, followed by the United Kingdom (101) and the Netherlands (97). Every change communication specialists list by country and city is linked on this page.

Which city has the most change communication specialists?

London leads with 43 company records, followed by Paris (22) and Stockholm (12).

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 1,032 professional contacts with verified work emails tracked across these 1,119 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.