Company lists · Data refreshed November 2026

Top 25 Change communication consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 7,865 companies tracked

RevenueBase identified 7,865 company matches for change communication consultants worldwide as of November 2026 and tracks 44,835 professional contacts across them, including 10,902 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for change communication 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 change communication 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

7,865Companies

44,835Contacts tracked

10,902Verified emails

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The 25 largest change communication consultants worldwide

Ranked by team size

Top 25 of 7,865 company matches for change communication 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.
#	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	Porter Novelli	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	784 contacts →
	Exact match “Porter Novelli is the strategic communications company, fueled by innovation, empowering clients to do business better in an ever-changing world.” 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	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
5	Tinkle	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	201-500	241 contacts →
	Exact match “Expertos en comunicación cualitativa supra-especializada en corporativo, financiero, de marca, de reputación, de situaciones especiales, de ESG y workplace culture.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Moshi Moshi	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	51-200	239 contacts →
	Exact match “We are not just an ad agency or a creative agency, we are a Communication Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Headland	Exact match	City Of London, United KingdomHQ recorded Nov 6, 2026	51-200	213 contacts →
	Exact match “We are a communications consultancy powered by collaboration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Oficina Consultoria	Exact match	Brasília, BrazilHQ recorded Nov 6, 2026	51-200	212 contacts →
	Exact match “A Oficina Consultoria é a parceira estratégica para construir reputação e relacionamento com histórias e causas de impacto.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	TACT	Exact match	Québec, QC, CanadaHQ recorded Nov 6, 2026	51-200	185 contacts →
	Exact match “Founded in September 2011, TACT Intelligence-conseil is composed of a group of experienced, professional communicators seeking to create a Québec-owned consulting agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Wellcom	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	179 contacts →
	Exact match “How can you build and protect your Image without taking Opinions into account?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Pública	Exact match	Caba, IndiaHQ recorded Nov 6, 2026	51-200	176 contacts →
	Exact match “Somos una consultora en estrategia y comunicación que trabaja junto a las compañías y líderes más innovadores del mundo para transmitir de forma disruptiva y creativa el impacto…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Hanover Communications	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	169 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
13	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
14	Unbound Media	Exact match	Düsseldorf, GermanyHQ recorded Nov 6, 2026	201-500	161 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
15	Prain Global	Exact match	Seoul, South KoreaHQ recorded Nov 6, 2026	201-500	151 contacts →
	Exact match “Prain Global Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	GROW	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	51-200	148 contacts →
	Exact match “Somos más de 100 profesionales con entusiasmo, talento y capacidades para hacer frente a cualquier reto de comunicación.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Agence Babel	Exact match	Paris, FranceHQ recorded Nov 6, 2026	51-200	137 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
18	RF Binder	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	51-200	131 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
19	Azerta	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	51-200	129 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
20	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
21	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
22	Sámara	Exact match	Santiago, ChileHQ recorded Nov 6, 2026	11-50	117 contacts →
	Exact match “Sámara es una consultora de comunicaciones que desde sus inicios en 2005, ha buscado contribuir a cargar de sentido las comunicaciones de instituciones, organismos, empresas y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Agence WAT	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	114 contacts →
	Exact match “WAT est une agence indépendante de communication corporate et RH, au sein du groupe We are together, 1er groupe indépendant de communication corporate et RH, fédérant 3 marques…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Gallagher Employee Experience & Communication	Exact match	London, United KingdomHQ recorded Nov 6, 2026	10001+	112 contacts →
	Exact match “We are a global internal communication agency on a mission to help people feel different about work.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Hallvarsson & Halvarsson	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	51-200	111 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

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 communication consultants”. 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 7,865 change communication consultants worldwide

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Change communication consultants worldwide at a glance

As of Nov 6, 2026

24.3%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,562

11-50

1,110

51-200

129

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 communication consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “change communication 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 10,902 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 consultants by location

58 lists · largest first

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

How many change communication consultants are there worldwide?

RevenueBase identified 7,865 company matches for change communication 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?

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

Which country has the most change communication consultants?

The United States leads with 1,098 companies, followed by France (622) and Brazil (456). Every change communication consultants list by country and city is linked on this page.

Which city has the most change communication consultants?

London leads with 212 company records, followed by Paris (186) and Sao Paulo (165).

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 10,902 professional contacts with verified work emails tracked across these 7,865 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.