Company lists · Data refreshed November 2026

Top 25 Leadership communication consultants worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 18,542 companies tracked

RevenueBase identified 18,542 company matches for leadership communication consultants worldwide as of November 2026 and tracks 88,794 professional contacts across them, including 17,422 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for leadership 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 leadership 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

18,542Companies

88,794Contacts tracked

17,422Verified emails

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The 25 largest leadership communication consultants worldwide

Ranked by team size

Top 25 of 18,542 company matches for leadership 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	Idol Image Consulting	Exact match	Kula, HI, TürkiyeHQ recorded Nov 6, 2026	n/a	12,972 contacts →
	Exact match “IDOL Image Consulting has developed strategies to help individuals, groups or corporate organizations face today’s challenges and fierce competition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	DDI Development Dimensions International	Exact match	Bridgeville, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,623 contacts →
	Exact match “At DDI, we believe a better future starts with better leaders.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	OWN The Room	Exact match	Montclair, NJ, United StatesHQ recorded Nov 6, 2026	51-200	309 contacts →
	Exact match “Own The Room® is the flagship communication training product line from LifeHikes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Leadership Circle	Exact match	Draper, UT, United StatesHQ recorded Nov 6, 2026	51-200	264 contacts →
	Exact match “Welcome to the global brand hub of Leadership Circle!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Kreab Worldwide	Exact match	Norrmalm, SwedenHQ recorded Nov 6, 2026	501-1,000	247 contacts →
	Exact match “With 50 years of experience in strategic communications, we are proud to say that we have played an integral part in shaping the business landscape as we know it today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	RHR International	Exact match	Chicago, NY, United StatesHQ recorded Nov 6, 2026	201-500	216 contacts →
	Exact match “RHR is a globally respected leadership consulting firm that helps businesses drive performance and growth through data-led assessment, world-class coaching, and executive…” 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	TSD Communications, INC	Exact match	Washington, United StatesHQ recorded Nov 6, 2026	51-200	174 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	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
12	Signium	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	51-200	168 contacts →
	Exact match “What got us here won’t get us there… Business today is more volatile and unpredictable than ever.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Duarte, INC	Exact match	Mountain View, CA, United StatesHQ recorded Nov 6, 2026	51-200	157 contacts →
	Exact match “Communicate with impact because every idea matters.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	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
15	The Oxford Group	Exact match	Oxford, United KingdomHQ recorded Nov 6, 2026	201-500	147 contacts →
	Exact match “The future of your organisation is shaped by the leaders you develop today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Marina Blom	Exact match	Varberg, SwedenHQ recorded Nov 6, 2026	n/a	140 contacts →
	Exact match “Hej och välkommen in till mig Har du strategier, planer och goda intentioner men ändå händer det inte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Hager Executive Consulting Gmbh	Exact match	Frankfurt, GermanyHQ recorded Nov 6, 2026	51-200	137 contacts →
	Exact match “HAGER is the leading global leadership consultancy, empowering leaders to tackle complex challenges with human-centered solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	The Flippen Group	Exact match	College Station, TX, United StatesHQ recorded Nov 6, 2026	201-500	131 contacts →
	Exact match “We are experts in leadership behavior who help break constraints and unleash bottom-line results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Sandler TEM Associates, INC	Exact match	West Hartford, NY, United StatesHQ recorded Nov 6, 2026	n/a	131 contacts →
	Exact match “Sandler \| TEM Associates provides services designed to increase ability, confidence and effectiveness in dealing and communicating with other people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	The RBL Group	Exact match	Provo, UT, United StatesHQ recorded Nov 6, 2026	51-200	130 contacts →
	Exact match “The RBL Group is a consulting and development firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Dialogika	Exact match	Kabupaten Sleman, IndonesiaHQ recorded Nov 6, 2026	n/a	128 contacts →
	Exact match “Banyak mahasiswa dan fresh graduate sebenarnya punya ide yang bagus, tapi kesulitan menyampaikannya dengan jelas dan percaya diri baik saat presentasi, diskusi kelas, maupun…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Ariel Group	Exact match	Waltham, United StatesHQ recorded Nov 6, 2026	51-200	127 contacts →
	Exact match “At Ariel, we help develop authentic leaders through leadership development programs, communication training, executive coaching, and executive mentorship.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Aiir Consulting	Exact match	Bala Cynwyd, PA, United StatesHQ recorded Nov 6, 2026	51-200	120 contacts →
	Exact match “At AIIR Consulting, we believe leadership is the greatest lever for change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Gennesys	Exact match	Goiânia, BrazilHQ recorded Nov 6, 2026	51-200	119 contacts →
	Exact match “A LARGADA DA HISTÓRIA Criado em 1995, o Grupo Gennesys prontamente se destacou no mercado local pelo investimento diferenciado em capital humano e a experiência internacional de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	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

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 “leadership 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 18,542 leadership communication consultants worldwide

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Leadership communication consultants worldwide at a glance

As of Nov 6, 2026

19.6%Verified-email coverage

4.8Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

16,834

11-50

1,454

51-200

138

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

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 leadership communication consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “leadership 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 17,422 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.

Leadership communication consultants by location

102 lists · largest first

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

How many leadership communication consultants are there worldwide?

RevenueBase identified 18,542 company matches for leadership 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?

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

Which country has the most leadership communication consultants?

The United States leads with 5,485 companies, followed by the United Kingdom (1,204) and Germany (833). Every leadership communication consultants list by country and city is linked on this page.

Which city has the most leadership communication consultants?

London leads with 540 company records, followed by New York (312) and Paris (240).

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 17,422 professional contacts with verified work emails tracked across these 18,542 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.