Company lists · Data refreshed November 2026

Top 25 Leadership development firms worldwide

RevenueBase identified 142,022 company matches for leadership development firms worldwide as of November 2026 and tracks 786,518 professional contacts across them, including 173,671 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for leadership development 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 leadership development 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
142,022Companies
786,518Contacts tracked
173,671Verified emails
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The 25 largest leadership development firms worldwide

Ranked by team size
Top 25 of 142,022 company matches for leadership development 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchn/a10001+52,155 contacts →

Exact match

“McKinsey & Company is a global management consulting firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLos Angeles, United StatesHQ recorded Nov 6, 202610001+14,835 contacts →

Exact match

“Korn Ferry is a global consulting firm that powers performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKula, HI, TürkiyeHQ recorded Nov 6, 2026n/a12,972 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
4Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026n/a11,488 contacts →

Exact match

“ABC Consultants is India’s leading executive search and talent advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStockholm, SwedenHQ recorded Nov 6, 20261,001-5,0007,682 contacts →

Exact match

“BTS is a global professional services firm that helps the world’s leading organizations move from strategy to execution at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBoston, United StatesHQ recorded Nov 6, 20261,001-5,0004,270 contacts →

Exact match

“L.E.K.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 20261,001-5,0004,105 contacts →

Exact match

“In a world moving at the pace of AI, GP Strategies is The Learning Velocity Company™, amplifying your people’s potential at the speed of opportunity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Nov 6, 20261,001-5,0003,864 contacts →

Exact match

“Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchZurich, SwitzerlandHQ recorded Nov 6, 20261,001-5,0003,404 contacts →

Exact match

“Egon Zehnder is the world’s preeminent leadership advisory firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChicago, United StatesHQ recorded Nov 6, 20261,001-5,0003,333 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchStockholm, SwedenHQ recorded Nov 6, 2026n/a2,950 contacts →

Exact match

“Chef - the largest leadership magazine in the Nordics exists to give you the tools, inspiration and motivation for your leadershep!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAlmere, NetherlandsHQ recorded Nov 6, 2026501-1,0002,585 contacts →

Exact match

“Je wilt vooruit in je werk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGreensboro, United StatesHQ recorded Nov 6, 2026501-1,0002,398 contacts →

Exact match

“At the Center for Creative Leadership, our drive to create a ripple effect of positive change underpins everything we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 2026n/a2,345 contacts →

Exact match

“Management Leadership for Tomorrow (MLT) is a non-profit organization that is changing the face of leadership across sectors and driving breakthrough results for individuals and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026501-1,0001,956 contacts →

Exact match

“Vistage is the world’s largest executive coaching and peer advisory organization for small and midsize businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,902 contacts →

Exact match

“FGS Global is the strategic leadership advisory for a complex world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDraper, UT, United StatesHQ recorded Nov 6, 2026501-1,0001,891 contacts →

Exact match

“We give strategy the human edge™.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHellerup, DenmarkHQ recorded Nov 6, 20261,001-5,0001,818 contacts →

Exact match

“How can organisations become truly fit for humans and fit for the future?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,752 contacts →

Exact match

“Dale Carnegie helps people from all walks of life become fearless, giving leaders the confidence they need to get the most out of life and work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWilmington, DE, United StatesHQ recorded Nov 6, 20261,001-5,0001,738 contacts →

Exact match

“We help CFOs and executive teams clarify what matters most, then deliver elite financial talent to make it happen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBridgeville, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,623 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
22Exact matchAtlanta, United StatesHQ recorded Nov 6, 20261,001-5,0001,598 contacts →

Exact match

“NIIT MTS is the trusted and award-winning L&D and talent partner for the world’s leading companies in over 33 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBarueri, BrazilHQ recorded Nov 6, 2026501-1,0001,385 contacts →

Exact match

“Na Febracis, acreditamos no poder das conexões para mudar vidas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchn/an/a1,207 contacts →

Exact match

“Established in 1994, we provide a blend of business strategy, marketing services, behavioural change and executive coaching services and techniques to help grow the business of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Nov 6, 2026n/a1,178 contacts →

Exact match

“At Leadership First, we are committed to publishing the very best inspirational leadership quotes and articles from the best leadership minds in the world.”

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

Showing 25 of 142,022 leadership development firms worldwide

See the full list, filter by size, metro and specialty, and access 173,671 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Leadership development firms worldwide at a glance

As of Nov 6, 2026
22.1%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
120,298
11-50
17,428
51-200
2,770
201-500
606
501-1,000
218
1,001-5,000
140
5,001-10,000
33
10001+
87

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 development firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “leadership development 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 173,671 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 development firms by location

496 lists · largest first

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

How many leadership development firms are there worldwide?

RevenueBase identified 142,022 company matches for leadership development 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?

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

Which country has the most leadership development firms?

The United States leads with 32,428 companies, followed by the United Kingdom (9,211) and Brazil (6,732). Every leadership development firms list by country and city is linked on this page.

Which city has the most leadership development firms?

London leads with 3408 company records, followed by Sao Paulo (1993) and Paris (1675).

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 173,671 professional contacts with verified work emails tracked across these 142,022 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.