Company lists · Data refreshed September 2026

Top 25 Thought leadership agencies worldwide

Name: Thought leadership agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 19,202 companies tracked

RevenueBase identified 19,202 company matches for thought leadership agencies worldwide as of September 2026 and tracks 108,283 professional contacts across them, including 26,653 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for thought leadership agencies 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 September 22, 2026. Country and city lists for thought leadership agencies 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 Sep 22, 2026 How this list was built

19,202Companies

108,283Contacts tracked

26,653Verified emails

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The 25 largest thought leadership agencies worldwide

Ranked by team size

Top 25 of 19,202 company matches for thought leadership agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 Sep 22, 2026	n/a	12,976 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 · Sep 22, 2026 · View company records in RevenueBase
2	Edelman	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	5,001-10,000	6,242 contacts →
	Exact match “Edelman is a global communications firm that partners with businesses and organizations to evolve, promote and protect their brands and reputations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	FGS Global	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,814 contacts →
	Exact match “FGS Global is the strategic leadership advisory for a complex world.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	MSL Global	Exact match	Paris, United KingdomHQ recorded Sep 22, 2026	1,001-5,000	939 contacts →
	Exact match “MSL is the most powerful influence engine for brands, companies and leaders.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Nike Communications, INC	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	n/a	872 contacts →
	Exact match “We are a full-service communications agency behind some of the world’s most revered and iconic brands.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Porter Novelli	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	501-1,000	821 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 · Sep 22, 2026 · View company records in RevenueBase
7	Lucas Group	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 22, 2026	10001+	756 contacts →
	Exact match “Ultimate Minds is a professional consulting and marketing firm dedicated to empowering businesses, nonprofits, and startups with smart, affordable, and results-driven solutions.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Iresearch Services	Exact match	London, United StatesHQ recorded Sep 22, 2026	201-500	495 contacts →
	Exact match “We get it.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	The Hoffman Agency	Exact match	San Jose, CA, United StatesHQ recorded Sep 22, 2026	201-500	441 contacts →
	Exact match “Defining communications broadly to include digital, content marketing, thought leadership as well as traditional PR, The Hoffman Agency knows how to differentiate brands and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Emperor	Exact match	Aldgate, United KingdomHQ recorded Sep 22, 2026	201-500	415 contacts →
	Exact match “Emperor is one of the UK's leading employee-owned creative communications agencies.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Sunshine Sachs Morgan & Lylis	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	201-500	364 contacts →
	Exact match “Sunshine Sachs Morgan & Lylis is an independent, full-service firm specializing in communications and narrative strategy.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	DKC	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	201-500	349 contacts →
	Exact match “DKC is a full service public relations, marketing and government affairs firm and part of the Acceleration Community of Companies, Based in New York City, and with offices in Los…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Kekst CNC	Exact match	Paris, United StatesHQ recorded Sep 22, 2026	201-500	309 contacts →
	Exact match “Kekst CNC, the international strategic communications consultancy of Publicis Groupe, has pioneered strategic communications to help its clients achieve their most important…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	PR Pundit Havas RED	Exact match	Gurgaon, IndiaHQ recorded Sep 22, 2026	51-200	306 contacts →
	Exact match “PR Pundit Havas Red, part of the Havas Group (one of the world’s largest advertising and communication networks), is an award-winning integrated communications consultancy with a…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Reingold, INC	Exact match	Alexandria, VA, United StatesHQ recorded Sep 22, 2026	201-500	282 contacts →
	Exact match “Reingold is a full-service strategic communications and marketing firm, helping clients tell stories that get results.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	PACE	Exact match	Greensboro, NC, United StatesHQ recorded Sep 22, 2026	51-200	270 contacts →
	Exact match “We fuel engagement and drive results through the power of content.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	The Lede Company	Exact match	Beverly Hills, NY, United StatesHQ recorded Sep 22, 2026	51-200	247 contacts →
	Exact match “The Lede Company is a full-service strategy, communications and social impact consulting firm, specializing in corporate, entertainment, brand and nonprofit sectors.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Joele Frank	Exact match	New York, NY, United StatesHQ recorded Sep 22, 2026	201-500	243 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 · Sep 22, 2026 · View company records in RevenueBase
19	LPM Comunicação	Exact match	Lisboa, PortugalHQ recorded Sep 22, 2026	51-200	232 contacts →
	Exact match “LPM is the leading Communication and Public Relations consultancy in Portugal.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	SVM PR And Marketing	Exact match	Providence, RI, United StatesHQ recorded Sep 22, 2026	n/a	206 contacts →
	Exact match “Increasing visibility, relevance and value.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Headland	Exact match	City Of London, United KingdomHQ recorded Sep 22, 2026	51-200	205 contacts →
	Exact match “We are a communications consultancy powered by collaboration.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	ANGIE	Exact match	Paris, FranceHQ recorded Sep 22, 2026	51-200	205 contacts →
	Exact match “Angie est une agence indépendante de 150 personnes.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Medialink	Exact match	Beverly Hills, CA, United StatesHQ recorded Sep 22, 2026	51-200	204 contacts →
	Exact match “MediaLink is the leading consulting firm serving the media and marketing industry’s C-suite.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Moris Media	Exact match	United StatesHQ recorded Sep 22, 2026	51-200	199 contacts →
	Exact match “Moris Media is globally recognized as The Digital Doctors, a world-class boutique PR and digital marketing partner trusted for credibility, clarity and long-term growth.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Radley Yeldar	Exact match	London, United KingdomHQ recorded Sep 22, 2026	51-200	198 contacts →
	Exact match “Radley Yeldar is an award-winning, independent London and Birmingham-based creative consultancy with more than 200 communications specialists.” Recorded in the RevenueBase company graph · Sep 22, 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 “thought leadership agencies”. 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 19,202 thought leadership agencies worldwide

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Thought leadership agencies worldwide at a glance

As of Sep 22, 2026

24.6%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

2.7%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

16,413

11-50

2,443

51-200

268

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 thought leadership agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “thought leadership agencies” 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 26,653 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 September 22, 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.

Thought leadership agencies by location

88 lists · largest first

Every Thought leadership agencies 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 “thought leadership agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many thought leadership agencies are there worldwide?

RevenueBase identified 19,202 company matches for thought leadership agencies worldwide as of September 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 thought leadership agencies?

The United States leads with 5,331 companies, followed by the United Kingdom (1,024) and Brazil (923). Every thought leadership agencies list by country and city is linked on this page.

Which city has the most thought leadership agencies?

London leads with 517 company records, followed by New York (429) and Paris (342).

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 26,653 professional contacts with verified work emails tracked across these 19,202 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 September 22, 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.