Company lists · Data refreshed November 2026

Top 25 Specialized agencies worldwide

RevenueBase identified 125,792 company matches for specialized agencies worldwide as of November 2026 and tracks 983,787 professional contacts across them, including 217,284 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for specialized 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 November 6, 2026. Country and city lists for specialized 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 Nov 6, 2026 How this list was built
125,792Companies
983,787Contacts tracked
217,284Verified emails
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The 25 largest specialized agencies worldwide

Ranked by team size
Top 25 of 125,792 company matches for specialized agencies 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 matchBonn, GermanyHQ recorded Nov 6, 202610001+19,966 contacts →

Exact match

“As a service provider in the field of international cooperation for sustainable development and international education work, we are dedicated to shaping a future worth living…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, United StatesHQ recorded Nov 6, 202610001+19,689 contacts →

Exact match

“The United Nations Development Programme works in nearly 170 countries and territories, helping to achieve the eradication of poverty, and the reduction of inequalities and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRome, ItalyHQ recorded Nov 6, 202610001+17,401 contacts →

Exact match

“The Food and Agriculture Organization (FAO) is a specialized agency of the United Nations that leads international efforts to defeat hunger.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 6, 20261,001-5,0008,811 contacts →

Exact match

“UNESCO - the United Nations Educational, Scientific and Cultural Organization (UNESCO) was founded on 16 November 1945.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchUsa, CA, FranceHQ recorded Nov 6, 202610001+7,622 contacts →

Exact match

“At Deloitte Digital, we connect brands with the right strategies and tools to create great impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026n/a5,345 contacts →

Exact match

“We help businesses and nonprofits grow, communicate, and succeed, professionally and affordably.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, NY, United KingdomHQ recorded Nov 6, 20265,001-10,0003,500 contacts →

Exact match

“Hello.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMilan, ItalyHQ recorded Nov 6, 20265,001-10,0003,207 contacts →

Exact match

“A network of thinkers, creatives and creators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Nov 6, 20261,001-5,0002,860 contacts →

Exact match

“Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, United StatesHQ recorded Nov 6, 20265,001-10,0002,800 contacts →

Exact match

“Grey’s mission is to create Famously Effective ideas that move people, business, and the world forward-harnessing the power of creativity to solve business problems and deliver…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202610001+2,762 contacts →

Exact match

“Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,0002,730 contacts →

Exact match

“Expertise France is a public agency and a key actor in international technical cooperation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVienna, AustriaHQ recorded Nov 6, 20261,001-5,0002,606 contacts →

Exact match

“UNIDO is a specialized agency of the United Nations with a unique mandate to promote, dynamize and accelerate industrial development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a1,989 contacts →

Exact match

“Marketizon is the leader in developing innovative, multi-channel marketing technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMontevideo, UruguayHQ recorded Nov 6, 2026n/a1,851 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
16Exact matchSan Francisco, United StatesHQ recorded Nov 6, 20261,001-5,0001,766 contacts →

Exact match

“frog is the reinvention and experience partner for the eco-digital era.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Nov 6, 20261,001-5,0001,548 contacts →

Exact match

“Together, we enhance and protect the value of your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLos Angeles, CO, United StatesHQ recorded Nov 6, 2026n/a1,517 contacts →

Exact match

“Everforth Creative Circle, part of the Everforth ™ network, delivers marketing and creative solutions to help companies solve business challenges of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 2026n/a1,328 contacts →

Exact match

“TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMinato-ku, United StatesHQ recorded Nov 6, 20261,001-5,0001,310 contacts →

Exact match

“Founded in 1895, Hakuhodo Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFort Lauderdale, NY, United StatesHQ recorded Nov 6, 20265,001-10,0001,229 contacts →

Exact match

“TEAM is dedicated to crafting brand experiences that are not just seen and heard but truly felt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchSão Paulo, BrazilHQ recorded Nov 6, 20261,001-5,0001,047 contacts →

Exact match

“Monks is the global, data-driven, digital-native operating brand of S4 Capital plc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0001,022 contacts →

Exact match

“Madison World, for the last 36 years has been helping clients solve their marketing challenges and generate sustainable profits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a960 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 125,792 specialized agencies worldwide

See the full list, filter by size, metro and specialty, and access 217,284 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Specialized agencies worldwide at a glance

As of Nov 6, 2026
22.1%Verified-email coverage
7.8Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
88,198
11-50
31,943
51-200
4,204
201-500
783
501-1,000
169
1,001-5,000
90
5,001-10,000
26
10001+
53

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 specialized agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “specialized 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 217,284 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.

Specialized agencies by location

516 lists · largest first

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

How many specialized agencies are there worldwide?

RevenueBase identified 125,792 company matches for specialized agencies 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?

Deutsche Gesellschaft FÜR Internationale Zusammenarbeit GIZ Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most specialized agencies?

The United States leads with 25,267 companies, followed by India (7,902) and Brazil (7,559). Every specialized agencies list by country and city is linked on this page.

Which city has the most specialized agencies?

London leads with 2203 company records, followed by Sao Paulo (1891) and New York (1603).

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 217,284 professional contacts with verified work emails tracked across these 125,792 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.