Company lists · Data refreshed November 2026

Top 25 Ipo communications agencies worldwide

RevenueBase identified 2,682 company matches for ipo communications agencies worldwide as of November 2026 and tracks 41,848 professional contacts across them, including 10,911 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for ipo communications 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 ipo communications 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
2,682Companies
41,848Contacts tracked
10,911Verified emails
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The 25 largest ipo communications agencies worldwide

Ranked by team size
Top 25 of 2,682 company matches for ipo communications 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 matchDallas, TX, United StatesHQ recorded Nov 6, 2026n/a5,525 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,056 contacts →

Exact match

“Adfactors PR, founded in 1997, is India's largest Public Relations firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026501-1,0001,387 contacts →

Exact match

“FSB Comunicações is an Integrated Communications agency focused on results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000930 contacts →

Exact match

“Zeno Group is the fiercely independent and global, integrated communications agency, born from PR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNew York, United StatesHQ recorded Nov 6, 2026201-500592 contacts →

Exact match

“Prosek Partners builds – and protects – the top brands in business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNew Delhi, IndiaHQ recorded Nov 6, 2026201-500488 contacts →

Exact match

“About Avian We.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKyiv, UkraineHQ recorded Nov 6, 2026n/a415 contacts →

Exact match

“СFC Big Ideas is a communications agency specializing in international projects, government relations & PR.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200403 contacts →

Exact match

“MWW is one of the world’s leading independent, integrated PR agencies with offices across the US and UK, and a global network of partners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBerlin, GermanyHQ recorded Nov 6, 2026201-500341 contacts →

Exact match

“Zum goldenen Hirschen is the seventh biggest independent agency in Germany with around 380 employees and over 80 customers at 7 locations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOkhla, IndiaHQ recorded Nov 6, 2026201-500307 contacts →

Exact match

“Value 360 Communications is India’s first PR Company with a focussed approach for early stage business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“Concept has been ranked the No.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“Ideal Axicom brings together a team of over 200 communications experts in Brazil to partner with companies focused on disruption – from early-stage startups to top companies…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLondon, United StatesHQ recorded Nov 6, 2026201-500240 contacts →

Exact match

“Edelman Smithfield is a financial communications boutique that specializes in the financial markets and special situations, serving clients in the United States, Canada, EMEA…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDelhi, IndiaHQ recorded Nov 6, 202651-200234 contacts →

Exact match

“An integrated communications agency, Kaizzen, has won the top spot as one of the fastest growing PR Agency globally for the last 4 years, as per the PRovoke Global PR Agency…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200230 contacts →

Exact match

“G&S Business Communications is an independent B2B and B2B2C communications agency with over 55 years of experience helping organizations navigate complexity and build momentum.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-200228 contacts →

Exact match

“A nova/sb é uma agência de publicidade que atende, planeja, cria e implementa ações de comunicação, mas faz tudo isso de forma diferente: faz comunicação sintonizada com as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCuritiba, BrazilHQ recorded Nov 6, 2026201-500223 contacts →

Exact match

“Somos a primeira agência de Comunicação Integrada do estado.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, United StatesHQ recorded Nov 6, 20261,001-5,000221 contacts →

Exact match

“Cohn & Wolfe, a global communications agency, builds brands and corporate reputations through an uncompromising commitment to creativity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Nov 6, 202651-200205 contacts →

Exact match

“evercom is a creative communications and marketing agency that, founded in 1996, is one of the first independent creative communications and marketing agencies in the Spanish…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200188 contacts →

Exact match

“Helping organisations build and protect value in complex and contested environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202651-200185 contacts →

Exact match

“Centro de Medicina”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Nov 6, 202651-200179 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
23Exact matchSan Francisco, MA, United StatesHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“A strategic communications agency, Inkhouse partners with innovators who are creating new markets or disrupting old ones-crafting stories and meeting audiences where they are.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 6, 202651-200137 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
25Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-200135 contacts →

Exact match

“Although Achtung!”

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

Showing 25 of 2,682 ipo communications agencies worldwide

See the full list, filter by size, metro and specialty, and access 10,911 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ipo communications agencies worldwide at a glance

As of Nov 6, 2026
26.1%Verified-email coverage
15.6Average contacts per company
1-10Median size (employees)
3.7%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,781
11-50
736
51-200
120
201-500
25
501-1,000
5
1,001-5,000
7
10001+
1

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 ipo communications agencies are linked below.
What qualifies
Company records worldwide whose business descriptions match “ipo communications 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 10,911 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.

Ipo communications agencies by location

23 lists · largest first

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

How many ipo communications agencies are there worldwide?

RevenueBase identified 2,682 company matches for ipo communications 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?

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

Which country has the most ipo communications agencies?

The United States leads with 697 companies, followed by the United Kingdom (177) and Brazil (132). Every ipo communications agencies list by country and city is linked on this page.

Which city has the most ipo communications agencies?

New York leads with 100 company records, followed by London (94) and Paris (47).

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 10,911 professional contacts with verified work emails tracked across these 2,682 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.