Company lists · Data refreshed November 2026

Top 25 Member communications and engagement services worldwide

RevenueBase identified 2,542 company matches for member communications and engagement services worldwide as of November 2026 and tracks 22,167 professional contacts across them, including 5,903 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for member communications and engagement services 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 member communications and engagement services 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
2,542Companies
22,167Contacts tracked
5,903Verified emails
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The 25 largest member communications and engagement services worldwide

Ranked by team size
Top 25 of 2,542 company matches for member communications and engagement services 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 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
2Exact matchAldgate, United KingdomHQ recorded Nov 6, 2026201-500445 contacts →

Exact match

“Emperor is one of the UK's leading employee-owned creative communications agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew Berlin, CT, United StatesHQ recorded Nov 6, 2026201-500293 contacts →

Exact match

“LPi helps communities build engagement and communication by providing print and digital tools such as ad-supported publications, websites, art and content, and branding and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWürzburg, GermanyHQ recorded Nov 6, 2026501-1,000285 contacts →

Exact match

“Vogel Communications Group (VCG) ist mit 920 Mitarbeiter:innen und rund 120 Mio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchColchester, United KingdomHQ recorded Nov 6, 2026201-500231 contacts →

Exact match

“Since 1989, GFM clearcomms has been creating connections for our clients that deliver tangible results for their businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMahwah, NJ, United StatesHQ recorded Nov 6, 2026501-1,000213 contacts →

Exact match

“Propel Health: an independent network of agencies creating exponentially meaningful brand experiences and relationships.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGuayaquil, EcuadorHQ recorded Nov 6, 202651-200213 contacts →

Exact match

“60 años desarrollando Ideas con las cuales la gente quiera pasar más tiempo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchChagrin Falls, United StatesHQ recorded Nov 6, 2026n/a208 contacts →

Exact match

“At Boom, we develop cross-media strategic marketing and public relations for our clients that convince their target audience to solicit their business, attend their event or…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchYork, PA, United StatesHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“The YGS Group is a 360° communications partner delivering integrated solutions for every need.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFranceHQ recorded Nov 6, 202610001+177 contacts →

Exact match

“Hallo iedereen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 6, 202651-200174 contacts →

Exact match

“Nous sommes une « blended agency » de plus de 120 talents venus de différents horizons, qui combine étroitement compétences éditoriales, créatives et techniques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHessle, United KingdomHQ recorded Nov 6, 2026n/a163 contacts →

Exact match

“H&H - The UK’s leading Internal Communications and Employee Engagement agency Every day we throw our collective energy, knowledge and creativity into improving the way people…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSilver Spring, IL, United StatesHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“We partner with organizations to live their brand; to make the most of their brand's strength and move the hearts and minds of the people who matter most to them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTallahassee, FL, United StatesHQ recorded Nov 6, 202651-200148 contacts →

Exact match

“The Zimmerman Agency is a hyper-integrated marketing communications company providing a significant depth of services including strategic planning, creative + media development…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“Redactive is a London-based content and publishing agency that focuses on the core professional body membership sector and has unrivalled experience in this field.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“Citypress is one of the UK’s leading communications agencies and we’re proud to represent some of the country’s biggest and best-loved brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchModena, ItalyHQ recorded Nov 6, 2026201-500138 contacts →

Exact match

“Mediagroup98 è un’industria della comunicazione e degli eventi: ci occupiamo di comunicazione integrata d’impresa, web communication, progettazione e realizzazione di eventi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,000128 contacts →

Exact match

“mci group is a human-first, global marketing communications collective.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchVerona, ItalyHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“DIALOGO Italia con sede a Verona è da oltre 15 anni specializzata nella consulenza strategica e nello sviluppo e la realizzazione di attività di marketing e comunicazione.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSantiago, ChileHQ recorded Nov 6, 202611-50117 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
21Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“We help category-defining brands make their mark through hard-working, creative campaigns that change perceptions and spark action.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Nov 6, 202611-50104 contacts →

Exact match

“Sagarmatha est l'agence qui place l'humain au cœur des stratégies de communication interne et évènementielle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“Agence indépendante, Publicorp invente de nouvelles manières de s'adresser à vos "clients rois" avec Catch a King, notre approche "stratégies 100% utiles".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“rbb is a leading integrated communications agency that champions breakout brands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“We’re an award-winning creative communications, marketing and events agency working with organizations globally to bring messages to life and inspire meaningful change.”

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

Showing 25 of 2,542 member communications and engagement services worldwide

See the full list, filter by size, metro and specialty, and access 5,903 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Member communications and engagement services worldwide at a glance

As of Nov 6, 2026
26.6%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,883
11-50
538
51-200
89
201-500
12
501-1,000
3
1,001-5,000
5
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 member communications and engagement services are linked below.
What qualifies
Company records worldwide whose business descriptions match “member communications and engagement services” 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 5,903 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.

Member communications and engagement services by location

20 lists · largest first

Every Member communications and engagement services 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 “member communications and engagement services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many member communications and engagement services are there worldwide?

RevenueBase identified 2,542 company matches for member communications and engagement services 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?

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

Which country has the most member communications and engagement services?

The United States leads with 597 companies, followed by the United Kingdom (185) and Brazil (183). Every member communications and engagement services list by country and city is linked on this page.

Which city has the most member communications and engagement services?

London leads with 62 company records, followed by Sao Paulo (59) and New York (37).

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 5,903 professional contacts with verified work emails tracked across these 2,542 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.