Company lists · Data refreshed November 2026

Top 25 Interactive engagement agencies worldwide

Name: Interactive engagement agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 73,824 companies tracked

RevenueBase identified 73,824 company matches for interactive engagement agencies worldwide as of November 2026 and tracks 887,960 professional contacts across them, including 209,401 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for interactive engagement 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 interactive engagement 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

73,824Companies

887,960Contacts tracked

209,401Verified emails

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The 25 largest interactive engagement agencies worldwide

Ranked by team size

Top 25 of 73,824 company matches for interactive engagement 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	VML	Exact match	New York, United StatesHQ recorded Nov 6, 2026	10001+	15,708 contacts →
	Exact match “VML is a global creative company that combines brand experience, customer experience, and commerce to create connected brands that drive growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	QUAD	Exact match	Sussex, WI, United StatesHQ recorded Nov 6, 2026	10001+	9,249 contacts →
	Exact match “Quad (NYSE: QUAD) is a global marketing experience company that helps brands make direct consumer connections, from household to in-store to online.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Clinic	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	7,965 contacts →
	Exact match “Clinic is an independent creative agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	LEO Burnett	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,785 contacts →
	Exact match “Leo Burnett is a communications agency powered by its HumanKind operating system, with the belief that creativity, data and technology work together to transform human behavior…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Starcom	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	5,745 contacts →
	Exact match “With a history that dates back over 80 years, Starcom is a global communications planning and media leader.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	PHD	Exact match	Bankside, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	4,197 contacts →
	Exact match “Welcome to PHD.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	IO	Exact match	Herentals, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	3,790 contacts →
	Exact match “iO is an AI-native partner in marketing and technology, with experts across 12 campuses in Belgium, the Netherlands, Sweden, Denmark and Bulgaria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Mosaic North America	Exact match	Toronto, ON, CanadaHQ recorded Nov 6, 2026	5,001-10,000	3,127 contacts →
	Exact match “At Mosaic, we change the way people experience brands and make moments that stick.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Cheil Worldwide	Exact match	Seoul, South KoreaHQ recorded Nov 6, 2026	5,001-10,000	2,976 contacts →
	Exact match “Cheil is a global network of marketing partners committed to the business mission of 'Creating Connected Experiences That Matter,' powered by a network of over experts working…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	HAVAS	Exact match	Puteaux, FranceHQ recorded Nov 6, 2026	10001+	2,945 contacts →
	Exact match “Founded in 1835 in Paris, Havas is one of the world’s largest global communications groups, with nearly people in over 100 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Mccann	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	10001+	2,939 contacts →
	Exact match “We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Digitas North America	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,860 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
13	Publicis	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,785 contacts →
	Exact match “You can either adapt to change, ignore it or lead it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Assembly Global	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,398 contacts →
	Exact match “Assembly is a global omnichannel agency built for brands that want a more modern approach to building brands that perform.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Iprospect	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	2,360 contacts →
	Exact match “iProspect, a dentsu company, is a leading global digital-first media agency.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	CARAT	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	2,313 contacts →
	Exact match “Carat is the world’s first media agency and is privileged to work with some of today’s most storied and innovative brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Residencia	Exact match	MexicoHQ recorded Nov 6, 2026	n/a	2,288 contacts →
	Exact match “Somos investigadores, antropólogos, estrategas, creativos, diseñadores, animadores, productores, programadores, tecnólogos, creadores de contenido, socios de negocio, pero…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Marketing Werks	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	n/a	2,265 contacts →
	Exact match “Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Jellyfish	Exact match	London, JapanHQ recorded Nov 6, 2026	1,001-5,000	2,130 contacts →
	Exact match “Jellyfish \| Move Faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Marketizon	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	1,989 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
21	GOVT	Exact match	SingaporeHQ recorded Nov 6, 2026	n/a	1,978 contacts →
	Exact match “GOVT is an independent creative agency from Singapore that believes in creating advertising that doesn't feel like advertising, and that it can disrupt the industry with human…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Razorfish	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,912 contacts →
	Exact match “Hi there!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	We ARE Social	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,872 contacts →
	Exact match “We are a global socially-led creative agency, with unrivaled social media expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	TMS	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,858 contacts →
	Exact match “tms unites technology and marketing and sourcing to drive transformational change for the world’s leading brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Anónimo	Exact match	Granada, MexicoHQ recorded Nov 6, 2026	n/a	1,823 contacts →
	Exact match “Tal vez algunos nos conozcan por la terraza donde muchos han venido a chelear con nosotros algún jueves.” Recorded in the RevenueBase company graph · Nov 6, 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 “interactive engagement 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 73,824 interactive engagement agencies worldwide

See the full list, filter by size, metro and specialty, and access 209,401 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interactive engagement agencies worldwide at a glance

As of Nov 6, 2026

23.6%Verified-email coverage

12.0Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

45,638

11-50

22,855

51-200

4,046

201-500

714

501-1,000

196

1,001-5,000

172

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 interactive engagement agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “interactive engagement 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 209,401 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.

Interactive engagement agencies by location

346 lists · largest first

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

How many interactive engagement agencies are there worldwide?

RevenueBase identified 73,824 company matches for interactive engagement 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?

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

Which country has the most interactive engagement agencies?

The United States leads with 11,267 companies, followed by India (5,814) and Brazil (4,638). Every interactive engagement agencies list by country and city is linked on this page.

Which city has the most interactive engagement agencies?

London leads with 2060 company records, followed by Sao Paulo (1411) and New York (1278).

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 209,401 professional contacts with verified work emails tracked across these 73,824 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.