Company lists · Data refreshed September 2026

Top 25 Engagement platforms worldwide

Name: Engagement platforms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 24,437 companies tracked

RevenueBase identified 24,437 engagement platforms worldwide as of September 2026 and tracks 566,259 professional contacts across them, including 181,870 with verified work emails. The United States is the largest market and London the largest hub.

This list covers engagement platforms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026. Country and city lists for engagement platforms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

24,437Companies

566,259Contacts tracked

181,870Verified emails

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The 25 largest engagement platforms worldwide

Ranked by team size

Top 25 of 24,437 engagement platforms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to engagement platforms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	META	Indirect evidence	Menlo Park, CA, United StatesHQ checked Sep 28, 2026	10001+	107,733 contacts →
	Indirect evidence “Meta's mission is to build the future of human connection and the technology that makes it possible.” Source: RevenueBase Database · checked Sep 28, 2026
2	Facebook	Indirect evidence	United StatesHQ checked Sep 28, 2026	10001+	63,111 contacts →
	Indirect evidence “The Facebook company is now Meta.” Source: RevenueBase Database · checked Sep 28, 2026
3	Hubspot	Partial evidence	Cambridge, MA, United StatesHQ checked Sep 28, 2026	5,001-10,000	11,077 contacts →
	Partial evidence “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Source: RevenueBase Database · checked Sep 28, 2026
4	NICE	Indirect evidence	Hoboken, NJ, United StatesHQ checked Sep 28, 2026	5,001-10,000	10,721 contacts →
	Indirect evidence “NiCE is transforming the world with AI that puts people first.” Source: RevenueBase Database · checked Sep 28, 2026
5	Twilio	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	5,001-10,000	6,047 contacts →
	Strong evidence “Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.” Source: RevenueBase Database · checked Sep 28, 2026
6	Roblox	Indirect evidence	San Mateo, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	5,532 contacts →
	Indirect evidence “Roblox's vision is to reimagine the way people come together.” Source: RevenueBase Database · checked Sep 28, 2026
7	Sprinklr	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	4,513 contacts →
	Partial evidence “Sprinklr is the definitive, AI-native platform for Unified Customer Experience Management (Unified-CXM), empowering brands to deliver extraordinary experiences at scale, across…” Source: RevenueBase Database · checked Sep 28, 2026
8	Clickbank	Indirect evidence	Boise, ID, United StatesHQ checked Sep 28, 2026	n/a	3,516 contacts →
	Indirect evidence “We're Hiring!” Source: RevenueBase Database · checked Sep 28, 2026
9	Infobip	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1,001-5,000	3,309 contacts →
	Partial evidence “Infobip is a global leader in omnichannel engagement powering a broad range of messaging channels, tools and solutions for advanced customer engagement, authentication and…” Source: RevenueBase Database · checked Sep 28, 2026
10	SINCH	Indirect evidence	Stockholm, SwedenHQ checked Sep 28, 2026	1,001-5,000	2,934 contacts →
	Indirect evidence “Sinch’s vision is to connect every business with every customer, everywhere in the world.” Source: RevenueBase Database · checked Sep 28, 2026
11	Klaviyo	Indirect evidence	Boston, MA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,789 contacts →
	Indirect evidence “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Source: RevenueBase Database · checked Sep 28, 2026
12	Zeta Global	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,595 contacts →
	Indirect evidence “At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.” Source: RevenueBase Database · checked Sep 28, 2026
13	ALLOS	Indirect evidence	Rio De Janeiro, BrazilHQ checked Sep 28, 2026	1,001-5,000	2,324 contacts →
	Indirect evidence “A ALLOS é a plataforma mais inovadora de entretenimento, lifestyle, serviços e compras.” Source: RevenueBase Database · checked Sep 28, 2026
14	Marketing Werks	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	n/a	2,182 contacts →
	Partial evidence “Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.” Source: RevenueBase Database · checked Sep 28, 2026
15	BRAZE	Strong evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,142 contacts →
	Strong evidence “Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…” Source: RevenueBase Database · checked Sep 28, 2026
16	Medallia	Partial evidence	Mclean, VA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,006 contacts →
	Partial evidence “Medallia is the enterprise experience platform that turns every signal into decisive action.” Source: RevenueBase Database · checked Sep 28, 2026
17	Taboola	Indirect evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,979 contacts →
	Indirect evidence “Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale.” Source: RevenueBase Database · checked Sep 28, 2026
18	Actionline	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 28, 2026	1,001-5,000	1,921 contacts →
	Indirect evidence “Actionline is dedicated to connecting brands with their customers, strengthening their presence and value at every touchpoint.” Source: RevenueBase Database · checked Sep 28, 2026
19	BI Worldwide	Partial evidence	Minneapolis, MN, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,905 contacts →
	Partial evidence “BI WORLDWIDE is a global engagement agency that uses the principles of behavioral economics to produce measurable business results by designing and delivering solutions that…” Source: RevenueBase Database · checked Sep 28, 2026
20	impact.com	Partial evidence	Santa Barbara, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,861 contacts →
	Partial evidence “impact.com, the world’s leading partnership management platform, is transforming the way businesses manage and optimize all types of partnerships-including traditional rewards…” Source: RevenueBase Database · checked Sep 28, 2026
21	TEADS	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,789 contacts →
	Partial evidence “Teads Holding Co.(“Teads”)(Nasdaq: TEAD) is a leading omnichannel advertising platform focused on driving outcomes for brand and performance advertisers across screens.” Source: RevenueBase Database · checked Sep 28, 2026
22	Sitecore	Indirect evidence	Manchester, NH, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,727 contacts →
	Indirect evidence “Sitecore creates digital experiences so powerful they connect the world.” Source: RevenueBase Database · checked Sep 28, 2026
23	Nextiva	Partial evidence	Scottsdale, AZ, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,638 contacts →
	Partial evidence “Build amazing customer experiences with Nextiva’s AI-powered platform.” Source: RevenueBase Database · checked Sep 28, 2026
24	Stackadapt	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 28, 2026	1,001-5,000	1,633 contacts →
	Indirect evidence “StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.” Source: RevenueBase Database · checked Sep 28, 2026
25	Hootsuite	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 28, 2026	1,001-5,000	1,625 contacts →
	Indirect evidence “Too many brands suck at social.” Source: RevenueBase Database · checked Sep 28, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: engagement platforms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names engagement platforms.
Partial evidence: Its own public description names part of engagement platforms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name engagement platforms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 24,437 engagement platforms worldwide

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Engagement platforms worldwide at a glance

As of Sep 28, 2026

32.1%Verified-email coverage

23.2Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

14,209

11-50

7,681

51-200

1,771

201-500

446

501-1,000

134

1,001-5,000

110

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among engagement platforms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for engagement platforms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “engagement platforms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names engagement platforms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among engagement platforms, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 181,870 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Engagement platforms by location

145 lists · largest first

Every Engagement platforms 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names engagement platforms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many engagement platforms are there worldwide?

RevenueBase identified 24,437 engagement platforms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

META, headquartered in Menlo Park, tops this list with the largest team on record.

Which country has the most engagement platforms?

The United States leads with 5,888 companies, followed by India (2,011) and the United Kingdom (1,532). Every engagement platforms list by country and city is linked on this page.

Which city has the most engagement platforms?

London leads with 828 headquartered companies, followed by New York (624) and San Francisco (366).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 181,870 verified decision-maker contacts tracked across these 24,437 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.