Company lists · Data refreshed November 2026

Top 25 Customer engagement platform developers worldwide

Name: Customer engagement platform developers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 5,758 companies tracked

RevenueBase identified 5,758 company matches for customer engagement platform developers worldwide as of November 2026 and tracks 161,186 professional contacts across them, including 59,176 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for customer engagement platform developers 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 5, 2026. Country and city lists for customer engagement platform developers 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 5, 2026 How this list was built

5,758Companies

161,186Contacts tracked

59,176Verified emails

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The 25 largest customer engagement platform developers worldwide

Ranked by team size

Top 25 of 5,758 company matches for customer engagement platform developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Hubspot	Exact match	Cambridge, United StatesHQ recorded Nov 5, 2026	5,001-10,000	11,646 contacts →
	Exact match “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Twilio	Exact match	San Francisco, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,595 contacts →
	Exact match “Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Infobip	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	3,508 contacts →
	Exact match “Infobip is a global leader in omnichannel engagement powering a broad range of messaging channels, tools and solutions for advanced customer engagement, authentication and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	SINCH	Exact match	Stockholm, SwedenHQ recorded Nov 5, 2026	1,001-5,000	3,132 contacts →
	Exact match “Sinch’s vision is to connect every business with every customer, everywhere in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,980 contacts →
	Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	BRAZE	Exact match	New York, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,328 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Actionline	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	1,001-5,000	2,234 contacts →
	Exact match “Actionline is dedicated to connecting brands with their customers, strengthening their presence and value at every touchpoint.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Medallia	Exact match	Mclean, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,106 contacts →
	Exact match “Medallia is the enterprise experience platform that turns every signal into decisive action.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Sitecore	Exact match	Manchester, NH, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,777 contacts →
	Exact match “Sitecore creates digital experiences so powerful they connect the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Nextiva	Exact match	Scottsdale, AZ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,642 contacts →
	Exact match “Build amazing customer experiences with Nextiva’s AI-powered platform.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Unifycx	Exact match	Louisville, United StatesHQ recorded Nov 5, 2026	5,001-10,000	1,639 contacts →
	Exact match “UnifyCX is a future-ready, next-generation customer experience platform that fuses the best of human expertise with advanced AI technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Softmarketing Soluções EM Comunicação	Exact match	Curitiba, BrazilHQ recorded Nov 5, 2026	5,001-10,000	1,400 contacts →
	Exact match “Solucionar, humanizar, conectar e personalizar são o que definem a jornada oferecida pela SoftMarketing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Attentive	Exact match	London, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,384 contacts →
	Exact match “Attentive® knows personalized customer experiences require both powerful technology and the right people behind it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Dialog Direct	Exact match	Highland Park, TX, United StatesHQ recorded Nov 5, 2026	10001+	1,265 contacts →
	Exact match “Dialog Direct helps brands manage and personalize their multichannel, multi-touch customer journeys using data-driven marketing and customer engagement solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	TLC Worldwide	Exact match	London, United KingdomHQ recorded Nov 5, 2026	201-500	1,023 contacts →
	Exact match “TLC Worldwide is a global leader in customer engagement, loyalty, and reward solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Moengage	Exact match	San Francisco, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	962 contacts →
	Exact match “MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Netcore	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	1,001-5,000	928 contacts →
	Exact match “Netcore offers a Comprehensive Customer Engagement & Experience Suite that empowers marketers to create personalised customer experiences.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	BREVO	Exact match	Paris, FranceHQ recorded Nov 5, 2026	501-1,000	889 contacts →
	Exact match “Brevo offers the most intuitive Customer Platform for the sustainable growth of all businesses and organizations (including nonprofits).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Activecampaign	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	867 contacts →
	Exact match “ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Iterable	Exact match	San Francisco, United StatesHQ recorded Nov 5, 2026	501-1,000	836 contacts →
	Exact match “Iterable is the AI customer engagement platform built for enterprise scale, loved by teams, and trusted by global brands like Priceline, Fabletics, Blockchain, and Box.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Zenvia	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	501-1,000	785 contacts →
	Exact match “Proporcione experiências pessoais, envolventes e fluidas com o poder de Zenvia Customer Cloud, nossa IA completa que revolucionará a jornada dos seus clientes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Applovin	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 5, 2026	201-500	777 contacts →
	Exact match “AppLovin helps businesses of any size reach over a billion people who play mobile games every day.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Vendasta	Exact match	Saskatoon, SK, CanadaHQ recorded Nov 5, 2026	501-1,000	765 contacts →
	Exact match “Vendasta is the leading AI software company for customer acquisition and engagement, helping businesses get more customers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	SAP Customer Experience	Exact match	Walldorf, GermanyHQ recorded Nov 5, 2026	10001+	735 contacts →
	Exact match “SAP Customer Experience (SAP CX) and CRM solutions; the agentic solution for marketing, commerce, sales, and service, and the operations behind them.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Elad Software Systems	Exact match	Tel Aviv, IsraelHQ recorded Nov 5, 2026	501-1,000	731 contacts →
	Exact match “Elad is Israel’s Preeminent Software Solutions Provider of Customer Engagement Platforms, Digital Transformation Projects, Tools for Workplace Modernization and Professional…” Recorded in the RevenueBase company graph · Nov 5, 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 “customer engagement platform developers”. 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 5,758 customer engagement platform developers worldwide

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Customer engagement platform developers worldwide at a glance

As of Nov 5, 2026

36.7%Verified-email coverage

28.0Average contacts per company

11-50Median size (employees)

3.2%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,706

11-50

2,036

51-200

695

201-500

185

501-1,000

1,001-5,000

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 customer engagement platform developers are linked below.
What qualifies: Company records worldwide whose business descriptions match “customer engagement platform developers” 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 59,176 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 5, 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.

Customer engagement platform developers by location

52 lists · largest first

Every Customer engagement platform developers 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 “customer engagement platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer engagement platform developers are there worldwide?

RevenueBase identified 5,758 company matches for customer engagement platform developers 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?

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

Which country has the most customer engagement platform developers?

The United States leads with 1,352 companies, followed by India (542) and the United Kingdom (344). Every customer engagement platform developers list by country and city is linked on this page.

Which city has the most customer engagement platform developers?

London leads with 182 company records, followed by New York (110) and Sao Paulo (101).

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 59,176 professional contacts with verified work emails tracked across these 5,758 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 5, 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.