Company lists · Data refreshed September 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 Sep 28, 2026 6,666 companies tracked

RevenueBase identified 6,666 company matches for customer engagement platform developers worldwide as of September 2026 and tracks 296,540 professional contacts across them, including 128,483 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 September 28, 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 Sep 28, 2026 How this list was built

6,666Companies

296,540Contacts tracked

128,483Verified emails

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The 25 largest customer engagement platform developers worldwide

Ranked by team size

Top 25 of 6,666 company matches for customer engagement platform developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Salesforce	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	10001+	86,470 contacts →
	Exact match “We're the #1 AI CRM-where humans with agents drive customer success together with AI, data, and Customer 360 apps on one platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Hubspot	Exact match	Cambridge, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	11,077 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 · Sep 28, 2026 · View company records in RevenueBase
3	Intouchcx	Exact match	Winnipeg, MB, CanadaHQ recorded Sep 28, 2026	10001+	8,992 contacts →
	Exact match “We are IntouchCX, where innovation meets industry, where dreamers meet doers, and where scale meets soul.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Freshworks	Exact match	San Mateo, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	7,034 contacts →
	Exact match “Freshworks Inc.(NASDAQ: FRSH) is the AI-powered, unified service operations platform that is fast to deploy, intuitive to use, and enables every employee to be more productive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Twilio	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	6,047 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 · Sep 28, 2026 · View company records in RevenueBase
6	Qualtrics	Exact match	Provo, United StatesHQ recorded Sep 28, 2026	5,001-10,000	5,735 contacts →
	Exact match “Qualtrics is the leader in Experience Management.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Fusion CX	Exact match	Norcross, GA, United StatesHQ recorded Sep 28, 2026	10001+	4,785 contacts →
	Exact match “At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Sprinklr	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,513 contacts →
	Exact match “Sprinklr is the definitive, AI-native platform for Unified Customer Experience Management (Unified-CXM), empowering brands to deliver extraordinary experiences at scale, across…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	SINCH	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	1,001-5,000	2,934 contacts →
	Exact match “Sinch’s vision is to connect every business with every customer, everywhere in the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,789 contacts →
	Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	BRAZE	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,142 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 · Sep 28, 2026 · View company records in RevenueBase
12	Contax S.A	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	10001+	2,114 contacts →
	Exact match “Com uma vontade contagiante de fazer a diferença, a Contax é a única empresa do setor presente em toda a jornada de relacionamento do consumidor, com olhar humano e abordagem…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Medallia	Exact match	Mclean, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,006 contacts →
	Exact match “Medallia is the enterprise experience platform that turns every signal into decisive action.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Quantanite	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,991 contacts →
	Exact match “We believe customers and employees should be looked after, and every interaction is an opportunity for a conversation and to learn more about them.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Actionline	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	1,001-5,000	1,921 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 · Sep 28, 2026 · View company records in RevenueBase
16	Op360 Officepartners360	Exact match	Ridgefield, CT, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,777 contacts →
	Exact match “OP360, part of iQor CXBPO™, is a trusted partner in intelligent customer experience solutions for global brands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Nextiva	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,638 contacts →
	Exact match “Build amazing customer experiences with Nextiva’s AI-powered platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	BRM S.A.S	Exact match	Bogotá, ColombiaHQ recorded Sep 28, 2026	1,001-5,000	1,363 contacts →
	Exact match “Las conexiones más poderosas surgen de interacciones sencillas que marcan la diferencia.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Talkdesk	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,316 contacts →
	Exact match “Talkdesk® is leading a new era in customer experience with Customer Experience Automation (CXA)-a new category and platform designed to automate the full complexity of modern…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Attentive	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,287 contacts →
	Exact match “Attentive® knows personalized customer experiences require both powerful technology and the right people behind it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Unifycx	Exact match	Louisville, KY, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,270 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 · Sep 28, 2026 · View company records in RevenueBase
22	Netcore	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,265 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 · Sep 28, 2026 · View company records in RevenueBase
23	Uranet Projetos E Sistemas	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	5,001-10,000	1,158 contacts →
	Exact match “A Uranet é uma referência no mercado em soluções de relacionamento com o cliente e em projetos que visam vendas de produtos e/ou serviços.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Insider	Exact match	Istanbul, TürkiyeHQ recorded Sep 28, 2026	1,001-5,000	1,036 contacts →
	Exact match “Insider-one platform for individualized, cross-channel experiences-enables enterprise marketers to connect customer data across channels and systems, predict their future behavior…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	TLC Worldwide	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	979 contacts →
	Exact match “TLC Worldwide is a global leader in customer engagement, loyalty, and reward solutions.” Recorded in the RevenueBase company graph · Sep 28, 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 6,666 customer engagement platform developers worldwide

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Customer engagement platform developers worldwide at a glance

As of Sep 28, 2026

43.3%Verified-email coverage

44.5Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,999

11-50

2,400

51-200

851

201-500

220

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 128,483 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 September 28, 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

55 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 6,666 company matches for customer engagement platform developers worldwide as of September 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?

Salesforce 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 1,410 companies, followed by India (629) and Brazil (426). 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 170 company records, followed by Sao Paulo (156) and New York (100).

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 128,483 professional contacts with verified work emails tracked across these 6,666 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 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 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.