Company lists · Data refreshed August 2026

Top 25 Sales engagement platforms worldwide

RevenueBase identified 2,094 sales engagement platforms worldwide as of August 2026 and tracks 54,672 professional contacts across them, including 21,662 with verified work emails and 28 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers sales 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 August 29, 2026. Country and city lists for sales 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 Aug 29, 2026 86% judged on-target in blind review
2,094Companies
54,672Contacts tracked
21,662Verified emails
28Mobile numbers
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The 25 largest sales engagement platforms worldwide

Ranked by team size
Top 25 of 2,094 sales engagement platforms worldwide, ranked by team size, largest first. Data refreshed Aug 29, 2026. RevenueBase Smart Search rates how each company's information relates to sales 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceCambridge, MA, United StatesHQ checked Aug 29, 20265,001-10,00011,077 contacts →

Partial evidence

“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.”

Source: RevenueBase Database · checked Aug 29, 2026
2Indirect evidenceBoston, MA, United StatesHQ checked Aug 29, 20261,001-5,0002,789 contacts →

Indirect evidence

“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.”

Source: RevenueBase Database · checked Aug 29, 2026
3Indirect evidenceNoida, IndiaHQ checked Aug 29, 20265,001-10,0002,270 contacts →

Indirect evidence

“We are revenue AI-X-lerators.”

Source: RevenueBase Database · checked Aug 29, 2026
4Indirect evidenceSan Francisco, CA, United StatesHQ checked Aug 29, 20261,001-5,0001,443 contacts →

Indirect evidence

“6sense is on a mission to revolutionize the way B2B organizations create revenue by predicting customers most likely to buy and recommending the best course of action to engage…”

Source: RevenueBase Database · checked Aug 29, 2026
5Strong evidenceBengaluru, IndiaHQ checked Aug 29, 2026501-1,0001,307 contacts →

Strong evidence

“LeadSquared is an AI-powered platform that unites sales, marketing, field, and service teams to automate workflows and drive outcomes at scale.”

Source: RevenueBase Database · checked Aug 29, 2026
6Indirect evidenceSan Diego, CA, United StatesHQ checked Aug 29, 20261,001-5,0001,256 contacts →

Indirect evidence

“Seismic is the global leader in enablement, helping organizations engage customers, enable teams, and ignite revenue growth.”

Source: RevenueBase Database · checked Aug 29, 2026
7Indirect evidenceMiami, FL, United StatesHQ checked Aug 29, 2026201-5001,068 contacts →

Indirect evidence

“CIENCE Technologies, Inc, founded in 2015 and headquartered in Denver, CO, is a pioneering global company in lead generation software and services, committed to transforming the…”

Source: RevenueBase Database · checked Aug 29, 2026
8Partial evidenceNew York, NY, United StatesHQ checked Aug 29, 2026501-1,000970 contacts →

Partial evidence

“Founded in 2010, Pipedrive is an easy and effective sales CRM that drives small business growth.”

Source: RevenueBase Database · checked Aug 29, 2026
9Indirect evidenceSeattle, WA, United StatesHQ checked Aug 29, 2026501-1,000936 contacts →

Indirect evidence

“Highspot helps companies around the world turn go-to-market strategy into consistent, revenue-driving execution.”

Source: RevenueBase Database · checked Aug 29, 2026
10Strong evidenceSan Francisco, CA, United StatesHQ checked Aug 29, 2026501-1,000863 contacts →

Strong evidence

“Apollo.io is the AI-powered end-to-end go-to-market platform that empowers sales, marketing, and revenue teams to find prospects, engage customers, and close deals with…”

Source: RevenueBase Database · checked Aug 29, 2026
11Partial evidenceSaskatoon, SK, CanadaHQ checked Aug 29, 2026501-1,000771 contacts →

Partial evidence

“Vendasta is the leading AI software company for customer acquisition and engagement, helping businesses get more customers.”

Source: RevenueBase Database · checked Aug 29, 2026
12Indirect evidenceSan Francisco, CA, United StatesHQ checked Aug 29, 2026501-1,000622 contacts →

Indirect evidence

“ON24, a Cvent company, is on a mission to help businesses bring their go-to-market strategy into the AI era and drive cost-effective revenue growth.”

Source: RevenueBase Database · checked Aug 29, 2026
13Indirect evidenceDenver, CO, United StatesHQ checked Aug 29, 2026501-1,000576 contacts →

Indirect evidence

“SugarAI: the CRM that actually helps sellers sell.”

Source: RevenueBase Database · checked Aug 29, 2026
14Strong evidenceSan Jose, CA, United StatesHQ checked Aug 29, 20261,001-5,000572 contacts →

Strong evidence

“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.”

Source: RevenueBase Database · checked Aug 29, 2026
15Indirect evidenceAustin, United StatesHQ checked Aug 29, 2026201-500492 contacts →

Indirect evidence

“Most brands are still treating social like a billboard.”

Source: RevenueBase Database · checked Aug 29, 2026
16Partial evidenceSan Jose, CA, United StatesHQ checked Aug 29, 2026201-500482 contacts →

Partial evidence

“InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.”

Source: RevenueBase Database · checked Aug 29, 2026
17Indirect evidenceSunnyvale, CA, United StatesHQ checked Aug 29, 202651-200480 contacts →

Indirect evidence

“At SMARTe, we understand the challenges faced by revenue-generating teams.”

Source: RevenueBase Database · checked Aug 29, 2026
18Partial evidenceWest Hollywood, CA, United StatesHQ checked Aug 29, 2026201-500368 contacts →

Partial evidence

“Invoca is the revenue execution and platform leader that helps marketing, commerce, and contact center teams turn every conversation into revenue.”

Source: RevenueBase Database · checked Aug 29, 2026
19Indirect evidenceLondon, United KingdomHQ checked Aug 29, 2026n/a358 contacts →

Indirect evidence

“At Algominds, we build AI agents that find you customers who already want to buy.”

Source: RevenueBase Database · checked Aug 29, 2026
20Strong evidenceAtlanta, GA, United StatesHQ checked Aug 29, 2026201-500332 contacts →

Strong evidence

“CallRail is the lead engagement platform that makes it easy for businesses to attract more leads, convert more customers, and optimize their marketing.”

Source: RevenueBase Database · checked Aug 29, 2026
21Indirect evidenceSan Francisco, CA, United StatesHQ checked Aug 29, 202651-200318 contacts →

Indirect evidence

“Nooks is the Agent Workspace for intelligent outbound.”

Source: RevenueBase Database · checked Aug 29, 2026
22Strong evidenceHenderson, NV, United StatesHQ checked Aug 29, 2026n/a260 contacts →

Strong evidence

“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers”

Source: RevenueBase Database · checked Aug 29, 2026
23Indirect evidenceWaltham, MA, United StatesHQ checked Aug 29, 2026201-500249 contacts →

Indirect evidence

“Bigtincan is now officially part of Showpad.”

Source: RevenueBase Database · checked Aug 29, 2026
24Strong evidenceLos Angeles, CA, United StatesHQ checked Aug 29, 2026201-500241 contacts →

Strong evidence

“Convoso is an AI-powered contact center platform built for revenue teams and customer engagement organizations expanding into outbound growth.”

Source: RevenueBase Database · checked Aug 29, 2026
25Partial evidenceChicago, IL, United StatesHQ checked Aug 29, 2026201-500232 contacts →

Partial evidence

“Tacton is a leading SaaS company redefining buyer engagement for manufacturers of complex products.”

Source: RevenueBase Database · checked Aug 29, 2026

Showing 25 of 2,094 sales engagement platforms worldwide

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Sales engagement platforms worldwide at a glance

As of Aug 29, 2026
39.6%Verified-email coverage
0.1%Mobile-number coverage
26.1Average contacts per company
1-10Median size (employees)
5.7%Largest-city concentration · London
Aug 29, 2026Page data refreshed

Companies by employee count

1-10
1,151
11-50
688
51-200
191
201-500
36
501-1,000
13
1,001-5,000
8
5,001-10,000
4
10001+
1

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 sales 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
13 countries, largest first: the United States, India, the United Kingdom, Brazil, Canada, Germany, France, Australia, the Netherlands, Spain and 3 more. Country and city lists for sales engagement platforms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “sales 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 sales 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 sales 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, 21,662 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 between August 29, 2026 and September 14, 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.

Sales engagement platforms by location

20 lists · largest first

Every Sales 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 sales 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 sales engagement platforms are there worldwide?

RevenueBase identified 2,094 sales engagement platforms worldwide as of August 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?

Hubspot, headquartered in Cambridge, tops this list with the largest team on record.

Which country has the most sales engagement platforms?

The United States leads with 1,067 companies, followed by India (230) and the United Kingdom (207). Every sales engagement platforms list by country and city is linked on this page.

Which city has the most sales engagement platforms?

London leads with 120 headquartered companies, followed by San Francisco (112) and New York (73).

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 21,662 verified decision-maker contacts tracked across these 2,094 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between August 29, 2026 and September 14, 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.