Company lists · Data refreshed September 2026

Top 25 Sales engagement software developers worldwide

RevenueBase identified 1,800 sales engagement software developers worldwide as of September 2026 and tracks 22,949 professional contacts across them, including 6,605 with verified work emails. The United States is the largest market and London the largest hub.

This list covers sales engagement software developers 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 29, 2026. Country and city lists for sales engagement software developers 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 29, 2026 86% judged on-target in blind review
1,800Companies
22,949Contacts tracked
6,605Verified emails
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The 25 largest sales engagement software developers worldwide

Ranked by team size
Top 25 of 1,800 sales engagement software developers worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to sales engagement software developers: 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
1Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 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 Sep 29, 2026
2Partial evidenceMiami, FL, United StatesHQ checked Sep 29, 2026201-5001,068 contacts →

Partial 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 Sep 29, 2026
3Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 2026501-1,000863 contacts →

Partial 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 Sep 29, 2026
4Strong evidenceSaskatoon, SK, CanadaHQ checked Sep 29, 2026501-1,000771 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 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 Sep 29, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 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 Sep 29, 2026
7Partial evidenceDublin, CA, United StatesHQ checked Sep 29, 20261,001-5,000357 contacts →

Partial evidence

“CallidusCloud is now SAP Sales Cloud, part of the SAP Customer Experience division of SAP.”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026201-500332 contacts →

Partial 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 Sep 29, 2026
9Indirect evidenceCalifornia, United StatesHQ checked Sep 29, 2026201-500285 contacts →

Indirect evidence

“Yalo es una plataforma de ventas inteligente impulsada por Agentes Inteligentes.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceWaltham, MA, United StatesHQ checked Sep 29, 2026201-500249 contacts →

Indirect evidence

“Bigtincan is now officially part of Showpad.”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026201-500232 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceSan Francisco, United StatesHQ checked Sep 29, 202651-200218 contacts →

Indirect evidence

“Artisan builds AI employees.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceNew York, NY, United StatesHQ checked Sep 29, 202651-200215 contacts →

Indirect evidence

“Outbound is broken when it’s built only on volume.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceSan Bernardino, CA, United StatesHQ checked Sep 29, 202651-200205 contacts →

Indirect evidence

“WorkSpan is the #1 co-sell management network that empowers companies to turbocharge and scale their co-sell revenue growth.”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceLondon, United KingdomHQ checked Sep 29, 202651-200205 contacts →

Partial evidence

“EngageTech is the leading sales development partner for complex B2B technology companies operating in multi-stakeholder, enterprise sales environments.”

Source: RevenueBase Database · checked Sep 29, 2026
16Strong evidenceFlorianópolis, BrazilHQ checked Sep 29, 2026201-500180 contacts →

Strong evidence

“Exact Sales por RD Station é a maior empresa de Sales Engagement da América Latina, com mais de usuários que confiam em seu software, o Exact Spotter.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceRotterdam, NetherlandsHQ checked Sep 29, 2026201-500171 contacts →

Indirect evidence

“Bij JEX ontwikkelen we een salesplatform dat B2B-bedrijven helpt om structureel nieuwe klanten te realiseren.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidencePalo Alto, CA, United StatesHQ checked Sep 29, 202651-200164 contacts →

Partial evidence

“GetAccept is the #1 AI Digital Sales Room helping you to run every deal like your best sales rep.”

Source: RevenueBase Database · checked Sep 29, 2026
19Strong evidenceAhmedabad, IndiaHQ checked Sep 29, 202651-200149 contacts →

Strong evidence

“Saleshandy is a sales engagement platform that enables sales teams to scale their email outreach operations seamlessly.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidencePalo Alto, CA, United StatesHQ checked Sep 29, 202651-200139 contacts →

Indirect evidence

“Launching AI Adaptive Roleplays - Build Cold Call Mastery with AI Roleplays That Create Continuous Training Pathways After every calling session, AI spots new skill gaps and…”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceLewes, DE, United KingdomHQ checked Sep 29, 202651-200138 contacts →

Partial evidence

“B2B Rocket, a Blackpearl Group company (NZE: BPG, publicly traded), is on a mission to empower 1M+ businesses worldwide with AI-powered sales automation.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceMelbourne, FL, United StatesHQ checked Sep 29, 202651-200136 contacts →

Partial evidence

“WHO WE ARE Accent is a cloud-based sales enablement company helping customers sharpen sales execution and improve win rates.”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceNewton, MA, United StatesHQ checked Sep 29, 202651-200127 contacts →

Partial evidence

“Selling.com is a pipeline generation platform that enables sales teams to execute and scale their outbound growth through accurate sales intelligence, sales outreach, and AI…”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 29, 202651-200122 contacts →

Indirect evidence

“Most B2B pipeline problems aren't a volume problem.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceMumbai, IndiaHQ checked Sep 29, 202651-200120 contacts →

Partial evidence

“Sharpsell is an AI-Native Sales Execution System for large distributed frontline teams, built to take selling from lead to close.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 1,800 sales engagement software developers worldwide

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Sales engagement software developers worldwide at a glance

As of Sep 29, 2026
28.8%Verified-email coverage
12.7Average contacts per company
1-10Median size (employees)
3.6%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,127
11-50
514
51-200
116
201-500
25
501-1,000
10
1,001-5,000
5
10001+
1

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 sales engagement software developers, 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 sales engagement software developers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “sales engagement software developers”. 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 software developers), 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 software developers, 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, 6,605 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 29, 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 software developers by location

10 lists · largest first

Every Sales engagement software 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 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 software developers, 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 software developers are there worldwide?

RevenueBase identified 1,800 sales engagement software developers 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?

6sense, headquartered in San Francisco, tops this list with the largest team on record.

Which country has the most sales engagement software developers?

The United States leads with 584 companies, followed by India (119) and the United Kingdom (113). Every sales engagement software developers list by country and city is linked on this page.

Which city has the most sales engagement software developers?

London leads with 65 headquartered companies, followed by San Francisco (61) and New York (39).

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 6,605 verified decision-maker contacts tracked across these 1,800 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 29, 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.