Company lists · Data refreshed September 2026

Top 25 Lead generation software developers worldwide

RevenueBase identified 8,864 lead generation software developers worldwide as of September 2026 and tracks 73,553 professional contacts across them, including 18,817 with verified work emails. The United States is the largest market and London the largest hub.

This list covers lead generation 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 28, 2026. Country and city lists for lead generation 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 28, 2026 86% judged on-target in blind review
8,864Companies
73,553Contacts tracked
18,817Verified emails
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The 25 largest lead generation software developers worldwide

Ranked by team size
Top 25 of 8,864 lead generation software developers worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to lead generation 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
1Partial evidenceCambridge, MA, United StatesHQ checked Sep 28, 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 Sep 28, 2026
2Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 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 28, 2026
3Strong evidenceMiami, FL, United StatesHQ checked Sep 28, 2026201-5001,068 contacts →

Strong 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 28, 2026
4Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 2026501-1,000970 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceNew York, United StatesHQ checked Sep 28, 2026501-1,000750 contacts →

Indirect evidence

“In an ERA of new and emerging digital mediums, we align our core expertise of today’s ever-changing technology with a clear understanding of traditional marketing methods without…”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceDenver, CO, United StatesHQ checked Sep 28, 2026501-1,000576 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
7Partial evidenceNew York, NY, United StatesHQ checked Sep 28, 2026501-1,000558 contacts →

Partial evidence

“Digitalzone is a global marketing and demand gen company dedicated to delivering compliant leads, exceptional customer satisfaction, and an end-to-end approach.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceAthens, GA, IndiaHQ checked Sep 28, 2026201-500553 contacts →

Indirect evidence

“From initial market awareness to the final stages of a complex B2B buying journey, modern buyers crave authentic interaction.”

Source: RevenueBase Database · checked Sep 28, 2026
9Strong evidenceSterling Heights, MI, United StatesHQ checked Sep 28, 202651-200528 contacts →

Strong evidence

“movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…”

Source: RevenueBase Database · checked Sep 28, 2026
10Strong evidenceEncino, CA, United StatesHQ checked Sep 28, 2026201-500499 contacts →

Strong evidence

“Callbox is the #1 trusted lead generation services and AI-Powered Growth Strategy Partner by enterprise and scaling businesses in the USA, Canada, Asia Pacific, Latin America…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceDenver, CO, United StatesHQ checked Sep 28, 202651-200455 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceLund, SwedenHQ checked Sep 28, 2026201-500399 contacts →

Indirect evidence

“Lime is the Customer Journey platform that helps companies make their customers fall in love with them.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceLondon, United KingdomHQ checked Sep 28, 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 28, 2026
14Indirect evidenceIndiaHQ checked Sep 28, 2026201-500339 contacts →

Indirect evidence

“Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.”

Source: RevenueBase Database · checked Sep 28, 2026
15Partial evidenceAtlanta, GA, United StatesHQ checked Sep 28, 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 28, 2026
16Partial evidenceMedellín, ColombiaHQ checked Sep 28, 202651-200292 contacts →

Partial evidence

“Un solo sistema corre tus ads, habla con tus leads y te entrega clientes listos para cerrar.”

Source: RevenueBase Database · checked Sep 28, 2026
17Strong evidenceHoorn, NetherlandsHQ checked Sep 28, 2026201-500253 contacts →

Strong evidence

“Leads.io is the World’s Leading AI-Powered Lead Generation Agency, founded on a performance-based pay-per-lead model.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceNew York, NY, United StatesHQ checked Sep 28, 202651-200235 contacts →

Indirect evidence

“Chili Piper is the all-in-one Demand Conversion Platform, used by Intuit, Spotify, Airbnb, Gong, and thousands more We are the only platform that consolidates Form Routing, Chat…”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceSan Francisco, United StatesHQ checked Sep 28, 202651-200218 contacts →

Indirect evidence

“Artisan builds AI employees.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSheridan, WY, United StatesHQ checked Sep 28, 202651-200215 contacts →

Indirect evidence

“All-in-one outreach platform for business growth.”

Source: RevenueBase Database · checked Sep 28, 2026
21Partial evidencePortland, OR, United StatesHQ checked Sep 28, 2026201-500210 contacts →

Partial evidence

“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.”

Source: RevenueBase Database · checked Sep 28, 2026
22Strong evidenceLviv, United StatesHQ checked Sep 28, 202651-200208 contacts →

Strong evidence

“Snov.io is a B2B lead generation and multichannel outreach automation platform designed to help sales and marketing teams improve reply rates and manage outbound campaigns more…”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidencePune, IndiaHQ checked Sep 28, 2026201-500208 contacts →

Indirect evidence

“We are Only B2B – Your reliable growth partner!”

Source: RevenueBase Database · checked Sep 28, 2026
24Strong evidenceBucharest, RomaniaHQ checked Sep 28, 2026n/a208 contacts →

Strong evidence

“LEADGURU is a Digital Agency that focuses on Done-For-You Lead Generation services.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceSanta Clara, CA, United StatesHQ checked Sep 28, 202651-200194 contacts →

Indirect evidence

“Help your teams align to your customer’s journey by uniting your CRM data, signals, and tools from the first buying signal to closed-won and beyond.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 8,864 lead generation software developers worldwide

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Lead generation software developers worldwide at a glance

As of Sep 28, 2026
25.6%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
2.4%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
5,776
11-50
2,408
51-200
518
201-500
90
501-1,000
33
1,001-5,000
20
5,001-10,000
1
10001+
5

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 lead generation 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 lead generation software developers are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “lead generation 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 lead generation 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 lead generation 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, 18,817 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.

Lead generation software developers by location

46 lists · largest first

Every Lead generation 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 lead generation 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 lead generation software developers are there worldwide?

RevenueBase identified 8,864 lead generation 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?

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

Which country has the most lead generation software developers?

The United States leads with 2,390 companies, followed by India (774) and the United Kingdom (580). Every lead generation software developers list by country and city is linked on this page.

Which city has the most lead generation software developers?

London leads with 214 headquartered companies, followed by Pune (145) and New York (113).

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 18,817 verified decision-maker contacts tracked across these 8,864 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.