Company lists · Data refreshed November 2026

Top 25 Intelligent email protection software companies worldwide

RevenueBase identified 450 company matches for intelligent email protection software companies worldwide as of November 2026 and tracks 9,537 professional contacts across them, including 3,372 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for intelligent email protection software companies 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 intelligent email protection software companies 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
450Companies
9,537Contacts tracked
3,372Verified emails
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The 25 largest intelligent email protection software companies worldwide

Ranked by team size
Top 25 of 450 company matches for intelligent email protection software companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCampbell, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,408 contacts →

Exact match

“Barracuda is a leading global cybersecurity company providing complete protection against complex threats for all size business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSeongnam-si, South KoreaHQ recorded Nov 5, 20261,001-5,000623 contacts →

Exact match

“Founded in 1995, AhnLab, Inc, the global cybersecurity company, delivers comprehensive protection for endpoints, networks, transactions, and essential services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchHelsinki, FinlandHQ recorded Nov 5, 2026n/a622 contacts →

Exact match

“We are a European cybersecurity company that helps businesses secure critical data and communications between systems, automated applications, and people with defensive…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Nov 5, 2026201-500308 contacts →

Exact match

“Sublime is the new standard for email security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchBroomfield, CO, United StatesHQ recorded Nov 5, 2026501-1,000205 contacts →

Exact match

“Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchDallas, TX, United StatesHQ recorded Nov 5, 2026501-1,000203 contacts →

Exact match

“Zix, an OpenText company, is a leader in email security and helps organizations overcome their greatest digital transformation challenges by providing a secure, modern workplace.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Nov 5, 202651-200180 contacts →

Exact match

“MicroWorld Technologies is an advanced security solution provider specializing in AntiVirus, AntiSpam, Content Security and Network Intrusion Prevention solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAtlanta, United StatesHQ recorded Nov 5, 202651-200179 contacts →

Exact match

“IRONSCALES is the leader in AI-powered email security protecting over global organizations from advanced phishing threats.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDover, DE, United StatesHQ recorded Nov 5, 202651-200133 contacts →

Exact match

“EasyDMARC is your one-stop platform that secures your email domain infrastructure and boosts email deliverability for your peace of mind.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchLüneburg, GermanyHQ recorded Nov 5, 2026201-500124 contacts →

Exact match

“Securepoint GmbH, from the Hanseatic city of Lüneburg, is the market leader in the development of professional “Unified Threat Management” solutions in Germany.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBochum, GermanyHQ recorded Nov 5, 202651-200115 contacts →

Exact match

“Sandboxing reinvented to uncover the threats of today & tomorrow.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchCupertino, CA, United StatesHQ recorded Nov 5, 202651-20094 contacts →

Exact match

“Threatcop, a leading security awareness company, is a pioneer in People Security Management that offers leading AI-powered technology focused on social engineering and email-based…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20082 contacts →

Exact match

“Material Security is an automated detection and response toolkit for Google Workspace and Microsoft 365, combining email security, data security, identity protection, and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchToronto, ON, CanadaHQ recorded Nov 5, 202651-20080 contacts →

Exact match

“Echoworx protects the privacy of people and businesses throughout the world by making email data protection easier.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchMumbai, IndiaHQ recorded Nov 5, 202611-5073 contacts →

Exact match

“Established in 2017, PROGIST is a fast-growing cybersecurity solutions provider, trusted by over 450 enterprise clients worldwide-spanning banking, finance, pharma, fintech…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchMumbai, IndiaHQ recorded Nov 5, 202651-20071 contacts →

Exact match

“GajShield Infotech (I) Pvt.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchTakapuna, New ZealandHQ recorded Nov 5, 202611-5069 contacts →

Exact match

“For almost twenty years, the SMX culture of innovation has seen it evolve alongside emerging threats, technologies and ways of working to remain at the forefront of cybersecurity.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAmsterdam-duivendrecht, NetherlandsHQ recorded Nov 5, 202651-20059 contacts →

Exact match

“Zivver is the all-in-one email security solution provider for managing and eliminating evolving risk – whether it’s human error, cyber threats, or data compliance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 5, 202611-5052 contacts →

Exact match

“nsKnox is a cybersecurity company focused on Corporate Payment Security, founded and led by Alon Cohen, Founder & former CEO of CyberArk (NASDAQ: CYBR).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBoston, United StatesHQ recorded Nov 5, 2026201-50049 contacts →

Exact match

“Tessian was acquired by Proofpoint.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20049 contacts →

Exact match

“Cloudmark was acquired by Proofpoint.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBelo Horizonte, BrazilHQ recorded Nov 5, 202611-5048 contacts →

Exact match

“Desenvolvimento de soluções de segurança para internet de empresas: e-mail, web, firewall e MSN”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchSan Jose, VA, United StatesHQ recorded Nov 5, 202611-5047 contacts →

Exact match

“Quokka discovers and delivers actionable mobile security intelligence to enable proactive remediation of zero-day vulnerabilities, before they become incidents that threaten…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchFredericton, NB, CanadaHQ recorded Nov 5, 202611-5045 contacts →

Exact match

“The best software for MSPs to deliver anti-fraud, anti-phishing, e-mail analysis and security awareness training that motivates behavior change.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchGreenville, SC, United StatesHQ recorded Nov 5, 202611-5044 contacts →

Exact match

“Mailprotector has built email security for the MSP channel for over 25 years on a fundamentally different premise: remove the conditions that create problems rather than defend…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 450 intelligent email protection software companies worldwide

See the full list, filter by size, metro and specialty, and access 3,372 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Intelligent email protection software companies worldwide at a glance

As of Nov 5, 2026
35.4%Verified-email coverage
21.2Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
202
11-50
145
51-200
65
201-500
16
501-1,000
6
1,001-5,000
7
5,001-10,000
2
10001+
1

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 intelligent email protection software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “intelligent email protection software companies” 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 3,372 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.

Intelligent email protection software companies by location

2 lists · largest first

Every Intelligent email protection software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “intelligent email protection software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many intelligent email protection software companies are there worldwide?

RevenueBase identified 450 company matches for intelligent email protection software companies 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?

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

Which country has the most intelligent email protection software companies?

The United States leads with 107 companies, followed by the United Kingdom (32). Every intelligent email protection software companies list by country and city is linked on this page.

Which city has the most intelligent email protection software companies?

London leads with 14 company records, followed by San Francisco (7) and Dubai (5).

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 3,372 professional contacts with verified work emails tracked across these 450 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.