Company lists · Data refreshed September 2026

Top 25 Application security startups worldwide

RevenueBase identified 2,120 company matches for application security startups worldwide as of September 2026 and tracks 29,730 professional contacts across them, including 10,748 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for application security startups 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 27, 2026. Country and city lists for application security startups 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 27, 2026 How this list was built
2,120Companies
29,730Contacts tracked
10,748Verified emails
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The 25 largest application security startups worldwide

Ranked by team size
Top 25 of 2,120 company matches for application security startups worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchAustin, TX, United StatesHQ recorded Sep 27, 202610001+1,217 contacts →

Exact match

“On Dec.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 27, 20261,001-5,0001,188 contacts →

Exact match

“Snyk, the leader in secure AI software development, empowers organizations to build fast and stay secure by unleashing developer productivity and reducing business risk.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchBurlington, MA, United StatesHQ recorded Sep 27, 20265,001-10,0001,187 contacts →

Exact match

“Black Duck® meets the board-level risks of modern software with True Scale Application Security, ensuring uncompromised trust in software for the regulated, AI-powered world.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchParamus, NJ, United StatesHQ recorded Sep 27, 2026501-1,0001,042 contacts →

Exact match

“Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Sep 27, 202651-200586 contacts →

Exact match

“YesWeHack is a leading Offensive Security and Exposure Management platform delivering integrated, API-based solutions to secure organisations’ growing attack surfaces.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchBurlington, MA, United StatesHQ recorded Sep 27, 2026501-1,000552 contacts →

Exact match

“Veracode is a global leader in Application Risk Management for the AI era.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBurlington, MA, United StatesHQ recorded Sep 27, 2026201-500486 contacts →

Exact match

“Pentera provides AI-powered Automated Security Validation for enterprise security teams.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026201-500364 contacts →

Exact match

“Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchTempe, AZ, United StatesHQ recorded Sep 27, 2026201-500344 contacts →

Exact match

“Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchAhmedabad, IndiaHQ recorded Sep 27, 2026201-500340 contacts →

Exact match

“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchMumbai, IndiaHQ recorded Sep 27, 2026201-500335 contacts →

Exact match

“T A L A K U N C H I Networks Pvt.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Sep 27, 2026201-500326 contacts →

Exact match

“Invicti is transforming the way web applications are secured.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchKnutsford, United KingdomHQ recorded Sep 27, 202651-200267 contacts →

Exact match

“PortSwigger is a global leader in the creation of software tools for security testing of web applications.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 27, 2026201-500256 contacts →

Exact match

“Meet the AI native AppSec platform built for enterprise scale At Mend.io, we believe security should empower, not block.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPleasanton, CA, United StatesHQ recorded Sep 27, 2026201-500254 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 27, 2026201-500244 contacts →

Exact match

“Securin is obsessed with helping leaders continuously improve their security posture.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchDallas, TX, United StatesHQ recorded Sep 27, 2026201-500239 contacts →

Exact match

“Zimperium is the world leader in AI-Empowered Mobile Security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Sep 27, 2026201-500230 contacts →

Exact match

“We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchToronto, ON, CanadaHQ recorded Sep 27, 2026201-500217 contacts →

Exact match

“Security Compass helps organizations build secure and compliant software by design.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200208 contacts →

Exact match

“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company specializing in vulnerability management, today serves clients across 100 countries…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchNY, United StatesHQ recorded Sep 27, 2026201-500186 contacts →

Exact match

“Kualitatem empowers businesses to deliver quality software.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchNoida, IndiaHQ recorded Sep 27, 2026201-500181 contacts →

Exact match

“SDAD Technology Pvt.Ltd.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchRedwood City, CA, United StatesHQ recorded Sep 27, 202651-200174 contacts →

Exact match

“SecPod is a leading cybersecurity technology company committed to preventing cyberattacks through proactive security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Sep 27, 2026201-500171 contacts →

Exact match

“Synacktiv is an offensive security company founded in 2012 by several security experts.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-200167 contacts →

Exact match

“ValueMentor is a global information security consulting & services company that delivers real results to global business in maximizing cybersecurity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 2,120 application security startups worldwide

See the full list, filter by size, metro and specialty, and access 10,748 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Application security startups worldwide at a glance

As of Sep 27, 2026
36.2%Verified-email coverage
14.0Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
1,187
11-50
694
51-200
190
201-500
33
501-1,000
4
1,001-5,000
6
5,001-10,000
1
10001+
3

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 application security startups are linked below.
What qualifies
Company records worldwide whose business descriptions match “application security startups” 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 10,748 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 27, 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.

Application security startups by location

11 lists · largest first

Every Application security startups 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 “application security startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many application security startups are there worldwide?

RevenueBase identified 2,120 company matches for application security startups 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?

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

Which country has the most application security startups?

The United States leads with 461 companies, followed by India (291) and the United Kingdom (109). Every application security startups list by country and city is linked on this page.

Which city has the most application security startups?

London leads with 52 company records, followed by San Francisco (46) and Hyderabad (37).

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 10,748 professional contacts with verified work emails tracked across these 2,120 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 27, 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.