Company lists · Data refreshed September 2026

Top 25 Mobile app security testers worldwide

RevenueBase identified 1,444 company matches for mobile app security testers worldwide as of September 2026 and tracks 13,005 professional contacts across them, including 3,531 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for mobile app security testers 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 28, 2026. Country and city lists for mobile app security testers 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 28, 2026 How this list was built
1,444Companies
13,005Contacts tracked
3,531Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest mobile app security testers worldwide

Ranked by team size
Top 25 of 1,444 company matches for mobile app security testers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 2026n/a813 contacts →

Exact match

“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 2026201-500350 contacts →

Exact match

“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchKnutsford, United KingdomHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
4Exact matchNY, United StatesHQ recorded Sep 28, 2026201-500186 contacts →

Exact match

“Kualitatem empowers businesses to deliver quality software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchAhmedabad, IndiaHQ recorded Sep 28, 202651-200182 contacts →

Exact match

“Net Square is a company specializing in information security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-200167 contacts →

Exact match

“Fluid Attacks helps companies prevent, detect, manage and remediate vulnerabilities across their application attack surface.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLeuven, BelgiumHQ recorded Sep 28, 202651-200163 contacts →

Exact match

“Guardsquare offers the most complete approach to mobile application security on the market.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchGhent, BelgiumHQ recorded Sep 28, 2026201-500154 contacts →

Exact match

“From vulnerability management to penetration testing, secure everything you build, host, and run with Aikido.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchPune, IndiaHQ recorded Sep 28, 202651-200149 contacts →

Exact match

“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchMission Viejo, CA, United StatesHQ recorded Sep 28, 2026201-500125 contacts →

Exact match

“Varutra Consulting, an InfoShare company, is a globally recognized cybersecurity firm delivering cutting-edge solutions in Cloud Security, Mobile Security, Application Security…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchOslo, NorwayHQ recorded Sep 28, 202651-200121 contacts →

Exact match

“Promon is the leader in proactive mobile app security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchAlexandria, VA, United StatesHQ recorded Sep 28, 2026n/a113 contacts →

Exact match

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchDenver, CO, United StatesHQ recorded Sep 28, 202651-200111 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchSeattle, WA, United StatesHQ recorded Sep 28, 202651-200107 contacts →

Exact match

“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchPune, IndiaHQ recorded Sep 28, 202651-200105 contacts →

Exact match

“EncureIT System is primarily an Information Security Specialist Company that believes in delivering comprehensive professional security services to its clients.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-200103 contacts →

Exact match

“NowSecure is the leader in Mobile Application Risk Management, providing automated and human-augmented testing solutions that deliver speed, depth, and accuracy to protect the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLeeds, United KingdomHQ recorded Sep 28, 202651-20099 contacts →

Exact match

“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchStockholm, SwedenHQ recorded Sep 28, 202651-20097 contacts →

Exact match

“Founded by a group of hackers in 2013, Stockholm-based Detectify is an application security platform trusted by over 2,100 organizations globally, from high-growth startups to the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSingaporeHQ recorded Sep 28, 202651-20089 contacts →

Exact match

“At Appknox, we are on a mission to redefine mobile application security and ensure the safety of users worldwide.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 2026201-50089 contacts →

Exact match

“NTT Application Security is driving the future of application security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchPalo Alto, United StatesHQ recorded Sep 28, 2026201-50083 contacts →

Exact match

“Data Theorem prevents AppSec data breaches.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchKathmandu, NepalHQ recorded Sep 28, 202651-20077 contacts →

Exact match

“We are Nepal based Information Security company working with like minded security enthusiasts.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchCuritiba, BrazilHQ recorded Sep 28, 202651-20069 contacts →

Exact match

“Conviso is an application security specialist and a reference in AppSec.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchTübingen, GermanyHQ recorded Sep 28, 202651-20069 contacts →

Exact match

“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,444 mobile app security testers worldwide

See the full list, filter by size, metro and specialty, and access 3,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Mobile app security testers worldwide at a glance

As of Sep 28, 2026
27.2%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
2.6%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
944
11-50
402
51-200
76
201-500
17
501-1,000
2
1,001-5,000
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 mobile app security testers are linked below.
What qualifies
Company records worldwide whose business descriptions match “mobile app security testers” 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 3,531 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 28, 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.

Mobile app security testers by location

10 lists · largest first

Every Mobile app security testers 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 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 “mobile app security testers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mobile app security testers are there worldwide?

RevenueBase identified 1,444 company matches for mobile app security testers 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?

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

Which country has the most mobile app security testers?

The United States leads with 268 companies, followed by India (202) and the United Kingdom (92). Every mobile app security testers list by country and city is linked on this page.

Which city has the most mobile app security testers?

London leads with 38 company records, followed by Hyderabad (20) and San Francisco (17).

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 3,531 professional contacts with verified work emails tracked across these 1,444 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,444 mobile app security testers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.