Company lists · Data refreshed September 2026

Top 25 Application security consultancies worldwide

RevenueBase identified 5,250 application security consultancies worldwide as of September 2026 and tracks 63,164 professional contacts across them, including 14,799 with verified work emails. The United States is the largest market and London the largest hub.

This list covers application security consultancies 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 27, 2026. Country and city lists for application security consultancies 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 27, 2026 86% judged on-target in blind review
5,250Companies
63,164Contacts tracked
14,799Verified emails
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The 25 largest application security consultancies worldwide

Ranked by team size
Top 25 of 5,250 application security consultancies worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to application security consultancies: 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 evidenceUnited StatesHQ checked Sep 27, 2026n/a12,771 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceReston, VA, United StatesHQ checked Sep 27, 20261,001-5,0001,232 contacts →

Partial evidence

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceParamus, NJ, United StatesHQ checked Sep 27, 2026501-1,0001,042 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceChicago, IL, United StatesHQ checked Sep 27, 2026501-1,000874 contacts →

Indirect evidence

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceBurlington, MA, United StatesHQ checked Sep 27, 2026501-1,000552 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceSao Paulo, BrazilHQ checked Sep 27, 2026201-500399 contacts →

Indirect evidence

“A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceLondon, United KingdomHQ checked Sep 27, 2026501-1,000374 contacts →

Partial evidence

“At Resillion, we're more than just a global leader in quality engineering, testing, and cyber security – we're your dedicated partner from the start of your project to its…”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceGurugram, IndiaHQ checked Sep 27, 2026201-500363 contacts →

Partial evidence

“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceBonn, GermanyHQ checked Sep 27, 20261,001-5,000363 contacts →

Indirect evidence

“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceAhmedabad, IndiaHQ checked Sep 27, 2026201-500340 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceMumbai, IndiaHQ checked Sep 27, 2026201-500335 contacts →

Indirect evidence

“T A L A K U N C H I Networks Pvt.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceMoscow, RussiaHQ checked Sep 27, 20261,001-5,000328 contacts →

Indirect evidence

“BI.ZONE is an expert in digital risks management that helps organizations develop their businesses safely in cyberspace.”

Source: RevenueBase Database · checked Sep 27, 2026
13Partial evidenceBrussels, BelgiumHQ checked Sep 27, 2026201-500315 contacts →

Partial evidence

“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceWettingen, SwitzerlandHQ checked Sep 27, 2026501-1,000269 contacts →

Partial evidence

“As a leading IT security enterprise, the SITS Group stands for end-to-end security.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceCedar Hill, TX, United StatesHQ checked Sep 27, 2026201-500255 contacts →

Indirect evidence

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceAlbuquerque, NM, United StatesHQ checked Sep 27, 2026201-500244 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceMumbai, IndiaHQ checked Sep 27, 2026201-500238 contacts →

Indirect evidence

“Established 26 years ago, Meta Infotech has been a trusted name in Cyber and IT Risk Assessment Services, Cybersecurity Product Consulting, Implementation & Sustenance Services…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceSingaporeHQ checked Sep 27, 202651-200234 contacts →

Indirect evidence

“CloudSEK is an Artificial Intelligence powered Digital Risk Management enterprise.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceSao Paulo, BrazilHQ checked Sep 27, 2026201-500230 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceChantilly, VA, United StatesHQ checked Sep 27, 2026201-500220 contacts →

Indirect evidence

“For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 27, 202651-200208 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceReston, VA, United StatesHQ checked Sep 27, 20261,001-5,000204 contacts →

Indirect evidence

“MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.”

Source: RevenueBase Database · checked Sep 27, 2026
23Strong evidenceMalvern, PA, United StatesHQ checked Sep 27, 2026201-500198 contacts →

Strong evidence

“SoftSages Technology is an information technology company that specializes in IT consulting, software development, mobile application development, and IT security solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceNY, United StatesHQ checked Sep 27, 2026201-500186 contacts →

Indirect evidence

“Kualitatem empowers businesses to deliver quality software.”

Source: RevenueBase Database · checked Sep 27, 2026
25Partial evidenceAhmedabad, IndiaHQ checked Sep 27, 202651-200182 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 5,250 application security consultancies worldwide

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Application security consultancies worldwide at a glance

As of Sep 27, 2026
23.4%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
3,133
11-50
1,654
51-200
366
201-500
64
501-1,000
11
1,001-5,000
9
5,001-10,000
2
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 application security consultancies, 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 application security consultancies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “application security consultancies”. 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 application security consultancies), 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 application security consultancies, 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, 14,799 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 27, 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.

Application security consultancies by location

31 lists · largest first

Every Application security consultancies 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 application security consultancies, 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 application security consultancies are there worldwide?

RevenueBase identified 5,250 application security consultancies 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?

Private Sector, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most application security consultancies?

The United States leads with 1,026 companies, followed by India (646) and the United Kingdom (296). Every application security consultancies list by country and city is linked on this page.

Which city has the most application security consultancies?

London leads with 104 headquartered companies, followed by Pune (58) and Hyderabad (54).

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 14,799 verified decision-maker contacts tracked across these 5,250 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 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 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.