Company lists · Data refreshed September 2026

Top 25 Api security firms worldwide

RevenueBase identified 4,855 company matches for api security firms worldwide as of September 2026 and tracks 66,780 professional contacts across them, including 15,453 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for api security firms 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 api security firms 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
4,855Companies
66,780Contacts tracked
15,453Verified emails
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The 25 largest api security firms worldwide

Ranked by team size
Top 25 of 4,855 company matches for api security firms 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 matchUnited StatesHQ recorded Sep 27, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026n/a3,649 contacts →

Exact match

“We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchReston, VA, United StatesHQ recorded Sep 27, 20261,001-5,0001,232 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchHoofddorp, NetherlandsHQ recorded Sep 27, 20261,001-5,0001,026 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Sep 27, 2026501-1,000888 contacts →

Exact match

“Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 27, 2026501-1,000874 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 27, 20261,001-5,000628 contacts →

Exact match

“VikingCloud delivers battle-tested cybersecurity and compliance solutions that simply work.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchMclean, VA, United StatesHQ recorded Sep 27, 2026501-1,000523 contacts →

Exact match

“UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSao Paulo, BrazilHQ recorded Sep 27, 2026201-500399 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchGurugram, IndiaHQ recorded Sep 27, 2026201-500363 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact match경기도, South KoreaHQ recorded Sep 27, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact 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
14Exact 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
15Exact 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
16Exact matchBrussels, BelgiumHQ recorded Sep 27, 2026201-500315 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchRoma, ItalyHQ recorded Sep 27, 20261,001-5,000292 contacts →

Exact match

“NEVERHACK is a French group specialized in cybersecurity for over 40 years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNashville, TN, United StatesHQ recorded Sep 27, 2026201-500272 contacts →

Exact match

“Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchRedwood City, CA, United StatesHQ recorded Sep 27, 2026201-500237 contacts →

Exact match

“Synack is the leader in human-led and agentic AI-powered Penetration Testing as a Service (PTaaS), transforming offensive security to help organizations proactively reduce risk…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchSan Jose, CA, United StatesHQ recorded Sep 27, 2026201-500232 contacts →

Exact match

“Noname Security is the only company taking a complete, proactive approach to API Security.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchCairo, EgyptHQ recorded Sep 27, 2026201-500229 contacts →

Exact match

“Fixed Solutions offers world-class cybersecurity solutions through strategic alliances with the top IT security vendors and digital security service providers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchChantilly, VA, United StatesHQ recorded Sep 27, 2026201-500220 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchCharlotte, NC, United StatesHQ recorded Sep 27, 2026n/a206 contacts →

Exact match

“A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchReston, VA, United StatesHQ recorded Sep 27, 20261,001-5,000204 contacts →

Exact match

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

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

Showing 25 of 4,855 api security firms worldwide

See the full list, filter by size, metro and specialty, and access 15,453 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api security firms worldwide at a glance

As of Sep 27, 2026
23.1%Verified-email coverage
13.8Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
2,778
11-50
1,670
51-200
312
201-500
64
501-1,000
9
1,001-5,000
12
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 api security firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “api security firms” 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 15,453 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.

Api security firms by location

30 lists · largest first

Every Api security firms 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 “api security firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api security firms are there worldwide?

RevenueBase identified 4,855 company matches for api security firms 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?

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

Which country has the most api security firms?

The United States leads with 873 companies, followed by India (632) and the United Kingdom (271). Every api security firms list by country and city is linked on this page.

Which city has the most api security firms?

London leads with 107 company records, followed by Sao Paulo (57) and Paris (53).

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 15,453 professional contacts with verified work emails tracked across these 4,855 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.