Company lists · Data refreshed September 2026
Top 25 Enterprise IT security companies based in Singapore
RevenueBase identified 173 enterprise IT security companies headquartered in Singapore as of September 2026 and tracks 4,002 professional contacts across them, including 1,350 with verified work emails. Singapore is the largest hub.
This list covers enterprise IT security companies headquartered in Singapore, 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 21, 2026.
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.
The 25 largest enterprise IT security companies based in Singapore
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 888 contacts → | ||||
Indirect evidence “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 528 contacts → | ||||
Indirect evidence “Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 249 contacts → | ||||
Partial evidence “Eventus Security is a globally trusted Managed Security Services Provider (MSSP), delivering AI-driven, intelligence-led cybersecurity services to organizations across Asia…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 234 contacts → | ||||
Partial evidence “CloudSEK is an Artificial Intelligence powered Digital Risk Management enterprise.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 150 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 128 contacts → | ||||
Indirect evidence “CYBERTEQ is a Cybersecurity technology company with a clear mission to create value for clients by driving Digital and Cyber resilience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 88 contacts → | ||||
Partial evidence “One of Singapore's largest physical security company focusing on security consulting, manpower and technology - harnessing these expertise to customize the appropriate physical…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 82 contacts → | ||||
Partial evidence “Company Overview Incorporated in 2001, Genesis Networks is a premier, privately owned professional IT services provider.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 79 contacts → | ||||
Partial evidence “Technopals is one of the leading providers of IT solutions and services to various companies of high repute.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 67 contacts → | ||||
Indirect evidence “Positka is dedicated to building a business that delivers value to customers by combining the strategic rigor and intellectual focus of high-end management consulting with the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 49 contacts → | ||||
Partial evidence “Ray, headquartered in the vibrant tech hub of Singapore, is at the forefront of Enterprise Secure Networking Solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 45 contacts → | ||||
Partial evidence “Hexadius provides niche cybersecurity services in the areas of IAM, SAP security/ GRC, VAPT and GRC.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 41 contacts → | ||||
Indirect evidence “THEOS Cyber: Your Trusted Partner in APAC At THEOS Cyber, we are passionate about safeguarding your digital assets from online threats.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 39 contacts → | ||||
Indirect evidence “Cybersecurity isn't only for the big boys anymore.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 38 contacts → | ||||
Partial evidence “DACTA was established with the aim of simplifying the perception of complexity surrounding digital security challenges and solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 38 contacts → | ||||
Partial evidence “Uniforce Security Services Pte Ltd is backed up with combined 30 years of experience, specializing in a whole range of professional security services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 33 contacts → | ||||
Indirect evidence “At Horangi, we’re passionate about building a safer cyberspace and creating software that solves challenging cybersecurity problems.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 29 contacts → | ||||
Indirect evidence “Our Journey Inventivo was established in 2015 by 2 passionate Engineers that believe in providing services to the partner community.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 29 contacts → | ||||
Indirect evidence “Quantified Risk, Fortified Resilience.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 29 contacts → | ||||
Strong evidence “At Argentra, we believe providing quality IT security solutions begins with listening to the unique needs of each client.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 28 contacts → | ||||
Partial evidence “Securitas delivers world-class electronic security solutions, priority service response, and full project deliveries to maintain a security program that is customized to the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 25 contacts → | ||||
Partial evidence “Centrics Networks, headquartered in Singapore, is a cybersecurity and modern IT infrastructure company that specializes in providing cutting-edge solutions to its clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 24 contacts → | ||||
Partial evidence “ABP Group is Asia’s leading Cybersecurity technology provider focusing on delivering the best-of-breed security solutions for today’s cybersecurity challenges.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 23 contacts → | ||||
Indirect evidence “Infinity Cybersec is a Singapore local provider of cybersecurity and Observability services, dedicated to helping organizations protect their digital assets and ensure business…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 22 contacts → | ||||
Strong evidence “Cybersecurity is the enabler of business We are a team of cyber security connoisseurs and problem solvers (with good current working experience in IT infrastructure) who have…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise IT security companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names enterprise IT security companies.
- Partial evidence
- Its own public description names part of enterprise IT security companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise IT security companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 173 enterprise IT security companies based in Singapore
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Enterprise IT security companies based in Singapore at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Singapore, so it is reported there. Company counts and contact totals on this page are exact for Singapore, over 173 companies.
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 enterprise IT security companies, 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.
- What qualifies
- Companies headquartered in Singapore whose own description of what they do matches “enterprise IT security companies”. 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 enterprise IT security companies), 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 enterprise IT security companies, and records with no verified work email. Companies headquartered outside Singapore are excluded even when they keep an office there.
- 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, 1,350 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 21, 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.
Enterprise IT security companies by metro
- Enterprise IT security companies in Singapore154
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 enterprise IT security companies, 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 enterprise IT security companies are there based in Singapore?
RevenueBase identified 173 enterprise IT security companies headquartered in Singapore 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?
Ensign Infosecurity, headquartered in Singapore, tops this list with the largest team on record.
Which city has the most enterprise IT security companies?
Singapore leads with 154 headquartered companies, followed by Downtown Core (2) and Kong (1).
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 1,350 verified decision-maker contacts tracked across these 173 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 21, 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.
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