Company lists · Data refreshed September 2026
Top 25 Security due diligence firms based in Singapore
RevenueBase identified 50 security due diligence firms headquartered in Singapore as of September 2026 and tracks 674 professional contacts across them, including 159 with verified work emails. Singapore is the largest hub.
This list covers security due diligence firms 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 29, 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 security due diligence firms based in Singapore
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 80 contacts → | ||||
Partial evidence “Since 2001, softScheck has been a prominent advocate for software security, dedicated to complying with ISO27034 and Microsoft Security Dev.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Indirect evidence “Cybersecurity isn't only for the big boys anymore.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 29 contacts → | ||||
Indirect evidence “Quantified Risk, Fortified Resilience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 contacts → | ||||
Partial evidence “Tiger Hong Security Services & Consultants Pte.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Indirect evidence “Since 2017, we have combined deep technical expertise with strong industry insight to deliver practical and strategic recommendations that align with our clients’ operational…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 15 contacts → | ||||
Partial evidence “Stone Cybersecurity is a security firm that has seen rapid growth since the day it opened its doors.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Indirect evidence “It is our mission to give all organizations in Singapore a fair chance to grow via quick and affordable solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Indirect evidence “Hawkshield | Your Trusted Cybersecurity Partner At Hawkshield, we specialize in advanced cybersecurity solutions designed to protect your organization in a digital-first world.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Indirect evidence “Vulnerability assessment, penetration testing, configuration review, secure code review and red teaming.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Partial evidence “SEC Consult - ADVISOR FOR YOUR INFORMATION SECURITY SEC Consult is the leading European consultancy for application security services and information security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Indirect evidence “Artan Consulting Pte.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 9 contacts → | ||||
Partial evidence “CNAV is Cybersecurity Company focusing in Data Privacy and Data Security founded in year 2008 with its headquarters in Singapore.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “We offer following services: 1.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “In a world where the adoption of technologies outpace the development and deployment of securities, many of the information and operation technologies are in production with risks…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “Graystone International helps you improve business processes by providing clients the tools they need to maintain their edge in the dynamic markets of today.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Partial evidence “JT Consultancy & Management Pte Ltd is a Singapore-based company backed by a team of highly accredited Singaporean cyber security professionals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “We’re Locked Jar, we make sure that your most important assets - your people and your data stay safe.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “We offer cyber security consulting services and innovative solutions to reduce our clients risk exposure, and maximize their advantages in today’s global business market.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Partial evidence “We are an information risk, security and compliance specialist firm headquartered in Singapore.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Based in Singapore, we are a boutique firm ran by cybersecurity researchers and practitioners with accreditation from independent authoritative body as well as fortune 500…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “Our team brings together accomplished leaders in the security industry and highly skilled professionals with profound technological expertise across diverse fields.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Partial evidence “A PCI cybersecurity firm offering compliance, security & risk advisory services on PCI DSS, PDPA, GDPR, ISO 27001 / ISO 277001.” Source: RevenueBase Database · checked Sep 29, 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: security due diligence firms. 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 security due diligence firms.
- Partial evidence
- Its own public description names part of security due diligence firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name security due diligence firms. 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 50 security due diligence firms based in Singapore
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Security due diligence firms based in Singapore at a glance
As of Sep 29, 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 50 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 security due diligence firms, 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 “security due diligence firms”. 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 security due diligence firms), 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 security due diligence firms, 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, 159 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 29, 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.
Security due diligence firms by metro
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 security due diligence firms, 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 security due diligence firms are there based in Singapore?
RevenueBase identified 50 security due diligence firms 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?
Softscheck Apac, headquartered in Singapore, tops this list with the largest team on record.
Which city has the most security due diligence firms?
Singapore leads with 45 headquartered companies, followed by Csc (1) and Marina (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 159 verified decision-maker contacts tracked across these 50 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 29, 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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