Company lists · Data refreshed September 2026
Top 25 Big security companies based in Singapore
RevenueBase identified 113 company matches for big security companies associated with Singapore as of September 2026 and tracks 6,471 professional contacts across them, including 721 with verified work emails. Singapore is the largest hub.
This list covers company matches for big security companies associated with Singapore, 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 21, 2026.
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.
The 25 largest big security companies based in Singapore
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,610 contacts → | ||||
Exact match “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 228 contacts → | ||||
Exact match “AVTEL specialise in electronic security systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 200 contacts → | ||||
Exact match “Ademco Security Group is a leading provider of security solutions and services to businesses and governments across Asia.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 138 contacts → | ||||
Exact match “APRO has been providing customised security solutions since 1985 to market leaders in their respective industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 127 contacts → | ||||
Exact match “Founded in 2006, Security & Risk Solutions Pte Ltd (SRS) is a global security solutions provider that started in Singapore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 96 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 92 contacts → | ||||
Exact match “Oneberry Technologies Pte Ltd is a specialist technology and service provider of productivity enabled Security & Surveillance Solutions in Singapore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 88 contacts → | ||||
Exact match “One of Singapore's largest physical security company focusing on security consulting, manpower and technology - harnessing these expertise to customize the appropriate physical…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 67 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 38 contacts → | ||||
Exact match “Uniforce Security Services Pte Ltd is backed up with combined 30 years of experience, specializing in a whole range of professional security services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 32 contacts → | ||||
Exact match “Prospect Protection is licensed by the Singapore Police Force to carry out security outsourcing and investigation services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 29 contacts → | ||||
Exact match “Listed on the Catalist Board of the SGX-ST, Secura Group Limited (“Secura” or the “Company”, and together with its subsidiaries, the “Group”) is one of the leading providers of an…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 24 contacts → | ||||
Exact match “ABP Group is Asia’s leading Cybersecurity technology provider focusing on delivering the best-of-breed security solutions for today’s cybersecurity challenges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 23 contacts → | ||||
Exact match “Infinity Cybersec is a Singapore local provider of cybersecurity and Observability services, dedicated to helping organizations protect their digital assets and ensure business…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 22 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match “Dragnet Smartech Security Pte Ltd is a security and investigations company based out of 33 Ubi Ave 3,#06-31, 408868, Singapore.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “Tiger Hong Security Services & Consultants Pte.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “Since 2017, we have combined deep technical expertise with strong industry insight to deliver practical and strategic recommendations that align with our clients’ operational…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “Stone Cybersecurity is a security firm that has seen rapid growth since the day it opened its doors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 13 contacts → | ||||
Exact match “SAINT7 International Pte Ltd established in 2010, provides total security solutions for clients in the commercial, industrial, residential, governmental and security industry…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 11 contacts → | ||||
Exact match “Acestes Pte Ltd was established in 2014 with a clear business mission: to create a safer and better world through our range of security and investigation services and solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 9 contacts → | ||||
Exact match “GoMobile Security Solutions strives to be a premier Security Solutions Provider in Singapore and the region.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match “At Cyber Sense Technologies, we take pride in providing the utmost attention to our clients’ needs, providing them with bespoke and premium services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match “Tosba Technologies are experts in cybersecurity, and in creating innovative IT solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match “At Securevision, your safety is our top priority.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “big security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 113 big security companies based in Singapore
See the full list, filter by size, metro and specialty, and access 721 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Big 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 113 companies.
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.
- What qualifies
- Company records associated with Singapore whose business descriptions match “big security companies” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 721 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 21, 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.
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 “big security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big security companies are there based in Singapore?
RevenueBase identified 113 company matches for big security companies associated with Singapore 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?
Certis tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most big security companies?
Singapore leads with 93 company records, followed by Marina (1) and Woodlands (1).
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 721 professional contacts with verified work emails tracked across these 113 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 113 big security companies based in Singapore. Start with a free account, no credit card.
Download this list →Related lists
Big security companies by geography
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil
- Big security companies based in Porto Alegre, Brazil
- Big security companies based in Rio De Janeiro, Brazil
- Big security companies based in Sao Paulo, Brazil
- Big security companies based in Calgary, Canada
- Big security companies based in Edmonton, Canada
- Big security companies based in Mississauga, Canada
Browse the directory
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 big security companies based in Singapore
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 113 matching company records for big security companies based in Singapore, with 6,471 tracked contacts and 721 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 big security companies based in Singapore
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Certiscertisgroup.comHQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 4,610 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AVTELavtelglobal.comHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 228 contacts → |
“AVTEL specialise in electronic security systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ademco Security Groupademcosecurity.comHQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 200 contacts → |
“Ademco Security Group is a leading provider of security solutions and services to businesses and governments across Asia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Apro Asian Protection PTE LTDapro.com.sg HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 138 contacts → |
“APRO has been providing customised security solutions since 1985 to market leaders in their respective industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Security & Risk Solutions PTE LTDsecurity-risksolutions.com HQ: Aljunied, SingaporeReported employees: 1,001-5,000 | Aljunied, Singapore | 1,001-5,000 | Exact match | 127 contacts → |
“Founded in 2006, Security & Risk Solutions Pte Ltd (SRS) is a global security solutions provider that started in Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Securitas Singaporesecuritas-singapore.comHQ: SingaporeReported employees: Not recorded | Singapore | Not recorded | Exact match | 96 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Oneberryoneberry.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 92 contacts → |
“Oneberry Technologies Pte Ltd is a specialist technology and service provider of productivity enabled Security & Surveillance Solutions in Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Pico Guardspicoguards.com.sgHQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 88 contacts → |
“One of Singapore's largest physical security company focusing on security consulting, manpower and technology - harnessing these expertise to customize the appropriate physical…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Positkapositka.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 67 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Uniforce Security Services PTE LTDuniforcesecurity.sgHQ: #07-24, SingaporeReported employees: 201-500 | #07-24, Singapore | 201-500 | Exact match | 38 contacts → |
“Uniforce Security Services Pte Ltd is backed up with combined 30 years of experience, specializing in a whole range of professional security services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prospect Protection PTE LTDprospectprotection.net HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 32 contacts → |
“Prospect Protection is licensed by the Singapore Police Force to carry out security outsourcing and investigation services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Secura Group Limitedsecuragroup.com.sgHQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 29 contacts → |
“Listed on the Catalist Board of the SGX-ST, Secura Group Limited (“Secura” or the “Company”, and together with its subsidiaries, the “Group”) is one of the leading providers of an…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ABP Groupabpgroup.comHQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 24 contacts → |
“ABP Group is Asia’s leading Cybersecurity technology provider focusing on delivering the best-of-breed security solutions for today’s cybersecurity challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Infinity Cybersec PTE LTDicyber.com.sgHQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 23 contacts → |
“Infinity Cybersec is a Singapore local provider of cybersecurity and Observability services, dedicated to helping organizations protect their digital assets and ensure business…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Security Spectrum Services LLPsss.expertHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 22 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dragnet Smartech Security PTE LTDdragnet.sgHQ: 408868, SingaporeReported employees: 501-1,000 | 408868, Singapore | 501-1,000 | Exact match | 20 contacts → |
“Dragnet Smartech Security Pte Ltd is a security and investigations company based out of 33 Ubi Ave 3,#06-31, 408868, Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Tiger Hong Security Services & Consultants PTE LTDtigerhong.com.sgHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 20 contacts → |
“Tiger Hong Security Services & Consultants Pte.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TRS Group Of Companiestrsforensics.comHQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 18 contacts → |
“Since 2017, we have combined deep technical expertise with strong industry insight to deliver practical and strategic recommendations that align with our clients’ operational…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stone Cybersecuritystonecyber.orgHQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 15 contacts → |
“Stone Cybersecurity is a security firm that has seen rapid growth since the day it opened its doors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Saint 7 International PTE LTDsaint7i.com HQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 13 contacts → |
“SAINT7 International Pte Ltd established in 2010, provides total security solutions for clients in the commercial, industrial, residential, governmental and security industry…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Acestes PTE LTDacestes.sgHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 11 contacts → |
“Acestes Pte Ltd was established in 2014 with a clear business mission: to create a safer and better world through our range of security and investigation services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gomobile Security Solutions PTE LTDgomobile.com.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 9 contacts → |
“GoMobile Security Solutions strives to be a premier Security Solutions Provider in Singapore and the region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cyber Sense Technologies PTE LTDcybersense-tech.comHQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 9 contacts → |
“At Cyber Sense Technologies, we take pride in providing the utmost attention to our clients’ needs, providing them with bespoke and premium services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Tosba Technologies Pte. LTDtosba.techHQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 7 contacts → |
“Tosba Technologies are experts in cybersecurity, and in creating innovative IT solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Securevision PTE LTDsecurevision.com.sg HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 6 contacts → |
“At Securevision, your safety is our top priority.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 113 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Big security companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
112 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 113 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for big security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many big security companies did RevenueBase find based in Singapore?
The saved snapshot records 113 matching company records, 6,471 tracked contacts and 721 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Big security companies by geography
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil
- Big security companies based in Porto Alegre, Brazil
- Big security companies based in Rio De Janeiro, Brazil
- Big security companies based in Sao Paulo, Brazil
- Big security companies based in Calgary, Canada
- Big security companies based in Edmonton, Canada
- Big security companies based in Mississauga, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 big security companies based in Singapore. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-security-companies/singapore.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 big security companies based in Singapore
RevenueBase records 113 matching company records for big security companies based in Singapore, with 6,471 tracked contacts and 721 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 big security companies based in Singapore
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Certiscertisgroup.com HQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 4,610 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AVTELavtelglobal.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 228 contacts → |
“AVTEL specialise in electronic security systems.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ademco Security Groupademcosecurity.com HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 200 contacts → |
“Ademco Security Group is a leading provider of security solutions and services to businesses and governments across Asia.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Apro Asian Protection PTE LTDapro.com.sg HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 138 contacts → |
“APRO has been providing customised security solutions since 1985 to market leaders in their respective industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Security & Risk Solutions PTE LTDsecurity-risksolutions.com HQ: Aljunied, SingaporeReported employees: 1,001-5,000 | Aljunied, Singapore | 1,001-5,000 | Exact match | 127 contacts → |
“Founded in 2006, Security & Risk Solutions Pte Ltd (SRS) is a global security solutions provider that started in Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Securitas Singaporesecuritas-singapore.com HQ: SingaporeReported employees: Not recorded | Singapore | Not recorded | Exact match | 96 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Oneberryoneberry.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 92 contacts → |
“Oneberry Technologies Pte Ltd is a specialist technology and service provider of productivity enabled Security & Surveillance Solutions in Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Pico Guardspicoguards.com.sg HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 88 contacts → |
“One of Singapore's largest physical security company focusing on security consulting, manpower and technology - harnessing these expertise to customize the appropriate physical…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Positkapositka.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 67 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Uniforce Security Services PTE LTDuniforcesecurity.sg HQ: #07-24, SingaporeReported employees: 201-500 | #07-24, Singapore | 201-500 | Exact match | 38 contacts → |
“Uniforce Security Services Pte Ltd is backed up with combined 30 years of experience, specializing in a whole range of professional security services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prospect Protection PTE LTDprospectprotection.net HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 32 contacts → |
“Prospect Protection is licensed by the Singapore Police Force to carry out security outsourcing and investigation services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Secura Group Limitedsecuragroup.com.sg HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 29 contacts → |
“Listed on the Catalist Board of the SGX-ST, Secura Group Limited (“Secura” or the “Company”, and together with its subsidiaries, the “Group”) is one of the leading providers of an…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ABP Groupabpgroup.com HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 24 contacts → |
“ABP Group is Asia’s leading Cybersecurity technology provider focusing on delivering the best-of-breed security solutions for today’s cybersecurity challenges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Infinity Cybersec PTE LTDicyber.com.sg HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 23 contacts → |
“Infinity Cybersec is a Singapore local provider of cybersecurity and Observability services, dedicated to helping organizations protect their digital assets and ensure business…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Security Spectrum Services LLPsss.expert HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 22 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dragnet Smartech Security PTE LTDdragnet.sg HQ: 408868, SingaporeReported employees: 501-1,000 | 408868, Singapore | 501-1,000 | Exact match | 20 contacts → |
“Dragnet Smartech Security Pte Ltd is a security and investigations company based out of 33 Ubi Ave 3,#06-31, 408868, Singapore.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tiger Hong Security Services & Consultants PTE LTDtigerhong.com.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 20 contacts → |
“Tiger Hong Security Services & Consultants Pte.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TRS Group Of Companiestrsforensics.com HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 18 contacts → |
“Since 2017, we have combined deep technical expertise with strong industry insight to deliver practical and strategic recommendations that align with our clients’ operational…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stone Cybersecuritystonecyber.org HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 15 contacts → |
“Stone Cybersecurity is a security firm that has seen rapid growth since the day it opened its doors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Saint 7 International PTE LTDsaint7i.com HQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 13 contacts → |
“SAINT7 International Pte Ltd established in 2010, provides total security solutions for clients in the commercial, industrial, residential, governmental and security industry…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Acestes PTE LTDacestes.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 11 contacts → |
“Acestes Pte Ltd was established in 2014 with a clear business mission: to create a safer and better world through our range of security and investigation services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gomobile Security Solutions PTE LTDgomobile.com.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 9 contacts → |
“GoMobile Security Solutions strives to be a premier Security Solutions Provider in Singapore and the region.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cyber Sense Technologies PTE LTDcybersense-tech.com HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 9 contacts → |
“At Cyber Sense Technologies, we take pride in providing the utmost attention to our clients’ needs, providing them with bespoke and premium services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Tosba Technologies Pte. LTDtosba.tech HQ: SingaporeReported employees: 1-10 | Singapore | 1-10 | Exact match | 7 contacts → |
“Tosba Technologies are experts in cybersecurity, and in creating innovative IT solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Securevision PTE LTDsecurevision.com.sg HQ: SingaporeReported employees: 11-50 | Singapore | 11-50 | Exact match | 6 contacts → |
“At Securevision, your safety is our top priority.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 113 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Big security companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
112 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 113 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for big security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many big security companies did RevenueBase find based in Singapore?
The saved snapshot records 113 matching company records, 6,471 tracked contacts and 721 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Big security companies by geography
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil
- Big security companies based in Porto Alegre, Brazil
- Big security companies based in Rio De Janeiro, Brazil
- Big security companies based in Sao Paulo, Brazil
- Big security companies based in Calgary, Canada
- Big security companies based in Edmonton, Canada
- Big security companies based in Mississauga, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 big security companies based in Singapore. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-security-companies/singapore.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Big security companies based in Brisbane, Australia
- Big security companies based in Melbourne, Australia
- Big security companies based in Perth, Australia
- Big security companies based in Sydney, Australia
- Big security companies based in Belo Horizonte, Brazil
- Big security companies based in Curitiba, Brazil