Company lists · Data refreshed September 2026
Top 24 IT security companies based in the Netherlands
RevenueBase identified 383 company matches for IT security companies associated with the Netherlands as of September 2026 and tracks 22,051 professional contacts across them, including 12,372 with verified work emails and 6,443 with mobile numbers. Amsterdam is the largest hub.
This list covers company matches for IT security companies associated with the Netherlands, 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 4, 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 24 largest IT security companies based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 237 contacts → | ||||
Exact match “Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 2 | 210 contacts → | ||||
Exact match “Eye Security protects small and medium-sized European enterprises from cyber threats and the high costs that follow after a successful attack.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 3 | 153 contacts → | ||||
Exact match “Wij ontwerpen, implementeren en beheren veilige IT-infrastructuur en Cybersecurity Services.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 4 | 106 contacts → | ||||
Exact match “Pinewood te Delft is al 28 jaar de specialist in cybersecurity en voor veel bedrijven en organisaties de one-stop security partner.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 5 | 83 contacts → | ||||
Exact match “ON2IT is a global pure-play cybersecurity service provider.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 6 | 59 contacts → | ||||
Exact match “Nedscaper delivers pragmatic, accessible cybersecurity services across Europe and Africa.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “Hunt & Hackett helps European companies prevent, detect and respond to today’s most advanced adversaries, safeguarding them against cyberthreats and espionage.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 8 | 37 contacts → | ||||
Exact match “Surelock IT Security Services helpt organisatie inzicht te krijgen in de IT-kwetsbaarheden van hun organisatie.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 9 | 28 contacts → | ||||
Exact match “At Nubix, we stand for innovation and top quality in IT solutions.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 10 | 27 contacts → | ||||
Exact match “Tachyon Security BV is based just outside The Hague in the Netherlands.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “Onze missie, visie & strategie Wij willen onze samenleving veiliger maken en dat doen we dankzij de zeer specialistische kennis van onze cybersecurity experts.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 12 | 24 contacts → | ||||
Exact match “LBVD is een Delfts onderzoeks- en adviesbureau gespecialiseerd in digitale veiligheid, cybersecurity (ICT-security) en informatiebeveiliging, met 20+ jaar ervaring.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 13 | 23 contacts → | ||||
Exact match “Founded in 2021 as a member of BrightMarbles Holding group from Rotterdam, Netherlands.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 14 | 23 contacts → | ||||
Exact match “ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 15 | 21 contacts → | ||||
Exact match “PuraSec levert expertise op het gebied van cybersecurity binnen de deelgebieden; mens, beleid en techniek.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match “Digitale veiligheid is van levensbelang voor bedrijven, de maatschappij en de mens.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 17 | 20 contacts → | ||||
Exact match “Want to take your company’s digital security to the next level?” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 18 | 19 contacts → | ||||
Exact match “Bij Securesult richten we ons op het bieden van hoogwaardige informatiebeveiligingsoplossingen voor organisaties van elke omvang.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “DongIT is an independent web security and web development company specializing in penetration testing, secure software development, and custom-built web applications.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “Defenced is the IT security knowledge partner for large and medium-sized organizations.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “Route443 – Uw Cybersecurity Crime Fighters Bij Route443 beschouwen we onszelf als de onverschrokken misdaadbestrijders van het digitale tijdperk.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “Onyx Cyber Security provides a number of services related to the field of IT security.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “At Cyber Seals, we believe in a digital world where you can work, innovate, and grow securely.” Recorded in the RevenueBase company graph · Sep 4, 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 “IT 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 24 of 383 IT security companies based in the Netherlands
See the full list, filter by size, metro and specialty, and access 12,372 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security companies based in the Netherlands at a glance
As of Sep 4, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 the Netherlands whose business descriptions match “IT 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 12,372 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 4, 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.
IT security companies by metro
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 “IT security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security companies are there based in the Netherlands?
RevenueBase identified 383 company matches for IT security companies associated with the Netherlands 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?
Fox-It tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT security companies?
Amsterdam leads with 36 company records, followed by The Hague (17) and Rotterdam (12).
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 12,372 professional contacts with verified work emails tracked across these 383 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 383 IT security companies based in the Netherlands. Start with a free account, no credit card.
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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
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- Lists A-Z
- New lists
- IT security companies based in the United States
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Company intelligence · public preview
Top 24 IT security companies based in the Netherlands
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 383 matching company records for IT security companies based in the Netherlands, with 22,051 tracked contacts and 12,372 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 4, 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 24 IT security companies based in the Netherlands
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 |  Fox-Itfox-it.comHQ: Gk, NetherlandsReported employees: 201-500 | Gk, Netherlands | 201-500 | Exact match | 237 contacts → |
“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  EYE Securityeye.securityHQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 210 contacts → |
“Eye Security protects small and medium-sized European enterprises from cyber threats and the high costs that follow after a successful attack.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Conscia Nederlandconscia.comHQ: Ah, NetherlandsReported employees: 201-500 | Ah, Netherlands | 201-500 | Exact match | 153 contacts → |
“Wij ontwerpen, implementeren en beheren veilige IT-infrastructuur en Cybersecurity Services.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pinewoodpinewood.nlHQ: Xj, NetherlandsReported employees: 51-200 | Xj, Netherlands | 51-200 | Exact match | 106 contacts → |
“Pinewood te Delft is al 28 jaar de specialist in cybersecurity en voor veel bedrijven en organisaties de one-stop security partner.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | On2it Cybersecurityon2it.net HQ: Lj, NetherlandsReported employees: 51-200 | Lj, Netherlands | 51-200 | Exact match | 83 contacts → |
“ON2IT is a global pure-play cybersecurity service provider.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nedscapernedscaper.comHQ: Schiphol, NetherlandsReported employees: 51-200 | Schiphol, Netherlands | 51-200 | Exact match | 59 contacts → |
“Nedscaper delivers pragmatic, accessible cybersecurity services across Europe and Africa.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hunt & Hacketthuntandhackett.comHQ: The Hague, NetherlandsReported employees: 51-200 | The Hague, Netherlands | 51-200 | Exact match | 40 contacts → |
“Hunt & Hackett helps European companies prevent, detect and respond to today’s most advanced adversaries, safeguarding them against cyberthreats and espionage.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Surelock IT Security Servicessurelock.nlHQ: Woerden, NetherlandsReported employees: 11-50 | Woerden, Netherlands | 11-50 | Exact match | 37 contacts → |
“Surelock IT Security Services helpt organisatie inzicht te krijgen in de IT-kwetsbaarheden van hun organisatie.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nubix BVnubix.nlHQ: Haaksbergen, NetherlandsReported employees: 11-50 | Haaksbergen, Netherlands | 11-50 | Exact match | 28 contacts → |
“At Nubix, we stand for innovation and top quality in IT solutions.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Tachyon Security BVtachyonsecurity.comHQ: Rijswijk, NetherlandsReported employees: 11-50 | Rijswijk, Netherlands | 11-50 | Exact match | 27 contacts → |
“Tachyon Security BV is based just outside The Hague in the Netherlands.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Lemonshark Cybersecuritylemonshark.nlHQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 25 contacts → |
“Onze missie, visie & strategie Wij willen onze samenleving veiliger maken en dat doen we dankzij de zeer specialistische kennis van onze cybersecurity experts.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  LBVDlbvd.nlHQ: Delft, NetherlandsReported employees: 11-50 | Delft, Netherlands | 11-50 | Exact match | 24 contacts → |
“LBVD is een Delfts onderzoeks- en adviesbureau gespecialiseerd in digitale veiligheid, cybersecurity (ICT-security) en informatiebeveiliging, met 20+ jaar ervaring.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Un1quelyun1quely.comHQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 23 contacts → |
“Founded in 2021 as a member of BrightMarbles Holding group from Rotterdam, Netherlands.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Threadstone Cyber Securitythreadstone.euHQ: Km, NetherlandsReported employees: 11-50 | Km, Netherlands | 11-50 | Exact match | 23 contacts → |
“ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Purasec B.Vpurasec.nlHQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 21 contacts → |
“PuraSec levert expertise op het gebied van cybersecurity binnen de deelgebieden; mens, beleid en techniek.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  SPLspl.nlHQ: Arnhem, NetherlandsReported employees: 11-50 | Arnhem, Netherlands | 11-50 | Exact match | 20 contacts → |
“Digitale veiligheid is van levensbelang voor bedrijven, de maatschappij en de mens.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Falconforcefalconforce.nlHQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 20 contacts → |
“Want to take your company’s digital security to the next level?” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Securesultsecuresult.nlHQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 19 contacts → |
“Bij Securesult richten we ons op het bieden van hoogwaardige informatiebeveiligingsoplossingen voor organisaties van elke omvang.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  West Consultingwest.nlHQ: Eh, NetherlandsReported employees: 11-50 | Eh, Netherlands | 11-50 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Dongitdongit.euHQ: Xc, NetherlandsReported employees: 11-50 | Xc, Netherlands | 11-50 | Exact match | 18 contacts → |
“DongIT is an independent web security and web development company specializing in penetration testing, secure software development, and custom-built web applications.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Defenced Cyber Securitydefenced.nlHQ: Eindhoven, NetherlandsReported employees: 11-50 | Eindhoven, Netherlands | 11-50 | Exact match | 18 contacts → |
“Defenced is the IT security knowledge partner for large and medium-sized organizations.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Route443route443.euHQ: Heerlen, NetherlandsReported employees: 11-50 | Heerlen, Netherlands | 11-50 | Exact match | 16 contacts → |
“Route443 – Uw Cybersecurity Crime Fighters Bij Route443 beschouwen we onszelf als de onverschrokken misdaadbestrijders van het digitale tijdperk.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Onyx Cybersecurityonyx-cybersecurity.comHQ: Amersfoort, NetherlandsReported employees: 11-50 | Amersfoort, Netherlands | 11-50 | Exact match | 16 contacts → |
“Onyx Cyber Security provides a number of services related to the field of IT security.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cyber Sealscyberseals.nlHQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 15 contacts → |
“At Cyber Seals, we believe in a digital world where you can work, innovate, and grow securely.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 383 company matches
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IT security companies: dataset insights
September 4, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
382 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.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 4, 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 ↗
IT security companies by metro
Questions about this company list
What does Exact match mean for IT 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 IT security companies did RevenueBase find based in the Netherlands?
The saved snapshot records 383 matching company records, 22,051 tracked contacts and 12,372 verified emails. The public preview displays 24 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 4, 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
IT security companies by geography
- IT security companies based in the United States
- IT security companies based in the United Kingdom
- IT security companies based in Brazil
- IT security companies based in Canada
- IT security companies based in France
- IT security companies based in Australia
- IT security companies based in Germany
- IT security companies based in Spain
- IT security companies based in Italy
- IT security companies based in Mexico
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Browse the directory
Cite this list
RevenueBase Data Team. Top 24 IT security companies based in the Netherlands. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-companies/netherlands.
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
- IT security companies based in the United States
- IT security companies based in the United Kingdom
- IT security companies based in Brazil
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- IT security companies based in France
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Company intelligence · public preview
Top 24 IT security companies based in the Netherlands
RevenueBase records 383 matching company records for IT security companies based in the Netherlands, with 22,051 tracked contacts and 12,372 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 4, 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 24 IT security companies based in the Netherlands
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 | Fox-Itfox-it.com HQ: Gk, NetherlandsReported employees: 201-500 | Gk, Netherlands | 201-500 | Exact match | 237 contacts → |
“Fox-IT prevents, solves and mitigates the most serious cyber threats with innovative solutions for government, defense, law enforcement, critical infrastructure, banking, and…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | EYE Securityeye.security HQ: The Hague, NetherlandsReported employees: 201-500 | The Hague, Netherlands | 201-500 | Exact match | 210 contacts → |
“Eye Security protects small and medium-sized European enterprises from cyber threats and the high costs that follow after a successful attack.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Conscia Nederlandconscia.com HQ: Ah, NetherlandsReported employees: 201-500 | Ah, Netherlands | 201-500 | Exact match | 153 contacts → |
“Wij ontwerpen, implementeren en beheren veilige IT-infrastructuur en Cybersecurity Services.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pinewoodpinewood.nl HQ: Xj, NetherlandsReported employees: 51-200 | Xj, Netherlands | 51-200 | Exact match | 106 contacts → |
“Pinewood te Delft is al 28 jaar de specialist in cybersecurity en voor veel bedrijven en organisaties de one-stop security partner.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | On2it Cybersecurityon2it.net HQ: Lj, NetherlandsReported employees: 51-200 | Lj, Netherlands | 51-200 | Exact match | 83 contacts → |
“ON2IT is a global pure-play cybersecurity service provider.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nedscapernedscaper.com HQ: Schiphol, NetherlandsReported employees: 51-200 | Schiphol, Netherlands | 51-200 | Exact match | 59 contacts → |
“Nedscaper delivers pragmatic, accessible cybersecurity services across Europe and Africa.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hunt & Hacketthuntandhackett.com HQ: The Hague, NetherlandsReported employees: 51-200 | The Hague, Netherlands | 51-200 | Exact match | 40 contacts → |
“Hunt & Hackett helps European companies prevent, detect and respond to today’s most advanced adversaries, safeguarding them against cyberthreats and espionage.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Surelock IT Security Servicessurelock.nl HQ: Woerden, NetherlandsReported employees: 11-50 | Woerden, Netherlands | 11-50 | Exact match | 37 contacts → |
“Surelock IT Security Services helpt organisatie inzicht te krijgen in de IT-kwetsbaarheden van hun organisatie.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nubix BVnubix.nl HQ: Haaksbergen, NetherlandsReported employees: 11-50 | Haaksbergen, Netherlands | 11-50 | Exact match | 28 contacts → |
“At Nubix, we stand for innovation and top quality in IT solutions.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tachyon Security BVtachyonsecurity.com HQ: Rijswijk, NetherlandsReported employees: 11-50 | Rijswijk, Netherlands | 11-50 | Exact match | 27 contacts → |
“Tachyon Security BV is based just outside The Hague in the Netherlands.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lemonshark Cybersecuritylemonshark.nl HQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 25 contacts → |
“Onze missie, visie & strategie Wij willen onze samenleving veiliger maken en dat doen we dankzij de zeer specialistische kennis van onze cybersecurity experts.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LBVDlbvd.nl HQ: Delft, NetherlandsReported employees: 11-50 | Delft, Netherlands | 11-50 | Exact match | 24 contacts → |
“LBVD is een Delfts onderzoeks- en adviesbureau gespecialiseerd in digitale veiligheid, cybersecurity (ICT-security) en informatiebeveiliging, met 20+ jaar ervaring.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Un1quelyun1quely.com HQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 23 contacts → |
“Founded in 2021 as a member of BrightMarbles Holding group from Rotterdam, Netherlands.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Threadstone Cyber Securitythreadstone.eu HQ: Km, NetherlandsReported employees: 11-50 | Km, Netherlands | 11-50 | Exact match | 23 contacts → |
“ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Purasec B.Vpurasec.nl HQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 21 contacts → |
“PuraSec levert expertise op het gebied van cybersecurity binnen de deelgebieden; mens, beleid en techniek.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | SPLspl.nl HQ: Arnhem, NetherlandsReported employees: 11-50 | Arnhem, Netherlands | 11-50 | Exact match | 20 contacts → |
“Digitale veiligheid is van levensbelang voor bedrijven, de maatschappij en de mens.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Falconforcefalconforce.nl HQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 20 contacts → |
“Want to take your company’s digital security to the next level?” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Securesultsecuresult.nl HQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 19 contacts → |
“Bij Securesult richten we ons op het bieden van hoogwaardige informatiebeveiligingsoplossingen voor organisaties van elke omvang.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | West Consultingwest.nl HQ: Eh, NetherlandsReported employees: 11-50 | Eh, Netherlands | 11-50 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Dongitdongit.eu HQ: Xc, NetherlandsReported employees: 11-50 | Xc, Netherlands | 11-50 | Exact match | 18 contacts → |
“DongIT is an independent web security and web development company specializing in penetration testing, secure software development, and custom-built web applications.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Defenced Cyber Securitydefenced.nl HQ: Eindhoven, NetherlandsReported employees: 11-50 | Eindhoven, Netherlands | 11-50 | Exact match | 18 contacts → |
“Defenced is the IT security knowledge partner for large and medium-sized organizations.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Route443route443.eu HQ: Heerlen, NetherlandsReported employees: 11-50 | Heerlen, Netherlands | 11-50 | Exact match | 16 contacts → |
“Route443 – Uw Cybersecurity Crime Fighters Bij Route443 beschouwen we onszelf als de onverschrokken misdaadbestrijders van het digitale tijdperk.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Onyx Cybersecurityonyx-cybersecurity.com HQ: Amersfoort, NetherlandsReported employees: 11-50 | Amersfoort, Netherlands | 11-50 | Exact match | 16 contacts → |
“Onyx Cyber Security provides a number of services related to the field of IT security.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cyber Sealscyberseals.nl HQ: Utrecht, NetherlandsReported employees: 11-50 | Utrecht, Netherlands | 11-50 | Exact match | 15 contacts → |
“At Cyber Seals, we believe in a digital world where you can work, innovate, and grow securely.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 383 company matches
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IT security companies: dataset insights
September 4, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
382 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.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 4, 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 ↗
IT security companies by metro
Questions about this company list
What does Exact match mean for IT 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 IT security companies did RevenueBase find based in the Netherlands?
The saved snapshot records 383 matching company records, 22,051 tracked contacts and 12,372 verified emails. The public preview displays 24 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 4, 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.
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Cite this list
RevenueBase Data Team. Top 24 IT security companies based in the Netherlands. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-companies/netherlands.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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