Company lists · Data refreshed September 2026
Top 25 Security audit firms based in the Netherlands
RevenueBase identified 148 company matches for security audit firms associated with the Netherlands as of September 2026 and tracks 985 professional contacts across them, including 235 with verified work emails and 53 with mobile numbers. Amsterdam is the largest hub.
This list covers company matches for security audit firms 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 6, 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 security audit firms based in the Netherlands
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 6, 2026 · View company records in RevenueBase | |||||
| 2 | 25 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 6, 2026 · View company records in RevenueBase | |||||
| 3 | 24 contacts → | ||||
Exact match “In the 13 years that InAudit has been in existence, we have grown from a provider of internal audit services into a group that does much more than that.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 23 contacts → | ||||
Exact match “ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 6, 2026 · View company records in RevenueBase | |||||
| 6 | 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 6, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “2-Control is an IT audit organization and offers support in providing insight into and improving the reliability of automated information.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “REQON is gespecialiseerd in het uitvoeren van technische beveiligingsonderzoeken in de vorm van (maatwerk) penetratietesten en exposure onderzoeken.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 6, 2026 · View company records in RevenueBase | |||||
| 10 | 15 contacts → | ||||
Exact match “Argis IT Consultants is your partner in IT Control.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Even when your security is well underpinned, it remains important to remain alert to possible vulnerabilities, to the system's alerting and response capabilities and to the…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Sekurno is a cybersecurity company that provides security services beyond mere compliance.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “Cyber7 Cyber Security Consultancy” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “Cyber Security Challengers (CSC) is uw onafhankelijke cybersecurity expert en dienstverlener.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Hoe vatbaar is jouw organisatie voor hacks?” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Hoek en Blok.IT is de professionele IT dienstverlener van Hoek en Blok.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “Diggle is een jonge, energieke organisatie met ervaren professionals, gericht op IT-audit, data-analyse en cybersecurity.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “Zoeken naar verbinding, en het bieden van totaaloplossingen, dat is waar wij continu mee bezig zijn.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “NetBoss is committed to assisting companies, in the era of a growing number of Artificial Intelligence solutions, to understand potential cybersecurity risks that could directly…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 22 | 6 contacts → | ||||
Exact match “Blueprint Security specialises in manual penetration testing and multiple IT security certification consultancy.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Het internet ontvouwt zich sinds de jaren 90 in razendsnel tempo.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Shellback is an enthusiastic and dedicated team of security specialists based in Weert.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “ThreatLabs specializes in security assessments providing valuable insights in vulnerabilities and weaknesses as well as actionable advise to increase the security posture of IT…” Recorded in the RevenueBase company graph · Sep 6, 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 “security audit firms”. 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 148 security audit firms based in the Netherlands
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Security audit firms based in the Netherlands at a glance
As of Sep 6, 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 “security audit firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 235 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 6, 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 “security audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security audit firms are there based in the Netherlands?
RevenueBase identified 148 company matches for security audit firms 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?
Surelock IT Security Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most security audit firms?
Amsterdam leads with 17 company records, followed by The Hague (8) and Utrecht (6).
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 235 professional contacts with verified work emails tracked across these 148 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 148 security audit firms 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
- All company lists
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- Lists A-Z
- New lists
- Security audit firms based in the United States
- Security audit firms based in the United Kingdom
- Security audit firms based in France
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- Security audit firms based in Germany
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Company intelligence · public preview
Top 25 security audit firms 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 148 matching company records for security audit firms based in the Netherlands, with 985 tracked contacts and 235 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 6, 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 security audit firms 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 |  Surelock IT Security Servicessurelock.nlHQ: 3447gg, NetherlandsReported employees: 11-50 | 3447gg, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  LBVDlbvd.nlHQ: Delft, NetherlandsReported employees: 11-50 | Delft, Netherlands | 11-50 | Exact match | 25 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Inaudit BVinaudit.nlHQ: Leuvenheim, NetherlandsReported employees: 11-50 | Leuvenheim, Netherlands | 11-50 | Exact match | 24 contacts → |
“In the 13 years that InAudit has been in existence, we have grown from a provider of internal audit services into a group that does much more than that.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Threadstone Cyber Securitythreadstone.euHQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 23 contacts → |
“ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Dongitdongit.euHQ: Leiden, NetherlandsReported employees: 11-50 | Leiden, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  2-Control2-control.nlHQ: Breda, NetherlandsReported employees: 11-50 | Breda, Netherlands | 11-50 | Exact match | 18 contacts → |
“2-Control is an IT audit organization and offers support in providing insight into and improving the reliability of automated information.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Reqon B.Vreqon.nlHQ: Leiderdorp, NetherlandsReported employees: 11-50 | Leiderdorp, Netherlands | 11-50 | Exact match | 16 contacts → |
“REQON is gespecialiseerd in het uitvoeren van technische beveiligingsonderzoeken in de vorm van (maatwerk) penetratietesten en exposure onderzoeken.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Argis IT Consultantsargis.nlHQ: Zwolle, NetherlandsReported employees: 1-10 | Zwolle, Netherlands | 1-10 | Exact match | 15 contacts → |
“Argis IT Consultants is your partner in IT Control.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Base Cyber Securitybasecybersecurity.comHQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 14 contacts → |
“Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Bkbo B.Vbkbo.nlHQ: Vlijmen, NetherlandsReported employees: 11-50 | Vlijmen, Netherlands | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Secwatch B.Vsecwatch.nlHQ: Almere, NetherlandsReported employees: 11-50 | Almere, Netherlands | 11-50 | Exact match | 11 contacts → |
“Even when your security is well underpinned, it remains important to remain alert to possible vulnerabilities, to the system's alerting and response capabilities and to the…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sekurno Cybersecuritysekurno.comHQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 11 contacts → |
“Sekurno is a cybersecurity company that provides security services beyond mere compliance.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cyber7cyber7.nlHQ: Capelle Aan Den Ijssel, NetherlandsReported employees: 1-10 | Capelle Aan Den Ijssel, Netherlands | 1-10 | Exact match | 11 contacts → |
“Cyber7 Cyber Security Consultancy” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Cyber Security Challengerscybersecuritychallengers.nlHQ: Abcoude, NetherlandsReported employees: 11-50 | Abcoude, Netherlands | 11-50 | Exact match | 10 contacts → |
“Cyber Security Challengers (CSC) is uw onafhankelijke cybersecurity expert en dienstverlener.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Linksecurelinksecure.nlHQ: Roelofarendsveen, NetherlandsReported employees: 1-10 | Roelofarendsveen, Netherlands | 1-10 | Exact match | 10 contacts → |
“Hoe vatbaar is jouw organisatie voor hacks?” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hoek EN Blok.Ithoekenblok.itHQ: Sliedrecht, NetherlandsReported employees: 51-200 | Sliedrecht, Netherlands | 51-200 | Exact match | 10 contacts → |
“Hoek en Blok.IT is de professionele IT dienstverlener van Hoek en Blok.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Digglediggle-it.nlHQ: Eindhoven, NetherlandsReported employees: 1-10 | Eindhoven, Netherlands | 1-10 | Exact match | 9 contacts → |
“Diggle is een jonge, energieke organisatie met ervaren professionals, gericht op IT-audit, data-analyse en cybersecurity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyber Connects BVcyberconnects.nl HQ: Zoetermeer, NetherlandsReported employees: 1-10 | Zoetermeer, Netherlands | 1-10 | Exact match | 9 contacts → |
“Zoeken naar verbinding, en het bieden van totaaloplossingen, dat is waar wij continu mee bezig zijn.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Netboss BVnetboss.nlHQ: Ijsselstein, NetherlandsReported employees: 11-50 | Ijsselstein, Netherlands | 11-50 | Exact match | 6 contacts → |
“NetBoss is committed to assisting companies, in the era of a growing number of Artificial Intelligence solutions, to understand potential cybersecurity risks that could directly…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Blueprint Cyber Securityblueprintsecurity.nlHQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 6 contacts → |
“Blueprint Security specialises in manual penetration testing and multiple IT security certification consultancy.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cqure Consultingcqureconsulting.nl HQ: Hj, NetherlandsReported employees: 11-50 | Hj, Netherlands | 11-50 | Exact match | 5 contacts → |
“Het internet ontvouwt zich sinds de jaren 90 in razendsnel tempo.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Shellbackshellback.nlHQ: Weert, NetherlandsReported employees: 1-10 | Weert, Netherlands | 1-10 | Exact match | 5 contacts → |
“Shellback is an enthusiastic and dedicated team of security specialists based in Weert.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Threatlabsthreatlabs.euHQ: Utrecht, NetherlandsReported employees: 1-10 | Utrecht, Netherlands | 1-10 | Exact match | 4 contacts → |
“ThreatLabs specializes in security assessments providing valuable insights in vulnerabilities and weaknesses as well as actionable advise to increase the security posture of IT…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 148 company matches
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Security audit firms: dataset insights
September 6, 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
148 records in the displayed employee bands.
0 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 6, 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 security audit firms?
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 security audit firms did RevenueBase find based in the Netherlands?
The saved snapshot records 148 matching company records, 985 tracked contacts and 235 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 6, 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
Security audit firms by geography
- Security audit firms based in the United States
- Security audit firms based in the United Kingdom
- Security audit firms based in France
- Security audit firms based in Canada
- Security audit firms based in Germany
- Security audit firms based in Brazil
- Security audit firms based in Australia
- Security audit firms based in Spain
- Security audit firms based in Poland
- Security audit firms based in South Africa
- Security audit firms based in Switzerland
- Security audit firms based in Italy
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security audit firms based in the Netherlands. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-audit-firms/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
- Security audit firms based in the United States
- Security audit firms based in the United Kingdom
- Security audit firms based in France
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Company intelligence · public preview
Top 25 security audit firms based in the Netherlands
RevenueBase records 148 matching company records for security audit firms based in the Netherlands, with 985 tracked contacts and 235 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 6, 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 security audit firms 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 | Surelock IT Security Servicessurelock.nl HQ: 3447gg, NetherlandsReported employees: 11-50 | 3447gg, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | LBVDlbvd.nl HQ: Delft, NetherlandsReported employees: 11-50 | Delft, Netherlands | 11-50 | Exact match | 25 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Inaudit BVinaudit.nl HQ: Leuvenheim, NetherlandsReported employees: 11-50 | Leuvenheim, Netherlands | 11-50 | Exact match | 24 contacts → |
“In the 13 years that InAudit has been in existence, we have grown from a provider of internal audit services into a group that does much more than that.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Threadstone Cyber Securitythreadstone.eu HQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 23 contacts → |
“ThreadStone is uw toonaangevende specialist op het gebied van cybersecurity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dongitdongit.eu HQ: Leiden, NetherlandsReported employees: 11-50 | Leiden, 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 2-Control2-control.nl HQ: Breda, NetherlandsReported employees: 11-50 | Breda, Netherlands | 11-50 | Exact match | 18 contacts → |
“2-Control is an IT audit organization and offers support in providing insight into and improving the reliability of automated information.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Reqon B.Vreqon.nl HQ: Leiderdorp, NetherlandsReported employees: 11-50 | Leiderdorp, Netherlands | 11-50 | Exact match | 16 contacts → |
“REQON is gespecialiseerd in het uitvoeren van technische beveiligingsonderzoeken in de vorm van (maatwerk) penetratietesten en exposure onderzoeken.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Argis IT Consultantsargis.nl HQ: Zwolle, NetherlandsReported employees: 1-10 | Zwolle, Netherlands | 1-10 | Exact match | 15 contacts → |
“Argis IT Consultants is your partner in IT Control.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Base Cyber Securitybasecybersecurity.com HQ: Rotterdam, NetherlandsReported employees: 11-50 | Rotterdam, Netherlands | 11-50 | Exact match | 14 contacts → |
“Base is a niche consultancy & managed security solutions provider, offering services enabling organizations, and professionals, to build knowledge & capabilities in information…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Bkbo B.Vbkbo.nl HQ: Vlijmen, NetherlandsReported employees: 11-50 | Vlijmen, Netherlands | 11-50 | Exact match | 11 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Secwatch B.Vsecwatch.nl HQ: Almere, NetherlandsReported employees: 11-50 | Almere, Netherlands | 11-50 | Exact match | 11 contacts → |
“Even when your security is well underpinned, it remains important to remain alert to possible vulnerabilities, to the system's alerting and response capabilities and to the…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sekurno Cybersecuritysekurno.com HQ: Amsterdam, NetherlandsReported employees: 1-10 | Amsterdam, Netherlands | 1-10 | Exact match | 11 contacts → |
“Sekurno is a cybersecurity company that provides security services beyond mere compliance.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cyber7cyber7.nl HQ: Capelle Aan Den Ijssel, NetherlandsReported employees: 1-10 | Capelle Aan Den Ijssel, Netherlands | 1-10 | Exact match | 11 contacts → |
“Cyber7 Cyber Security Consultancy” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Cyber Security Challengerscybersecuritychallengers.nl HQ: Abcoude, NetherlandsReported employees: 11-50 | Abcoude, Netherlands | 11-50 | Exact match | 10 contacts → |
“Cyber Security Challengers (CSC) is uw onafhankelijke cybersecurity expert en dienstverlener.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Linksecurelinksecure.nl HQ: Roelofarendsveen, NetherlandsReported employees: 1-10 | Roelofarendsveen, Netherlands | 1-10 | Exact match | 10 contacts → |
“Hoe vatbaar is jouw organisatie voor hacks?” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hoek EN Blok.Ithoekenblok.it HQ: Sliedrecht, NetherlandsReported employees: 51-200 | Sliedrecht, Netherlands | 51-200 | Exact match | 10 contacts → |
“Hoek en Blok.IT is de professionele IT dienstverlener van Hoek en Blok.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Digglediggle-it.nl HQ: Eindhoven, NetherlandsReported employees: 1-10 | Eindhoven, Netherlands | 1-10 | Exact match | 9 contacts → |
“Diggle is een jonge, energieke organisatie met ervaren professionals, gericht op IT-audit, data-analyse en cybersecurity.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cyber Connects BVcyberconnects.nl HQ: Zoetermeer, NetherlandsReported employees: 1-10 | Zoetermeer, Netherlands | 1-10 | Exact match | 9 contacts → |
“Zoeken naar verbinding, en het bieden van totaaloplossingen, dat is waar wij continu mee bezig zijn.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Netboss BVnetboss.nl HQ: Ijsselstein, NetherlandsReported employees: 11-50 | Ijsselstein, Netherlands | 11-50 | Exact match | 6 contacts → |
“NetBoss is committed to assisting companies, in the era of a growing number of Artificial Intelligence solutions, to understand potential cybersecurity risks that could directly…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Blueprint Cyber Securityblueprintsecurity.nl HQ: The Hague, NetherlandsReported employees: 11-50 | The Hague, Netherlands | 11-50 | Exact match | 6 contacts → |
“Blueprint Security specialises in manual penetration testing and multiple IT security certification consultancy.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cqure Consultingcqureconsulting.nl HQ: Hj, NetherlandsReported employees: 11-50 | Hj, Netherlands | 11-50 | Exact match | 5 contacts → |
“Het internet ontvouwt zich sinds de jaren 90 in razendsnel tempo.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Shellbackshellback.nl HQ: Weert, NetherlandsReported employees: 1-10 | Weert, Netherlands | 1-10 | Exact match | 5 contacts → |
“Shellback is an enthusiastic and dedicated team of security specialists based in Weert.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Threatlabsthreatlabs.eu HQ: Utrecht, NetherlandsReported employees: 1-10 | Utrecht, Netherlands | 1-10 | Exact match | 4 contacts → |
“ThreatLabs specializes in security assessments providing valuable insights in vulnerabilities and weaknesses as well as actionable advise to increase the security posture of IT…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Security audit firms: dataset insights
September 6, 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
148 records in the displayed employee bands.
0 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 6, 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 security audit firms?
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 security audit firms did RevenueBase find based in the Netherlands?
The saved snapshot records 148 matching company records, 985 tracked contacts and 235 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 6, 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.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 security audit firms based in the Netherlands. Snapshot: September 6, 2026. https://revenuebase.ai/companies/security-audit-firms/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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