Company lists · Data refreshed November 2026
Top 25 IT security audit services based in Germany
RevenueBase identified 162 company matches for IT security audit services associated with Germany as of November 2026 and tracks 1,079 professional contacts across them, including 466 with verified work emails. Berlin is the largest hub.
This list covers company matches for IT security audit services associated with Germany, 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 November 5, 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 IT security audit services based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 134 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 77 contacts → | ||||
Exact match “Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 71 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 46 contacts → | ||||
Exact match “Ihr SOC-Partner im DACH-Mittelstand.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 34 contacts → | ||||
Exact match “CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “A passionate approach to technology combined with solid digital skills and expertise is our answer to the constant new challenges arising in the world of information technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Die esko-systems GmbH betreut Mittelstands- und Industriekunden in allen Fragen der IT-Sicherheit.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 24 contacts → | ||||
Exact match “link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match “Unser Ziel ist es, für Sie Produkte und Lösungen zu entwickeln, welche gleichzeitig widerstandsfähig gegen Angriffe und Manipulationen sind, um Daten und Prozesse zu schützen.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match “SCHUTZWERK GmbH is an international IT security consultancy.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 19 contacts → | ||||
Exact match “Die Tengelmann Audit GmbH ist eine Prüfungs- und Beratungsgesellschaft mit einem vielfältigen Leistungsportfolio rund um die Themen Datenschutz, IT-Sicherheit und Revision.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 18 contacts → | ||||
Exact match “Independent firm offering innovative solutions for Managed Security, Information Security & Risk, Business Continuity, Certification (ISO & PCI) and Computer Forensics.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match “Cyber Samurai GmbH – Ihr IT-Security Dienstleister im Kampf gegen aktuelle Cyberbedrohungen.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 16 contacts → | ||||
Exact match “Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 14 contacts → | ||||
Exact match “Book.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “Die Phalanx-IT ist ihr Dienstleister für IT-Sicherheit und IT-Forensik!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 13 contacts → | ||||
Exact match “Full-Service-Dienstleiter im Bereich der IT-Security- Wir helfen Ihnen Ihre Herausforderungen in den Griff zu bekommen oder übernehmen diese vollständig für Sie!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 12 contacts → | ||||
Exact match “IT-Sicherheit ist unser Spezialgebiet.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 12 contacts → | ||||
Exact match “Die ANMATHO AG ist Ihr Spezialist für Beratungsleistungen in den Bereichen Informationssicherheit, Datenschutz und Technische Sicherheit.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 12 contacts → | ||||
Exact match “At their core, IT security problems are often quality problems of a different kind that no one else might have noticed.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 11 contacts → | ||||
Exact match “Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 10 contacts → | ||||
Exact match “Infraforce and our partners are here for you 24/7, so your IT team can sleep soundly at night.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 10 contacts → | ||||
Exact match “WALLSEC specializes in penetration testing and security audits for critical enterprise IT.” Recorded in the RevenueBase company graph · Nov 5, 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 audit services”. 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 162 IT security audit services based in Germany
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IT security audit services based in Germany at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 162 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 Germany whose business descriptions match “IT security audit services” 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 466 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 November 5, 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 “IT security audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security audit services are there based in Germany?
RevenueBase identified 162 company matches for IT security audit services associated with Germany as of November 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?
USD AG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT security audit services?
Berlin leads with 15 company records, followed by Munich (8) and Cologne (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 466 professional contacts with verified work emails tracked across these 162 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 162 IT security audit services based in Germany. 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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- IT security audit services based in Paris, France
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Company intelligence · public preview
Top 25 IT security audit services based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 162 matching company records for IT security audit services based in Germany, with 1,079 tracked contacts and 466 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: November 5, 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 IT security audit services based in Germany
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 |  USD AGusd.deHQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 134 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Syss Gmbhsyss.deHQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 77 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ditis Systemeditis.deHQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 71 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Trufflepig Forensicstrufflepig-forensics.comHQ: Wolnzach, GermanyReported employees: 51-200 | Wolnzach, Germany | 51-200 | Exact match | 46 contacts → |
“Ihr SOC-Partner im DACH-Mittelstand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cloudyrioncloudyrion.comHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 34 contacts → |
“CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Computer Manufaktur Gmbhcomputer-manufaktur.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 30 contacts → |
“A passionate approach to technology combined with solid digital skills and expertise is our answer to the constant new challenges arising in the world of information technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Esko-Systems Gmbhesko-systems.deHQ: Kötz, GermanyReported employees: 11-50 | Kötz, Germany | 11-50 | Exact match | 26 contacts → |
“Die esko-systems GmbH betreut Mittelstands- und Industriekunden in allen Fragen der IT-Sicherheit.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Link Protect Gmbhlinkprotect.deHQ: Bayern, GermanyReported employees: 51-200 | Bayern, Germany | 51-200 | Exact match | 24 contacts → |
“link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sedevo IT Consulting Gmbhsedevo.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 22 contacts → |
“Unser Ziel ist es, für Sie Produkte und Lösungen zu entwickeln, welche gleichzeitig widerstandsfähig gegen Angriffe und Manipulationen sind, um Daten und Prozesse zu schützen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Schutzwerk Gmbhschutzwerk.comHQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 22 contacts → |
“SCHUTZWERK GmbH is an international IT security consultancy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  GAI Netconsult Gmbhgai-netconsult.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Tengelmann Audit Gmbht-audit.deHQ: Ratingen, GermanyReported employees: 11-50 | Ratingen, Germany | 11-50 | Exact match | 19 contacts → |
“Die Tengelmann Audit GmbH ist eine Prüfungs- und Beratungsgesellschaft mit einem vielfältigen Leistungsportfolio rund um die Themen Datenschutz, IT-Sicherheit und Revision.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Security Risk Solutionssecurityrisksolutions.netHQ: Steinau, GermanyReported employees: 1-10 | Steinau, Germany | 1-10 | Exact match | 18 contacts → |
“Independent firm offering innovative solutions for Managed Security, Information Security & Risk, Business Continuity, Certification (ISO & PCI) and Computer Forensics.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cyber Samurai Gmbhcyber-samurai.netHQ: Vaterstetten, GermanyReported employees: 11-50 | Vaterstetten, Germany | 11-50 | Exact match | 17 contacts → |
“Cyber Samurai GmbH – Ihr IT-Security Dienstleister im Kampf gegen aktuelle Cyberbedrohungen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cure53cure53.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 16 contacts → |
“Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  OAK Securityoaksecurity.ioHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 14 contacts → |
“Book.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Phalanx-It Gmbhphalanx-it.deHQ: Heilbronn, GermanyReported employees: 11-50 | Heilbronn, Germany | 11-50 | Exact match | 13 contacts → |
“Die Phalanx-IT ist ihr Dienstleister für IT-Sicherheit und IT-Forensik!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Marl, GermanyReported employees: 11-50 | Marl, Germany | 11-50 | Exact match | 13 contacts → |
“Full-Service-Dienstleiter im Bereich der IT-Security- Wir helfen Ihnen Ihre Herausforderungen in den Griff zu bekommen oder übernehmen diese vollständig für Sie!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Whitelisthackerswhitelisthackers.comHQ: Bamberg, GermanyReported employees: 11-50 | Bamberg, Germany | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Priomni AGpriomni.deHQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 12 contacts → |
“IT-Sicherheit ist unser Spezialgebiet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Anmatho AGanmatho.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 12 contacts → |
“Die ANMATHO AG ist Ihr Spezialist für Beratungsleistungen in den Bereichen Informationssicherheit, Datenschutz und Technische Sicherheit.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Kritis & Cyber Gmbhkritis-cyber.deHQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 12 contacts → |
“At their core, IT security problems are often quality problems of a different kind that no one else might have noticed.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Portformance Gmbhportformance.deHQ: Neumarkt In Der Oberpfalz, GermanyReported employees: 11-50 | Neumarkt In Der Oberpfalz, Germany | 11-50 | Exact match | 11 contacts → |
“Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Infraforce Gmbhinfraforce.deHQ: Giessen, GermanyReported employees: 11-50 | Giessen, Germany | 11-50 | Exact match | 10 contacts → |
“Infraforce and our partners are here for you 24/7, so your IT team can sleep soundly at night.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wallsecwallsec.deHQ: Walldorf, GermanyReported employees: 11-50 | Walldorf, Germany | 11-50 | Exact match | 10 contacts → |
“WALLSEC specializes in penetration testing and security audits for critical enterprise IT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 162 company matches
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IT security audit services: dataset insights
November 5, 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
161 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 Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 162 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: November 5, 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 IT security audit services?
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 audit services did RevenueBase find based in Germany?
The saved snapshot records 162 matching company records, 1,079 tracked contacts and 466 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: November 5, 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 audit services by geography
- IT security audit services based in Paris, France
- IT security audit services based in Bangalore, India
- IT security audit services based in Mumbai, India
- IT security audit services based in London, United Kingdom
- IT security audit services based in Australia
- IT security audit services based in Austria
- IT security audit services based in Brazil
- IT security audit services based in Canada
- IT security audit services based in France
- IT security audit services based in India
- IT security audit services based in Italy
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 IT security audit services based in Germany. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-audit-services/germany.
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
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- New lists
- IT security audit services based in Paris, France
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- IT security audit services based in Mumbai, India
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Company intelligence · public preview
Top 25 IT security audit services based in Germany
RevenueBase records 162 matching company records for IT security audit services based in Germany, with 1,079 tracked contacts and 466 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: November 5, 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 IT security audit services based in Germany
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 | USD AGusd.de HQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 134 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Syss Gmbhsyss.de HQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 77 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ditis Systemeditis.de HQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 71 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Trufflepig Forensicstrufflepig-forensics.com HQ: Wolnzach, GermanyReported employees: 51-200 | Wolnzach, Germany | 51-200 | Exact match | 46 contacts → |
“Ihr SOC-Partner im DACH-Mittelstand.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cloudyrioncloudyrion.com HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 34 contacts → |
“CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Computer Manufaktur Gmbhcomputer-manufaktur.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 30 contacts → |
“A passionate approach to technology combined with solid digital skills and expertise is our answer to the constant new challenges arising in the world of information technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Esko-Systems Gmbhesko-systems.de HQ: Kötz, GermanyReported employees: 11-50 | Kötz, Germany | 11-50 | Exact match | 26 contacts → |
“Die esko-systems GmbH betreut Mittelstands- und Industriekunden in allen Fragen der IT-Sicherheit.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Link Protect Gmbhlinkprotect.de HQ: Bayern, GermanyReported employees: 51-200 | Bayern, Germany | 51-200 | Exact match | 24 contacts → |
“link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sedevo IT Consulting Gmbhsedevo.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 22 contacts → |
“Unser Ziel ist es, für Sie Produkte und Lösungen zu entwickeln, welche gleichzeitig widerstandsfähig gegen Angriffe und Manipulationen sind, um Daten und Prozesse zu schützen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Schutzwerk Gmbhschutzwerk.com HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 22 contacts → |
“SCHUTZWERK GmbH is an international IT security consultancy.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GAI Netconsult Gmbhgai-netconsult.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tengelmann Audit Gmbht-audit.de HQ: Ratingen, GermanyReported employees: 11-50 | Ratingen, Germany | 11-50 | Exact match | 19 contacts → |
“Die Tengelmann Audit GmbH ist eine Prüfungs- und Beratungsgesellschaft mit einem vielfältigen Leistungsportfolio rund um die Themen Datenschutz, IT-Sicherheit und Revision.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Security Risk Solutionssecurityrisksolutions.net HQ: Steinau, GermanyReported employees: 1-10 | Steinau, Germany | 1-10 | Exact match | 18 contacts → |
“Independent firm offering innovative solutions for Managed Security, Information Security & Risk, Business Continuity, Certification (ISO & PCI) and Computer Forensics.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cyber Samurai Gmbhcyber-samurai.net HQ: Vaterstetten, GermanyReported employees: 11-50 | Vaterstetten, Germany | 11-50 | Exact match | 17 contacts → |
“Cyber Samurai GmbH – Ihr IT-Security Dienstleister im Kampf gegen aktuelle Cyberbedrohungen.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cure53cure53.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 16 contacts → |
“Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | OAK Securityoaksecurity.io HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 14 contacts → |
“Book.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Phalanx-It Gmbhphalanx-it.de HQ: Heilbronn, GermanyReported employees: 11-50 | Heilbronn, Germany | 11-50 | Exact match | 13 contacts → |
“Die Phalanx-IT ist ihr Dienstleister für IT-Sicherheit und IT-Forensik!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Marl, GermanyReported employees: 11-50 | Marl, Germany | 11-50 | Exact match | 13 contacts → |
“Full-Service-Dienstleiter im Bereich der IT-Security- Wir helfen Ihnen Ihre Herausforderungen in den Griff zu bekommen oder übernehmen diese vollständig für Sie!” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Whitelisthackerswhitelisthackers.com HQ: Bamberg, GermanyReported employees: 11-50 | Bamberg, Germany | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Priomni AGpriomni.de HQ: Aachen, GermanyReported employees: 11-50 | Aachen, Germany | 11-50 | Exact match | 12 contacts → |
“IT-Sicherheit ist unser Spezialgebiet.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Anmatho AGanmatho.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 12 contacts → |
“Die ANMATHO AG ist Ihr Spezialist für Beratungsleistungen in den Bereichen Informationssicherheit, Datenschutz und Technische Sicherheit.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Kritis & Cyber Gmbhkritis-cyber.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 12 contacts → |
“At their core, IT security problems are often quality problems of a different kind that no one else might have noticed.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Portformance Gmbhportformance.de HQ: Neumarkt In Der Oberpfalz, GermanyReported employees: 11-50 | Neumarkt In Der Oberpfalz, Germany | 11-50 | Exact match | 11 contacts → |
“Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Infraforce Gmbhinfraforce.de HQ: Giessen, GermanyReported employees: 11-50 | Giessen, Germany | 11-50 | Exact match | 10 contacts → |
“Infraforce and our partners are here for you 24/7, so your IT team can sleep soundly at night.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wallsecwallsec.de HQ: Walldorf, GermanyReported employees: 11-50 | Walldorf, Germany | 11-50 | Exact match | 10 contacts → |
“WALLSEC specializes in penetration testing and security audits for critical enterprise IT.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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IT security audit services: dataset insights
November 5, 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
161 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 Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 162 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: November 5, 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 IT security audit services?
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 audit services did RevenueBase find based in Germany?
The saved snapshot records 162 matching company records, 1,079 tracked contacts and 466 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: November 5, 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 25 IT security audit services based in Germany. Snapshot: November 5, 2026. https://revenuebase.ai/companies/it-security-audit-services/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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