Company lists · Data refreshed September 2026
Top 25 Penetration testing firms based in Germany
RevenueBase identified 287 company matches for penetration testing firms associated with Germany as of September 2026 and tracks 3,310 professional contacts across them, including 1,291 with verified work emails. Berlin is the largest hub.
This list covers company matches for penetration testing firms 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 September 20, 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 penetration testing firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 386 contacts → | ||||
Exact match “Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 363 contacts → | ||||
Exact match “Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 130 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 111 contacts → | ||||
Exact match “TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 79 contacts → | ||||
Exact match “r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 69 contacts → | ||||
Exact match “ditis - The Security Company!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 69 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 49 contacts → | ||||
Exact match “ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 38 contacts → | ||||
Exact match “We are a specialized company focusing on information security, carrying out penetration tests, supporting our customers with incident response und advising them on information and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 37 contacts → | ||||
Exact match “Ihr SOC-Partner im DACH-Mittelstand.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “Wir sind die Com-Sys!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 32 contacts → | ||||
Exact match “CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 32 contacts → | ||||
Exact match “ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 31 contacts → | ||||
Exact match “ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 28 contacts → | ||||
Exact match “Simplifying Your Security Journey Welcome to mgm security partners GmbH – your reliable partner for simple and effective IT security solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “microCAT ist ein führender Full-Service-Provider für IT-Produkte und -Dienstleistungen mit einem klaren Fokus auf IT-Security.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “CODE WHITE is specialized in high-end red teaming, continuous attack surface management and threat intelligence since 2014.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 22 contacts → | ||||
Exact match “Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 21 contacts → | ||||
Exact match “We are a cyber security company based in Gelsenkirchen, Germany.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 21 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 19 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “SCHUTZWERK GmbH is an international IT security consultancy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 18 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 · Sep 20, 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 “penetration testing 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 287 penetration testing firms based in Germany
See the full list, filter by size, metro and specialty, and access 1,291 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Penetration testing firms based in Germany at a glance
As of Sep 20, 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 287 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 “penetration testing 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 1,291 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 20, 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 “penetration testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many penetration testing firms are there based in Germany?
RevenueBase identified 287 company matches for penetration testing firms associated with Germany 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?
G Data Cyberdefense tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most penetration testing firms?
Berlin leads with 32 company records, followed by Munich (25) and Frankfurt (11).
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 1,291 professional contacts with verified work emails tracked across these 287 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 287 penetration testing firms based in Germany. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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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- New lists
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Company intelligence · public preview
Top 25 penetration testing firms 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 287 matching company records for penetration testing firms based in Germany, with 3,310 tracked contacts and 1,291 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 20, 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 penetration testing firms 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 |  G Data Cyberdefensegdata.deHQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  T Security - Dachsecurity.telekom.deHQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  USD AGusd.deHQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TÜV Informationstechnik Gmbhtuvit.deHQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 111 contacts → |
“TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  R-Tec IT Security Gmbhr-tec.netHQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 79 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ditis Systemeditis.deHQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 69 contacts → |
“ditis - The Security Company!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Syss Gmbhsyss.deHQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 69 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Prosec Gmbhprosec-networks.comHQ: Mendig, GermanyReported employees: 51-200 | Mendig, Germany | 51-200 | Exact match | 49 contacts → |
“ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Hvs-Consultinghvs-consulting.deHQ: Garching, GermanyReported employees: 51-200 | Garching, Germany | 51-200 | Exact match | 46 contacts → |
“HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  BDO Cyber Security Gmbhbdosecurity.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cirosec Gmbhcirosec.deHQ: Heilbronn, GermanyReported employees: 51-200 | Heilbronn, Germany | 51-200 | Exact match | 38 contacts → |
“We are a specialized company focusing on information security, carrying out penetration tests, supporting our customers with incident response und advising them on information and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Trufflepig Forensicstrufflepig-forensics.comHQ: Wolnzach, GermanyReported employees: 51-200 | Wolnzach, Germany | 51-200 | Exact match | 37 contacts → |
“Ihr SOC-Partner im DACH-Mittelstand.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Communication Systems Gmbhcom-sys.de HQ: Neu-Isenburg, GermanyReported employees: 51-200 | Neu-Isenburg, Germany | 51-200 | Exact match | 34 contacts → |
“Wir sind die Com-Sys!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cloudyrioncloudyrion.comHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 32 contacts → |
“CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ernw Enno REY Netzwerke Gmbhernw.deHQ: Heidelberg, GermanyReported employees: 11-50 | Heidelberg, Germany | 11-50 | Exact match | 32 contacts → |
“ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ausecus Gmbhausecus.comHQ: Augsburg, GermanyReported employees: 11-50 | Augsburg, Germany | 11-50 | Exact match | 31 contacts → |
“ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  MGM Security Partners Gmbhmgm-sp.comHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 28 contacts → |
“Simplifying Your Security Journey Welcome to mgm security partners GmbH – your reliable partner for simple and effective IT security solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Microcat Gmbhmicrocat.deHQ: Martinsried, GermanyReported employees: 51-200 | Martinsried, Germany | 51-200 | Exact match | 26 contacts → |
“microCAT ist ein führender Full-Service-Provider für IT-Produkte und -Dienstleistungen mit einem klaren Fokus auf IT-Security.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Code White Gmbhcode-white.comHQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 24 contacts → |
“CODE WHITE is specialized in high-end red teaming, continuous attack surface management and threat intelligence since 2014.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Enbw Cyber Security Gmbhenbw.comHQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 22 contacts → |
“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Aware7 Gmbha7.deHQ: Gelsenkirchen, GermanyReported employees: 11-50 | Gelsenkirchen, Germany | 11-50 | Exact match | 21 contacts → |
“We are a cyber security company based in Gelsenkirchen, Germany.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sedevo IT Consulting Gmbhsedevo.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 21 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Link Protect Gmbhlinkprotect.deHQ: Bayern, GermanyReported employees: 51-200 | Bayern, Germany | 51-200 | Exact match | 19 contacts → |
“link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Schutzwerk Gmbhschutzwerk.comHQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 19 contacts → |
“SCHUTZWERK GmbH is an international IT security consultancy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cure53cure53.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 18 contacts → |
“Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 287 company matches
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Penetration testing firms: dataset insights
September 20, 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
287 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.
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 287 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 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 penetration testing 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 penetration testing firms did RevenueBase find based in Germany?
The saved snapshot records 287 matching company records, 3,310 tracked contacts and 1,291 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 20, 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 penetration testing firms based in Germany. Snapshot: September 20, 2026. https://revenuebase.ai/companies/penetration-testing-firms/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
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- Lists A-Z
- New lists
- Penetration testing firms based in Brisbane, Australia
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Company intelligence · public preview
Top 25 penetration testing firms based in Germany
RevenueBase records 287 matching company records for penetration testing firms based in Germany, with 3,310 tracked contacts and 1,291 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 20, 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 penetration testing firms 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 | G Data Cyberdefensegdata.de HQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 386 contacts → |
“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | T Security - Dachsecurity.telekom.de HQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | USD AGusd.de HQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TÜV Informationstechnik Gmbhtuvit.de HQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 111 contacts → |
“TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | R-Tec IT Security Gmbhr-tec.net HQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 79 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ditis Systemeditis.de HQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 69 contacts → |
“ditis - The Security Company!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Syss Gmbhsyss.de HQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 69 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Prosec Gmbhprosec-networks.com HQ: Mendig, GermanyReported employees: 51-200 | Mendig, Germany | 51-200 | Exact match | 49 contacts → |
“ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Hvs-Consultinghvs-consulting.de HQ: Garching, GermanyReported employees: 51-200 | Garching, Germany | 51-200 | Exact match | 46 contacts → |
“HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | BDO Cyber Security Gmbhbdosecurity.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cirosec Gmbhcirosec.de HQ: Heilbronn, GermanyReported employees: 51-200 | Heilbronn, Germany | 51-200 | Exact match | 38 contacts → |
“We are a specialized company focusing on information security, carrying out penetration tests, supporting our customers with incident response und advising them on information and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Trufflepig Forensicstrufflepig-forensics.com HQ: Wolnzach, GermanyReported employees: 51-200 | Wolnzach, Germany | 51-200 | Exact match | 37 contacts → |
“Ihr SOC-Partner im DACH-Mittelstand.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Communication Systems Gmbhcom-sys.de HQ: Neu-Isenburg, GermanyReported employees: 51-200 | Neu-Isenburg, Germany | 51-200 | Exact match | 34 contacts → |
“Wir sind die Com-Sys!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cloudyrioncloudyrion.com HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 32 contacts → |
“CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ernw Enno REY Netzwerke Gmbhernw.de HQ: Heidelberg, GermanyReported employees: 11-50 | Heidelberg, Germany | 11-50 | Exact match | 32 contacts → |
“ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ausecus Gmbhausecus.com HQ: Augsburg, GermanyReported employees: 11-50 | Augsburg, Germany | 11-50 | Exact match | 31 contacts → |
“ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | MGM Security Partners Gmbhmgm-sp.com HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 28 contacts → |
“Simplifying Your Security Journey Welcome to mgm security partners GmbH – your reliable partner for simple and effective IT security solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Microcat Gmbhmicrocat.de HQ: Martinsried, GermanyReported employees: 51-200 | Martinsried, Germany | 51-200 | Exact match | 26 contacts → |
“microCAT ist ein führender Full-Service-Provider für IT-Produkte und -Dienstleistungen mit einem klaren Fokus auf IT-Security.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Code White Gmbhcode-white.com HQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 24 contacts → |
“CODE WHITE is specialized in high-end red teaming, continuous attack surface management and threat intelligence since 2014.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Enbw Cyber Security Gmbhenbw.com HQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 22 contacts → |
“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Aware7 Gmbha7.de HQ: Gelsenkirchen, GermanyReported employees: 11-50 | Gelsenkirchen, Germany | 11-50 | Exact match | 21 contacts → |
“We are a cyber security company based in Gelsenkirchen, Germany.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sedevo IT Consulting Gmbhsedevo.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 21 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Link Protect Gmbhlinkprotect.de HQ: Bayern, GermanyReported employees: 51-200 | Bayern, Germany | 51-200 | Exact match | 19 contacts → |
“link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Schutzwerk Gmbhschutzwerk.com HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 19 contacts → |
“SCHUTZWERK GmbH is an international IT security consultancy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cure53cure53.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 18 contacts → |
“Cure53 offers classic black-box penetration tests (zero-knowledge) as well as white-box tests and code audits.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 287 company matches
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Penetration testing firms: dataset insights
September 20, 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
287 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.
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 287 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 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 penetration testing 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 penetration testing firms did RevenueBase find based in Germany?
The saved snapshot records 287 matching company records, 3,310 tracked contacts and 1,291 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 20, 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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Cite this list
RevenueBase Data Team. Top 25 penetration testing firms based in Germany. Snapshot: September 20, 2026. https://revenuebase.ai/companies/penetration-testing-firms/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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