Company lists · Data refreshed September 2026
Top 23 IT security companies based in Germany
RevenueBase identified 580 company matches for IT security companies associated with Germany as of September 2026 and tracks 7,271 professional contacts across them, including 2,336 with verified work emails and 171 with mobile numbers. Berlin is the largest hub.
This list covers company matches for IT security companies 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 4, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 23 largest IT security companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 620 contacts → | ||||
Exact match “secunet – Protecting Digital Infrastructures secunet is Germany’s leading cybersecurity company.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 2 | 389 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 4, 2026 · View company records in RevenueBase | |||||
| 3 | 360 contacts → | ||||
Exact match “We believe in a secure digital future with minimal risk and maximum opportunities.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 4 | 131 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 5 | 128 contacts → | ||||
Exact match “CS VISOR is a leading cyber security education/training center and professional recruitment & IT security service provider, dedicated to- help people in changing their careers to…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 6 | 98 contacts → | ||||
Exact match “Rohde & Schwarz Cybersecurity is a leading IT security company that protects companies and public institutions around the world against cyberattacks.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 7 | 85 contacts → | ||||
Exact match “Exclusive Networks ist ein globaler Cybersecurity- und Netzwerk-Spezialist, der Partnern und Endkunden über bewährte Vertriebswege und auf der Grundlage des technischen Know-hows…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 8 | 83 contacts → | ||||
Exact match “r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 9 | 78 contacts → | ||||
Exact match “8COM is a leading Managed Security Service Provider (MSSP).” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 10 | 71 contacts → | ||||
Exact match “SECUINFRA, expert and partner for cyber defense, has specialized in the detection, analysis and defense against cyber attacks since 2010.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 11 | 70 contacts → | ||||
Exact match “Argos Security zählt zu den führenden Managed Security Service Providern (MSSP) im DACH-Raum und unterstützt den gehobenen Mittelstand, Konzerne und öffentliche Auftraggeber mit…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 12 | 70 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 4, 2026 · View company records in RevenueBase | |||||
| 13 | 68 contacts → | ||||
Exact match “ditis - The Security Company!” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 14 | 65 contacts → | ||||
Exact match “Enginsight ist die praxisnahe und effiziente Cybersecurity Plattform aus Deutschland, für mittelständische Unternehmen, KRITIS und öffentliche Träger.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 15 | 63 contacts → | ||||
Exact match “We, mispa Technologies GmbH, a leading IT security and service provider, deliver consulting, design and managed services to help our customers get the most out of their IT…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 16 | 55 contacts → | ||||
Exact match “water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “The digitized world requires uncompromising IT security to protect organizations, individuals, and services from cyber risks and data loss, ensuring safe digital environments for…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 18 | 51 contacts → | ||||
Exact match “Blaze Information Security is a CREST-accredited penetration testing and offensive security firm, trusted by 300+ organizations across 25+ countries.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 19 | 51 contacts → | ||||
Exact match “Just stronger Cybersecurity - Beratung, Konzeption, Umsetzung und Aufrechterhaltung von Maßnahmen rund um die IT-Security gehört zu unseren Leistungen.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 20 | 51 contacts → | ||||
Exact match “Medialine Security – 360° Cyber Security Expertise Seit über 30 Jahren schützen wir Unternehmen vor Cyberbedrohungen.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 21 | 49 contacts → | ||||
Exact match “ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 22 | 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 4, 2026 · View company records in RevenueBase | |||||
| 23 | 45 contacts → | ||||
Exact match “ForeNova helps Small and Medium Enterprises leverage existing cyber security solutions to improve the detection of hidden security threats with greater speed and precision.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “IT security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 580 IT security companies based in Germany
See the full list, filter by size, metro and specialty, and access 2,336 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT security companies based in Germany at a glance
As of Sep 4, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Germany whose business descriptions match “IT security companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 2,336 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
IT security companies by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security companies are there based in Germany?
RevenueBase identified 580 company matches for IT security companies 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?
Secunet Security Networks 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 companies?
Berlin leads with 54 company records, followed by Munich (40) and Cologne (27).
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 2,336 professional contacts with verified work emails tracked across these 580 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 580 IT security companies 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 companies based in the United States
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Company intelligence · public preview
Top 23 IT security companies 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 580 matching company records for IT security companies based in Germany, with 7,271 tracked contacts and 2,336 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 IT security companies 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 |  Secunet Security Networks AGsecunet.comHQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 620 contacts → |
“secunet – Protecting Digital Infrastructures secunet is Germany’s leading cybersecurity company.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  G Data Cyberdefensegdata.deHQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 389 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Telekom Securitysecurity.telekom.deHQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 360 contacts → |
“We believe in a secure digital future with minimal risk and maximum opportunities.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  USD AGusd.deHQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 131 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  CS Visorcsvisor.deHQ: GermanyReported employees: 11-50 | Germany | 11-50 | Exact match | 128 contacts → |
“CS VISOR is a leading cyber security education/training center and professional recruitment & IT security service provider, dedicated to- help people in changing their careers to…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Rohde & Schwarz Cybersecurityrohde-schwarz.comHQ: Munich, GermanyReported employees: 201-500 | Munich, Germany | 201-500 | Exact match | 98 contacts → |
“Rohde & Schwarz Cybersecurity is a leading IT security company that protects companies and public institutions around the world against cyberattacks.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Exclusive Networks Deutschland Gmbhexclusive-networks.comHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 85 contacts → |
“Exclusive Networks ist ein globaler Cybersecurity- und Netzwerk-Spezialist, der Partnern und Endkunden über bewährte Vertriebswege und auf der Grundlage des technischen Know-hows…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  R-Tec IT Security Gmbhr-tec.netHQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 83 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  8com Gmbh & Co. KG8com.deHQ: Neustadt An Der Weinstrasse, GermanyReported employees: 51-200 | Neustadt An Der Weinstrasse, Germany | 51-200 | Exact match | 78 contacts → |
“8COM is a leading Managed Security Service Provider (MSSP).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Secuinfra Gmbhsecuinfra.comHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 71 contacts → |
“SECUINFRA, expert and partner for cyber defense, has specialized in the detection, analysis and defense against cyber attacks since 2010.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Indevis Gmbhindevis.deHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 70 contacts → |
“Argos Security zählt zu den führenden Managed Security Service Providern (MSSP) im DACH-Raum und unterstützt den gehobenen Mittelstand, Konzerne und öffentliche Auftraggeber mit…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Syss Gmbhsyss.deHQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 70 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ditis Systemeditis.deHQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 68 contacts → |
“ditis - The Security Company!” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Enginsight Gmbhenginsight.comHQ: Jena, GermanyReported employees: 51-200 | Jena, Germany | 51-200 | Exact match | 65 contacts → |
“Enginsight ist die praxisnahe und effiziente Cybersecurity Plattform aus Deutschland, für mittelständische Unternehmen, KRITIS und öffentliche Träger.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mispa Technologies Gmbhmispa.comHQ: Langenfeld Rheinland, GermanyReported employees: 51-200 | Langenfeld Rheinland, Germany | 51-200 | Exact match | 63 contacts → |
“We, mispa Technologies GmbH, a leading IT security and service provider, deliver consulting, design and managed services to help our customers get the most out of their IT…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Water IT Security & Defensewater-security.deHQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 55 contacts → |
“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Drivelock SEdrivelock.comHQ: Muenchen, GermanyReported employees: 51-200 | Muenchen, Germany | 51-200 | Exact match | 52 contacts → |
“The digitized world requires uncompromising IT security to protect organizations, individuals, and services from cyber risks and data loss, ensuring safe digital environments for…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Blaze Information Securityblazeinfosec.comHQ: Worldwide, GermanyReported employees: 51-200 | Worldwide, Germany | 51-200 | Exact match | 51 contacts → |
“Blaze Information Security is a CREST-accredited penetration testing and offensive security firm, trusted by 300+ organizations across 25+ countries.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Concentrade Gmbhconcentrade.deHQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 51 contacts → |
“Just stronger Cybersecurity - Beratung, Konzeption, Umsetzung und Aufrechterhaltung von Maßnahmen rund um die IT-Security gehört zu unseren Leistungen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Medialine Securitymedialine.comHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 51 contacts → |
“Medialine Security – 360° Cyber Security Expertise Seit über 30 Jahren schützen wir Unternehmen vor Cyberbedrohungen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Forenova Technologies Gmbhforenova.deHQ: Nuremberg, GermanyReported employees: 51-200 | Nuremberg, Germany | 51-200 | Exact match | 45 contacts → |
“ForeNova helps Small and Medium Enterprises leverage existing cyber security solutions to improve the detection of hidden security threats with greater speed and precision.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 580 company matches
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IT security companies: dataset insights
September 4, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
571 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT security companies by metro
Questions about this company list
What does Exact match mean for IT security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security companies did RevenueBase find based in Germany?
The saved snapshot records 580 matching company records, 7,271 tracked contacts and 2,336 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT security companies by geography
- IT security companies based in the United States
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- IT security companies based in Brazil
- IT security companies based in Canada
- IT security companies based in France
- IT security companies based in Australia
- IT security companies based in the Netherlands
- IT security companies based in Spain
- IT security companies based in Italy
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Browse the directory
Cite this list
RevenueBase Data Team. Top 23 IT security companies based in Germany. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-companies/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
- Lists A-Z
- New lists
- IT security companies based in the United States
- IT security companies based in the United Kingdom
- IT security companies based in Brazil
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Company intelligence · public preview
Top 23 IT security companies based in Germany
RevenueBase records 580 matching company records for IT security companies based in Germany, with 7,271 tracked contacts and 2,336 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 4, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 23 IT security companies 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 | Secunet Security Networks AGsecunet.com HQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 620 contacts → |
“secunet – Protecting Digital Infrastructures secunet is Germany’s leading cybersecurity company.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | G Data Cyberdefensegdata.de HQ: Bochum, GermanyReported employees: 501-1,000 | Bochum, Germany | 501-1,000 | Exact match | 389 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Telekom Securitysecurity.telekom.de HQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 360 contacts → |
“We believe in a secure digital future with minimal risk and maximum opportunities.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | USD AGusd.de HQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 131 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | CS Visorcsvisor.de HQ: GermanyReported employees: 11-50 | Germany | 11-50 | Exact match | 128 contacts → |
“CS VISOR is a leading cyber security education/training center and professional recruitment & IT security service provider, dedicated to- help people in changing their careers to…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Rohde & Schwarz Cybersecurityrohde-schwarz.com HQ: Munich, GermanyReported employees: 201-500 | Munich, Germany | 201-500 | Exact match | 98 contacts → |
“Rohde & Schwarz Cybersecurity is a leading IT security company that protects companies and public institutions around the world against cyberattacks.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Exclusive Networks Deutschland Gmbhexclusive-networks.com HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 85 contacts → |
“Exclusive Networks ist ein globaler Cybersecurity- und Netzwerk-Spezialist, der Partnern und Endkunden über bewährte Vertriebswege und auf der Grundlage des technischen Know-hows…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | R-Tec IT Security Gmbhr-tec.net HQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 83 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 8com Gmbh & Co. KG8com.de HQ: Neustadt An Der Weinstrasse, GermanyReported employees: 51-200 | Neustadt An Der Weinstrasse, Germany | 51-200 | Exact match | 78 contacts → |
“8COM is a leading Managed Security Service Provider (MSSP).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Secuinfra Gmbhsecuinfra.com HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 71 contacts → |
“SECUINFRA, expert and partner for cyber defense, has specialized in the detection, analysis and defense against cyber attacks since 2010.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Indevis Gmbhindevis.de HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 70 contacts → |
“Argos Security zählt zu den führenden Managed Security Service Providern (MSSP) im DACH-Raum und unterstützt den gehobenen Mittelstand, Konzerne und öffentliche Auftraggeber mit…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Syss Gmbhsyss.de HQ: Tübingen, GermanyReported employees: 51-200 | Tübingen, Germany | 51-200 | Exact match | 70 contacts → |
“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ditis Systemeditis.de HQ: Ulm, GermanyReported employees: 51-200 | Ulm, Germany | 51-200 | Exact match | 68 contacts → |
“ditis - The Security Company!” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Enginsight Gmbhenginsight.com HQ: Jena, GermanyReported employees: 51-200 | Jena, Germany | 51-200 | Exact match | 65 contacts → |
“Enginsight ist die praxisnahe und effiziente Cybersecurity Plattform aus Deutschland, für mittelständische Unternehmen, KRITIS und öffentliche Träger.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mispa Technologies Gmbhmispa.com HQ: Langenfeld Rheinland, GermanyReported employees: 51-200 | Langenfeld Rheinland, Germany | 51-200 | Exact match | 63 contacts → |
“We, mispa Technologies GmbH, a leading IT security and service provider, deliver consulting, design and managed services to help our customers get the most out of their IT…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Water IT Security & Defensewater-security.de HQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 55 contacts → |
“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Drivelock SEdrivelock.com HQ: Muenchen, GermanyReported employees: 51-200 | Muenchen, Germany | 51-200 | Exact match | 52 contacts → |
“The digitized world requires uncompromising IT security to protect organizations, individuals, and services from cyber risks and data loss, ensuring safe digital environments for…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Blaze Information Securityblazeinfosec.com HQ: Worldwide, GermanyReported employees: 51-200 | Worldwide, Germany | 51-200 | Exact match | 51 contacts → |
“Blaze Information Security is a CREST-accredited penetration testing and offensive security firm, trusted by 300+ organizations across 25+ countries.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Concentrade Gmbhconcentrade.de HQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 51 contacts → |
“Just stronger Cybersecurity - Beratung, Konzeption, Umsetzung und Aufrechterhaltung von Maßnahmen rund um die IT-Security gehört zu unseren Leistungen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Medialine Securitymedialine.com HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 51 contacts → |
“Medialine Security – 360° Cyber Security Expertise Seit über 30 Jahren schützen wir Unternehmen vor Cyberbedrohungen.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Forenova Technologies Gmbhforenova.de HQ: Nuremberg, GermanyReported employees: 51-200 | Nuremberg, Germany | 51-200 | Exact match | 45 contacts → |
“ForeNova helps Small and Medium Enterprises leverage existing cyber security solutions to improve the detection of hidden security threats with greater speed and precision.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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IT security companies: dataset insights
September 4, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
571 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 4, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT security companies by metro
Questions about this company list
What does Exact match mean for IT security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT security companies did RevenueBase find based in Germany?
The saved snapshot records 580 matching company records, 7,271 tracked contacts and 2,336 verified emails. The public preview displays 23 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 4, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 23 IT security companies based in Germany. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-companies/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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