Company lists · Data refreshed September 2026
Top 25 Network security consulting firms based in Germany
RevenueBase identified 561 company matches for network security consulting firms associated with Germany as of September 2026 and tracks 5,550 professional contacts across them, including 1,988 with verified work emails and 63 with mobile numbers. Berlin is the largest hub.
This list covers company matches for network security consulting 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 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 network security consulting firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 623 contacts → | ||||
Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 2 | 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 5, 2026 · View company records in RevenueBase | |||||
| 3 | 363 contacts → | ||||
Exact match “Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 4 | 130 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Sep 5, 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 5, 2026 · View company records in RevenueBase | |||||
| 6 | 69 contacts → | ||||
Exact match “ditis - The Security Company!” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 7 | 67 contacts → | ||||
Exact match “SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 8 | 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 5, 2026 · View company records in RevenueBase | |||||
| 9 | 54 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 5, 2026 · View company records in RevenueBase | |||||
| 10 | 52 contacts → | ||||
Exact match “Just stronger Cybersecurity - Bestmöglichen Schutz vor Cyberangriffen aufzubauen und auf hohem Niveau zu halten, ist Kernkompetenz der concentrade.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 11 | 51 contacts → | ||||
Exact match “Medialine Security – 360° Cyber Security Expertise Innerhalb der Medialine Group sind wir das Competence Center für Cybersicherheit.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 12 | 49 contacts → | ||||
Exact match “Networks are the backbone of modern organizations.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 13 | 49 contacts → | ||||
Exact match “ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 14 | 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 5, 2026 · View company records in RevenueBase | |||||
| 15 | 40 contacts → | ||||
Exact match “Wir von B.I.N.S.S.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 16 | 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 5, 2026 · View company records in RevenueBase | |||||
| 17 | 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 5, 2026 · View company records in RevenueBase | |||||
| 18 | 37 contacts → | ||||
Exact match “As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 19 | 37 contacts → | ||||
Exact match “Ihr SOC-Partner im DACH-Mittelstand.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 20 | 34 contacts → | ||||
Exact match “Wir sind die Com-Sys!” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 21 | 34 contacts → | ||||
Exact match “nscon steht für exzellente Expertise in den Bereichen Network, Security, Automatisierung und DevOps.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 22 | 33 contacts → | ||||
Exact match “Die DGC AG ist ein Unternehmen für All-in-One Cybersicherheitslösungen.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 23 | 32 contacts → | ||||
Exact match “CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 24 | 32 contacts → | ||||
Exact match “ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.” Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase | |||||
| 25 | 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 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 “network security consulting 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 561 network security consulting firms based in Germany
See the full list, filter by size, metro and specialty, and access 1,988 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Network security consulting firms based in Germany at a glance
As of Sep 5, 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 “network security consulting 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 1,988 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 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.
Network security consulting firms 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 “network security consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many network security consulting firms are there based in Germany?
RevenueBase identified 561 company matches for network security consulting 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?
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 network security consulting firms?
Berlin leads with 43 company records, followed by Munich (35) and Cologne (23).
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 1,988 professional contacts with verified work emails tracked across these 561 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 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 561 network security consulting firms based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Network security consulting firms by geography
- Network security consulting firms based in the United States
- Network security consulting firms based in the United Kingdom
- Network security consulting firms based in France
- Network security consulting firms based in Canada
- Network security consulting firms based in Brazil
- Network security consulting firms based in Australia
- Network security consulting firms based in the Netherlands
- Network security consulting firms based in Spain
- Network security consulting firms based in Italy
- Network security consulting firms based in Mexico
- Network security consulting firms based in South Africa
- Network security consulting firms based in Switzerland
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Network security consulting firms based in the United States
- Network security consulting firms based in the United Kingdom
- Network security consulting firms based in France
- Network security consulting firms based in Canada
- Network security consulting firms based in Brazil
- Network security consulting firms based in Australia
Company intelligence · public preview
Top 25 network security consulting 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 561 matching company records for network security consulting firms based in Germany, with 5,550 tracked contacts and 1,988 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 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 network security consulting 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 |  Secunet Security Networks AGsecunet.comHQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 5, 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 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 5, 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 | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 5, 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 5, 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  SRC Security Research And Consulting Gmbhsrc-gmbh.deHQ: Bonn, GermanyReported employees: 51-200 | Bonn, Germany | 51-200 | Exact match | 67 contacts → |
“SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Water IT Security & Defensewater-security.deHQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 54 contacts → |
“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Concentradeconcentrade.deHQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 52 contacts → |
“Just stronger Cybersecurity - Bestmöglichen Schutz vor Cyberangriffen aufzubauen und auf hohem Niveau zu halten, ist Kernkompetenz der concentrade.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Medialine Securitymedialine.comHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 51 contacts → |
“Medialine Security – 360° Cyber Security Expertise Innerhalb der Medialine Group sind wir das Competence Center für Cybersicherheit.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CMS It-Consulting Gmbhcms-it.deHQ: Neukeferloh, GermanyReported employees: 51-200 | Neukeferloh, Germany | 51-200 | Exact match | 49 contacts → |
“Networks are the backbone of modern organizations.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 40 contacts → |
“Wir von B.I.N.S.S.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Admeritia Gmbhadmeritia.deHQ: Langenfeld, GermanyReported employees: 11-50 | Langenfeld, Germany | 11-50 | Exact match | 37 contacts → |
“As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Altenstadt, GermanyReported employees: 11-50 | Altenstadt, Germany | 11-50 | Exact match | 34 contacts → |
“nscon steht für exzellente Expertise in den Bereichen Network, Security, Automatisierung und DevOps.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  DGC AGdgc.orgHQ: Flensburg, GermanyReported employees: 51-200 | Flensburg, Germany | 51-200 | Exact match | 33 contacts → |
“Die DGC AG ist ein Unternehmen für All-in-One Cybersicherheitslösungen.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 561 company matches
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Network security consulting firms: dataset insights
September 5, 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
558 records in the displayed employee bands.
3 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 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 ↗
Network security consulting firms by metro
Questions about this company list
What does Exact match mean for network security consulting 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 network security consulting firms did RevenueBase find based in Germany?
The saved snapshot records 561 matching company records, 5,550 tracked contacts and 1,988 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 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
Network security consulting firms by geography
- Network security consulting firms based in the United States
- Network security consulting firms based in the United Kingdom
- Network security consulting firms based in France
- Network security consulting firms based in Canada
- Network security consulting firms based in Brazil
- Network security consulting firms based in Australia
- Network security consulting firms based in the Netherlands
- Network security consulting firms based in Spain
- Network security consulting firms based in Italy
- Network security consulting firms based in Mexico
- Network security consulting firms based in South Africa
- Network security consulting firms based in Switzerland
Cite this list
RevenueBase Data Team. Top 25 network security consulting firms based in Germany. Snapshot: September 5, 2026. https://revenuebase.ai/companies/network-security-consulting-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
- Lists by location
- Lists A-Z
- New lists
- Network security consulting firms based in the United States
- Network security consulting firms based in the United Kingdom
- Network security consulting firms based in France
- Network security consulting firms based in Canada
- Network security consulting firms based in Brazil
- Network security consulting firms based in Australia
Company intelligence · public preview
Top 25 network security consulting firms based in Germany
RevenueBase records 561 matching company records for network security consulting firms based in Germany, with 5,550 tracked contacts and 1,988 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 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 network security consulting 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 | Secunet Security Networks AGsecunet.com HQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 5, 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 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 5, 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 | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 5, 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 5, 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | SRC Security Research And Consulting Gmbhsrc-gmbh.de HQ: Bonn, GermanyReported employees: 51-200 | Bonn, Germany | 51-200 | Exact match | 67 contacts → |
“SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Water IT Security & Defensewater-security.de HQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 54 contacts → |
“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Concentradeconcentrade.de HQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 52 contacts → |
“Just stronger Cybersecurity - Bestmöglichen Schutz vor Cyberangriffen aufzubauen und auf hohem Niveau zu halten, ist Kernkompetenz der concentrade.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Medialine Securitymedialine.com HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 51 contacts → |
“Medialine Security – 360° Cyber Security Expertise Innerhalb der Medialine Group sind wir das Competence Center für Cybersicherheit.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CMS It-Consulting Gmbhcms-it.de HQ: Neukeferloh, GermanyReported employees: 51-200 | Neukeferloh, Germany | 51-200 | Exact match | 49 contacts → |
“Networks are the backbone of modern organizations.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 40 contacts → |
“Wir von B.I.N.S.S.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Admeritia Gmbhadmeritia.de HQ: Langenfeld, GermanyReported employees: 11-50 | Langenfeld, Germany | 11-50 | Exact match | 37 contacts → |
“As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Altenstadt, GermanyReported employees: 11-50 | Altenstadt, Germany | 11-50 | Exact match | 34 contacts → |
“nscon steht für exzellente Expertise in den Bereichen Network, Security, Automatisierung und DevOps.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | DGC AGdgc.org HQ: Flensburg, GermanyReported employees: 51-200 | Flensburg, Germany | 51-200 | Exact match | 33 contacts → |
“Die DGC AG ist ein Unternehmen für All-in-One Cybersicherheitslösungen.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Network security consulting firms: dataset insights
September 5, 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
558 records in the displayed employee bands.
3 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 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 ↗
Network security consulting firms by metro
Questions about this company list
What does Exact match mean for network security consulting 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 network security consulting firms did RevenueBase find based in Germany?
The saved snapshot records 561 matching company records, 5,550 tracked contacts and 1,988 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 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 network security consulting firms based in Germany. Snapshot: September 5, 2026. https://revenuebase.ai/companies/network-security-consulting-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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