Company lists · Data refreshed November 2026

Top 23 Network security consultants based in Germany

RevenueBase identified 317 company matches for network security consultants associated with Germany as of November 2026 and tracks 3,801 professional contacts across them, including 1,635 with verified work emails. Berlin is the largest hub.

This list covers company matches for network security consultants associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
317Companies
3,801Contacts tracked
1,635Verified emails
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The 23 largest network security consultants based in Germany

Ranked by team size
Top 23 of 317 company matches for network security consultants based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBochum, GermanyHQ recorded Nov 5, 2026501-1,000392 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 · Nov 5, 2026 · View company records in RevenueBase
2Exact matchNeu-isenburg, GermanyHQ recorded Nov 5, 202651-200134 contacts →

Exact match

“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchWuppertal, GermanyHQ recorded Nov 5, 202651-20084 contacts →

Exact match

“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchTübingen, GermanyHQ recorded Nov 5, 202651-20077 contacts →

Exact match

“Die SySS GmbH ist ein herstellerunabhängiger IT-Sicherheitsdienstleister und führender Anbieter für Penetrationstests in der DACH-Region.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchLangenfeld (rheinland), GermanyHQ recorded Nov 5, 202651-20073 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 · Nov 5, 2026 · View company records in RevenueBase
6Exact matchUlm, GermanyHQ recorded Nov 5, 202651-20071 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBonn, GermanyHQ recorded Nov 5, 202651-20070 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 · Nov 5, 2026 · View company records in RevenueBase
8Exact matchStuttgart, GermanyHQ recorded Nov 5, 202651-20057 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 · Nov 5, 2026 · View company records in RevenueBase
9Exact matchDortmund, GermanyHQ recorded Nov 5, 202651-20055 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 · Nov 5, 2026 · View company records in RevenueBase
10Exact matchNeukeferloh, GermanyHQ recorded Nov 5, 202651-20050 contacts →

Exact match

“Networks are the backbone of modern organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchGarching, GermanyHQ recorded Nov 5, 202651-20047 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 · Nov 5, 2026 · View company records in RevenueBase
12Exact matchWolnzach, GermanyHQ recorded Nov 5, 202651-20046 contacts →

Exact match

“Ihr SOC-Partner im DACH-Mittelstand.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchLangenfeld, GermanyHQ recorded Nov 5, 202611-5045 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact matchHamburg, GermanyHQ recorded Nov 5, 202651-20043 contacts →

Exact match

“BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAugsburg, GermanyHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchDüsseldorf, GermanyHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“CLOUDYRION is a start-up for IT security consulting from Düsseldorf.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchHeidelberg, GermanyHQ recorded Nov 5, 202611-5034 contacts →

Exact match

“ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAltenstadt, GermanyHQ recorded Nov 5, 202611-5033 contacts →

Exact match

“nscon steht für exzellente Expertise in den Bereichen Network, Security, Automatisierung und DevOps.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchKötz, GermanyHQ recorded Nov 5, 202611-5026 contacts →

Exact match

“Die esko-systems GmbH betreut Mittelstands- und Industriekunden in allen Fragen der IT-Sicherheit.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBayern, GermanyHQ recorded Nov 5, 202651-20024 contacts →

Exact match

“link protect GmbH is an information technology and services company based out of Münchner Straße 92, Kirchseeon, Bavaria, Germany.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchUlm, GermanyHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“SCHUTZWERK GmbH is an international IT security consultancy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchUnterhaching, GermanyHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Protection with Passion Seit über 20 Jahren entwickeln und implementieren wir Sicherheitsstrategien, die den Unternehmenserfolg unserer Kunden in den Mittelpunkt stellen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLangen, GermanyHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Das Leistungsspektrum der BRISTOL GROUP reicht von der Beratung über die Konzeption, Implementierung und Integration von Software- und Hardware-Lösungen bis hin zu Schulung und…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 23 of 317 network security consultants based in Germany

See the full list, filter by size, metro and specialty, and access 1,635 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network security consultants based in Germany at a glance

As of Nov 5, 2026
43.0%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
8.2%Largest-city concentration · Berlin
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
184
11-50
109
51-200
19
201-500
2
501-1,000
1

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 317 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 “network security consultants” 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 1,635 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Network security consultants 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network security consultants are there based in Germany?

RevenueBase identified 317 company matches for network security consultants associated with Germany as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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 network security consultants?

Berlin leads with 26 company records, followed by Munich (24) and Hamburg (15).

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 1,635 professional contacts with verified work emails tracked across these 317 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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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.