Company lists · Data refreshed September 2026

Top 25 Network security consultants based in Germany

RevenueBase identified 614 network security consultants headquartered in Germany as of September 2026 and tracks 7,063 professional contacts across them, including 2,833 with verified work emails and 108 with mobile numbers. Berlin is the largest hub.

This list covers network security consultants headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. 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.

How to read this list HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
614Companies
7,063Contacts tracked
2,833Verified emails
108Mobile numbers
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The 25 largest network security consultants based in Germany

Ranked by team size
Top 25 of 614 network security consultants based in Germany, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names network security consultants: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
BCG PlatinionIndirect evidence
Cologne, GermanyHQ checked Sep 5, 20261,001-5,000925

“At BCG Platinion, we leverage our expertise alongside the unique experiences of our teams to accelerate digital transformations for our clients.”

Source: company website · checked Sep 5, 2026
2Essen, GermanyHQ checked Sep 5, 20261,001-5,000623

“secunet – We are the Guardians of Europe's Digital Freedom.”

Source: company website · checked Sep 5, 2026
3
G Data CyberdefenseIndirect evidence
Bochum, GermanyHQ checked Sep 5, 2026501-1,000386

“Progress is our motivation because we are convinced that it will lead us to a successful future – independent of industries, companies and social classes.”

Source: company website · checked Sep 5, 2026
4
T Security - DachIndirect evidence
Bonn, GermanyHQ checked Sep 5, 20261,001-5,000363

“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.”

Source: company website · checked Sep 5, 2026
5
USD AGIndirect evidence
Neu-isenburg, GermanyHQ checked Sep 5, 202651-200130

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

Source: company website · checked Sep 5, 2026
6Berlin, GermanyHQ checked Sep 5, 202651-20081

“Exclusive Networks ist ein globaler Cybersecurity- und Netzwerk-Spezialist, der Partnern und Endkunden über bewährte Vertriebswege und auf der Grundlage des technischen Know-hows…”

Source: company website · checked Sep 5, 2026
7
R-Tec IT Security GmbhPartial evidence
Wuppertal, GermanyHQ checked Sep 5, 202651-20079

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

Source: company website · checked Sep 5, 2026
8
Secuinfra GmbhIndirect evidence
Berlin, GermanyHQ checked Sep 5, 202651-20073

“SECUINFRA, expert and partner for cyber defense, has specialized in the detection, analysis and defense against cyber attacks since 2010.”

Source: company website · checked Sep 5, 2026
9
Ditis SystemePartial evidence
Ulm, GermanyHQ checked Sep 5, 202651-20069

“ditis - The Security Company!”

Source: company website · checked Sep 5, 2026
10
Syss GmbhIndirect evidence
Tübingen, GermanyHQ checked Sep 5, 202651-20069

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

Source: company website · checked Sep 5, 2026
11Bonn, GermanyHQ checked Sep 5, 202651-20067

“SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.”

Source: company website · checked Sep 5, 2026
12
Indevis GmbhPartial evidence
Munich, GermanyHQ checked Sep 5, 202651-20065

“indevis GmbH tritt seit März 2026 unter der neuen Marke Argos Security GmbH auf.”

Source: company website · checked Sep 5, 2026
13
Mispa Technologies GmbhPartial evidence
Langenfeld (rheinland), GermanyHQ checked Sep 5, 202651-20063

“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…”

Source: company website · checked Sep 5, 2026
14
Trusteq GmbhIndirect evidence
München, GermanyHQ checked Sep 5, 202651-20061

“TRUSTEQ GmbH bietet Beratungsleistungen mit Fokus auf AI, Cybersecurity, Data & Tech Transformation und Cloud an - ACDC!”

Source: company website · checked Sep 5, 2026
15Düsseldorf, GermanyHQ checked Sep 5, 202651-20054

“water is a cybersecurity company that provides holistic IT security solutions to keep your business safe.”

Source: company website · checked Sep 5, 2026
16
ConcentradeIndirect evidence
Dortmund, GermanyHQ checked Sep 5, 202651-20052

“Just stronger Cybersecurity - Bestmöglichen Schutz vor Cyberangriffen aufzubauen und auf hohem Niveau zu halten, ist Kernkompetenz der concentrade.”

Source: company website · checked Sep 5, 2026
17
Medialine SecurityPartial evidence
Stuttgart, GermanyHQ checked Sep 5, 202651-20051

“Medialine Security – 360° Cyber Security Expertise Innerhalb der Medialine Group sind wir das Competence Center für Cybersicherheit.”

Source: company website · checked Sep 5, 2026
18
CMS It-Consulting GmbhPartial evidence
Neukeferloh, GermanyHQ checked Sep 5, 202651-20049

Networks are the backbone of modern organizations.”

Source: company website · checked Sep 5, 2026
19
Prosec GmbhIndirect evidence
Mendig, GermanyHQ checked Sep 5, 202651-20049

“ProSec GmbH verwandelt Unternehmen in digitale Festungen.”

Source: company website · checked Sep 5, 2026
20
Hvs-ConsultingPartial evidence
Garching, GermanyHQ checked Sep 5, 202651-20046

“HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.”

Source: company website · checked Sep 5, 2026
21Nuremberg, GermanyHQ checked Sep 5, 202651-20045

“ForeNova helps Small and Medium Enterprises leverage existing cyber security solutions to improve the detection of hidden security threats with greater speed and precision.”

Source: company website · checked Sep 5, 2026
22
BDO Cyber Security GmbhPartial evidence
Hamburg, GermanyHQ checked Sep 5, 202651-20040

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

Source: company website · checked Sep 5, 2026
23
Consecur GmbhPartial evidence
Meppen, GermanyHQ checked Sep 5, 202651-20039

“As IT security company we protect your electronical stored data against cyber attacks.”

Source: company website · checked Sep 5, 2026
24
Admeritia GmbhPartial evidence
Langenfeld, GermanyHQ checked Sep 5, 202611-5037

“As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.”

Source: company website · checked Sep 5, 2026
25
Trufflepig ForensicsIndirect evidence
Wolnzach, GermanyHQ checked Sep 5, 202651-20037

“Ihr SOC-Partner im DACH-Mittelstand.”

Source: company website · checked Sep 5, 2026

Showing 25 of 614 network security consultants based in Germany

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Network security consultants based in Germany at a glance

As of Sep 5, 2026
1-10Median size (employees)
BerlinLargest hub · 56 HQs
108Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
360
11-50
196
51-200
43
201-500
7
501-1,000
3
1,001-5,000
3

Verified emails by last verification

0–30
2,644
31–60
174
61–90
1
90–180
0
180+
14

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among network security consultants, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in Germany whose own description of what they do matches “network security consultants”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among network security consultants, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,833 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Network security consultants by metro

  • Network security consultants in Berlin56
  • Network security consultants in Munich27

Frequently asked

How many network security consultants are there based in Germany?

RevenueBase identified 614 network security consultants headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

BCG Platinion, headquartered in Cologne, tops this list with the largest team on record.

Which city has the most network security consultants?

Berlin leads with 56 headquartered companies, followed by Munich (27) and Koln (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,833 verified decision-maker contacts tracked across these 614 companies.

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.

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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.