Company lists · Data refreshed September 2026

Top 25 Cybersecurity consulting for defense based in Germany

RevenueBase identified 481 cybersecurity consulting for defense headquartered in Germany as of September 2026 and tracks 5,913 professional contacts across them, including 1,870 with verified work emails and 156 with mobile numbers. Berlin is the largest hub.

This list covers cybersecurity consulting for defense 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review
481Companies
5,913Contacts tracked
1,870Verified emails
156Mobile numbers
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The 25 largest cybersecurity consulting for defense based in Germany

Ranked by team size
Top 25 of 481 cybersecurity consulting for defense based in Germany, ranked by team size, largest first. Data refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity consulting for defense: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMunchen, Germany201-500762 contacts →

Indirect evidence

“MTI provides award-winning, end-to-end technology solutions and services in cyber security and data centre for over 35 years.”

Source: RevenueBase Database · checked Sep 1, 2026
2Partial evidenceEssen, Germany1,001-5,000620 contacts →

Partial evidence

“secunet – Protecting Digital Infrastructures secunet is Germany’s leading cybersecurity company.”

Source: RevenueBase Database · checked Sep 1, 2026
3Indirect evidenceBochum, Germany501-1,000389 contacts →

Indirect evidence

“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: RevenueBase Database · checked Sep 1, 2026
4Indirect evidenceBonn, Germany1,001-5,000360 contacts →

Indirect evidence

“We believe in a secure digital future with minimal risk and maximum opportunities.”

Source: RevenueBase Database · checked Sep 1, 2026
5Indirect evidenceNeu-Isenburg, Germany51-200131 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
6Indirect evidenceBochum, Germany201-50098 contacts →

Indirect evidence

“SEC Consult is one of the leading consultancies in the area of cyber and application security.”

Source: RevenueBase Database · checked Sep 1, 2026
7Indirect evidenceWuppertal, Germany51-20083 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
8Indirect evidenceMunich, Germany51-20070 contacts →

Indirect evidence

“Argos Security zählt zu den führenden Managed Security Service Providern (MSSP) im DACH-Raum und unterstützt den gehobenen Mittelstand, Konzerne und öffentliche Auftraggeber mit…”

Source: RevenueBase Database · checked Sep 1, 2026
9Indirect evidenceFrankfurt, Germany51-20070 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
10Partial evidenceBonn, Germany51-20069 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
11Indirect evidenceHeidenheim An Der Brenz, Germany51-20068 contacts →

Indirect evidence

“ditis - The Security Company!”

Source: RevenueBase Database · checked Sep 1, 2026
12Indirect evidenceCologne, Germany51-20064 contacts →

Indirect evidence

“As a cutting-edge technology company, we specialize in delivering state-of-the-art services that empower organizations to thrive in the digital era.”

Source: RevenueBase Database · checked Sep 1, 2026
13Partial evidenceLangenfeld Rheinland, Germany51-20063 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 1, 2026
14Partial evidenceMunchen, Germany51-20059 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
15Partial evidenceDusseldorf, Germany51-20055 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
16Indirect evidenceBerlin, Germany51-20051 contacts →

Indirect evidence

“Blaze Information Security is a CREST-accredited penetration testing and offensive security firm, trusted by 300+ organizations across 25+ countries.”

Source: RevenueBase Database · checked Sep 1, 2026
17Partial evidenceKoln, Germany51-20051 contacts →

Partial evidence

“Just stronger Cybersecurity - Beratung, Konzeption, Umsetzung und Aufrechterhaltung von Maßnahmen rund um die IT-Security gehört zu unseren Leistungen.”

Source: RevenueBase Database · checked Sep 1, 2026
18Indirect evidenceMunchen, Germany51-20049 contacts →

Indirect evidence

“ProSec GmbH verwandelt Unternehmen in digitale Festungen.”

Source: RevenueBase Database · checked Sep 1, 2026
19Partial evidenceGarching, Germany51-20046 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
20Partial evidenceBerlin, Germany201-50043 contacts →

Partial evidence

“Trusted Security Solutions (TSS) is a specialized company in providing security consulting services.”

Source: RevenueBase Database · checked Sep 1, 2026
21Indirect evidenceDusseldorf, Germany51-20038 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
22Indirect evidenceLangenfeld, Germany11-5037 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
23Indirect evidenceNeu-Isenburg, Germany51-20036 contacts →

Indirect evidence

“Wir sind die Com-Sys!”

Source: RevenueBase Database · checked Sep 1, 2026
24Partial evidenceAugsburg, Germany11-5031 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 1, 2026
25Indirect evidenceBonn, Germany11-5029 contacts →

Indirect evidence

“VZM ist ein unabhängiges Beratungs- und Ingenieurunternehmen für Sicherheitskonzepte, Resilienz und technische Infrastrukturen.”

Source: RevenueBase Database · checked Sep 1, 2026

Showing 25 of 481 cybersecurity consulting for defense based in Germany

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Cybersecurity consulting for defense based in Germany at a glance

As of Sep 1, 2026
31.6%Verified-email coverage
2.6%Mobile-number coverage
12.3Average contacts per company
1-10Median size (employees)
9.4%Largest-city concentration · Berlin
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
276
11-50
159
51-200
29
201-500
8
501-1,000
3
1,001-5,000
2

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 cybersecurity consulting for defense, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “cybersecurity consulting for defense”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity consulting for defense), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cybersecurity consulting for defense, 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 its RevenueBase Smart Search 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, 1,870 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 1, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity consulting for defense, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity consulting for defense are there based in Germany?

RevenueBase identified 481 cybersecurity consulting for defense 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?

MTI, headquartered in Munchen, tops this list with the largest team on record.

Which city has the most cybersecurity consulting for defense?

Berlin leads with 45 headquartered companies, followed by Munich (27) and Hamburg (17).

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 1,870 verified decision-maker contacts tracked across these 481 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 1, 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 Smart Search, 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.