Company lists · Data refreshed September 2026
Top 25 Nonprofit cybersecurity consultants based in Germany
RevenueBase identified 438 nonprofit cybersecurity consultants headquartered in Germany as of September 2026 and tracks 3,768 professional contacts across them, including 1,287 with verified work emails. Berlin is the largest hub.
This list covers nonprofit cybersecurity 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 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.
The 25 largest nonprofit cybersecurity consultants based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 386 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 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 132 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 130 contacts → | ||||
Indirect evidence “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 111 contacts → | ||||
Indirect evidence “TÜV Informationstechnik GmbH (headquartered in Essen, Germany) is a renowned IT security service provider and an independent testing institute and laboratory for IT security and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 69 contacts → | ||||
Indirect evidence “ditis - The Security Company!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 69 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 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 67 contacts → | ||||
Indirect evidence “SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 55 contacts → | ||||
Strong evidence “Security Research Labs (SRLabs) is a cybersecurity consultancy and research collective committed to making the world more secure.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 52 contacts → | ||||
Partial evidence “Just stronger Cybersecurity - Bestmöglichen Schutz vor Cyberangriffen aufzubauen und auf hohem Niveau zu halten, ist Kernkompetenz der concentrade.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 49 contacts → | ||||
Indirect evidence “ProSec GmbH verwandelt Unternehmen in digitale Festungen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 46 contacts → | ||||
Indirect evidence “HvS-Consulting AG is consulting large and medium-sized companies on the topic of cyber security since 2002.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 40 contacts → | ||||
Indirect evidence “BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 38 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 37 contacts → | ||||
Indirect evidence “Ihr SOC-Partner im DACH-Mittelstand.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 33 contacts → | ||||
Indirect evidence “SAMA PARTNERS Business Solutions ist ein unabhängiges Beratungs- und Engineering-Unternehmen mit Hauptsitz in Mannheim, mit den Schwerpunkten Informationssicherheit, KI und…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 32 contacts → | ||||
Indirect evidence “CLOUDYRION is a start-up for IT security consulting from Düsseldorf.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 32 contacts → | ||||
Indirect evidence “ERNW ist ein unabhängiger IT-Security Dienstleister mit Sitz in Heidelberg.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 31 contacts → | ||||
Indirect evidence “ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 28 contacts → | ||||
Indirect evidence “Simplifying Your Security Journey Welcome to mgm security partners GmbH – your reliable partner for simple and effective IT security solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 contacts → | ||||
Indirect evidence “CODE WHITE is specialized in high-end red teaming, continuous attack surface management and threat intelligence since 2014.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Indirect evidence “The Institute for Internet Security - if(is) is an innovative, independent, scientific facility of the Westfälische Hochschule ("Westphalian University of Applied Sciences").” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 contacts → | ||||
Indirect evidence “Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 21 contacts → | ||||
Indirect evidence “More than 20 years of experience have teached us the importance of data protection and IT security in companies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 20 contacts → | ||||
Partial evidence “secori advisors is a management consultancy with a focus on security, risk, and compliance.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 contacts → | ||||
Indirect evidence “Least Authority is committed to building and supporting the development of usable technology solutions and ethical business practices to advance digital security and preserve…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit cybersecurity consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nonprofit cybersecurity consultants.
- Partial evidence
- Its own public description names part of nonprofit cybersecurity consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit cybersecurity consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 438 nonprofit cybersecurity consultants based in Germany
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Nonprofit cybersecurity consultants based in Germany at a glance
As of Sep 29, 2026Companies by employee count
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 438 companies.
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 nonprofit cybersecurity consultants, 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 “nonprofit cybersecurity consultants”. 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 nonprofit cybersecurity consultants), 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 nonprofit cybersecurity 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 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, 1,287 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 29, 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.
Nonprofit cybersecurity consultants by metro
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 nonprofit cybersecurity consultants, 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 nonprofit cybersecurity consultants are there based in Germany?
RevenueBase identified 438 nonprofit cybersecurity 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?
G Data Cyberdefense, headquartered in Bochum, tops this list with the largest team on record.
Which city has the most nonprofit cybersecurity consultants?
Berlin leads with 49 headquartered companies, followed by Munich (24) and Hamburg (16).
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 1,287 verified decision-maker contacts tracked across these 438 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 29, 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.
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