Company lists · Data refreshed September 2026

Top 25 Infrastructure hardening contractors based in Germany

Name: Infrastructure hardening contractors based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 118 companies tracked

RevenueBase identified 118 company matches for infrastructure hardening contractors associated with Germany as of September 2026 and tracks 884 professional contacts across them, including 328 with verified work emails. Berlin is the largest hub.

This list covers company matches for infrastructure hardening contractors 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 17, 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 Sep 17, 2026 How this list was built

118Companies

884Contacts tracked

328Verified emails

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The 25 largest infrastructure hardening contractors based in Germany

Ranked by team size

Top 25 of 118 company matches for infrastructure hardening contractors based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SRC Security Research And Consulting Gmbh	Exact match	Bonn, GermanyHQ recorded Sep 17, 2026	51-200	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 17, 2026 · View company records in RevenueBase
2	BDO Cyber Security Gmbh	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	51-200	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 17, 2026 · View company records in RevenueBase
3	Admeritia Gmbh	Exact match	Langenfeld, GermanyHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
4	Ausecus Gmbh	Exact match	Augsburg, GermanyHQ recorded Sep 17, 2026	11-50	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 17, 2026 · View company records in RevenueBase
5	MGM Security Partners Gmbh	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Simplifying Your Security Journey Welcome to mgm security partners GmbH – your reliable partner for simple and effective IT security solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	VZM VON ZUR Mühlen Sche Gmbh	Exact match	Bonn, GermanyHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “VZM ist ein unabhängiges Beratungs- und Ingenieurunternehmen für Sicherheitskonzepte, Resilienz und technische Infrastrukturen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Enbw Cyber Security Gmbh	Exact match	Karlsruhe, GermanyHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Atarax Unternehmensgruppe	Exact match	Herzogenaurach, GermanyHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Die atarax Unternehmensgruppe ist ein flexibles Team mit dem Schwerpunkt strategische Unternehmenssicherheit.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	DS Data Systems Gmbh	Exact match	Braunschweiger, GermanyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Full-Hand Security – Integrating Governance, Cyber & Physical Protection Wir schützen Unternehmen, Organisationen und Behörden umfassend vor Cyberangriffen, Datenverlusten…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Protea Networks Gmbh	Exact match	Unterhaching, GermanyHQ recorded Sep 17, 2026	11-50	16 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 · Sep 17, 2026 · View company records in RevenueBase
11	Protectone	Exact match	Düsseldorf, GermanyHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “protectONE - akkreditiertes und autorisiertes Consulting- & Trainingsunternehmen für IT Security Lösungen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Maconia Gmbh	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “UNSERE VISION Komplexe Risiken, exzellente Beratung, klare Lösungen: MACONIA schützt Unternehmen und Institutionen!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Teal Technology Consulting Gmbh	Exact match	Düsseldorf, GermanyHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Über den "Anmelden"-Button gelangst du zu unserem neusten Webinar.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Agt-Advanced German Technology	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “AGT helps organizations create secure environments for safer operations and better service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Carmao Gmbh	Exact match	Limburg, GermanyHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “As an IT security consulting firm for exigent requirements, we conceive solutions guaranteeing our customers a permanent high added value in their Information Security and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Security Assist Gmbh	Exact match	Dortmund, GermanyHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Security Assist – Die Sicherheitsarchitekten® Security Assist ist ein Spezialist mit langjähriger Erfahrung und Wissen in der Sicherheitsberatung in unterschiedlichsten Branchen…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Concepture Gmbh	Exact match	GermanyHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Concepture ist ein unabhängiges Beratungsunternehmen für ganzheitliche Sicherheit.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Industrie-Bewachung Bruno Wachtmeister Gmbh & Co. KG	Exact match	Stuttgart, GermanyHQ recorded Sep 17, 2026	201-500	13 contacts →
	Exact match “Industrie-Bewachung Bruno Wachtmeister GmbH & Co.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Bitaggregat Gmbh	Exact match	Leipzig, GermanyHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Wir bei Bitaggregat sind Experten im Bereich Security Engineering & Testing und spezialisieren uns auf den Schutz kritischer Infrastrukturen und Ressourcen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Sequire Technology	Exact match	Saarbrücken, GermanyHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “Sicherheit können wir Wir sind sequire (für: security (engl: Sicherheit) und quire (lateinisch: können))!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Umbrella Unternehmensberatung Gmbh	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Digitale Sicherheit – Wir gestalten sichere Netze für Deutschland Als hochspezialisiertes Beratungsunternehmen begleiten wir Auftraggeber aus der öffentlichen Verwaltung und der…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Anmatho AG	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Die ANMATHO AG ist Ihr Spezialist für Beratungsleistungen in den Bereichen Informationssicherheit, Datenschutz und Technische Sicherheit.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Vimopro Gmbh	Exact match	Villingen-schwenningen, GermanyHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Ein Unternehmen, ein Ziel – Unsere Kunden in eine sichere IT-Zukunft zu begleiten.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	PSA Sicherheitsmanagement Gmbh	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	201-500	11 contacts →
	Exact match “PSA Sicherheitsmanagement GmbH steht seit 1991 für Sicherheitslösungen, die Verantwortung und Qualität vereinen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Protforce Gmbh	Exact match	Wiesbaden, GermanyHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Bei Protforce stehen Sicherheit und Zukunft im Einklang.” Recorded in the RevenueBase company graph · Sep 17, 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 “infrastructure hardening contractors”. 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 118 infrastructure hardening contractors based in Germany

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Infrastructure hardening contractors based in Germany at a glance

As of Sep 17, 2026

37.1%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

11.9%Largest-city concentration · Berlin

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 118 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 “infrastructure hardening contractors” 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 328 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 17, 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.

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 “infrastructure hardening contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure hardening contractors are there based in Germany?

RevenueBase identified 118 company matches for infrastructure hardening contractors 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?

SRC Security Research And Consulting Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure hardening contractors?

Berlin leads with 14 company records, followed by Munich (10) and Frankfurt (7).

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 328 professional contacts with verified work emails tracked across these 118 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 17, 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.