Company lists · Data refreshed September 2026
Top 25 Critical infrastructure protection services based in Germany
RevenueBase identified 165 critical infrastructure protection services headquartered in Germany as of September 2026 and tracks 1,725 professional contacts across them, including 557 with verified work emails. Berlin is the largest hub.
This list covers critical infrastructure protection services 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 19, 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 critical infrastructure protection services based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 370 contacts → | ||||
Indirect evidence “Täglich verlassen sich unsere Kunden auf unsere hochwertigen Dienstleistungen in den Bereichen Sicherheit, Prävention und Service.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 271 contacts → | ||||
Indirect evidence “Beginnend mit der Analyse von Risiken für die Werte Ihres Unternehmens bis zur aktiven Unterstützung im Krisenfall sorgt HiSolutions für den Schutz Ihrer Wertschöpfungskette.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 51 contacts → | ||||
Indirect evidence “proXcel is a specialized management consultancy focused on information security and digital resilience.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 40 contacts → | ||||
Indirect evidence “BDO Cyber Security GmbH is your competent partner in all in all cyber security matters.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 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 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 contacts → | ||||
Strong evidence “ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 29 contacts → | ||||
Indirect evidence “EHBS Knecht GmbH & Co.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 28 contacts → | ||||
Indirect evidence “VZM ist ein unabhängiges Beratungs- und Ingenieurunternehmen für Sicherheitskonzepte, Resilienz und technische Infrastrukturen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 contacts → | ||||
Indirect evidence “secori advisors is a management consultancy with a focus on security, risk, and compliance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Indirect evidence “Die atarax Unternehmensgruppe ist ein flexibles Team mit dem Schwerpunkt strategische Unternehmenssicherheit.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Indirect evidence “TTS is a security consulting company specialised on business continuity and crisis management, information security management systems (incl.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Partial evidence “Full-Hand Security – Integrating Governance, Cyber & Physical Protection Wir schützen Unternehmen, Organisationen und Behörden umfassend vor Cyberangriffen, Datenverlusten…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Partial evidence “Protection with Passion Seit über 20 Jahren entwickeln und implementieren wir Sicherheitsstrategien, die den Unternehmenserfolg unserer Kunden in den Mittelpunkt stellen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Indirect evidence “UNSERE VISION Komplexe Risiken, exzellente Beratung, klare Lösungen: MACONIA schützt Unternehmen und Institutionen!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Indirect evidence “protectONE - akkreditiertes und autorisiertes Consulting- & Trainingsunternehmen für IT Security Lösungen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Indirect evidence “AGT helps organizations create secure environments for safer operations and better service.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Corporate Trust, a corporate consultancy for security services, provides high-level security for companies, organizations and private individuals.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 contacts → | ||||
Indirect evidence “WE CARE – ZWEI WORTE, EIN VERSPRECHEN Im sensiblen Sicherheits- und Kommunikationsbereich geht es oft um große Werte und im Notfall wenige Minuten – Planer, Handwerker oder…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 13 contacts → | ||||
Indirect evidence “Result Group is one of the leading risk and crisis management consultancies.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 13 contacts → | ||||
Indirect evidence “Security Assist – Die Sicherheitsarchitekten® Security Assist ist ein Spezialist mit langjähriger Erfahrung und Wissen in der Sicherheitsberatung in unterschiedlichsten Branchen…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 13 contacts → | ||||
Indirect evidence “Concepture ist ein unabhängiges Beratungsunternehmen für ganzheitliche Sicherheit.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 12 contacts → | ||||
Indirect evidence “Wir sind ein deutschlandweit und international tätiges Ingenieur- und Planungsbüro das sich der Sicherheitstechnik verschrieben hat.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Indirect evidence “Wir bei Bitaggregat sind Experten im Bereich Security Engineering & Testing und spezialisieren uns auf den Schutz kritischer Infrastrukturen und Ressourcen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 11 contacts → | ||||
Indirect evidence “Digitale Sicherheit – Wir gestalten sichere Netze für Deutschland Als hochspezialisiertes Beratungsunternehmen begleiten wir Auftraggeber aus der öffentlichen Verwaltung und der…” Source: RevenueBase Database · checked Sep 19, 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: critical infrastructure protection services. 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 critical infrastructure protection services.
- Partial evidence
- Its own public description names part of critical infrastructure protection services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure protection services. 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 165 critical infrastructure protection services based in Germany
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Critical infrastructure protection services based in Germany at a glance
As of Sep 19, 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 165 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 critical infrastructure protection services, 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 “critical infrastructure protection services”. 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 critical infrastructure protection services), 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 critical infrastructure protection services, 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, 557 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 19, 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 critical infrastructure protection services, 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 critical infrastructure protection services are there based in Germany?
RevenueBase identified 165 critical infrastructure protection services 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?
Pond Security Service Gmbh, headquartered in Erlensee, tops this list with the largest team on record.
Which city has the most critical infrastructure protection services?
Berlin leads with 17 headquartered companies, followed by Frankfurt (7) and Hamburg (7).
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 557 verified decision-maker contacts tracked across these 165 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 19, 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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