Company lists · Data refreshed September 2026
Top 25 Critical infrastructure software companies based in Germany
RevenueBase identified 63 critical infrastructure software companies headquartered in Germany as of September 2026 and tracks 1,382 professional contacts across them, including 723 with verified work emails. Berlin is the largest hub.
This list covers critical infrastructure software companies 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 27, 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 software companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 213 contacts → | ||||
Indirect evidence “Our heart has been beating for the energy industry for over fifty years now.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 167 contacts → | ||||
Indirect evidence “Die VIVAVIS AG, mit Hauptsitz in Ettlingen, Baden-Württemberg, ist ein führender Anbieter für die Digitalisierung kritischer Infrastrukturen, insbesondere im Energie- und…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 155 contacts → | ||||
Partial evidence “We provide software solutions since 2007 for the energy sector and beyond both as in-house installations or as cloud services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 146 contacts → | ||||
Partial evidence “F24 is Europe’s leading Software-as-a-Service (SaaS) provider for resilience.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 92 contacts → | ||||
Partial evidence “Founded in 2018 by MSA The Safety Company, Safety io provides its customers with software services that help them protect their colleagues in some of the most formidable…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 81 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 55 contacts → | ||||
Indirect evidence “Systema Datentechnik ist ein führender IT-Dienstleister mit Spezialisierung auf IT-Service Management (ITSM), IT-Security und Managed Services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 38 contacts → | ||||
Strong evidence “We are developing innovative software for infrastructure and water management for more than 25 years.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 35 contacts → | ||||
Strong evidence “AKG is one of the leading developers for infrastructure planning software.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 32 contacts → | ||||
Indirect evidence “Getreu unserer Mission „Menschen.Perspektiven.Lösungen“ leisten wir mit unseren Produkten und Services einen wichtigen Beitrag zur Vereinfachung der Arbeitsprozesse im Asset- und…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 contacts → | ||||
Strong evidence “Rhebo provides simple and effective cybersecurity solutions for Operational Technology and distributed industrial assets for the energy sector, critical infrastructure and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 25 contacts → | ||||
Indirect evidence “PHYSEC stands for pioneering solutions in secure digitalisation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 22 contacts → | ||||
Indirect evidence “Als starke Marke umfasst das MB connect line Portfolio die Bereiche Sichere Fernwartung, IIoT & Industrial Security.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 20 contacts → | ||||
Indirect evidence “We turn your INdustrial CYber DEfense on, respecting your special operating systems and requirements for efficient and effective security measures, including Railways, Automotive…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Indirect evidence “Die caplog-x GmbH mit Sitz in Leipzig und Essen ist der zuverlässige Partner für Konzeption, Aufbau und Betrieb sicherer IT-Lösungen und OT-Umgebungen im Bereich der Kritischen…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Partial evidence “Schwerpunkte der VOMATEC Innovations GmbH sind die Entwicklung und der Vertrieb integrierter Softwarelösungen für die zivile Sicherheit und zur Absicherung kritischer…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Partial evidence “Die infrest – Infrastruktur eStrasse GmbH entwickelt und betreibt innovative Softwarelösungen und Dienstleistungen zum Ziel der Beschleunigung der vorausschauenden…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Partial evidence “We are a family-owned company enabling the digital transformation of the water and infrastructure industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Strong evidence “AixpertSoft ist ein unabhängiges, inhabergeführtes Softwareunternehmen mit über 30 Jahren Erfahrung im Bereich IT Infrastructure Management.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 contacts → | ||||
Indirect evidence “Die Mauell GmbH ist seit mehr als 68 Jahren (gegründet 1957) ein international erfolgreicher Anbieter von Lösungen für kritische Infrastrukturen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Partial evidence “Bei fuentis AG treffen fortschrittliche Softwarelösungen auf erstklassige Beratung – für Ihre Informationssicherheit und reibungslose IT-Betriebsführung.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Strong evidence “Information Security for critical infrastructures” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Partial evidence “Die OTOKO GmbH revolutioniert die Art und Weise, wie Organisationen ihre IT-Sicherheits- und Softwareentwicklungsanforderungen angehen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Partial evidence “Webware internet solutions GmbH is a German software company that specialises on the development of software-as-a-service and cloud-based solutions in the energy, environment and…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Founded in 2021 our fast-growing team of CyberSecurity experts in different focus-areas directly related to Operational Technologies went on the mission to provide our customers…” Source: RevenueBase Database · checked Sep 27, 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 software companies. 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 software companies.
- Partial evidence
- Its own public description names part of critical infrastructure software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name critical infrastructure software companies. 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 63 critical infrastructure software companies based in Germany
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Critical infrastructure software companies based in Germany at a glance
As of Sep 27, 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 63 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 software companies, 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 software companies”. 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 software companies), 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 software companies, 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, 723 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 27, 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 software companies, 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 software companies are there based in Germany?
RevenueBase identified 63 critical infrastructure software companies 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?
Soptim AG, headquartered in Aachen, tops this list with the largest team on record.
Which city has the most critical infrastructure software companies?
Berlin leads with 4 headquartered companies, followed by Stuttgart (4) and Aachen (3).
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 723 verified decision-maker contacts tracked across these 63 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 27, 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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