Company lists · Data refreshed September 2026
Top 25 IT infrastructure and security companies based in Germany
RevenueBase identified 2,316 company matches for IT infrastructure and security companies associated with Germany as of September 2026 and tracks 27,393 professional contacts across them, including 11,828 with verified work emails and 273 with mobile numbers. Berlin is the largest hub.
This list covers company matches for IT infrastructure and security companies 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 27, 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.
The 25 largest IT infrastructure and security companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,452 contacts → | ||||
Exact match “Imprint: SVA is one of the leading system integrators in Germany.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 623 contacts → | ||||
Exact match “secunet – We are the Guardians of Europe's Digital Freedom.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 574 contacts → | ||||
Exact match “Controlware is one of the leading independent system integrators and managed service providers in Germany.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 423 contacts → | ||||
Exact match “In today’s fast-moving business environment, companies often grow faster than their IT.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 363 contacts → | ||||
Exact match “Die Ratiodata ist seit über 50 Jahren ein mehrfach ausgezeichneter IT-Dienstleister und Managed Service Provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 363 contacts → | ||||
Exact match “Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 289 contacts → | ||||
Exact match “Who is OEDIV?” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 260 contacts → | ||||
Exact match “audius is a leading midsize company in the IT and software industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 222 contacts → | ||||
Exact match “DTS Systeme steht als erfolgreicher IT-Dienstleister seit über 40 Jahren deutschland- und europaweit für Innovation, Kompetenz sowie Leidenschaft.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 219 contacts → | ||||
Exact match “Who we are: We are IT and IT's for you.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 218 contacts → | ||||
Exact match “IT Direction for Digital Transformation Founded by Uwe Kramer in 1992, Kramer & Crew is the IT Director of Digital Transformation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 212 contacts → | ||||
Exact match “Als zuverlässiger Partner mit einer breiten Technik-Expertise in den Leistungsfeldern IT Solutions, Unified Communication & Collaboration Solutions und Security Technology…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 207 contacts → | ||||
Exact match “evoila is a leading, owner-managed IT service provider with 600+ professionals across the world.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 201 contacts → | ||||
Exact match “Die msg services gmbh ist ein innovatives und wachsendes IT-Service- und Consulting-Unternehmen mit aktuell über 300 Mitarbeitenden an 13 Standorten in Deutschland.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 191 contacts → | ||||
Exact match “avodaq AG is one of the leading German providers of modern IT infrastructure for multinational companies and service providers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 178 contacts → | ||||
Exact match “Das in Oberhaching bei München ansässige Unternehmen wurde im Jahr 2002 gegründet.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 177 contacts → | ||||
Exact match “Bei Insyte Deutschland arbeiten wir daran, unseren Kunden qualitativ hochwertige Dienstleistungen im Bereich der Installation, des Betriebs und der Wartung von Netzwerken und…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 173 contacts → | ||||
Exact match “Wir, die AU, gehören zu den führenden IT-Systemhäusern im hochsensiblen Umfeld der Datensicherheit und Hochverfügbarkeit.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 166 contacts → | ||||
Exact match “Bietet IT-Services von der Beratung, Beschaffung von Infrastrukturen, deren Bereitstellung und Betrieb bis hin zum klassischen Service on Demand sowie einem Outsourcing-Modell.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 156 contacts → | ||||
Exact match “IT IST ALLES.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 143 contacts → | ||||
Exact match “ITENOS, headquartered in Bonn, Germany, is an experienced specialist for secure IT and telecommunications solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 142 contacts → | ||||
Exact match “KOMPETENZ SCHAFFT SICHERHEIT AirITSystems steht für flughafensichere IT- und Sicherheitslösungen.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 139 contacts → | ||||
Exact match “Die dacoso GmbH ist ein spezialisierter Anbieter von herstellerunabhängigen Connectivity und Security Lösungen im Data Center und Carrier Segment.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 130 contacts → | ||||
Exact match “Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 129 contacts → | ||||
Exact match “Our job is to take responsibility, for IT solutions that can be implemented with a wide variety of platforms.” Recorded in the RevenueBase company graph · Sep 27, 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 “IT infrastructure and security companies”. 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 2,316 IT infrastructure and security companies based in Germany
See the full list, filter by size, metro and specialty, and access 11,828 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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IT infrastructure and security companies based in Germany at a glance
As of Sep 27, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 80.0dHow 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 “IT infrastructure and security companies” 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 11,828 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 27, 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.
IT infrastructure and security companies by metro
- IT infrastructure and security companies in Berlin133
- IT infrastructure and security companies in Munich98
- IT infrastructure and security companies in Hamburg83
- IT infrastructure and security companies in Frankfurt49
- IT infrastructure and security companies in Stuttgart28
- IT infrastructure and security companies in Dresden25
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 “IT infrastructure and security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT infrastructure and security companies are there based in Germany?
RevenueBase identified 2,316 company matches for IT infrastructure and security companies 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?
SVA System Vertrieb Alexander Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT infrastructure and security companies?
Berlin leads with 133 company records, followed by Munich (98) and Hamburg (83).
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 11,828 professional contacts with verified work emails tracked across these 2,316 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,316 IT infrastructure and security companies based in Germany. Start with a free account, no credit card.
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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.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- IT infrastructure and security companies based in the United States
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Company intelligence · public preview
Top 25 IT infrastructure and security companies based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,316 matching company records for IT infrastructure and security companies based in Germany, with 27,393 tracked contacts and 11,828 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT infrastructure and security companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Wiesbaden, GermanyReported employees: 1,001-5,000 | Wiesbaden, Germany | 1,001-5,000 | Exact match | 2,452 contacts → |
“Imprint: SVA is one of the leading system integrators in Germany.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Secunet Security Networks AGsecunet.comHQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Controlwarecontrolware.deHQ: Dietzenbach, GermanyReported employees: 1,001-5,000 | Dietzenbach, Germany | 1,001-5,000 | Exact match | 574 contacts → |
“Controlware is one of the leading independent system integrators and managed service providers in Germany.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Manage NOWmanage-now.deHQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 423 contacts → |
“In today’s fast-moving business environment, companies often grow faster than their IT.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ratiodataratiodata.deHQ: Münster, GermanyReported employees: 1,001-5,000 | Münster, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Die Ratiodata ist seit über 50 Jahren ein mehrfach ausgezeichneter IT-Dienstleister und Managed Service Provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  T Security - Dachsecurity.telekom.deHQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bielefeld, GermanyReported employees: 201-500 | Bielefeld, Germany | 201-500 | Exact match | 289 contacts → |
“Who is OEDIV?” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Audiusaudius.deHQ: Weinstadt, GermanyReported employees: 501-1,000 | Weinstadt, Germany | 501-1,000 | Exact match | 260 contacts → |
“audius is a leading midsize company in the IT and software industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DTS Systeme Gmbhdts.deHQ: Herford, GermanyReported employees: 201-500 | Herford, Germany | 201-500 | Exact match | 222 contacts → |
“DTS Systeme steht als erfolgreicher IT-Dienstleister seit über 40 Jahren deutschland- und europaweit für Innovation, Kompetenz sowie Leidenschaft.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sievers-Groupsievers-group.comHQ: Osnabrück, GermanyReported employees: 201-500 | Osnabrück, Germany | 201-500 | Exact match | 219 contacts → |
“Who we are: We are IT and IT's for you.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Kramer & Crew Gmbh & Co. KGkramerundcrew.deHQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 218 contacts → |
“IT Direction for Digital Transformation Founded by Uwe Kramer in 1992, Kramer & Crew is the IT Director of Digital Transformation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Hanover, GermanyReported employees: 1,001-5,000 | Hanover, Germany | 1,001-5,000 | Exact match | 212 contacts → |
“Als zuverlässiger Partner mit einer breiten Technik-Expertise in den Leistungsfeldern IT Solutions, Unified Communication & Collaboration Solutions und Security Technology…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Evoilaevoila.comHQ: Mainz, GermanyReported employees: 501-1,000 | Mainz, Germany | 501-1,000 | Exact match | 207 contacts → |
“evoila is a leading, owner-managed IT service provider with 600+ professionals across the world.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  MSG Services Gmbhmsg-services.deHQ: Ismaning, GermanyReported employees: 201-500 | Ismaning, Germany | 201-500 | Exact match | 201 contacts → |
“Die msg services gmbh ist ein innovatives und wachsendes IT-Service- und Consulting-Unternehmen mit aktuell über 300 Mitarbeitenden an 13 Standorten in Deutschland.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Avodaq AGavodaq.comHQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 191 contacts → |
“avodaq AG is one of the leading German providers of modern IT infrastructure for multinational companies and service providers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Is4it Gmbhis4it.de HQ: Oberhaching, GermanyReported employees: 201-500 | Oberhaching, Germany | 201-500 | Exact match | 178 contacts → |
“Das in Oberhaching bei München ansässige Unternehmen wurde im Jahr 2002 gegründet.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Insyte Deutschland Gmbhinsytedeutschland.deHQ: Ratingen, GermanyReported employees: 201-500 | Ratingen, Germany | 201-500 | Exact match | 177 contacts → |
“Bei Insyte Deutschland arbeiten wir daran, unseren Kunden qualitativ hochwertige Dienstleistungen im Bereich der Installation, des Betriebs und der Wartung von Netzwerken und…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Metzingen, GermanyReported employees: 201-500 | Metzingen, Germany | 201-500 | Exact match | 173 contacts → |
“Wir, die AU, gehören zu den führenden IT-Systemhäusern im hochsensiblen Umfeld der Datensicherheit und Hochverfügbarkeit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  BTC IT Services Gmbhbtc-ag.comHQ: Oldenburg, GermanyReported employees: 201-500 | Oldenburg, Germany | 201-500 | Exact match | 166 contacts → |
“Bietet IT-Services von der Beratung, Beschaffung von Infrastrukturen, deren Bereitstellung und Betrieb bis hin zum klassischen Service on Demand sowie einem Outsourcing-Modell.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  PCO Gmbh & Co. KGpco-online.deHQ: Osnabrück, GermanyReported employees: 201-500 | Osnabrück, Germany | 201-500 | Exact match | 156 contacts → |
“IT IST ALLES.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Itenos Gmbhitenos.deHQ: Bonn, GermanyReported employees: 201-500 | Bonn, Germany | 201-500 | Exact match | 143 contacts → |
“ITENOS, headquartered in Bonn, Germany, is an experienced specialist for secure IT and telecommunications solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Airitsystems Gmbhairitsystems.deHQ: Langenhagen, GermanyReported employees: 201-500 | Langenhagen, Germany | 201-500 | Exact match | 142 contacts → |
“KOMPETENZ SCHAFFT SICHERHEIT AirITSystems steht für flughafensichere IT- und Sicherheitslösungen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dacoso Gmbhdacoso.comHQ: Langen, GermanyReported employees: 201-500 | Langen, Germany | 201-500 | Exact match | 139 contacts → |
“Die dacoso GmbH ist ein spezialisierter Anbieter von herstellerunabhängigen Connectivity und Security Lösungen im Data Center und Carrier Segment.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  USD AGusd.deHQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Syseleven Gmbhsyseleven.deHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 129 contacts → |
“Our job is to take responsibility, for IT solutions that can be implemented with a wide variety of platforms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,316 company matches
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IT infrastructure and security companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
2,275 records in the displayed employee bands.
41 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 80.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT infrastructure and security companies by metro
- IT infrastructure and security companies in Berlin133
- IT infrastructure and security companies in Munich98
- IT infrastructure and security companies in Hamburg83
- IT infrastructure and security companies in Frankfurt49
- IT infrastructure and security companies in Stuttgart28
- IT infrastructure and security companies in Dresden25
Questions about this company list
What does Exact match mean for IT infrastructure and security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT infrastructure and security companies did RevenueBase find based in Germany?
The saved snapshot records 2,316 matching company records, 27,393 tracked contacts and 11,828 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT infrastructure and security companies by geography
- IT infrastructure and security companies based in the United States
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
- IT infrastructure and security companies based in Italy
- IT infrastructure and security companies based in Spain
- IT infrastructure and security companies based in the Netherlands
- IT infrastructure and security companies based in South Africa
- IT infrastructure and security companies based in Mexico
- IT infrastructure and security companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 IT infrastructure and security companies based in Germany. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT infrastructure and security companies based in the United States
- IT infrastructure and security companies based in Brazil
- IT infrastructure and security companies based in the United Kingdom
- IT infrastructure and security companies based in Canada
- IT infrastructure and security companies based in France
- IT infrastructure and security companies based in Australia
Company intelligence · public preview
Top 25 IT infrastructure and security companies based in Germany
RevenueBase records 2,316 matching company records for IT infrastructure and security companies based in Germany, with 27,393 tracked contacts and 11,828 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT infrastructure and security companies based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Wiesbaden, GermanyReported employees: 1,001-5,000 | Wiesbaden, Germany | 1,001-5,000 | Exact match | 2,452 contacts → |
“Imprint: SVA is one of the leading system integrators in Germany.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Secunet Security Networks AGsecunet.com HQ: Essen, GermanyReported employees: 1,001-5,000 | Essen, Germany | 1,001-5,000 | Exact match | 623 contacts → |
“secunet – We are the Guardians of Europe's Digital Freedom.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Controlwarecontrolware.de HQ: Dietzenbach, GermanyReported employees: 1,001-5,000 | Dietzenbach, Germany | 1,001-5,000 | Exact match | 574 contacts → |
“Controlware is one of the leading independent system integrators and managed service providers in Germany.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Manage NOWmanage-now.de HQ: Munich, GermanyReported employees: 1,001-5,000 | Munich, Germany | 1,001-5,000 | Exact match | 423 contacts → |
“In today’s fast-moving business environment, companies often grow faster than their IT.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ratiodataratiodata.de HQ: Münster, GermanyReported employees: 1,001-5,000 | Münster, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Die Ratiodata ist seit über 50 Jahren ein mehrfach ausgezeichneter IT-Dienstleister und Managed Service Provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | T Security - Dachsecurity.telekom.de HQ: Bonn, GermanyReported employees: 1,001-5,000 | Bonn, Germany | 1,001-5,000 | Exact match | 363 contacts → |
“Wir glauben an eine sichere digitale Zukunft mit minimalen Risiken und maximalen Chancen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Bielefeld, GermanyReported employees: 201-500 | Bielefeld, Germany | 201-500 | Exact match | 289 contacts → |
“Who is OEDIV?” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Audiusaudius.de HQ: Weinstadt, GermanyReported employees: 501-1,000 | Weinstadt, Germany | 501-1,000 | Exact match | 260 contacts → |
“audius is a leading midsize company in the IT and software industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DTS Systeme Gmbhdts.de HQ: Herford, GermanyReported employees: 201-500 | Herford, Germany | 201-500 | Exact match | 222 contacts → |
“DTS Systeme steht als erfolgreicher IT-Dienstleister seit über 40 Jahren deutschland- und europaweit für Innovation, Kompetenz sowie Leidenschaft.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sievers-Groupsievers-group.com HQ: Osnabrück, GermanyReported employees: 201-500 | Osnabrück, Germany | 201-500 | Exact match | 219 contacts → |
“Who we are: We are IT and IT's for you.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Kramer & Crew Gmbh & Co. KGkramerundcrew.de HQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 218 contacts → |
“IT Direction for Digital Transformation Founded by Uwe Kramer in 1992, Kramer & Crew is the IT Director of Digital Transformation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Hanover, GermanyReported employees: 1,001-5,000 | Hanover, Germany | 1,001-5,000 | Exact match | 212 contacts → |
“Als zuverlässiger Partner mit einer breiten Technik-Expertise in den Leistungsfeldern IT Solutions, Unified Communication & Collaboration Solutions und Security Technology…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Evoilaevoila.com HQ: Mainz, GermanyReported employees: 501-1,000 | Mainz, Germany | 501-1,000 | Exact match | 207 contacts → |
“evoila is a leading, owner-managed IT service provider with 600+ professionals across the world.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MSG Services Gmbhmsg-services.de HQ: Ismaning, GermanyReported employees: 201-500 | Ismaning, Germany | 201-500 | Exact match | 201 contacts → |
“Die msg services gmbh ist ein innovatives und wachsendes IT-Service- und Consulting-Unternehmen mit aktuell über 300 Mitarbeitenden an 13 Standorten in Deutschland.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Avodaq AGavodaq.com HQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 191 contacts → |
“avodaq AG is one of the leading German providers of modern IT infrastructure for multinational companies and service providers.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Is4it Gmbhis4it.de HQ: Oberhaching, GermanyReported employees: 201-500 | Oberhaching, Germany | 201-500 | Exact match | 178 contacts → |
“Das in Oberhaching bei München ansässige Unternehmen wurde im Jahr 2002 gegründet.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Insyte Deutschland Gmbhinsytedeutschland.de HQ: Ratingen, GermanyReported employees: 201-500 | Ratingen, Germany | 201-500 | Exact match | 177 contacts → |
“Bei Insyte Deutschland arbeiten wir daran, unseren Kunden qualitativ hochwertige Dienstleistungen im Bereich der Installation, des Betriebs und der Wartung von Netzwerken und…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Metzingen, GermanyReported employees: 201-500 | Metzingen, Germany | 201-500 | Exact match | 173 contacts → |
“Wir, die AU, gehören zu den führenden IT-Systemhäusern im hochsensiblen Umfeld der Datensicherheit und Hochverfügbarkeit.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | BTC IT Services Gmbhbtc-ag.com HQ: Oldenburg, GermanyReported employees: 201-500 | Oldenburg, Germany | 201-500 | Exact match | 166 contacts → |
“Bietet IT-Services von der Beratung, Beschaffung von Infrastrukturen, deren Bereitstellung und Betrieb bis hin zum klassischen Service on Demand sowie einem Outsourcing-Modell.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | PCO Gmbh & Co. KGpco-online.de HQ: Osnabrück, GermanyReported employees: 201-500 | Osnabrück, Germany | 201-500 | Exact match | 156 contacts → |
“IT IST ALLES.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Itenos Gmbhitenos.de HQ: Bonn, GermanyReported employees: 201-500 | Bonn, Germany | 201-500 | Exact match | 143 contacts → |
“ITENOS, headquartered in Bonn, Germany, is an experienced specialist for secure IT and telecommunications solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Airitsystems Gmbhairitsystems.de HQ: Langenhagen, GermanyReported employees: 201-500 | Langenhagen, Germany | 201-500 | Exact match | 142 contacts → |
“KOMPETENZ SCHAFFT SICHERHEIT AirITSystems steht für flughafensichere IT- und Sicherheitslösungen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dacoso Gmbhdacoso.com HQ: Langen, GermanyReported employees: 201-500 | Langen, Germany | 201-500 | Exact match | 139 contacts → |
“Die dacoso GmbH ist ein spezialisierter Anbieter von herstellerunabhängigen Connectivity und Security Lösungen im Data Center und Carrier Segment.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | USD AGusd.de HQ: Neu-isenburg, GermanyReported employees: 51-200 | Neu-isenburg, Germany | 51-200 | Exact match | 130 contacts → |
“Die usd AG schützt Unternehmen vor Hackern und Kriminellen.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Syseleven Gmbhsyseleven.de HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 129 contacts → |
“Our job is to take responsibility, for IT solutions that can be implemented with a wide variety of platforms.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,316 company matches
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IT infrastructure and security companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
2,275 records in the displayed employee bands.
41 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 80.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT infrastructure and security companies by metro
- IT infrastructure and security companies in Berlin133
- IT infrastructure and security companies in Munich98
- IT infrastructure and security companies in Hamburg83
- IT infrastructure and security companies in Frankfurt49
- IT infrastructure and security companies in Stuttgart28
- IT infrastructure and security companies in Dresden25
Questions about this company list
What does Exact match mean for IT infrastructure and security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT infrastructure and security companies did RevenueBase find based in Germany?
The saved snapshot records 2,316 matching company records, 27,393 tracked contacts and 11,828 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 IT infrastructure and security companies based in Germany. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-infrastructure-and-security-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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