Company lists · Data refreshed September 2026
Top 25 Operational technology security consultants based in Germany
RevenueBase identified 72 company matches for operational technology security consultants associated with Germany as of September 2026 and tracks 752 professional contacts across them, including 321 with verified work emails. Berlin is the largest hub.
This list covers company matches for operational technology security consultants 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 29, 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 operational technology security consultants based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 79 contacts → | ||||
Exact match “r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 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 29, 2026 · View company records in RevenueBase | |||||
| 3 | 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 29, 2026 · View company records in RevenueBase | |||||
| 4 | 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 29, 2026 · View company records in RevenueBase | |||||
| 5 | 27 contacts → | ||||
Exact match “Rhebo provides simple and effective cybersecurity solutions for Operational Technology and distributed industrial assets for the energy sector, critical infrastructure and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “Mehr Schutz vor Angriffen aus dem Cyberraum: Cyberkriminalität ist eine der größten Bedrohungen unserer Zeit.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “Die im Mai gegründete consistec Engineering & Consulting GmbH ist ein inhabergeführtes mittelständisches Unternehmen mit Sitz in Saarbrücken, Saarland.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 22 contacts → | ||||
Exact match “Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 20 contacts → | ||||
Exact match “We turn your INdustrial CYber DEfense on, respecting your special operating systems and requirements for efficient and effective security measures, including Railways, Automotive…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 20 contacts → | ||||
Exact match “We translate challenges of digitization into secure IT/OT solutions The digital transformation of industry is leading to an increasingly complex networking of machines, systems…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 16 contacts → | ||||
Exact match “BxC Security focuses on delivering end-to-end cyber security consulting across IT and Production environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 16 contacts → | ||||
Exact match “protectONE - akkreditiertes und autorisiertes Consulting- & Trainingsunternehmen für IT Security Lösungen.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “ARTADA GmbH is an information technology and services company based out of Hammer Str.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Die Basec GmbH unterstützt Unternehmen bei der Umsetzung ihrer IT-Souveränität, um so erfolgreich Cyberattacken zu verhindern und den Geschäftsablauf zu sichern.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 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 29, 2026 · View company records in RevenueBase | |||||
| 17 | 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 29, 2026 · View company records in RevenueBase | |||||
| 18 | 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 29, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “We are difesa, a Munich-based security company delivering industry-specific risk and regulatory intelligence to defend your IT, OT, and AI environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 10 contacts → | ||||
Exact match “Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match “Im Kern sind wir ein smart-empathisches Ingenieurbüro für anspruchsvolle Security-Projekte in der OT.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Yekta IT GmbH ist eine herstellerunabhängige IT- und OT-Sicherheitsberatung mit über 15 Jahren Erfahrung in der Cybersecurity.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “OT-Security für die Produktion: Mit unseren Managed Services schützen wir Ihre Anlagen vor Cyberangriffen und Ausfällen – denn Stillstand in der Produktion kostet ab der ersten…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 8 contacts → | ||||
Exact match “Willkommen bei EnBITCon - Ihrem zuverlässigen Partner für IT-Dienstleistungen!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “CyStrat Services GmbH was founded in 2022 with the clear vision of delivering first-class consulting services in the field of cybersecurity, built on a strong foundation of IT…” Recorded in the RevenueBase company graph · Sep 29, 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 “operational technology security consultants”. 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 72 operational technology security consultants based in Germany
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Operational technology security consultants based in Germany at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 72 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 “operational technology security consultants” 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 321 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 29, 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 “operational technology security consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many operational technology security consultants are there based in Germany?
RevenueBase identified 72 company matches for operational technology security consultants 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?
R-Tec IT Security Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most operational technology security consultants?
Berlin leads with 9 company records, followed by Dusseldorf (3) and Frankfurt (3).
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 321 professional contacts with verified work emails tracked across these 72 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 29, 2026.
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Operational technology security consultants by geography
- Operational technology security consultants based in London, United Kingdom
- Operational technology security consultants based in Australia
- Operational technology security consultants based in Brazil
- Operational technology security consultants based in Canada
- Operational technology security consultants based in France
- Operational technology security consultants based in India
- Operational technology security consultants based in the Netherlands
- Operational technology security consultants based in Spain
- Operational technology security consultants based in the United Kingdom
- Operational technology security consultants based in the United States
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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- New lists
- Operational technology security consultants based in London, United Kingdom
- Operational technology security consultants based in Australia
- Operational technology security consultants based in Brazil
- Operational technology security consultants based in Canada
- Operational technology security consultants based in France
- Operational technology security consultants based in India
Company intelligence · public preview
Top 25 operational technology security consultants 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 72 matching company records for operational technology security consultants based in Germany, with 752 tracked contacts and 321 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 29, 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 operational technology security consultants 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 |  R-Tec IT Security Gmbhr-tec.netHQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 79 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SRC Security Research And Consulting Gmbhsrc-gmbh.deHQ: Bonn, GermanyReported employees: 51-200 | Bonn, Germany | 51-200 | Exact match | 67 contacts → |
“SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Admeritia Gmbhadmeritia.deHQ: Langenfeld, GermanyReported employees: 11-50 | Langenfeld, Germany | 11-50 | Exact match | 37 contacts → |
“As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ausecus Gmbhausecus.comHQ: Augsburg, GermanyReported employees: 11-50 | Augsburg, Germany | 11-50 | Exact match | 31 contacts → |
“ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Rhebo OT & Iiot Securityrhebo.comHQ: Leipzig, GermanyReported employees: 11-50 | Leipzig, Germany | 11-50 | Exact match | 27 contacts → |
“Rhebo provides simple and effective cybersecurity solutions for Operational Technology and distributed industrial assets for the energy sector, critical infrastructure and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Allgeier Cyris Gmbhallgeier-cyris.deHQ: Bremen, GermanyReported employees: 51-200 | Bremen, Germany | 51-200 | Exact match | 26 contacts → |
“Mehr Schutz vor Angriffen aus dem Cyberraum: Cyberkriminalität ist eine der größten Bedrohungen unserer Zeit.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Consistec Engineering & Consulting Gmbhconsistec.deHQ: Saarbruecken, GermanyReported employees: 51-200 | Saarbruecken, Germany | 51-200 | Exact match | 23 contacts → |
“Die im Mai gegründete consistec Engineering & Consulting GmbH ist ein inhabergeführtes mittelständisches Unternehmen mit Sitz in Saarbrücken, Saarland.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enbw Cyber Security Gmbhenbw.comHQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 22 contacts → |
“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Incydeincyde.comHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“We turn your INdustrial CYber DEfense on, respecting your special operating systems and requirements for efficient and effective security measures, including Railways, Automotive…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  I2solutions Gmbhi2solutions.deHQ: Stolberg, GermanyReported employees: 51-200 | Stolberg, Germany | 51-200 | Exact match | 20 contacts → |
“We translate challenges of digitization into secure IT/OT solutions The digital transformation of industry is leading to an increasingly complex networking of machines, systems…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  GAI Netconsult Gmbhgai-netconsult.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 17 contacts → |
“Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BXC Securitybxc-security.comHQ: Hallbergmoos, GermanyReported employees: 11-50 | Hallbergmoos, Germany | 11-50 | Exact match | 16 contacts → |
“BxC Security focuses on delivering end-to-end cyber security consulting across IT and Production environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Protectoneprotectone.netHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 16 contacts → |
“protectONE - akkreditiertes und autorisiertes Consulting- & Trainingsunternehmen für IT Security Lösungen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Artada Gmbhartada.deHQ: Werl, GermanyReported employees: 11-50 | Werl, Germany | 11-50 | Exact match | 14 contacts → |
“ARTADA GmbH is an information technology and services company based out of Hammer Str.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Basec Gmbh - Secure ITbasec.deHQ: Deidesheim, GermanyReported employees: 11-50 | Deidesheim, Germany | 11-50 | Exact match | 13 contacts → |
“Die Basec GmbH unterstützt Unternehmen bei der Umsetzung ihrer IT-Souveränität, um so erfolgreich Cyberattacken zu verhindern und den Geschäftsablauf zu sichern.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Security Assist Gmbhsecurity-assist.deHQ: Dortmund, GermanyReported employees: 11-50 | Dortmund, Germany | 11-50 | Exact match | 13 contacts → |
“Security Assist – Die Sicherheitsarchitekten® Security Assist ist ein Spezialist mit langjähriger Erfahrung und Wissen in der Sicherheitsberatung in unterschiedlichsten Branchen…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sequire Technologysequire.deHQ: Saarbrücken, GermanyReported employees: 1-10 | Saarbrücken, Germany | 1-10 | Exact match | 11 contacts → |
“Sicherheit können wir Wir sind sequire (für: security (engl: Sicherheit) und quire (lateinisch: können))!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Umbrella Unternehmensberatung Gmbhumbrellaconsulting.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 11 contacts → |
“Digitale Sicherheit – Wir gestalten sichere Netze für Deutschland Als hochspezialisiertes Beratungsunternehmen begleiten wir Auftraggeber aus der öffentlichen Verwaltung und der…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Difesadifesa.deHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 11 contacts → |
“We are difesa, a Munich-based security company delivering industry-specific risk and regulatory intelligence to defend your IT, OT, and AI environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Portformance Gmbhportformance.deHQ: Neumarkt In Der Oberpfalz, GermanyReported employees: 11-50 | Neumarkt In Der Oberpfalz, Germany | 11-50 | Exact match | 10 contacts → |
“Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SI Sichere Industrie Gmbhsichere-industrie.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“Im Kern sind wir ein smart-empathisches Ingenieurbüro für anspruchsvolle Security-Projekte in der OT.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Yekta IT Gmbhyekta-it.deHQ: Dortmund, GermanyReported employees: 11-50 | Dortmund, Germany | 11-50 | Exact match | 10 contacts → |
“Yekta IT GmbH ist eine herstellerunabhängige IT- und OT-Sicherheitsberatung mit über 15 Jahren Erfahrung in der Cybersecurity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Acurity Gmbhacurity.deHQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 8 contacts → |
“OT-Security für die Produktion: Mit unseren Managed Services schützen wir Ihre Anlagen vor Cyberangriffen und Ausfällen – denn Stillstand in der Produktion kostet ab der ersten…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Enbitcon Gmbhenbitcon.deHQ: Bonn, GermanyReported employees: 1-10 | Bonn, Germany | 1-10 | Exact match | 8 contacts → |
“Willkommen bei EnBITCon - Ihrem zuverlässigen Partner für IT-Dienstleistungen!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cystrat Services Gmbhcystrat-services.comHQ: Maintal, GermanyReported employees: 11-50 | Maintal, Germany | 11-50 | Exact match | 7 contacts → |
“CyStrat Services GmbH was founded in 2022 with the clear vision of delivering first-class consulting services in the field of cybersecurity, built on a strong foundation of IT…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 72 company matches
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Operational technology security consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 72 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 29, 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 ↗
Questions about this company list
What does Exact match mean for operational technology security consultants?
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 operational technology security consultants did RevenueBase find based in Germany?
The saved snapshot records 72 matching company records, 752 tracked contacts and 321 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 29, 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
Operational technology security consultants by geography
- Operational technology security consultants based in London, United Kingdom
- Operational technology security consultants based in Australia
- Operational technology security consultants based in Brazil
- Operational technology security consultants based in Canada
- Operational technology security consultants based in France
- Operational technology security consultants based in India
- Operational technology security consultants based in the Netherlands
- Operational technology security consultants based in Spain
- Operational technology security consultants based in the United Kingdom
- Operational technology security consultants based in the United States
Cite this list
RevenueBase Data Team. Top 25 operational technology security consultants based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/operational-technology-security-consultants/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
- Operational technology security consultants based in London, United Kingdom
- Operational technology security consultants based in Australia
- Operational technology security consultants based in Brazil
- Operational technology security consultants based in Canada
- Operational technology security consultants based in France
- Operational technology security consultants based in India
Company intelligence · public preview
Top 25 operational technology security consultants based in Germany
RevenueBase records 72 matching company records for operational technology security consultants based in Germany, with 752 tracked contacts and 321 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 29, 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 operational technology security consultants 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 | R-Tec IT Security Gmbhr-tec.net HQ: Wuppertal, GermanyReported employees: 51-200 | Wuppertal, Germany | 51-200 | Exact match | 79 contacts → |
“r-tec IT Security ist seit über 25 Jahren auf IT-Sicherheit spezialisiert.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SRC Security Research And Consulting Gmbhsrc-gmbh.de HQ: Bonn, GermanyReported employees: 51-200 | Bonn, Germany | 51-200 | Exact match | 67 contacts → |
“SRC Security Research & Consulting is committed to providing service in the areas of information technology and information security.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Admeritia Gmbhadmeritia.de HQ: Langenfeld, GermanyReported employees: 11-50 | Langenfeld, Germany | 11-50 | Exact match | 37 contacts → |
“As an owner-managed company, admeritia GmbH turned to industrial IT security shortly after its foundation in 2004.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ausecus Gmbhausecus.com HQ: Augsburg, GermanyReported employees: 11-50 | Augsburg, Germany | 11-50 | Exact match | 31 contacts → |
“ausecus GmbH delivers IT-Security Consulting and Managed Services for critical infrastructure organisations (KRITIS).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Rhebo OT & Iiot Securityrhebo.com HQ: Leipzig, GermanyReported employees: 11-50 | Leipzig, Germany | 11-50 | Exact match | 27 contacts → |
“Rhebo provides simple and effective cybersecurity solutions for Operational Technology and distributed industrial assets for the energy sector, critical infrastructure and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Allgeier Cyris Gmbhallgeier-cyris.de HQ: Bremen, GermanyReported employees: 51-200 | Bremen, Germany | 51-200 | Exact match | 26 contacts → |
“Mehr Schutz vor Angriffen aus dem Cyberraum: Cyberkriminalität ist eine der größten Bedrohungen unserer Zeit.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Consistec Engineering & Consulting Gmbhconsistec.de HQ: Saarbruecken, GermanyReported employees: 51-200 | Saarbruecken, Germany | 51-200 | Exact match | 23 contacts → |
“Die im Mai gegründete consistec Engineering & Consulting GmbH ist ein inhabergeführtes mittelständisches Unternehmen mit Sitz in Saarbrücken, Saarland.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enbw Cyber Security Gmbhenbw.com HQ: Karlsruhe, GermanyReported employees: 11-50 | Karlsruhe, Germany | 11-50 | Exact match | 22 contacts → |
“Digitale Bedrohungen wachsen – und damit unsere Verantwortung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Incydeincyde.com HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“We turn your INdustrial CYber DEfense on, respecting your special operating systems and requirements for efficient and effective security measures, including Railways, Automotive…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | I2solutions Gmbhi2solutions.de HQ: Stolberg, GermanyReported employees: 51-200 | Stolberg, Germany | 51-200 | Exact match | 20 contacts → |
“We translate challenges of digitization into secure IT/OT solutions The digital transformation of industry is leading to an increasingly complex networking of machines, systems…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | GAI Netconsult Gmbhgai-netconsult.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 17 contacts → |
“Die GAI NetConsult GmbH ist ein in Deutschland und dem benachbarten Ausland tätiges, unabhängiges Beratungsunternehmen für IT- und OT-Security mit Hauptsitz in Berlin.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BXC Securitybxc-security.com HQ: Hallbergmoos, GermanyReported employees: 11-50 | Hallbergmoos, Germany | 11-50 | Exact match | 16 contacts → |
“BxC Security focuses on delivering end-to-end cyber security consulting across IT and Production environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Protectoneprotectone.net HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 16 contacts → |
“protectONE - akkreditiertes und autorisiertes Consulting- & Trainingsunternehmen für IT Security Lösungen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Artada Gmbhartada.de HQ: Werl, GermanyReported employees: 11-50 | Werl, Germany | 11-50 | Exact match | 14 contacts → |
“ARTADA GmbH is an information technology and services company based out of Hammer Str.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Basec Gmbh - Secure ITbasec.de HQ: Deidesheim, GermanyReported employees: 11-50 | Deidesheim, Germany | 11-50 | Exact match | 13 contacts → |
“Die Basec GmbH unterstützt Unternehmen bei der Umsetzung ihrer IT-Souveränität, um so erfolgreich Cyberattacken zu verhindern und den Geschäftsablauf zu sichern.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Security Assist Gmbhsecurity-assist.de HQ: Dortmund, GermanyReported employees: 11-50 | Dortmund, Germany | 11-50 | Exact match | 13 contacts → |
“Security Assist – Die Sicherheitsarchitekten® Security Assist ist ein Spezialist mit langjähriger Erfahrung und Wissen in der Sicherheitsberatung in unterschiedlichsten Branchen…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sequire Technologysequire.de HQ: Saarbrücken, GermanyReported employees: 1-10 | Saarbrücken, Germany | 1-10 | Exact match | 11 contacts → |
“Sicherheit können wir Wir sind sequire (für: security (engl: Sicherheit) und quire (lateinisch: können))!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Umbrella Unternehmensberatung Gmbhumbrellaconsulting.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 11 contacts → |
“Digitale Sicherheit – Wir gestalten sichere Netze für Deutschland Als hochspezialisiertes Beratungsunternehmen begleiten wir Auftraggeber aus der öffentlichen Verwaltung und der…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Difesadifesa.de HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 11 contacts → |
“We are difesa, a Munich-based security company delivering industry-specific risk and regulatory intelligence to defend your IT, OT, and AI environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Portformance Gmbhportformance.de HQ: Neumarkt In Der Oberpfalz, GermanyReported employees: 11-50 | Neumarkt In Der Oberpfalz, Germany | 11-50 | Exact match | 10 contacts → |
“Our work is built on two pillars: expert consulting and the operation of proven security solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SI Sichere Industrie Gmbhsichere-industrie.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“Im Kern sind wir ein smart-empathisches Ingenieurbüro für anspruchsvolle Security-Projekte in der OT.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Yekta IT Gmbhyekta-it.de HQ: Dortmund, GermanyReported employees: 11-50 | Dortmund, Germany | 11-50 | Exact match | 10 contacts → |
“Yekta IT GmbH ist eine herstellerunabhängige IT- und OT-Sicherheitsberatung mit über 15 Jahren Erfahrung in der Cybersecurity.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Acurity Gmbhacurity.de HQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 8 contacts → |
“OT-Security für die Produktion: Mit unseren Managed Services schützen wir Ihre Anlagen vor Cyberangriffen und Ausfällen – denn Stillstand in der Produktion kostet ab der ersten…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Enbitcon Gmbhenbitcon.de HQ: Bonn, GermanyReported employees: 1-10 | Bonn, Germany | 1-10 | Exact match | 8 contacts → |
“Willkommen bei EnBITCon - Ihrem zuverlässigen Partner für IT-Dienstleistungen!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cystrat Services Gmbhcystrat-services.com HQ: Maintal, GermanyReported employees: 11-50 | Maintal, Germany | 11-50 | Exact match | 7 contacts → |
“CyStrat Services GmbH was founded in 2022 with the clear vision of delivering first-class consulting services in the field of cybersecurity, built on a strong foundation of IT…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Operational technology security consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
72 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 72 companies.
How 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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 29, 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 ↗
Questions about this company list
What does Exact match mean for operational technology security consultants?
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 operational technology security consultants did RevenueBase find based in Germany?
The saved snapshot records 72 matching company records, 752 tracked contacts and 321 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 29, 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 operational technology security consultants based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/operational-technology-security-consultants/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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