Company lists · Data refreshed September 2026
Top 25 Enterprise IT services companies based in Cologne, Germany
RevenueBase identified 74 enterprise IT services companies headquartered in Cologne, Germany as of September 2026 and tracks 1,527 professional contacts across them, including 659 with verified work emails. Across Germany, Berlin is the largest hub for this category (199 companies); Cologne has 74.
This list covers enterprise IT services companies headquartered in Cologne, Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest enterprise IT services companies based in Cologne, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 357 contacts → | ||||
Indirect evidence “Qvest is a global leader in media-focused practices and services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 303 contacts → | ||||
Strong evidence “Die TIMETOACT GROUP ist ein führender IT-Dienstleister, der sich auf Cloud-Plattformen und digitale Lösungen für Enterprise Customers, Fortune und Kunden aus dem öffentlichen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 218 contacts → | ||||
Partial evidence “IT Direction for Digital Transformation Founded by Uwe Kramer in 1992, Kramer & Crew is the IT Director of Digital Transformation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 74 contacts → | ||||
Partial evidence “IT has been our playing field for over 30 years – and we've mastered it!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 31 contacts → | ||||
Indirect evidence “Seit Gründung 2002 haben wir uns auf die Erbringung von hochwertigen Dienstleistungen im gehobenen Mittelstand, bei Industrie- und Konzernkunden, sowie im öffentlichen Dienst…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 contacts → | ||||
Partial evidence “sepago is the IT consulting company for automated application provisioning, virtualization, cloud solutions and IT security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 contacts → | ||||
Indirect evidence “Digital denken.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 18 contacts → | ||||
Partial evidence “Durch unsere Beratung helfen wir unseren Kunden die Sicherheit und Effizienz ihrer IT nachhaltig zu steigern und ihre IT-Risiken zu kontrollieren.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Partial evidence “Wir sind IT-Dienstleister mit einem klaren Fokus auf innovative Lösungen, die Ihr Unternehmen in der digitalen Transformation unterstützen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Partial evidence “Als Full-Service-IT-Dienstleister aus Köln unterstützen wir aufstrebende und mittelständische Unternehmen ganzheitlich dabei, ihre Firmen-IT zum Wachstumsfaktor zu machen-ö ü Die…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 13 contacts → | ||||
Indirect evidence “Dembach Goo Informatik GmbH & Co.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Partial evidence “At AmaliTech Services we provide top tier IT and digital solutions for our multinational clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 contacts → | ||||
Partial evidence “Solvatis Consult – Business for IT Seit über 11 Jahren sind wir in unserem Geschäftsbereich Professional Services strategischer Partner großer und mittelständischer Unternehmen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “Implementierungsdienstleistungen” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Partial evidence “Wir bieten Ihnen von der Beratung und Konzeption über die Einrichtung und Administration bis hin zu Wartung und Support alle IT-Dienstleistungen unter einem Dach.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Founded in 2014, actcon GmbH currently employs 75 people in Cologne.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Partial evidence “Planung, Implementierung und Betrieb von IT-Lösungen für Unternehmen unterschiedlicher Größen und Branchen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Das Beste aus zwei Welten: Wir bringen Speed in Konzerne sowie Struktur und Prozesse in den Mittelstand.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Partial evidence “IT-Consulting IT-Netwerkbetreuung IT-Sicherheit” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Partial evidence “Schnelle & zuverlässige Netzwerke für Unternehmen IT-Beratung, Planung & Consulting Cloud, Hosted-Dienste, Office 365, Managed Services, etc Server, PC`s, Notebooks & Peripherie…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Partial evidence “360° IT services for companies Whether you need consulting or support in the implementation of a specific project - with netzorange you will always find the right IT service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Indirect evidence “Auf dem Weg in die Digitale Transformation brauchen Sie einen Partner, der Ihnen immer wieder frische und innovative Ideen liefert.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 6 contacts → | ||||
Partial evidence “Willkommen bei Suri Consulting – Ihrem zuverlässigen Partner für erstklassige IT-Beratung und -Dienstleistungen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 6 contacts → | ||||
Indirect evidence “INOVIO GmbH is an Information Technology and Services company located in Hellweg 248, Essen, North Rhine-Westphalia, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “Your SAP S/4HANA transformation is at risk because critical roles remain unfilled?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise IT services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names enterprise IT services companies.
- Partial evidence
- Its own public description names part of enterprise IT services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise IT services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 74 enterprise IT services companies based in Cologne, Germany
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Enterprise IT services companies based in Cologne, Germany at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole Germany list rather than for Cologne, so it is reported there. Company counts and contact totals on this page are exact for Cologne, over 74 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise IT services companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Cologne, Germany whose own description of what they do matches “enterprise IT services companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise IT services companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among enterprise IT services companies, and records with no verified work email. Companies headquartered outside Cologne are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 659 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Enterprise IT services companies by metro in Germany
- Enterprise IT services companies in Berlin199
- Enterprise IT services companies in Munich174
- Enterprise IT services companies in Hamburg153
- Enterprise IT services companies in Frankfurt74
- Enterprise IT services companies in Stuttgart64
- Enterprise IT services companies in Hanover40
- Enterprise IT services companies in Bremen32
- Enterprise IT services companies in Leipzig31
- Enterprise IT services companies in Mannheim31
- Enterprise IT services companies in Dresden28
- Enterprise IT services companies in Bonn27
- Enterprise IT services companies in Nuremberg27
- Enterprise IT services companies in Wiesbaden27
- Enterprise IT services companies in Karlsruhe26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise IT services companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many enterprise IT services companies are there based in Cologne, Germany?
RevenueBase identified 74 enterprise IT services companies headquartered in Cologne, Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Qvest Global, headquartered in Cologne, tops this list with the largest team on record.
Which city in Germany has the most enterprise IT services companies?
Berlin leads Germany with 199 headquartered companies, followed by Munich (174) and Hamburg (153). Cologne has 74.
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 659 verified decision-maker contacts tracked across these 74 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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