Company lists · Data refreshed September 2026
Top 25 IT outsourcing service providers based in Germany
RevenueBase identified 654 IT outsourcing service providers headquartered in Germany as of September 2026 and tracks 11,821 professional contacts across them, including 5,665 with verified work emails. Berlin is the largest hub.
This list covers IT outsourcing service providers headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 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 IT outsourcing service providers based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,332 contacts → | ||||
Indirect evidence “The future belongs to companies that effectively translate agentic AI into value creation.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 359 contacts → | ||||
Partial evidence “The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 297 contacts → | ||||
Partial evidence “Sulzer GmbH is an independent IT services company headquartered in Munich, Germany.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 287 contacts → | ||||
Strong evidence “Abgestimmt auf die Bedürfnisse mittelständischer Unternehmen bietet die noris network AG Managed IT-Services bis hin zum IT-Outsourcing in den Bereichen Internet Service Providing…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 184 contacts → | ||||
Partial evidence “Ihre IT in guten Händen Mit mehr als 50 Jahren Erfahrung und einem breiten Branchen-Know-how verstehen sich die Unternehmen der VRG-Gruppe als kompetente Partner für das tägliche…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 166 contacts → | ||||
Strong evidence “Bietet IT-Services von der Beratung, Beschaffung von Infrastrukturen, deren Bereitstellung und Betrieb bis hin zum klassischen Service on Demand sowie einem Outsourcing-Modell.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 157 contacts → | ||||
Partial evidence “Die COC AG ist ein innovativer IT-Dienstleister mit einem umfassenden Leistungsspektrum im Bereich der Informationstechnologie.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 136 contacts → | ||||
Indirect evidence “Die Adecco Business Solutions GmbH ist eine 100%ige Tochter der Adecco Personaldienstleistungen GmbH und seit über 30 Jahren in Deutschland Ihr Full Service Partner für komplexe…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 94 contacts → | ||||
Partial evidence “eQuadriga offers IT services directly to the customer (on-side) or from our Customer Service Center in Hanover (Germany).” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 90 contacts → | ||||
Partial evidence “Seit über 20 Jahren sind wir ein verlässlicher Partner für anspruchsvolle IT-Projekte.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 90 contacts → | ||||
Strong evidence “K&C (Krusche & Company) is a German-based IT Outsourcing partner for AI-driven software delivery and AI enablement.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 85 contacts → | ||||
Indirect evidence “comramo steht für digitale Lösungen, die Verwaltung einfacher, sicherer und zukunftsfähiger machen und für ein Arbeitsumfeld, in dem Menschen Verantwortung übernehmen, sich…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 83 contacts → | ||||
Partial evidence “The VALEO IT Services International GmbH is an established and experienced IT partner on hand to offer you worldwide IT Services in any industry.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 73 contacts → | ||||
Partial evidence “CosMicIT is a customer centric company that prides itself offering avant-garde business IT solutions across various service lines and functions including IT Infrastructure…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 68 contacts → | ||||
Partial evidence “VOQUZ is the IT service provider for the DACH region-with around 250 bright minds and plenty of drive.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 67 contacts → | ||||
Partial evidence “findic, ein Unternehmen der zeb Gruppe, versteht sich als eine IT-Unternehmensberatung, die Finanzdienstleister im IT-Bereich von der Konzeption über die Implementierung bis zur…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 61 contacts → | ||||
Indirect evidence “data experts gmbh is a computer software company based out of Woldegker Str.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 57 contacts → | ||||
Partial evidence “CGF CounselGroupFrankfurt AG ist ein mittelständisches IT-Dienstleistungsunternehmen (gegründet mit über 250 Mitarbeitenden.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 56 contacts → | ||||
Indirect evidence “Gegründet um anders zu sein.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 55 contacts → | ||||
Partial evidence “EXCON is the leading digitization and outsourcing service provider that competently supports clients in the finance, mobility and insurance industries with customised, digital…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 49 contacts → | ||||
Partial evidence “Seit über 30 Jahren bringen wir Menschen zusammen, um gemeinsam die IT-Probleme unserer Kunden zu lösen.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 47 contacts → | ||||
Partial evidence “Cronon AG is specialised in ERP solutions, database management, datacentre outsourcing and ISP.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 42 contacts → | ||||
Partial evidence “Unser Unternehmen ist nicht nur ein kompetenter Anbieter klassischer IT-Dienstleistungen, sondern bietet auch Dienstleistungen im Bereich Beratung, Programm- und Projektmanagement…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 41 contacts → | ||||
Partial evidence “Wir von microPLAN verstehen uns als kompetenter Lösungsanbieter in allen Fragen der IT.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 38 contacts → | ||||
Partial evidence “Die Frings Solutions Group bietet professionelle und maßgeschneiderte Business IT-Lösungen für jede Unternehmensgröße.” Source: RevenueBase Database · checked Sep 14, 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: IT outsourcing service providers. 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 IT outsourcing service providers.
- Partial evidence
- Its own public description names part of IT outsourcing service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT outsourcing service providers. 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 654 IT outsourcing service providers based in Germany
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IT outsourcing service providers based in Germany at a glance
As of Sep 14, 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 654 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 IT outsourcing service providers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “IT outsourcing service providers”. 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 IT outsourcing service providers), 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 IT outsourcing service providers, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 5,665 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 14, 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.
IT outsourcing service providers by metro
- IT outsourcing service providers in Berlin36
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 IT outsourcing service providers, 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 IT outsourcing service providers are there based in Germany?
RevenueBase identified 654 IT outsourcing service providers headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Adesso SE, headquartered in Dortmund, tops this list with the largest team on record.
Which city has the most IT outsourcing service providers?
Berlin leads with 36 headquartered companies, followed by Hamburg (23) and Munchen (23).
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 5,665 verified decision-maker contacts tracked across these 654 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 14, 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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