Company lists · Data refreshed September 2026
Top 25 IT services and consulting firms based in Hannover, Germany
RevenueBase identified 90 IT services and consulting firms headquartered in Hannover, Germany as of September 2026 and tracks 1,089 professional contacts across them, including 465 with verified work emails. Berlin is the largest hub.
This list covers IT services and consulting firms headquartered in Hannover, Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT services and consulting firms based in Hannover, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 212 contacts → | ||||
Partial evidence “Als zuverlässiger Partner mit einer breiten Technik-Expertise in den Leistungsfeldern IT Solutions, Unified Communication & Collaboration Solutions und Security Technology…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 96 contacts → | ||||
Partial evidence “The IT-P GmbH is an established IT service company with its headquarter in Hanover, Lower Saxony.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Indirect evidence “Do you finally want to create efficient and effective software projects?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Partial evidence “Die comNET GmbH ist ein inhabergeführtes IT-Systemhaus mit Hauptsitz in Hannover und Niederlassungen in Hamburg, Bremen, Braunschweig, Starnberg und Hilden.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 47 contacts → | ||||
Indirect evidence “Die frobese GmbH ist der erfahrene, zuverlässige Partner für Banken, Finanzdienstleister und Versicherungen im norddeutschen Raum.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 39 contacts → | ||||
Partial evidence “assino offers branch-orienting consulting and business software implementation services to the globally-operating companies seeking to introduce centralized transparent business…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 26 contacts → | ||||
Partial evidence “Professionelle IT in Hannover - Zertifizierte IT-Fachkräfte - Persönliche Ansprechpartner - IT All-In und Managed Services - Passgenaue Lösungen: Lokale IT-Umgebung oder virtuelle…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Partial evidence “Wir sind AIM – ein IT-Beratungsunternehmen aus Hannover.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Partial evidence “Wir lieben IT: Das Unternehmen FSS Seit mehr als 25 Jahren begleiten wir Unternehmen aus der Finanzbranche bei der digitalen Transformation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Indirect evidence “Empowering Organizations through Strategic Guidance & Execution.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 16 contacts → | ||||
Partial evidence “Wir von IT-Nunweiler sind ein junges, IT-begeistertes Unternehmen mit dem Ziel, Ihre digitalen Prozesse smarter, sicherer und effizienter zu gestalten.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Indirect evidence “As an expert in the field of digitalization and the development of innovative solutions, digital cuisine offers customized solutions from a single source.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Partial evidence “trinovis – Unterstützung von Entscheidungsträger·innen im Gesundheitswesen trinovis ist ein Beratungs- und IT-Dienstleistungsunternehmen, das auf das Gesundheitswesen…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “With a core team of over 30 engineers, consultants and project managers and over 20 years of experience in the leisure airline and tour operator business, quintessence is the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Partial evidence “pelo IT – We make people love IT Die pelo IT GmbH steht für nachhaltige Digitalisierung mit Herz und Verstand.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Die Bankberatung wurde 1988 gegründet.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 contacts → | ||||
Partial evidence “Wir sind ein hannoversches IT-Beratungshaus.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial evidence “Mit dem Slogan "Für Systemhaushelden" machen wir euch als IT-Systemhaus zum Helden eurer Kunden.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Partial evidence “Als LIEMAK IT GmbH erstellen und prüfen wir moderne, maßgeschneiderte IT-Konzepte und führen sie mit persönlichem Service bei unseren Kunden ein.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 9 contacts → | ||||
Indirect evidence “Die Elanity Network Partner GmbH wurde im Jahr in Hannover von ihren beiden Geschäftsführern Andreas Waltje und Peter Schröder mit dem Ziel gegründet, für Unternehmen jeder Größe…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Partial evidence “PAON GmbH is a Management Consulting company located in Bertastrasse 3, Hannover, Lower Saxony, Germany.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Indirect evidence “Als Team von erfahrenen Consultants unterstützen wir unsere Kunden in der Finanzdienstleistungsbranche mit unserem bankfachlichen und technischen Know-how im erfolgreichen…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Impressum: convanced ist ein ganzheitliches Beratungsunternehmen für Sparkassen, Banken und Versicherungen.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Partial evidence “ADEPRO GmbH is an IT service provider that offers its customers a comprehensive spectrum in the field of digital transformation: IT infrastructure, access & identity management…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT services and consulting firms. 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 services and consulting firms.
- Partial evidence
- Its own public description names part of IT services and consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT services and consulting firms. 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 90 IT services and consulting firms based in Hannover, Germany
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IT services and consulting firms based in Hannover, Germany at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole Germany list rather than for Hannover, so it is reported there. Company counts and contact totals on this page are exact for Hannover, over 90 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 services and consulting firms, 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 Hannover, Germany whose own description of what they do matches “IT services and consulting firms”. 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 services and consulting firms), 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 services and consulting firms, and records with no verified work email. Companies headquartered outside Hannover 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, 465 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
IT services and consulting firms by metro in Germany
- IT services and consulting firms in Berlin684
- IT services and consulting firms in Hamburg546
- IT services and consulting firms in Munchen402
- IT services and consulting firms in Dusseldorf269
- IT services and consulting firms in Munich248
- IT services and consulting firms in Koln219
- IT services and consulting firms in Stuttgart208
- IT services and consulting firms in Frankfurt Am Main150
- IT services and consulting firms in Frankfurt144
- IT services and consulting firms in Hannover90
- IT services and consulting firms in Bonn89
- IT services and consulting firms in Bremen88
- IT services and consulting firms in Cologne85
- IT services and consulting firms in Mannheim84
- IT services and consulting firms in Karlsruhe81
- IT services and consulting firms in Leipzig81
- IT services and consulting firms in Dresden80
- IT services and consulting firms in Wiesbaden80
- IT services and consulting firms in Dortmund77
- IT services and consulting firms in Munster74
- IT services and consulting firms in Essen73
- IT services and consulting firms in Nurnberg73
- IT services and consulting firms in Bielefeld68
- IT services and consulting firms in Braunschweig63
- IT services and consulting firms in Darmstadt58
- IT services and consulting firms in Augsburg55
- IT services and consulting firms in Eschborn54
- IT services and consulting firms in Mainz53
- IT services and consulting firms in Aachen47
- IT services and consulting firms in Saarbrucken47
- IT services and consulting firms in Heidelberg46
- IT services and consulting firms in Grunwald45
- IT services and consulting firms in Bochum37
- IT services and consulting firms in Wurzburg35
- IT services and consulting firms in Osnabruck34
- IT services and consulting firms in Regensburg32
- IT services and consulting firms in Wuppertal32
- IT services and consulting firms in Ulm31
- IT services and consulting firms in Krefeld30
- IT services and consulting firms in Monchengladbach30
- IT services and consulting firms in Kiel29
- IT services and consulting firms in Oldenburg29
- IT services and consulting firms in Ratingen29
- IT services and consulting firms in Boblingen28
- IT services and consulting firms in Duisburg28
- IT services and consulting firms in Kassel27
- IT services and consulting firms in Chemnitz26
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 services and consulting firms, 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 services and consulting firms are there based in Hannover, Germany?
RevenueBase identified 90 IT services and consulting firms headquartered in Hannover, 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?
Spie ICS Spie Information & Communication Services Gmbh, headquartered in Hannover, tops this list with the largest team on record.
Which city has the most IT services and consulting firms?
Berlin leads with 684 headquartered companies, followed by Hamburg (546) and Munchen (402).
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 465 verified decision-maker contacts tracked across these 90 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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