Company lists · Data refreshed September 2026
Top 25 Data center construction firms based in Germany
RevenueBase identified 91 data center construction firms headquartered in Germany as of September 2026 and tracks 951 professional contacts across them, including 340 with verified work emails. Berlin is the largest hub.
This list covers data center construction firms 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 21, 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 data center construction firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 128 contacts → | ||||
Strong evidence “The Data Center Group combines the full competence for implementing high available, secure and cost-effective IT infrastructures under one roof.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 89 contacts → | ||||
Partial evidence “BenBau is a leading civil engineering and construction company serving the high-tech sector across Northern Europe.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 89 contacts → | ||||
Indirect evidence “TelemaxX betreibt vier Hochsicherheits-Rechenzentren in Karlsruhe und bietet maßgeschneiderte Lösungen in den Bereichen #Rechenzentrumsflächen,#Housing und Managed Services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 83 contacts → | ||||
Strong evidence “TTSP HWP is a consulting and planning firm that designs sustainable and smart data centres for local and international clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 35 contacts → | ||||
Strong evidence “Prior1 at a Glance: Prior1 GmbH is a leading company in the data center industry, specializing in the planning, construction, equipment, and operation of data centers and server…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 contacts → | ||||
Indirect evidence “Als technisches Beratungshaus für Datacenter und Cloud befasst sich etomer seit 2002 mit den besonderen Anforderungen von verteilten Infrastrukturen produktionskritischer und…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30 contacts → | ||||
Indirect evidence “Planen & Bauen is a leading architecture and engineering company with over 25 years of experience in the planning and realization of outstanding buildings.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Indirect evidence “We Build Your Digital Ecosystem In the rapidly evolving digital landscape, our mission is to build your digital ecosystem.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 22 contacts → | ||||
Indirect evidence “Die dc-ce RZ-Beratung GmbH & Co.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Indirect evidence “Solutions and experts you can trust.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Strong evidence “Geplan Ingenieure GmbH & CoKG is an established German engineering office for the planning of data centers and the technical infrastructure planning in buildings.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 12 contacts → | ||||
Indirect evidence “TeKaNet GmbH Telekommunikationsservice is a company based out of 25 Marienstraße, Aschaffenburg, Bavaria, Germany.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Indirect evidence “Die bit GmbH ist Spezialist für den Bau von hochverfügbaren und energieeffizienten Rechenzentren.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “dataR, ein zukunftsweisendes Rechenzentrum in Rellingen bei Hamburg, setzt neue Maßstäbe in Innovation und Effizienz.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Strong evidence “Die Data Center Intelligence ist ein Beratungs- und Engineeringdienstleister der sich ausnahmslos an den Bedürfnissen seiner Kunden und des Marktes orientiert.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Die IBH IT-Service GmbH bietet ein breites Expertenwissen im Bereich IT-Infrastrukturen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Indirect evidence “Ihr Montagepartner+ für technische Systeme.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Zukunftssichere IT-Infrastruktur: Nachhaltig, effizient und durchdacht.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Indirect evidence “IB-IT Datacenter GmbH Technical Service Provider for Datacenters - Structured Cabling - Rack & Stack - IBX Operations - Colocation Logistics - Colocation Management - 24/7 On-Site…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Strong evidence “ratiokontakt provides advanced and reliable Managed IT-Hosting, Data Center Services and Cloud solutions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence “Ihr Rechenzentrum steht im Mittelpunkt unseres Handelns – Konzeption, Planung und Bau aus einer Hand.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “Willkommen bei CONTENSI, Ihrem zuverlässigen Partner für den Betrieb und die Optimierung von Rechenzentren sowie fortschrittlichen Cloud-Services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Mit leistungsstarken Lösungen namhafter Partner sorgen wir dafür, dass Ihre IT-Infrastruktur im Rechenzentrum zuverlässig funktioniert.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Strong evidence “Your Value- Competent partner for consulting, planning, delivery and implementation of complete IT-solutions- Longtime experience of experts to Data Center with its multiple…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Strong evidence “TANOL Systems GmbH is an IT service provider for medium-sized to large enterprises in the data center area.” Source: RevenueBase Database · checked Sep 21, 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: data center construction 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 data center construction firms.
- Partial evidence
- Its own public description names part of data center construction firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name data center construction 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 91 data center construction firms based in Germany
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Data center construction firms based in Germany at a glance
As of Sep 21, 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 91 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 data center construction 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 Germany whose own description of what they do matches “data center construction 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 data center construction 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 data center construction firms, 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, 340 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 21, 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.
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 data center construction 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 data center construction firms are there based in Germany?
RevenueBase identified 91 data center construction firms 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?
Data Center Group, headquartered in Wallmenroth, tops this list with the largest team on record.
Which city has the most data center construction firms?
Berlin leads with 9 headquartered companies, followed by Frankfurt (6) and Frankfurt Am Main (5).
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 340 verified decision-maker contacts tracked across these 91 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 21, 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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